Re: BUG: unable to handle kernel paging request at 00007ffd7ce07800

"Douglas Renton" <[email protected]> Wed, 23 Nov 2016 11:38:48 -0500
Newsgroups gmane.linux.real-time.rtai
Message-ID <[email protected]> 
I'm re-sending the last message, with the attachments as test. hopefully
they show up better.


On Wed, November 23, 2016 11:25 am, Douglas Renton wrote:
> Hi Paolo,
>
>
> OK, That did something for the overruns, and Lat max! Will try now with
> 8 cores.
> But there is still some kernel error. It is not too clear what the issue
> is. Also calibrate segfaults.
>
>
> I've attached the details, please let me know if you have any ideas.
> Thanks
> Doug
>
>
>
> On Wed, November 23, 2016 9:46 am, Paolo Mantegazza wrote:
>
>> On 11/23/2016 08:39 PM, Doug Renton wrote:
>>
>>
>>> Thanks, I will try that,
>>> Just to be sure, CPU's refer to cores, not actual CPU's This is ONE
>>> physical CPU with 12 cores. I am 99% sure I am correct on this, as I
>>> have tried this on a two CPU Xeon system with 16 cores total.
>>
>> Yes, I used CPUs as a synonym for (true, not hyperthreaded) cores.
>> Paolo
>>
>>
>>
>>> Thanks,
>>> Doug
>>>
>>>
>>>
>>> On 11/23/2016 9:20 AM, Paolo Mantegazza wrote:
>>>
>>>
>>>> I've seen the same problem in a few instances, where it was due to
>>>> the need of warming up large caches. In your case there are a few
>>>> things I find strange (unclear to me at least): - I do not see why
>>>> there should be any overrun for an ovl max of 26094 nanos, within a
>>>> period of 100000 nanos; - a likely unharmful page fault - (not so
>>>> strange) it is possible that RTAI cannot see more than 8 CPUs
>>>> correctly; you should try and see what happens with a number of cpus
>>>>  <
>>>> 11,  e.g. up to 8 in step of 2.
>>>> Paolo
>>>>
>>>>
>>>>
>>>> On 11/23/2016 08:09 PM, Doug Renton wrote:
>>>>
>>>>
>>>>> I should add I'm running rtai-5.0-test1.tar.bz2
>>>>> Have there been changes not yet included in this? Should I try the
>>>>>  CVS
>>>>> version?
>>>>>
>>>>> On 11/23/2016 1:38 PM, Doug Renton wrote:
>>>>>
>>>>>
>>>>>> Hi All,
>>>>>> I'm trying to setup my nre computer from "Question about
>>>>>> CPU/Motherboard"
>>>>>> Running the latency test has some startup overruns, but seems ok
>>>>>>  after that. I've run it for hours, and it is OK.  dmesg shows
>>>>>> a number of errors. I've tried lots of various compile options,
>>>>>> and this error stays. Also the calibrate test absolutely fails.
>>>>>> The
>>>>>> second dmesg is from that. Any ideas? Thanks,
>>>>>> Doug
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> *
>>>>>> *
>>>>>> * Type ^C to stop this application.
>>>>>> *
>>>>>> *
>>>>>> RTAI Testsuite - KERNEL space latency test (output data in
>>>>>> nanoseconds)
>>>>>>
>>>>>> *** latency verification tool with RTAI own real time kernel
>>>>>> tasks *** ***    period = 100000 (ns),  avrgtime = 1 (s)    ***
>>>>>>
>>>>>>
>>>>>> RTH|    lat min|    ovl min|    lat avg|    lat max|    ovl
>>>>>> max| overruns RTD|        510|        510|       1205|
>>>>>> 15184|
>>>>>> 15184|       2576
>>>>>> RTD|        205|        205|       1213|      22673| 22673|
>>>>>> 2576
>>>>>> RTD|        258|        205|       1198|      20373| 22673|
>>>>>> 2576
>>>>>> RTD|        510|        205|       1196|      14014| 22673|
>>>>>> 2576
>>>>>> RTD|        255|        205|       1197|      15051| 22673|
>>>>>> 2576
>>>>>> RTD|        306|        205|       1195|       8734| 22673|
>>>>>> 2576
>>>>>> RTD|        510|        205|       1201|      14104| 22673|
>>>>>> 2576
>>>>>> RTD|        512|        205|       1209|      21560| 22673|
>>>>>> 2576
>>>>>> RTD|        362|        205|       1195|      23104| 23104|
>>>>>> 2576
>>>>>> RTD|        357|        205|       1201|      15228| 23104|
>>>>>> 2576
>>>>>> RTD|        221|        205|       1204|      26094| 26094|
>>>>>> 2576
>>>>>> ^CRTD|        221|        205|       1204|      26094| 26094|
>>>>>> 2576
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> linux-36hs:/usr/realtime # dmesg -C
>>>>>> linux-36hs:/usr/realtime # dmesg
>>>>>> [  842.342715] I-pipe: head domain RTAI registered.
>>>>>> [  842.342719] RTAI[hal]: mounted. ISOL_CPUS_MASK: 0.
>>>>>> [  842.342720] SYSINFO - # CPUs: 12, TIMER NAME: 'lapic', TIMER
>>>>>> IRQ:
>>>>>> 4353, TIMER FREQ: 6246289, CLOCK NAME: 'tsc', CLOCK FREQ:
>>>>>> 3398323000,
>>>>>> CPU FREQ: 3398323000, LINUX TIMER IRQ: 4353.
>>>>>> [  842.353665] RTAI[malloc]: global heap size = 4194304 bytes,
>>>>>> <BSD>.
>>>>>> [  842.365013] , kstacks pool size = 524288 bytes.
>>>>>> [  842.365016] RTAI[sched]: hard timer type/freq =
>>>>>> lapic/6246289(Hz); timing: oneshot; linear timed lists. [
>>>>>> 842.365018] RTAI[sched]: Linux timer freq = 1000 (Hz), TimeBase
>>>>>>  freq = 3398323000 hz. [  842.365019] RTAI[sched]: timer setup =
>>>>>> 160 ns, resched latency
>>>>>> = 0
>>>>>> ns. [  842.365476] BUG: unable to handle kernel paging request
