Re: 2.6.18-rc6-mm1

Michal Piotrowski
2006-09-08T20:01:45Z

On 08/09/06, Andrew Morton <akpm@osdl.org> wrote:
> On Fri, 08 Sep 2006 21:23:10 +0200
> Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:
>
> > Hi,
> >
> > Andrew Morton wrote:
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc6/2.6.18-rc6-mm1/
> > >
> > > - autofs4 mounting of NFS is still sick.
> >
> > BUG: unable to handle kernel paging request at virtual address fdb52df8
> > printing eip:
> > c013894c
> > *pde = 37c85067
> > *pte = 00000000
> > Oops: 0000 [#1]
> > 4K_STACKS PREEMPT SMP
> > last sysfs file: /devices/platform/i2c-9191/9191-0290/temp2_input
> > Modules linked in: ipv6 af_packet ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack
> > nfnetlink xt_tcpudp iptable_filter ip_tables x_tables cpufreq_userspace p4_clockmod speedstep_lib binfmt_misc thermal proces
> > sor fan container evdev snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_se
> > q_device sk98lin snd_pcm_oss snd_mixer_oss snd_pcm skge snd_timer snd soundcore snd_page_alloc ide_cd i2c_i801 iTCO_wdt inte
> > l_agp cdrom agpgart rtc unix
> > CPU: 0
> > EIP: 0060:[<c013894c>] Not tainted VLI
> > EFLAGS: 00210212 (2.6.18-rc6-mm1 #115)
> > EIP is at __module_text_address+0xf/0x5c
> > eax: fdb54000 ebx: fdb67c04 ecx: f7c10000 edx: fdb52d00
> > esi: 000000fa edi: f7c10f9c ebp: 00000005 esp: f7c10e68
> > ds: 007b es: 007b ss: 0068
> > Process udevd (pid: 20250, ti=f7c10000 task=f7c21000 task.ti=f7c10000)
> > Stack: f7c10000 c5f36030 c012fb6c f7c10000 c014f61b c0341710 000284d0 00000010
> > f7c21000 00000002 f7c10000 00200202 f57ce3c0 f52a8bfc f57ce3c0 f76a6ca4
> > f4a3c800 c01575e4 f52a8bfc f7d31ec0 f76a6ca4 80010000 c015894c f76a6ca4
> > Call Trace:
> > [<c012fb6c>] __kernel_text_address+0x18/0x23
> > [<c014f61b>] __alloc_pages+0x301/0x313
> > [<c01575e4>] __pte_alloc+0xf/0x78
> > [<c015894c>] copy_page_range+0x139/0x3dd
> > [<c011e67b>] copy_process+0xc1e/0x13cf
> > [<c011f001>] do_fork+0xb6/0x1d2
> > [<c017cdfa>] mntput_no_expire+0x11/0x81
> > [<c010122e>] sys_clone+0x28/0x2d
> > [<c0102fc6>] sysenter_past_esp+0x5f/0x85
> > [<c0110033>] wakeup_pmode_return+0x33/0x55
> > =======================
> > Code: 31 c0 5b 5e 5f 5d c3 83 01 01 83 51 04 00 8b 12 31 c0 81 fa 10 eb 33 c0 0f 45 c2 c3 5
> > 6 53 89 c1 8b 15 10 eb 33 c0 83 ea 04 eb 20 <8b> b2 f8 00 00 00 8b 82 e8 00 00 00 39 c1 72 23 01 f0 39 c1 73
> > Sep 8 20:23:34 euridica kernel: EIP: [<c013894c>] __module_text_address+0xf/0x5c SS:ESP 0068:f7c10e68
>
> boggle. Your modules list seems to have got trashed.
>
> Presumably setting CONFIG_PAGE_OWNER=n will make that go away.
>
> What were you doing when this happened?

It appeared during reboot.

> That output is not present in
> http://www.stardust.webpages.pl/files/mm/2.6.18-rc6-mm1/mm-dmesg

This dmesg log is from second bug.

>
> > config file -> http://www.stardust.webpages.pl/files/mm/2.6.18-rc6-mm1/mm-config
> > Unfortunately, this kernel was build without debugging symbols. I'll try to reproduce this oops with CONFIG_DEBUG_*=y.
> >

Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/)