Re: [Bugme-new] [Bug 9196] New: BUG on USB disconnect

On Sat, 20 Oct 2007 02:10:30 -0700 (PDT) [email protected] wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=9196
> 
>            Summary: BUG on USB disconnect
>            Product: Drivers
>            Version: 2.5
>      KernelVersion: 2.6.23
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: USB
>         AssignedTo: [email protected]
>         ReportedBy: [email protected]
> 
> 
> Most recent kernel where this bug did not occur:
> Distribution: FC7
> Hardware Environment:
> IBM TP42p. Connected (through dock) are USB mouse and Plantronics 400 headset
> Software Environment:
> This report saying "tainted" kernel; this is due to vmware module; but same
> happens without this module as well; but it occurs rarely, and I have no report
> with no vmware modules loaded on hands.
> Problem Description:
> Rarely, when I take laptop out of docking station, I see the following in
> syslog:
> Oct 20 10:27:57 vkondra-mobl kernel: usb 4-1: USB disconnect, address 9
> Oct 20 10:27:57 vkondra-mobl kernel: usb 4-1.1: USB disconnect, address 10
> Oct 20 10:27:57 vkondra-mobl kernel: usb 4-1.3: USB disconnect, address 11
> Oct 20 10:27:57 vkondra-mobl kernel: BUG: unable to handle kernel paging
> request at virtual address 00100100
> Oct 20 10:27:57 vkondra-mobl kernel:  printing eip:
> Oct 20 10:27:57 vkondra-mobl kernel: f89a108a
> Oct 20 10:27:57 vkondra-mobl kernel: *pde = 00000000
> Oct 20 10:27:57 vkondra-mobl kernel: Oops: 0000 [#1]
> Oct 20 10:27:57 vkondra-mobl kernel: PREEMPT
> Oct 20 10:27:57 vkondra-mobl kernel: Modules linked in: snd_usb_audio
> snd_usb_lib snd_rawmidi snd_hwdep aes crypto_algapi ieee80211_crypt_ccmp radeon
> drm uinput cpufr
> eq_stats cpufreq_conservative cpufreq_powersave cpufreq_ondemand acpi_cpufreq
> freq_table microcode autofs4 hidp rfcomm l2cap bluetooth vmnet(P) vmblock(P)
> vmmon(P) su
> nrpc ipv6 binfmt_misc dm_mod fan container bay dock pcmcia crc32 snd_intel8x0m
> snd_intel8x0 snd_seq_dummy snd_ac97_codec ac97_bus snd_seq_oss
> snd_seq_midi_event snd_s
> eq floppy snd_seq_device joydev snd_pcm_oss snd_mixer_oss parport_pc snd_pcm
> parport thinkpad_acpi hwmon ipw2200 backlight snd_timer usbhid nvram snd
> yenta_socket iee
> e80211 e1000 battery rsrc_nonstatic ac ieee80211_crypt hid pcmcia_core
> firmware_class evdev ide_cd soundcore cdrom thermal i2c_i801 button
> snd_page_alloc psmouse i2c_
> core rng_core intel_agp agpgart rtc ata_piix libata piix generic ide_disk
> ide_core ehci_hcd ohci_hcd uhci_hcd usbcore
> Oct 20 10:27:57 vkondra-mobl kernel: CPU:    0
> Oct 20 10:27:58 vkondra-mobl kernel: EIP:    0060:[<f89a108a>]    Tainted: P   
>     VLI
> Oct 20 10:27:58 vkondra-mobl kernel: EFLAGS: 00010246   (2.6.23 #5)
> Oct 20 10:27:58 vkondra-mobl kernel: EIP is at snd_ctl_dev_disconnect+0x4b/0x7c
> [snd]
> Oct 20 10:27:58 vkondra-mobl kernel: eax: de799fa0   ebx: 00100100   ecx:
> 00020004   edx: 0000001d
> Oct 20 10:27:58 vkondra-mobl kernel: esi: d34b0600   edi: d34b074c   ebp:
> eb40b000   esp: c1a93e14
> Oct 20 10:27:58 vkondra-mobl kernel: ds: 007b   es: 007b   fs: 0000  gs: 0000 
> ss: 0068
> Oct 20 10:27:58 vkondra-mobl kernel: Process khubd (pid: 857, ti=c1a92000
> task=f7d8cf90 task.ti=c1a92000)
> Oct 20 10:27:58 vkondra-mobl kernel: Stack: 00000000 d6452000 d34b0600 00000000
> f89a2be0 d739fe5c d6452000 d34b0600
> Oct 20 10:27:58 vkondra-mobl kernel:        f89a2e0f 00000000 d34b0600 f8df9340
> f899fc93 c02873a7 f884b963 d739fe00
> Oct 20 10:27:58 vkondra-mobl kernel:        de5eeec0 f8dea626 d34b0600 d739fe00
> d739fe1c f8df9340 eb40b000 f884c60a
> Oct 20 10:27:58 vkondra-mobl kernel: Call Trace:
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f89a2be0>]
> snd_device_disconnect+0x28/0x60 [snd]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f89a2e0f>]
> snd_device_disconnect_all+0x19/0x3e [snd]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f899fc93>]
> snd_card_disconnect+0x170/0x194 [snd]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c02873a7>] klist_release+0x0/0x30
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f884b963>]
> usb_autopm_do_device+0xc7/0xd1 [usbcore]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f8dea626>]
> usb_audio_disconnect+0x44/0xea [snd_usb_audio]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f884c60a>]
> usb_unbind_interface+0x44/0x94 [usbcore]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c0213497>]
> __device_release_driver+0x6e/0x8b
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c0213801>]
> device_release_driver+0x1d/0x32
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c0212eaa>] bus_remove_device+0x5b/0x69
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c0211a09>] device_del+0x194/0x205
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f8849bf8>]
> usb_disable_device+0xdd/0x144 [usbcore]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f884540b>] usb_disconnect+0xbe/0x160
> [usbcore]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f88453d5>] usb_disconnect+0x88/0x160
> [usbcore]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f8846517>] hub_thread+0x5ea/0xe8e
> [usbcore]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c0124e3b>]
> autoremove_wake_function+0x0/0x35
> Oct 20 10:27:58 vkondra-mobl kernel:  [<f8845f2d>] hub_thread+0x0/0xe8e
> [usbcore]
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c0124d82>] kthread+0x36/0x5c
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c0124d4c>] kthread+0x0/0x5c
> Oct 20 10:27:58 vkondra-mobl kernel:  [<c01040f3>]
> kernel_thread_helper+0x7/0x10
> Oct 20 10:27:58 vkondra-mobl kernel:  =======================
> Oct 20 10:27:58 vkondra-mobl kernel: Code: 18 b9 01 00 00 00 ba 03 00 00 00 c7
> 04 24 00 00 00 00 e8 5a 16 77 c7 8d 43 20 b9 04 00 02 00 ba 1d 00 00 00 e8 33
> 04 7c c7
> 8b 1b <8b> 03 0f 18 00 90 8d 86 68 01 00 00 39 c3 75 c3 89 f8 e8 25 6f
> Oct 20 10:27:58 vkondra-mobl kernel: EIP: [<f89a108a>]
> snd_ctl_dev_disconnect+0x4b/0x7c [snd] SS:ESP 0068:c1a93e14
> 
> 

Seems that khubd oopsed inside ALSA code.

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