>>>>>> at 00007ffd7ce07800
>>>>>> [  842.365986] IP: [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [  842.367090] PGD
>>>>>> 7c85d0067 PUD 7e9a7d067 PMD 7e6c4a067 PTE
>>>>>> 80000007e3613867
>>>>>> [  842.368221] Oops: 0001 [#4] PREEMPT SMP
>>>>>> [  842.369361] Modules linked in: rtai_sched(O+) rtai_malloc(PO)
>>>>>>  rtai_hal(O) fuse af_packet snd_hda_codec_hdmi
>>>>>> snd_hda_codec_realtek snd_hda_codec_generic xfs libcrc32c
>>>>>> x86_pkg_temp_thermal coretemp kvm iTCO_wdt iTCO_vendor_support
>>>>>> mxm_wmi snd_hda_intel snd_hda_controller snd_hda_codec
>>>>>> snd_hwdep crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
>>>>>> snd_pcm aesni_intel aes_x86_64 lrw gf128mul glue_helper
>>>>>> ablk_helper cryptd snd_timer serio_raw e1000e snd mei_me mei
>>>>>> xhci_pci i2c_i801 ptp xhci_hcd pps_core lpc_ich shpchp soundcore
>>>>>> mfd_core dm_mod btrfs xor raid6_pq nouveau crc32c_intel video
>>>>>> i2c_algo_bit drm_kms_helper ttm drm wmi sg [last unloaded:
>>>>>> rtai_hal] [ 842.373165] CPU: 3 PID: 2632 Comm: calibrate
>>>>>> Tainted: P D    O
>>>>>> 3.18.22-STRADM #9
>>>>>> [  842.374469] Hardware name: ASUS All Series/X99-A II, BIOS
>>>>>> 0801
>>>>>> 06/28/2016
>>>>>> [  842.375776] task: ffff8807e75982d0 ti: ffff8807c8c84000
>>>>>> task.ti:
>>>>>> ffff8807c8c84000 [  842.377073] RIP: 0010:[<ffffffffa04e8631>]
>>>>>> [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [  842.378397] RSP:
>>>>>>  0018:ffff8807c8c87e78  EFLAGS: 00010206
>>>>>> [  842.379730] RAX: ffff8807c8c84000 RBX: 00007ffd7ce07800 RCX:
>>>>>> 0000000000000407
>>>>>> [  842.381076] RDX: 0000000000000000 RSI: 00007ffd7ce07800 RDI:
>>>>>> 0000000000407818
>>>>>> [  842.382429] RBP: ffff8807c8c87ec8 R08: 00007ffd7ce08f69 R09:
>>>>>> 00007ffd00000001
>>>>>> [  842.383766] R10: 00007ffd7ce077c8 R11: 0000000000000202 R12:
>>>>>> 0000000000000000
>>>>>> [  842.385102] R13: 0000000000407818 R14: 0000000000000000 R15:
>>>>>> 0000000000000000
>>>>>> [  842.386432] FS:  00007f49073ca700(0000)
>>>>>> GS:ffff88081f2c0000(0000)
>>>>>> knlGS:0000000000000000
>>>>>> [  842.387762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>>>>>  [  842.389087] CR2: 00007ffd7ce07800 CR3: 00000007f5679000
>>>>>> CR4:
>>>>>> 00000000003407e0
>>>>>> [  842.390421] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
>>>>>> 0000000000000000
>>>>>> [  842.391759] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
>>>>>> 0000000000000400
>>>>>> [  842.393081] I-pipe domain Linux
>>>>>> [  842.394389] Stack:
>>>>>> [  842.395694]  00000000000002a6 ffff880000000000
>>>>>> 0000000000000000
>>>>>> ffff8807e71a6260 [  842.396992]  00000000e71a6000
>>>>>> ffff8807e71a6248 00007ffd7ce07800 0000000000000000 [
>>>>>> 842.398272]  0000000000407818 0000000000000000 ffff8807c8c87f38
>>>>>>  ffffffffa04e8ec0 [  842.399537] Call Trace: [  842.400804]
>>>>>> [<ffffffffa04e8ec0>] rtai_lxrt_invoke+0x1f0/0x900
>>>>>> [rtai_sched]
>>>>>> [  842.402074]  [<ffffffff810ea996>] ?
>>>>>> __audit_syscall_exit+0x236/0x2e0
>>>>>> [  842.403334]  [<ffffffffa04e72b5>]
>>>>>> lxrt_intercept_syscall+0xc5/0x190 [rtai_sched] [  842.404596]
>>>>>> [<ffffffff81602a18>] ?
>>>>>> int_check_syscall_exit_work+0x34/0x3d [  842.405852]
>>>>>> [<ffffffff811005d9>] __ipipe_notify_syscall+0x19/0x20
>>>>>> [  842.407065]  [<ffffffff8160268e>] pipeline_syscall+0xa/0x17
>>>>>> [  842.408238] Code: 89 04 24 31 c0 41 ff 52 08 48 83 c4 30 5b
>>>>>> 41
>>>>>> 5c 41
>>>>>> 5d 41 5e 5d c3 48 c7 c7 b8 16 4f a0 e8 e8 c3 2d 00 48 c7 c0 da
>>>>>> ff ff ff eb 96 <4c> 8b 2e 8d 91 18 fc ff ff 83 fa 20 4c 89 e8 0f
>>>>>> 87 85
>>>>>> 00 00 00
>>>>>> [  842.409455] RIP  [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [  842.410647]  RSP
>>>>>> <ffff8807c8c87e78>
>>>>>> [  842.411800] CR2: 00007ffd7ce07800
>>>>>> [  842.420356] ---[ end trace a536dac0772dd8ef ]---
>>>>>> [  842.420410] USERMODE CHECK: ERROR.
>>>>>> [  842.420412] USERMODE CHECK PROVIDED (ns): KernelLatency 0,
>>>>>> UserLatency 0.
>>>>>> [  842.420413] FINAL CALIBRATION SUMMARY (ns): KernelLatency 0,
>>>>>> UserLatency 0.
>>>>>> [  850.797255]
>>>>>>
>>>>>>
>>>>>>
>>>>>> CPU USE SUMMARY
>>>>>> [  850.797259] # 0 -> 83615
>>>>>> [  850.797260] # 1 -> 0
>>>>>> [  850.797261] # 2 -> 0
>>>>>> [  850.797262] # 3 -> 0
>>>>>> [  850.797262] # 4 -> 0
>>>>>> [  850.797263] # 5 -> 0
>>>>>> [  850.797264] # 6 -> 0
>>>>>> [  850.797264] # 7 -> 0
>>>>>> [  850.797265] # 8 -> 0
>>>>>> [  850.797266] # 9 -> 0
>>>>>> [  850.797266] # 10 -> 0
>>>>>> [  850.797267] # 11 -> 0
>>>>>> [  850.797268] END OF CPU USE SUMMARY
>>>>>>
>>>>>>
>>>>>>
>>>>>> [  851.287459] RTAI[sched]: unloaded (forced hard/soft/hard
>>>>>> transitions:
>>>>>> traps 0, syscalls 0). [  851.293033] RTAI[malloc]: unloaded. [
>>>>>> 851.298420] I-pipe: head domain RTAI unregistered.
>>>>>> [  851.298430] RTAI[hal]: unmounted.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> linux-36hs:/usr/realtime/calibration # ./run
