Alan Cox <[email protected]> writes:
> Ar Maw, 2006-06-20 am 21:17 +0400, ysgrifennodd Sergei Organov:
>> This is on 2.6.14 kernel though, -- didn't try with more recent kernels
>> as I have other troubles with them on my hardware/distribution.
>>
>> Not a big deal, but you've asked yourself ;)
>
> What does "dmesg" show for the Oops that caused the segfault ?
Didn't think to look at it before, but here it goes:
------------[ cut here ]------------
kernel BUG at drivers/char/mxser.c:998!
invalid operand: 0000 [#1]
SMP
Modules linked in: usbserial nls_iso8859_1 nls_cp437 vfat fat usb_storage nvidia agpgart ipv6 nfs lockd nfs_acl sunrpc sr_mod sbp2 ide_generic ide_disk e1000 eth1394 usbhid ide_cd cdrom sk98lin snd_hda_intel snd_hda_codec skge ohci1394 ieee1394 snd_pcm_oss snd_mixer_oss piix i2c_i801 mxser i2c_core snd_pcm joydev snd_timer snd soundcore snd_page_alloc ehci_hcd uhci_hcd usbcore parport_pc parport serio_raw rtc floppy pcspkr ext3 jbd mbcache sd_mod generic ide_core ata_piix libata scsi_mod evdev mousedev psmouse
CPU: 0
EIP: 0060:[<f8f8d194>] Tainted: P VLI
EFLAGS: 00210246 (2.6.14-2-686-smp)
EIP is at mxser_close+0x224/0x2b0 [mxser]
eax: f8f8cf70 ebx: 00000000 ecx: 00000000 edx: d7603a80
esi: d7603a80 edi: c03088a6 ebp: e8639000 esp: c7165e14
ds: 007b es: 007b ss: 0068
Process cat (pid: 9629, threadinfo=c7164000 task=ec3d2030)
Stack: c022a16e ffffffff d7603a80 00000000 e8639000 00000000 c03088a6 00000000
c0229543 e8639000 d7603a80 00000000 c7165e74 00000000 c0336dcc 00000003
00000000 00000009 00000000 00000003 00200292 e8639000 00000000 d2bd7424
Call Trace:
[<c022a16e>] tty_fasync+0x6e/0x110
[<c0229543>] release_dev+0x163/0x770
[<c0228e79>] init_dev+0x2b9/0x5f0
[<c01dae37>] kobject_get+0x17/0x20
[<c0227557>] check_tty_count+0x47/0xb0
[<c017160e>] cdev_get+0x1e/0xa0
[<c0229cb7>] tty_open+0x167/0x310
[<c017179a>] chrdev_open+0xba/0x1c0
[<c0166082>] __dentry_open+0xd2/0x220
[<c0166263>] filp_open+0x93/0xb0
[<c0166382>] get_unused_fd+0xc2/0xf0
[<c01664c5>] do_sys_open+0x55/0x100
[<c0103115>] syscall_call+0x7/0xb
Code: b7 43 48 66 83 f8 ff 0f 85 9e fe ff ff e9 a5 fe ff ff 90 8d 74 26 00 8b 5c 24 10 8b 74 24 14 8b 7c 24 18 8b 6c 24 1c 83 c4 20 c3 <0f> 0b e6 03 bf 0c f9 f8 e9 02 fe ff ff 8b 4b 04 0f b6 43 4c 8d
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