linux-kernel - Re: Kernel oops report

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Message-ID: <9a8748490708100618m4a2480d5k2dc39035f6843051@mail.gmail.com>
Date:	Fri, 10 Aug 2007 15:18:41 +0200
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	"Sinisa Segvic" <sinisa.segvic@...raz.at>
Cc:	linux-kernel@...r.kernel.org, Netdev <netdev@...r.kernel.org>
Subject: Re: Kernel oops report

(this one looks like it should go to netdev as well - added to Cc)

On 10/08/07, Sinisa Segvic <sinisa.segvic@...raz.at> wrote:
> Hi,
>
> I've just got a kernel oops.
>
> http://lxr.linux.no/source/Documentation/oops-tracing.txt
> seems to suggest that oops reports are welcome at this address.
>
> Cheers,
>
> Sinisa
>
> $ uname -a
> Linux PCs129.EMT.tugraz.at 2.6.20-16-386 #2 Thu Jun 7 20:16:13 UTC
> 2007 i686 GNU/Linux
>
>
>
> [326735.692443] BUG: unable to handle kernel NULL pointer dereference
> at virtual address 0000001b
> [326735.692454]  printing eip:
> [326735.692457] c015f581
> [326735.692458] *pde = 00000000
> [326735.692463] Oops: 0000 [#1]
> [326735.692466] Modules linked in: nls_cp437 isofs udf binfmt_misc
> rfcomm l2cap bluetooth nfs lockd sunrpc xt_limit xt_tcpudp
> iptable_mangle ipt_LOG ipt_MASQUERADE nf_nat ipt_TOS ipt_REJECT
> nf_conntrack_irc nf_conntrack_ftp nf_conntrack_ipv4 xt_state
> nf_conntrack nfnetlink iptable_filter ip_tables x_tables ppdev radeon
> drm cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_ondemand
> freq_table cpufreq_conservative tc1100_wmi pcc_acpi dev_acpi sony_acpi
> video sbs i2c_ec dock button battery container ac asus_acpi backlight
> ipv6 fuse lp snd_cmipci gameport snd_pcm_oss snd_mixer_oss snd_pcm
> snd_page_alloc snd_opl3_lib snd_hwdep snd_mpu401_uart snd_seq_dummy
> snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event i2c_viapro
> parport_pc parport pcspkr psmouse i2c_core snd_seq snd_timer
> snd_seq_device rtc via_ircc snd irda soundcore crc_ccitt serio_raw
> via_agp agpgart shpchp pci_hotplug af_packet evdev tsdev ext3 jbd
> mbcache ide_cd cdrom ide_disk ata_generic libata scsi_mod via82cxxx
> 8139too floppy 8139cp mii generic ohci1394 ieee1394 ehci_hcd uhci_hcd
> usbcore raid10 raid456 xor raid1 raid0 multipath linear md_mod thermal
> processor fan dm_mod fbcon tileblit font bitblit softcursor vesafb
> capability commoncap
> [326735.692550] CPU:    0
> [326735.692552] EIP:    0060:[<c015f581>]    Not tainted VLI
> [326735.692553] EFLAGS: 00210082   (2.6.20-16-386 #2)
> [326735.692565] EIP is at kfree+0x41/0x80
> [326735.692568] eax: 40000080   ebx: 0000001b   ecx: dfffb3c4   edx: c11ce340
> [326735.692572] esi: ce71ac00   edi: 00200286   ebp: cb2d64a0   esp: d0e4bdd8
> [326735.692575] ds: 007b   es: 007b   ss: 0068
> [326735.692579] Process firefox-bin (pid: 6763, ti=d0e4a000
> task=cf56c590 task.ti=d0e4a000)
> [326735.692582] Stack: cb2d64a0 d0e4bedc d0e4bea0 c02701f8 00000020
> c02d0c4d c026d39d ffffffff
> [326735.692589]        d032bc80 d032bdc0 cb2d64d0 d032bcd4 d0e4bea0
> cf12d8c0 00000020 00000001
> [326735.692596]        00000001 ffffffa1 00000000 d0e4be80 00001302
> 00000000 00000000 00000000
> [326735.692601] Call Trace:
> [326735.692608]  [<c02701f8>] kfree_skbmem+0x8/0x80
> [326735.692619]  [<c02d0c4d>] unix_stream_recvmsg+0x1ad/0x540
> [326735.692627]  [<c026d39d>] sock_alloc_send_skb+0x16d/0x1c0
> [326735.692659]  [<c011fad6>] current_fs_time+0x46/0x50
> [326735.692670]  [<c026a37f>] sock_aio_read+0x11f/0x130
> [326735.692679]  [<c0168f2b>] pipe_write+0x22b/0x470
> [326735.692706]  [<c0162ce5>] do_sync_read+0xd5/0x120
> [326735.692729]  [<c012ded0>] autoremove_wake_function+0x0/0x50
> [326735.692746]  [<c0130a72>] hrtimer_run_queues+0xf2/0x120
> [326735.692754]  [<c02cfb79>] unix_ioctl+0x89/0xc0
> [326735.692771]  [<c016375c>] vfs_read+0x17c/0x190
> [326735.692782]  [<c0163b11>] sys_read+0x41/0x70
> [326735.692793]  [<c0102fc0>] sysenter_past_esp+0x69/0xa9
> [326735.692817]  =======================
> [326735.692819] Code: 05 00 00 00 00 8d 96 00 00 00 40 89 c7 c1 ea 0c
> c1 e2 05 03 15 80 ba 44 c0 8b 02 f6 c4 40 75 2b 8b 02 84 c0 79 37 8b
> 4a 18 8b 19 <8b> 03 3b 43 04 73 1e 89 74 83 10 83 c0 01 89 03 89 f8 50
> 9d 8d
> [326735.692843] EIP: [<c015f581>] kfree+0x41/0x80 SS:ESP 0068:d0e4bdd8
> [326735.692849]
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