>>>>>> *
>>>>>> *
>>>>>> * Type ^C to stop this application.
>>>>>> *
>>>>>> *
>>>>>> /usr/realtime/bin/rtai-load: line 185:  2873 Killed $suflag $*
>>>>>> linux-36hs:/usr/realtime/calibration #
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> linux-36hs:/usr/realtime # dmesg
>>>>>> [ 1114.495362] I-pipe: head domain RTAI registered.
>>>>>> [ 1114.495365] RTAI[hal]: mounted. ISOL_CPUS_MASK: 0.
>>>>>> [ 1114.495367] SYSINFO - # CPUs: 12, TIMER NAME: 'lapic', TIMER
>>>>>> IRQ:
>>>>>> 4353, TIMER FREQ: 6246289, CLOCK NAME: 'tsc', CLOCK FREQ:
>>>>>> 3398323000,
>>>>>> CPU FREQ: 3398323000, LINUX TIMER IRQ: 4353.
>>>>>> [ 1114.509743] RTAI[malloc]: global heap size = 4194304 bytes,
>>>>>> <BSD>.
>>>>>> [ 1114.520995] , kstacks pool size = 524288 bytes.
>>>>>> [ 1114.520998] RTAI[sched]: hard timer type/freq =
>>>>>> lapic/6246289(Hz); timing: oneshot; linear timed lists. [
>>>>>> 1114.520999] RTAI[sched]: Linux timer freq = 1000 (Hz),
>>>>>> TimeBase
>>>>>> freq = 3398323000 hz. [ 1114.521000] RTAI[sched]: timer setup =
>>>>>> 160 ns, resched latency
>>>>>> = 0
>>>>>> ns. [ 1114.521417] BUG: unable to handle kernel paging request
>>>>>> at 00007ffd243033a0
>>>>>> [ 1114.521925] IP: [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [ 1114.523053] PGD
>>>>>> 7e6a93067 PUD 7c8c9b067 PMD 7e7964067 PTE
>>>>>> 80000007cec47867
>>>>>> [ 1114.524195] Oops: 0001 [#7] PREEMPT SMP
>>>>>> [ 1114.525342] Modules linked in: rtai_sched(O+) rtai_malloc(PO)
>>>>>>  rtai_hal(O) fuse af_packet snd_hda_codec_hdmi
>>>>>> snd_hda_codec_realtek snd_hda_codec_generic xfs libcrc32c
>>>>>> x86_pkg_temp_thermal coretemp kvm iTCO_wdt iTCO_vendor_support
>>>>>> mxm_wmi snd_hda_intel snd_hda_controller snd_hda_codec
>>>>>> snd_hwdep crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
>>>>>> snd_pcm aesni_intel aes_x86_64 lrw gf128mul glue_helper
>>>>>> ablk_helper cryptd snd_timer serio_raw e1000e snd mei_me mei
>>>>>> xhci_pci i2c_i801 ptp xhci_hcd pps_core lpc_ich shpchp soundcore
>>>>>> mfd_core dm_mod btrfs xor raid6_pq nouveau crc32c_intel video
>>>>>> i2c_algo_bit drm_kms_helper ttm drm wmi sg [last unloaded:
>>>>>> rtai_hal] [ 1114.529176] CPU: 11 PID: 2981 Comm: calibrate
>>>>>> Tainted: P D    O
>>>>>> 3.18.22-STRADM #9
>>>>>> [ 1114.530488] Hardware name: ASUS All Series/X99-A II, BIOS
>>>>>> 0801
>>>>>> 06/28/2016
>>>>>> [ 1114.531800] task: ffff8807e795e350 ti: ffff8807e7424000
>>>>>> task.ti:
>>>>>> ffff8807e7424000 [ 1114.533111] RIP: 0010:[<ffffffffa04e8631>]
>>>>>> [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [ 1114.534442] RSP:
>>>>>>  0018:ffff8807e7427e78  EFLAGS: 00010206
>>>>>> [ 1114.535790] RAX: ffff8807e7424000 RBX: 00007ffd243033a0 RCX:
>>>>>> 0000000000000407
>>>>>> [ 1114.537134] RDX: 0000000000000000 RSI: 00007ffd243033a0 RDI:
>>>>>> 0000000000407818
>>>>>> [ 1114.538486] RBP: ffff8807e7427ec8 R08: 00007ffd24303f69 R09:
>>>>>> 00007ffd00000001
>>>>>> [ 1114.539832] R10: 00007ffd24303368 R11: 0000000000000202 R12:
>>>>>> 0000000000000000
>>>>>> [ 1114.541171] R13: 0000000000407818 R14: 0000000000000000 R15:
>>>>>> 0000000000000000
>>>>>> [ 1114.542506] FS:  00007f14aad8a700(0000)
>>>>>> GS:ffff88081f4c0000(0000)
>>>>>> knlGS:0000000000000000
>>>>>> [ 1114.543836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>>>>>  [ 1114.545169] CR2: 00007ffd243033a0 CR3: 00000007c851c000
>>>>>> CR4:
>>>>>> 00000000003407e0
>>>>>> [ 1114.546504] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
>>>>>> 0000000000000000
>>>>>> [ 1114.547839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
>>>>>> 0000000000000400
>>>>>> [ 1114.549165] I-pipe domain Linux
>>>>>> [ 1114.550476] Stack:
>>>>>> [ 1114.551791]  00000000000002a6 ffff880700000000
>>>>>> 0000000000000000
>>>>>> ffff8807f3a92e60 [ 1114.553086]  00000000f3a92c00
>>>>>> ffff8807f3a92e48 00007ffd243033a0 0000000000000000 [
>>>>>> 1114.554362]  0000000000407818 0000000000000000
>>>>>> ffff8807e7427f38 ffffffffa04e8ec0 [ 1114.555631] Call Trace: [
>>>>>> 1114.556900]  [<ffffffffa04e8ec0>] rtai_lxrt_invoke+0x1f0/0x900
>>>>>>  [rtai_sched]
>>>>>> [ 1114.558181]  [<ffffffff810ea996>] ?
>>>>>> __audit_syscall_exit+0x236/0x2e0
>>>>>> [ 1114.559442]  [<ffffffffa04e72b5>]
>>>>>> lxrt_intercept_syscall+0xc5/0x190 [rtai_sched] [ 1114.560707]
>>>>>> [<ffffffff81602a18>] ?
>>>>>> int_check_syscall_exit_work+0x34/0x3d [ 1114.561970]
>>>>>> [<ffffffff811005d9>] __ipipe_notify_syscall+0x19/0x20
>>>>>> [ 1114.563188]  [<ffffffff8160268e>] pipeline_syscall+0xa/0x17
>>>>>> [ 1114.564365] Code: 89 04 24 31 c0 41 ff 52 08 48 83 c4 30 5b
>>>>>> 41
>>>>>> 5c 41
>>>>>> 5d 41 5e 5d c3 48 c7 c7 b8 16 4f a0 e8 e8 c3 2d 00 48 c7 c0 da
>>>>>> ff ff ff eb 96 <4c> 8b 2e 8d 91 18 fc ff ff 83 fa 20 4c 89 e8 0f
>>>>>> 87 85
>>>>>> 00 00 00
>>>>>> [ 1114.565584] RIP  [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [ 1114.566781]  RSP
>>>>>> <ffff8807e7427e78>
>>>>>> [ 1114.567935] CR2: 00007ffd243033a0
