Re: [Bugme-new] [Bug 8521] New: PocketPC happens to OOPS

On Tue, 22 May 2007 07:11:56 -0700
[email protected] wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=8521
> 
>            Summary: PocketPC happens to OOPS
>     Kernel Version: ubuntu 2.6.20-15
>             Status: NEW
>           Severity: high
>              Owner: [email protected]
>          Submitter: [email protected]
>                 CC: [email protected]
> 
> 
> I have a PocketPC(dopda-p800) connectted with my pc by USB line, ubuntu-7.04 is
> running on my pc. when I use gpilotd to sync ppc and pc, kernel happens to painc.
> dmesg shows below:
> [ 2630.388000] usb 2-5: new full speed USB device using ohci_hcd and address 3
> [ 2630.612000] usb 2-5: configuration #1 chosen from 1 choice
> [ 2630.748000] usbcore: registered new interface driver usbserial
> [ 2630.752000] drivers/usb/serial/usb-serial.c: USB Serial support registered
> for generic
> [ 2630.752000] usbcore: registered new interface driver usbserial_generic
> [ 2630.752000] drivers/usb/serial/usb-serial.c: USB Serial Driver core
> [ 2630.760000] drivers/usb/serial/usb-serial.c: USB Serial support registered
> for PocketPC PDA
> [ 2630.760000] drivers/usb/serial/ipaq.c: USB PocketPC PDA driver v0.5
> [ 2630.760000] ipaq 2-5:1.0: PocketPC PDA converter detected
> [ 2630.764000] usb 2-5: PocketPC PDA converter now attached to ttyUSB0
> [ 2630.764000] ipaq 2-5:1.1: PocketPC PDA converter detected
> [ 2630.768000] usb 2-5: PocketPC PDA converter now attached to ttyUSB1
> [ 2630.768000] usbcore: registered new interface driver ipaq
> [ 2695.236000] BUG: unable to handle kernel NULL pointer dereference at virtual
> address 00000030
> [ 2695.236000]  printing eip:
> [ 2695.236000] f8cb4ba4
> [ 2695.236000] *pde = 00000000
> [ 2695.236000] Oops: 0002 [#1]
> [ 2695.236000] SMP 
> [ 2695.236000] Modules linked in: ipaq usbserial binfmt_misc powernow_k8
> cpufreq_powersave cpufreq_ondemand cpufreq_userspace cpufreq_conservative
> cpufreq_stats freq_table sony_acpi pcc_acpi tc1100_wmi dev_acpi battery
> asus_acpi container video backlight ac sbs i2c_ec button dock af_packet
> nls_iso8859_1 nls_cp437 vfat fat ntfs lp fuse snd_hda_intel snd_hda_codec
> snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi
> snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device nvidia(P)
> serio_raw parport_pc parport agpgart snd soundcore snd_page_alloc pcspkr
> i2c_nforce2 i2c_core psmouse k8temp shpchp pci_hotplug tsdev evdev ipv6 ext3 jbd
> mbcache sg sd_mod ide_cd cdrom ata_generic usbhid hid sata_nv forcedeth ohci_hcd
> ehci_hcd usbcore amd74xx libata scsi_mod generic thermal processor fan fbcon
> tileblit font bitblit softcursor vesafb capability commoncap
> [ 2695.236000] CPU:    1
> [ 2695.236000] EIP:    0060:[<f8cb4ba4>]    Tainted: P      VLI
> [ 2695.236000] EFLAGS: 00010286   (2.6.20-15-generic #2)
> [ 2695.236000] EIP is at ipaq_open+0x1e4/0x340 [ipaq]
> [ 2695.236000] eax: da9c9000   ebx: 00000100   ecx: dfc5ae00   edx: 00000000
> [ 2695.236000] esi: dbab9b60   edi: f7fa94f4   ebp: f7fa94e0   esp: ddf53e60
> [ 2695.236000] ds: 007b   es: 007b   ss: 0068
> [ 2695.236000] Process gpilotd (pid: 5782, ti=ddf52000 task=e2678030
> task.ti=ddf52000)
> [ 2695.236000] Stack: f4f8f000 f7814800 00000292 c0234257 00000000 c0234eab
> dfc5ae00 d3eb3a80 
> [ 2695.236000]        00000064 dfc5ae00 d3eb3a80 f4f8f000 dfc5ae0c f8d5b1dc
> c0234114 f78149c0 
> [ 2695.236000]        d6a6b7f8 db77c740 ffffffed 00000000 0bc00000 db77c740
> 00000100 c0237c87 
> [ 2695.236000] Call Trace:
> [ 2695.236000]  [<c0234257>] tty_ldisc_enable+0x27/0x30
> [ 2695.236000]  [<c0234eab>] init_dev+0x24b/0x5e0
> [ 2695.236000]  [<f8d5b1dc>] serial_open+0x10c/0x160 [usbserial]
> [ 2695.236000]  [<c0234114>] check_tty_count+0x14/0xb0
> [ 2695.236000]  [<c0237c87>] tty_open+0x147/0x2f0
> [ 2695.236000]  [<c0237b40>] tty_open+0x0/0x2f0
> [ 2695.236000]  [<c0179448>] chrdev_open+0xa8/0x170
> [ 2695.236000]  [<c01793a0>] chrdev_open+0x0/0x170
> [ 2695.236000]  [<c0174c9a>] __dentry_open+0xba/0x1c0
> [ 2695.236000]  [<c0174e55>] nameidata_to_filp+0x35/0x40
> [ 2695.236000]  [<c0174eb0>] do_filp_open+0x50/0x60
> [ 2695.236000]  [<c0174f0e>] do_sys_open+0x4e/0xf0
> [ 2695.236000]  [<c0174fec>] sys_open+0x1c/0x20
> [ 2695.236000]  [<c01031f0>] sysenter_past_esp+0x69/0xa9
> [ 2695.236000]  =======================
> [ 2695.236000] Code: ff a1 98 94 3a c0 ba d0 00 00 00 e8 f7 df 4b c7 8b 4c 24 18
> 85 c0 89 41 4c 0f 84 26 01 00 00 8b 44 24 18 89 c1 8b 50 44 8b 40 3c <89> 42 30
> 8b 41 4c 8b 51 54 89 42 30 8b 41 44 c7 40 38 00 10 00 
> [ 2695.236000] EIP: [<f8cb4ba4>] ipaq_open+0x1e4/0x340 [ipaq] SS:ESP 0068:ddf53e60
> [ 2695.236000]
> 

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