>>>>>> [ 1114.569088] ---[ end trace a536dac0772dd8f2 ]---
>>>>>> [ 1114.569171] USERMODE CHECK: ERROR.
>>>>>> [ 1114.569174] USERMODE CHECK PROVIDED (ns): KernelLatency 0,
>>>>>> UserLatency 0.
>>>>>> [ 1114.569175] FINAL CALIBRATION SUMMARY (ns): KernelLatency 0,
>>>>>> UserLatency 0.
>>>>>> [ 1114.579349] BUG: unable to handle kernel paging request at
>>>>>> 00007ffdc26b67e0
>>>>>> [ 1114.579842] IP: [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [ 1114.580985] PGD
>>>>>> 7cb615067 PUD 7eb676067 PMD 7cb63a067 PTE
>>>>>> 80000000d0f69867
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> [ 1114.582127] Oops: 0001 [#8] PREEMPT SMP
>>>>>> [ 1114.583281] Modules linked in: rtai_sched(O) rtai_malloc(PO)
>>>>>> rtai_hal(O) fuse af_packet snd_hda_codec_hdmi
>>>>>> snd_hda_codec_realtek snd_hda_codec_generic xfs libcrc32c
>>>>>> x86_pkg_temp_thermal coretemp kvm iTCO_wdt iTCO_vendor_support
>>>>>> mxm_wmi snd_hda_intel snd_hda_controller snd_hda_codec
>>>>>> snd_hwdep crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
>>>>>> snd_pcm aesni_intel aes_x86_64 lrw gf128mul glue_helper
>>>>>> ablk_helper cryptd snd_timer serio_raw e1000e snd mei_me mei
>>>>>> xhci_pci i2c_i801 ptp xhci_hcd pps_core lpc_ich shpchp soundcore
>>>>>> mfd_core dm_mod btrfs xor raid6_pq nouveau crc32c_intel video
>>>>>> i2c_algo_bit drm_kms_helper ttm drm wmi sg [last unloaded:
>>>>>> rtai_hal] [ 1114.587108] CPU: 11 PID: 2994 Comm: calibration_hel
>>>>>> Tainted:
>>>>>> P      D
>>>>>> O   3.18.22-STRADM #9
>>>>>> [ 1114.588427] Hardware name: ASUS All Series/X99-A II, BIOS
>>>>>> 0801
>>>>>> 06/28/2016
>>>>>> [ 1114.589739] task: ffff8807eb716650 ti: ffff8807e6ad0000
>>>>>> task.ti:
>>>>>> ffff8807e6ad0000 [ 1114.591049] RIP: 0010:[<ffffffffa04e8631>]
>>>>>> [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [ 1114.592381] RSP:
>>>>>>  0018:ffff8807e6ad3e78  EFLAGS: 00010202
>>>>>> [ 1114.593726] RAX: ffff8807e6ad0000 RBX: 00007ffdc26b67e0 RCX:
>>>>>> 00000000000003ea
>>>>>> [ 1114.595070] RDX: 0000000000000000 RSI: 00007ffdc26b67e0 RDI:
>>>>>> 00000000003ea828
>>>>>> [ 1114.596425] RBP: ffff8807e6ad3ec8 R08: 000000000000000f R09:
>>>>>> 0000000000000000
>>>>>> [ 1114.597770] R10: 00007ffdc26b6798 R11: 0000000000003202 R12:
>>>>>> 0000000000000000
>>>>>> [ 1114.599112] R13: 00000000003ea828 R14: 0000000000000000 R15:
>>>>>> 0000000000000000
>>>>>> [ 1114.600443] FS:  00007f5b26ace700(0000)
>>>>>> GS:ffff88081f4c0000(0000)
>>>>>> knlGS:0000000000000000
>>>>>> [ 1114.601778] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>>>>>>  [ 1114.603109] CR2: 00007ffdc26b67e0 CR3: 00000007cb6ef000
>>>>>> CR4:
>>>>>> 00000000003407e0
>>>>>> [ 1114.604446] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
>>>>>> 0000000000000000
>>>>>> [ 1114.605782] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
>>>>>> 0000000000000400
>>>>>> [ 1114.607104] I-pipe domain Linux
>>>>>> [ 1114.608420] Stack:
>>>>>> [ 1114.609727]  0000000000000000 00007ffdc2797000
>>>>>> ffff8807e6ad3e98 ffff8807f5679e60 [ 1114.611023]
>>>>>> 00000000f5679c00
>>>>>> ffff8807f5679e48 00007ffdc26b67e0 0000000000000000 [ 1114.612300]
>>>>>> 00000000003ea828 0000000000000000 ffff8807e6ad3f38
>>>>>> ffffffffa04e8ec0 [ 1114.613572] Call Trace: [ 1114.614841]
>>>>>> [<ffffffffa04e8ec0>] rtai_lxrt_invoke+0x1f0/0x900
>>>>>> [rtai_sched]
>>>>>> [ 1114.616122]  [<ffffffff810ea996>] ?
>>>>>> __audit_syscall_exit+0x236/0x2e0
>>>>>> [ 1114.617389]  [<ffffffffa04e72b5>]
>>>>>> lxrt_intercept_syscall+0xc5/0x190 [rtai_sched] [ 1114.618660]
>>>>>> [<ffffffff81602a18>] ?
>>>>>> int_check_syscall_exit_work+0x34/0x3d [ 1114.619921]
>>>>>> [<ffffffff811005d9>] __ipipe_notify_syscall+0x19/0x20
>>>>>> [ 1114.621143]  [<ffffffff8160268e>] pipeline_syscall+0xa/0x17
>>>>>> [ 1114.622320] Code: 89 04 24 31 c0 41 ff 52 08 48 83 c4 30 5b
>>>>>> 41
>>>>>> 5c 41
>>>>>> 5d 41 5e 5d c3 48 c7 c7 b8 16 4f a0 e8 e8 c3 2d 00 48 c7 c0 da
>>>>>> ff ff ff eb 96 <4c> 8b 2e 8d 91 18 fc ff ff 83 fa 20 4c 89 e8 0f
>>>>>> 87 85
>>>>>> 00 00 00
>>>>>> [ 1114.623540] RIP  [<ffffffffa04e8631>]
>>>>>> handle_lxrt_request+0x131/0x7d0 [rtai_sched] [ 1114.624736]  RSP
>>>>>> <ffff8807e6ad3e78>
>>>>>> [ 1114.625895] CR2: 00007ffdc26b67e0
>>>>>> [ 1114.627043] ---[ end trace a536dac0772dd8f3 ]---
>>>>>> [ 1114.970918] RTAI[sched]: unloaded (forced hard/soft/hard
>>>>>> transitions:
>>>>>> traps 0, syscalls 0). [ 1114.979641] RTAI[malloc]: unloaded. [
>>>>>> 1114.985289] I-pipe: head domain RTAI unregistered.
>>>>>> [ 1114.985299] RTAI[hal]: unmounted.
>>>>>> linux-36hs:/usr/realtime #
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Rtai mailing list
>>>>>> [email protected]
>>>>>> https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai
>>>>>>
>>>>>>
>>>>>>
>>>>> _______________________________________________
>>>>> Rtai mailing list
>>>>> [email protected]
>>>>> https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>
>>
>

_______________________________________________
Rtai mailing list
[email protected]
https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai
setup2.txt (text/plain, 11.3 KB) 


linux-36hs:/usr/realtime/testsuite/kern/latency # more /proc/version
Linux version 3.18.22-STRADM (root@linux-36hs) (gcc version 4.8.3 20140627 [gcc-4_8-branch revision 212064] (SUSE Linux) ) #10 SMP PREEMPT Wed Nov 23 10:45:57 EST 2016
linux-36hs:/usr/realtime/testsuite/kern/latency # cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.18.22-STRADM root=UUID=ba0af6f1-8ea8-4dab-801e-9da86cca2f8d resume=/dev/sda2 splash=silent quiet showopts lapic=notscdeadline
linux-36hs:/usr/realtime/testsuite/kern/latency # 

linux-36hs:/usr/realtime/testsuite/kern/latency # ./run 
*
*
* Type ^C to stop this application.
*
*
RTAI Testsuite - KERNEL space latency test (output data in nanoseconds)

*** latency verification tool with RTAI own real time kernel tasks ***
***    period = 100000 (ns),  avrgtime = 1 (s)    ***

RTH|    lat min|    ovl min|    lat avg|    lat max|    ovl max|   overruns
RTD|        263|        263|        445|       2620|       2620|          0
RTD|        297|        263|        445|       2615|       2620|          0
RTD|        157|        157|        445|       2544|       2620|          0
RTD|        231|        157|        445|       2613|       2620|          0
RTD|        218|        157|        444|       2279|       2620|          0
RTD|        215|        157|        445|       2824|       2824|          0
RTD|        177|        157|        445|       2565|       2824|          0
RTD|        157|        157|        445|       2492|       2824|          0
RTD|        309|        157|        445|       2637|       2824|          0
RTD|        230|        157|        446|       2441|       2824|          0
RTD|        155|        155|        445|       2358|       2824|          0
RTD|        174|        155|        445|       2863|       2863|          0
RTD|        200|        155|        444|       2496|       2863|          0
RTD|        205|        155|        445|       3125|       3125|          0
RTD|        228|        155|        445|       2638|       3125|          0
RTD|        230|        155|        445|       2336|       3125|          0
RTD|        178|        155|        445|       3031|       3125|          0
RTD|        241|        155|        444|       2315|       3125|          0
RTD|        212|        155|        444|       2532|       3125|          0
RTD|        193|        155|        445|       2490|       3125|          0
RTD|        294|        155|        445|       2529|       3125|          0
RTH|    lat min|    ovl min|    lat avg|    lat max|    ovl max|   overruns
RTD|        175|        155|        445|       3511|       3511|          0
RTD|        239|        155|        445|       2214|       3511|          0
RTD|        175|        155|        446|       2889|       3511|          0
RTD|        207|        155|        446|       2457|       3511|          0
RTD|        283|        155|        445|       2572|       3511|          0
RTD|        195|        155|        445|       2619|       3511|          0
RTD|        207|        155|        445|       2691|       3511|          0
RTD|        274|        155|        446|       2608|       3511|          0
RTD|        237|        155|        445|       2277|       3511|          0
RTD|        236|        155|        444|       2640|       3511|          0
RTD|        211|        155|        444|       2587|       3511|          0
^CRTD|        211|        155|        444|       2587|       3511|          0





linux-36hs:/home/doug # dmesg
[  229.604529] I-pipe: head domain RTAI registered.
[  229.604532] RTAI[hal]: mounted. ISOL_CPUS_MASK: 0.
[  229.604534] SYSINFO - # CPUs: 4, TIMER NAME: 'lapic', TIMER IRQ: 4353, TIMER FREQ: 6246289, CLOCK NAME: 'tsc', CLOCK FREQ: 3398387000, CPU FREQ: 3398387000, LINUX TIMER IRQ: 4353.
[  229.614073] rtai_malloc: module license 'unspecified' taints kernel.
[  229.614075] Disabling lock debugging due to kernel taint
[  229.614361] RTAI[malloc]: global heap size = 4194304 bytes, <BSD>.
[  229.626639] , kstacks pool size = 524288 bytes.
[  229.626641] RTAI[sched]: hard timer type/freq = lapic/6246289(Hz); timing: oneshot; linear timed lists.
[  229.626643] RTAI[sched]: Linux timer freq = 1000 (Hz), TimeBase freq = 3398387000 hz.
[  229.626644] RTAI[sched]: timer setup = 160 ns, resched latency = 0 ns.
[  229.629832] BUG: unable to handle kernel paging request at 00007ffc2bbec710
[  229.629843] IP: [<ffffffffa07006c1>] handle_lxrt_request+0x131/0x7d0 [rtai_sched]
[  229.629853] PGD 7cef0f067 PUD 7cef8e067 PMD 7cc547067 PTE 80000007e4da6867
[  229.629861] Oops: 0001 [#1] PREEMPT SMP 
[  229.629867] Modules linked in: rtai_sched(O+) rtai_malloc(PO) rtai_hal(O) fuse af_packet snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic xfs libcrc32c iTCO_wdt iTCO_vendor_support mxm_wmi x86_pkg_temp_thermal coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel snd_hda_intel snd_hda_controller aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_codec serio_raw snd_hwdep snd_pcm snd_timer e1000e snd i2c_i801 lpc_ich mfd_core ptp mei_me pps_core mei soundcore xhci_pci xhci_hcd shpchp dm_mod btrfs xor raid6_pq crc32c_intel nouveau video i2c_algo_bit drm_kms_helper ttm drm wmi sg
[  229.629948] CPU: 0 PID: 2000 Comm: calibrate Tainted: P           O   3.18.22-STRADM #10
[  229.629953] Hardware name: ASUS All Series/X99-A II, BIOS 0801 06/28/2016
[  229.629957] task: ffff8807ccb54450 ti: ffff8807cc93c000 task.ti: ffff8807cc93c000
[  229.629961] RIP: 0010:[<ffffffffa07006c1>]  [<ffffffffa07006c1>] handle_lxrt_request+0x131/0x7d0 [rtai_sched]
[  229.629970] RSP: 0018:ffff8807cc93fe78  EFLAGS: 00010206
[  229.629973] RAX: ffff8807cc93c000 RBX: 00007ffc2bbec710 RCX: 0000000000000407
[  229.629977] RDX: 0000000000000000 RSI: 00007ffc2bbec710 RDI: 0000000000407818
[  229.629980] RBP: ffff8807cc93fec8 R08: 00007ffc2bbedf69 R09: 00007ffc00000001
[  229.629984] R10: 00007ffc2bbec6d8 R11: 0000000000000202 R12: 0000000000000000
[  229.629988] R13: 0000000000407818 R14: 0000000000000000 R15: 0000000000000000
[  229.629992] FS:  00007f105349e700(0000) GS:ffff88081fc00000(0000) knlGS:0000000000000000
[  229.629996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  229.629999] CR2: 00007ffc2bbec710 CR3: 00000007cccdb000 CR4: 00000000003407f0
[  229.630003] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  229.630007] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  229.630010] I-pipe domain Linux
[  229.630013] Stack:
[  229.630018]  000000000000029a ffff880000000000 0000000000000000 ffff8807cc474a60
[  229.630025]  00000000cc474800 ffff8807cc474a48 00007ffc2bbec710 0000000000000000
[  229.630032]  0000000000407818 0000000000000000 ffff8807cc93ff38 ffffffffa0700f50
[  229.630039] Call Trace:
[  229.630045]  [<ffffffffa0700f50>] rtai_lxrt_invoke+0x1f0/0x900 [rtai_sched]
[  229.630052]  [<ffffffff810ea856>] ? __audit_syscall_exit+0x236/0x2e0
[  229.630058]  [<ffffffffa06ff335>] lxrt_intercept_syscall+0xc5/0x190 [rtai_sched]
[  229.630064]  [<ffffffff81602798>] ? int_check_syscall_exit_work+0x34/0x3d
[  229.630069]  [<ffffffff81100409>] __ipipe_notify_syscall+0x19/0x20
[  229.630073]  [<ffffffff8160240e>] pipeline_syscall+0xa/0x17
[  229.630077] Code: 89 04 24 31 c0 41 ff 52 08 48 83 c4 30 5b 41 5c 41 5d 41 5e 5d c3 48 c7 c7 b8 96 70 a0 e8 58 83 f7 ff 48 c7 c0 da ff ff ff eb 96 <4c> 8b 2e 8d 91 18 fc ff ff 83 fa 20 4c 89 e8 0f 87 85 00 00 00 
[  229.630148] RIP  [<ffffffffa07006c1>] handle_lxrt_request+0x131/0x7d0 [rtai_sched]
[  229.630154]  RSP <ffff8807cc93fe78>
[  229.630156] CR2: 00007ffc2bbec710
[  229.637530] ---[ end trace db41d9a3785870cb ]---
[  229.637619] USERMODE CHECK: ERROR.
[  229.637621] USERMODE CHECK PROVIDED (ns): KernelLatency 0, UserLatency 0.
[  229.637622] FINAL CALIBRATION SUMMARY (ns): KernelLatency 0, UserLatency 0.
[  262.933312] 

CPU USE SUMMARY
[  262.933315] # 0 -> 332993
[  262.933316] # 1 -> 0
[  262.933317] # 2 -> 0
[  262.933318] # 3 -> 0
[  262.933318] END OF CPU USE SUMMARY

[  270.186136] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[  270.191740] RTAI[malloc]: unloaded.
[  270.196843] I-pipe: head domain RTAI unregistered.
[  270.196848] RTAI[hal]: unmounted.
linux-36hs:/home/doug # 


bash: ./calibrat: No such file or directory
linux-36hs:/usr/realtime/calibration # ./calibrate 
Segmentation fault

linux-36hs:/usr/realtime/calibration # dmesg
[  738.044258] ------------[ cut here ]------------
[  738.044727] kernel BUG at kernel/auditsc.c:1525!
[  738.045802] invalid opcode: 0000 [#3] PREEMPT SMP 
[  738.046872] Modules linked in: fuse af_packet snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic xfs libcrc32c iTCO_wdt iTCO_vendor_support mxm_wmi x86_pkg_temp_thermal coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel snd_hda_intel snd_hda_controller aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_codec serio_raw snd_hwdep snd_pcm snd_timer e1000e snd i2c_i801 lpc_ich mfd_core ptp mei_me pps_core mei soundcore xhci_pci xhci_hcd shpchp dm_mod btrfs xor raid6_pq crc32c_intel nouveau video i2c_algo_bit drm_kms_helper ttm drm wmi sg [last unloaded: rtai_hal]
[  738.050403] CPU: 3 PID: 2200 Comm: calibrate Tainted: P      D    O   3.18.22-STRADM #10
[  738.051605] Hardware name: ASUS All Series/X99-A II, BIOS 0801 06/28/2016
[  738.052819] task: ffff8807cccb0310 ti: ffff8807f53f0000 task.ti: ffff8807f53f0000
[  738.054035] RIP: 0010:[<ffffffff810ea60f>]  [<ffffffff810ea60f>] __audit_syscall_entry+0xff/0x110
[  738.055268] RSP: 0018:ffff8807f53f3ee8  EFLAGS: 00010202
[  738.056497] RAX: ffff8807cccb0310 RBX: ffff8807ccd45400 RCX: 0000000000000000
[  738.057727] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000e7
[  738.058962] RBP: ffff8807f53f3ef8 R08: ffffffffffffff90 R09: ffff8807cccb0310
[  738.060197] R10: ffffffffffffff90 R11: 0000000000000246 R12: 0000000000000001
[  738.061445] R13: ffff8807f53f3f58 R14: 00000000c000003e R15: 0000000000000000
[  738.062687] FS:  00007ff5c67f3700(0000) GS:ffff88081fd80000(0000) knlGS:0000000000000000
[  738.063934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  738.065178] CR2: 00007ff5c5ecea50 CR3: 00000007f521a000 CR4: 00000000003407e0
[  738.066431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  738.067687] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  738.068924] I-pipe domain Linux
[  738.070149] Stack:
[  738.071368]  ffff8807f53f4000 0000000000000000 ffff8807f53f3f08 ffffffff8101071c
[  738.072602]  ffff8807f53f3f78 ffffffff81011cc3 ffffffff81012032 00000000f3e5b580
[  738.073832]  00000000ffffffff 0000000000000200 0000000000000000 00007ff5c61b5830
[  738.075080] Call Trace:
[  738.076311]  [<ffffffff8101071c>] do_audit_syscall_entry+0x6c/0x70
[  738.077526]  [<ffffffff81011cc3>] syscall_trace_enter_phase1+0x103/0x160
[  738.078717]  [<ffffffff81012032>] ? syscall_trace_leave+0xb2/0x120
[  738.079907]  [<ffffffff81604852>] ? page_fault+0x22/0x60
[  738.081090]  [<ffffffff81602603>] tracesys+0x14/0x4a
[  738.082269] Code: 5d c3 66 2e 0f 1f 84 00 00 00 00 00 48 c7 43 50 00 00 00 00 48 89 de 4c 89 cf 48 c7 c2 20 9e c5 81 e8 36 f5 ff ff 41 89 c4 eb 9a <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 e8 5b a6 51 
[  738.083547] RIP  [<ffffffff810ea60f>] __audit_syscall_entry+0xff/0x110
[  738.084795]  RSP <ffff8807f53f3ee8>
[  738.086000] ---[ end trace db41d9a3785870cd ]---
linux-36hs:/usr/realtime/calibration #
rtai_config.txt (text/plain, 2.1 KB) 
#
# Automatically generated make config: don't edit
#
CONFIG_MODULES=y
CONFIG_RTAI_VERSION="5.0 (vulcano)"

#
# General
#
CONFIG_RTAI_INSTALLDIR="/usr/realtime"
CONFIG_RTAI_LINUXDIR="/usr/src/linux"

#
# RTAI Documentation
#
# CONFIG_RTAI_DOX_DOC is not set
# CONFIG_RTAI_DOC_LATEX_NONSTOP is not set
# CONFIG_RTAI_DBX_DOC is not set
CONFIG_RTAI_TESTSUITE=y
CONFIG_RTAI_COMPAT=y
# CONFIG_RTAI_EXTENDED is not set
CONFIG_RTAI_LXRT_NO_INLINE=y
# CONFIG_RTAI_LXRT_STATIC_INLINE is not set
CONFIG_RTAI_FORTIFY_SOURCE=""

#
# Machine (x86)
#
CONFIG_RTAI_FPU_SUPPORT=y
CONFIG_RTAI_CPUS="4"
# CONFIG_RTAI_DIAG_TSC_SYNC is not set

#
# Base system
#

#
# Scheduling options
#
# CONFIG_RTAI_SCHED_ISR_LOCK is not set
# CONFIG_RTAI_LONG_TIMED_LIST is not set
CONFIG_RTAI_LATENCY_SELF_CALIBRATION_METRICS="1"
CONFIG_RTAI_LATENCY_SELF_CALIBRATION_FREQ="4000"
CONFIG_RTAI_LATENCY_SELF_CALIBRATION_CYCLES="10000"
CONFIG_RTAI_KERN_BUSY_ALIGN_RET_DELAY="0"
CONFIG_RTAI_USER_BUSY_ALIGN_RET_DELAY="0"
CONFIG_RTAI_SCHED_LXRT_NUMSLOTS="150"
CONFIG_RTAI_MONITOR_EXECTIME=y
CONFIG_RTAI_ALLOW_RR=y
CONFIG_RTAI_FULL_PRINHER=y
CONFIG_RTAI_ALIGN_LINUX_PRIORITY=y
CONFIG_RTAI_ONE_SHOT=y
CONFIG_RTAI_CAL_FREQS_FACT="0"

#
# Supported services
#
CONFIG_RTAI_BITS=m
CONFIG_RTAI_FIFOS=m
# CONFIG_RTAI_NETRPC is not set
CONFIG_RTAI_SHM=m
CONFIG_RTAI_SEM=m
# CONFIG_RTAI_RT_POLL is not set
CONFIG_RTAI_MSG=m
CONFIG_RTAI_MBX=m
CONFIG_RTAI_TBX=m
CONFIG_RTAI_TASKLETS=m
CONFIG_RTAI_MQ=m
# CONFIG_RTAI_CLOCK_REALTIME is not set

#
# Other features
#
# CONFIG_RTAI_USE_NEWERR is not set
CONFIG_RTAI_MATH=y
CONFIG_RTAI_MATH_LIBM_TO_USE="1"
CONFIG_RTAI_MATH_LIBM_DIR="/usr/local/src/newlib/install/lib/"
# CONFIG_RTAI_MATH_KCOMPLEX is not set
CONFIG_RTAI_MALLOC=m
# CONFIG_RTAI_USE_TLSF is not set
# CONFIG_RTAI_MALLOC_VMALLOC is not set
CONFIG_RTAI_MALLOC_HEAPSZ="4096"
CONFIG_RTAI_KSTACK_HEAPSZ="512"
# CONFIG_RTAI_TASK_SWITCH_SIGNAL is not set
# CONFIG_RTAI_USI is not set
# CONFIG_RTAI_WD is not set

#
# Add-ons
#
# CONFIG_RTAI_COMEDI_LXRT is not set
# CONFIG_RTAI_CPLUSPLUS is not set
# CONFIG_RTAI_RTDM is not set

#
# Drivers
#
# CONFIG_RTAI_DRIVERS_SERIAL is not set

#
# RTAI Lab
#
# CONFIG_RTAI_LAB is not set
setup2.txt (text/plain, 11.3 KB) 


linux-36hs:/usr/realtime/testsuite/kern/latency # more /proc/version
Linux version 3.18.22-STRADM (root@linux-36hs) (gcc version 4.8.3 20140627 [gcc-4_8-branch revision 212064] (SUSE Linux) ) #10 SMP PREEMPT Wed Nov 23 10:45:57 EST 2016
linux-36hs:/usr/realtime/testsuite/kern/latency # cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.18.22-STRADM root=UUID=ba0af6f1-8ea8-4dab-801e-9da86cca2f8d resume=/dev/sda2 splash=silent quiet showopts lapic=notscdeadline
linux-36hs:/usr/realtime/testsuite/kern/latency # 

linux-36hs:/usr/realtime/testsuite/kern/latency # ./run 
*
*
* Type ^C to stop this application.
*
*
RTAI Testsuite - KERNEL space latency test (output data in nanoseconds)

*** latency verification tool with RTAI own real time kernel tasks ***
***    period = 100000 (ns),  avrgtime = 1 (s)    ***

RTH|    lat min|    ovl min|    lat avg|    lat max|    ovl max|   overruns
RTD|        263|        263|        445|       2620|       2620|          0
RTD|        297|        263|        445|       2615|       2620|          0
RTD|        157|        157|        445|       2544|       2620|          0
RTD|        231|        157|        445|       2613|       2620|          0
RTD|        218|        157|        444|       2279|       2620|          0
RTD|        215|        157|        445|       2824|       2824|          0
RTD|        177|        157|        445|       2565|       2824|          0
RTD|        157|        157|        445|       2492|       2824|          0
RTD|        309|        157|        445|       2637|       2824|          0
RTD|        230|        157|        446|       2441|       2824|          0
RTD|        155|        155|        445|       2358|       2824|          0
RTD|        174|        155|        445|       2863|       2863|          0
RTD|        200|        155|        444|       2496|       2863|          0
RTD|        205|        155|        445|       3125|       3125|          0
RTD|        228|        155|        445|       2638|       3125|          0
RTD|        230|        155|        445|       2336|       3125|          0
RTD|        178|        155|        445|       3031|       3125|          0
RTD|        241|        155|        444|       2315|       3125|          0
RTD|        212|        155|        444|       2532|       3125|          0
RTD|        193|        155|        445|       2490|       3125|          0
RTD|        294|        155|        445|       2529|       3125|          0
RTH|    lat min|    ovl min|    lat avg|    lat max|    ovl max|   overruns
RTD|        175|        155|        445|       3511|       3511|          0
RTD|        239|        155|        445|       2214|       3511|          0
RTD|        175|        155|        446|       2889|       3511|          0
RTD|        207|        155|        446|       2457|       3511|          0
RTD|        283|        155|        445|       2572|       3511|          0
RTD|        195|        155|        445|       2619|       3511|          0
RTD|        207|        155|        445|       2691|       3511|          0
RTD|        274|        155|        446|       2608|       3511|          0
RTD|        237|        155|        445|       2277|       3511|          0
RTD|        236|        155|        444|       2640|       3511|          0
RTD|        211|        155|        444|       2587|       3511|          0
^CRTD|        211|        155|        444|       2587|       3511|          0





linux-36hs:/home/doug # dmesg
[  229.604529] I-pipe: head domain RTAI registered.
[  229.604532] RTAI[hal]: mounted. ISOL_CPUS_MASK: 0.
[  229.604534] SYSINFO - # CPUs: 4, TIMER NAME: 'lapic', TIMER IRQ: 4353, TIMER FREQ: 6246289, CLOCK NAME: 'tsc', CLOCK FREQ: 3398387000, CPU FREQ: 3398387000, LINUX TIMER IRQ: 4353.
[  229.614073] rtai_malloc: module license 'unspecified' taints kernel.
[  229.614075] Disabling lock debugging due to kernel taint
[  229.614361] RTAI[malloc]: global heap size = 4194304 bytes, <BSD>.
[  229.626639] , kstacks pool size = 524288 bytes.
[  229.626641] RTAI[sched]: hard timer type/freq = lapic/6246289(Hz); timing: oneshot; linear timed lists.
[  229.626643] RTAI[sched]: Linux timer freq = 1000 (Hz), TimeBase freq = 3398387000 hz.
[  229.626644] RTAI[sched]: timer setup = 160 ns, resched latency = 0 ns.
[  229.629832] BUG: unable to handle kernel paging request at 00007ffc2bbec710
[  229.629843] IP: [<ffffffffa07006c1>] handle_lxrt_request+0x131/0x7d0 [rtai_sched]
[  229.629853] PGD 7cef0f067 PUD 7cef8e067 PMD 7cc547067 PTE 80000007e4da6867
[  229.629861] Oops: 0001 [#1] PREEMPT SMP 
[  229.629867] Modules linked in: rtai_sched(O+) rtai_malloc(PO) rtai_hal(O) fuse af_packet snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic xfs libcrc32c iTCO_wdt iTCO_vendor_support mxm_wmi x86_pkg_temp_thermal coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel snd_hda_intel snd_hda_controller aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_codec serio_raw snd_hwdep snd_pcm snd_timer e1000e snd i2c_i801 lpc_ich mfd_core ptp mei_me pps_core mei soundcore xhci_pci xhci_hcd shpchp dm_mod btrfs xor raid6_pq crc32c_intel nouveau video i2c_algo_bit drm_kms_helper ttm drm wmi sg
[  229.629948] CPU: 0 PID: 2000 Comm: calibrate Tainted: P           O   3.18.22-STRADM #10
[  229.629953] Hardware name: ASUS All Series/X99-A II, BIOS 0801 06/28/2016
[  229.629957] task: ffff8807ccb54450 ti: ffff8807cc93c000 task.ti: ffff8807cc93c000
[  229.629961] RIP: 0010:[<ffffffffa07006c1>]  [<ffffffffa07006c1>] handle_lxrt_request+0x131/0x7d0 [rtai_sched]
[  229.629970] RSP: 0018:ffff8807cc93fe78  EFLAGS: 00010206
[  229.629973] RAX: ffff8807cc93c000 RBX: 00007ffc2bbec710 RCX: 0000000000000407
[  229.629977] RDX: 0000000000000000 RSI: 00007ffc2bbec710 RDI: 0000000000407818
[  229.629980] RBP: ffff8807cc93fec8 R08: 00007ffc2bbedf69 R09: 00007ffc00000001
[  229.629984] R10: 00007ffc2bbec6d8 R11: 0000000000000202 R12: 0000000000000000
[  229.629988] R13: 0000000000407818 R14: 0000000000000000 R15: 0000000000000000
[  229.629992] FS:  00007f105349e700(0000) GS:ffff88081fc00000(0000) knlGS:0000000000000000
[  229.629996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  229.629999] CR2: 00007ffc2bbec710 CR3: 00000007cccdb000 CR4: 00000000003407f0
[  229.630003] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  229.630007] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  229.630010] I-pipe domain Linux
[  229.630013] Stack:
[  229.630018]  000000000000029a ffff880000000000 0000000000000000 ffff8807cc474a60
[  229.630025]  00000000cc474800 ffff8807cc474a48 00007ffc2bbec710 0000000000000000
[  229.630032]  0000000000407818 0000000000000000 ffff8807cc93ff38 ffffffffa0700f50
[  229.630039] Call Trace:
[  229.630045]  [<ffffffffa0700f50>] rtai_lxrt_invoke+0x1f0/0x900 [rtai_sched]
[  229.630052]  [<ffffffff810ea856>] ? __audit_syscall_exit+0x236/0x2e0
[  229.630058]  [<ffffffffa06ff335>] lxrt_intercept_syscall+0xc5/0x190 [rtai_sched]
[  229.630064]  [<ffffffff81602798>] ? int_check_syscall_exit_work+0x34/0x3d
[  229.630069]  [<ffffffff81100409>] __ipipe_notify_syscall+0x19/0x20
[  229.630073]  [<ffffffff8160240e>] pipeline_syscall+0xa/0x17
[  229.630077] Code: 89 04 24 31 c0 41 ff 52 08 48 83 c4 30 5b 41 5c 41 5d 41 5e 5d c3 48 c7 c7 b8 96 70 a0 e8 58 83 f7 ff 48 c7 c0 da ff ff ff eb 96 <4c> 8b 2e 8d 91 18 fc ff ff 83 fa 20 4c 89 e8 0f 87 85 00 00 00 
[  229.630148] RIP  [<ffffffffa07006c1>] handle_lxrt_request+0x131/0x7d0 [rtai_sched]
[  229.630154]  RSP <ffff8807cc93fe78>
[  229.630156] CR2: 00007ffc2bbec710
[  229.637530] ---[ end trace db41d9a3785870cb ]---
[  229.637619] USERMODE CHECK: ERROR.
[  229.637621] USERMODE CHECK PROVIDED (ns): KernelLatency 0, UserLatency 0.
[  229.637622] FINAL CALIBRATION SUMMARY (ns): KernelLatency 0, UserLatency 0.
[  262.933312] 

CPU USE SUMMARY
[  262.933315] # 0 -> 332993
[  262.933316] # 1 -> 0
[  262.933317] # 2 -> 0
[  262.933318] # 3 -> 0
[  262.933318] END OF CPU USE SUMMARY

[  270.186136] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[  270.191740] RTAI[malloc]: unloaded.
[  270.196843] I-pipe: head domain RTAI unregistered.
[  270.196848] RTAI[hal]: unmounted.
linux-36hs:/home/doug # 


bash: ./calibrat: No such file or directory
linux-36hs:/usr/realtime/calibration # ./calibrate 
Segmentation fault

linux-36hs:/usr/realtime/calibration # dmesg
[  738.044258] ------------[ cut here ]------------
[  738.044727] kernel BUG at kernel/auditsc.c:1525!
[  738.045802] invalid opcode: 0000 [#3] PREEMPT SMP 
[  738.046872] Modules linked in: fuse af_packet snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic xfs libcrc32c iTCO_wdt iTCO_vendor_support mxm_wmi x86_pkg_temp_thermal coretemp kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel snd_hda_intel snd_hda_controller aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_codec serio_raw snd_hwdep snd_pcm snd_timer e1000e snd i2c_i801 lpc_ich mfd_core ptp mei_me pps_core mei soundcore xhci_pci xhci_hcd shpchp dm_mod btrfs xor raid6_pq crc32c_intel nouveau video i2c_algo_bit drm_kms_helper ttm drm wmi sg [last unloaded: rtai_hal]
[  738.050403] CPU: 3 PID: 2200 Comm: calibrate Tainted: P      D    O   3.18.22-STRADM #10
[  738.051605] Hardware name: ASUS All Series/X99-A II, BIOS 0801 06/28/2016
[  738.052819] task: ffff8807cccb0310 ti: ffff8807f53f0000 task.ti: ffff8807f53f0000
[  738.054035] RIP: 0010:[<ffffffff810ea60f>]  [<ffffffff810ea60f>] __audit_syscall_entry+0xff/0x110
[  738.055268] RSP: 0018:ffff8807f53f3ee8  EFLAGS: 00010202
[  738.056497] RAX: ffff8807cccb0310 RBX: ffff8807ccd45400 RCX: 0000000000000000
[  738.057727] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000e7
[  738.058962] RBP: ffff8807f53f3ef8 R08: ffffffffffffff90 R09: ffff8807cccb0310
[  738.060197] R10: ffffffffffffff90 R11: 0000000000000246 R12: 0000000000000001
[  738.061445] R13: ffff8807f53f3f58 R14: 00000000c000003e R15: 0000000000000000
[  738.062687] FS:  00007ff5c67f3700(0000) GS:ffff88081fd80000(0000) knlGS:0000000000000000
[  738.063934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  738.065178] CR2: 00007ff5c5ecea50 CR3: 00000007f521a000 CR4: 00000000003407e0
[  738.066431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  738.067687] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  738.068924] I-pipe domain Linux
[  738.070149] Stack:
[  738.071368]  ffff8807f53f4000 0000000000000000 ffff8807f53f3f08 ffffffff8101071c
[  738.072602]  ffff8807f53f3f78 ffffffff81011cc3 ffffffff81012032 00000000f3e5b580
[  738.073832]  00000000ffffffff 0000000000000200 0000000000000000 00007ff5c61b5830
[  738.075080] Call Trace:
[  738.076311]  [<ffffffff8101071c>] do_audit_syscall_entry+0x6c/0x70
[  738.077526]  [<ffffffff81011cc3>] syscall_trace_enter_phase1+0x103/0x160
[  738.078717]  [<ffffffff81012032>] ? syscall_trace_leave+0xb2/0x120
[  738.079907]  [<ffffffff81604852>] ? page_fault+0x22/0x60
[  738.081090]  [<ffffffff81602603>] tracesys+0x14/0x4a
[  738.082269] Code: 5d c3 66 2e 0f 1f 84 00 00 00 00 00 48 c7 43 50 00 00 00 00 48 89 de 4c 89 cf 48 c7 c2 20 9e c5 81 e8 36 f5 ff ff 41 89 c4 eb 9a <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 e8 5b a6 51 
[  738.083547] RIP  [<ffffffff810ea60f>] __audit_syscall_entry+0xff/0x110
[  738.084795]  RSP <ffff8807f53f3ee8>
[  738.086000] ---[ end trace db41d9a3785870cd ]---
linux-36hs:/usr/realtime/calibration #