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SubjectRe: OOPS in 2.6.13-rc1-mm1 -- EIP is at sysfs_release+0x49/0xb0
Miles Lane <miles.lane@gmail.com> wrote:
>
> mtrr: base(0xe8020000) is not aligned on a size(0x3c0000) boundary
> [drm:drm_unlock] *ERROR* Process 4470 using kernel context 0
> mtrr: 0xe8000000,0x8000000 overlaps existing 0xe8000000,0x1000000
> Unable to handle kernel paging request at virtual address 5f78735f
> printing eip:
> c01abbf9
> *pde = 00000000
> Oops: 0002 [#1]
> PREEMPT
> Modules linked in: pcmcia container ipv6 af_packet ohci1394
> yenta_socket rsrc_nonstatic pcmcia_core ipw2200 ieee80211
> ieee80211_crypt 8139too mii snd_intel8x0 snd_ac97_codec snd_pcm_oss
> snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc ehci_hcd
> uhci_hcd usbcore rtc nls_cp437 sbp2 scsi_mod ieee1394 psmouse ide_cd
> cdrom
> CPU: 0
> EIP: 0060:[<c01abbf9>] Not tainted VLI
> EFLAGS: 00010246 (2.6.13-rc1-mm1)
> EIP is at sysfs_release+0x49/0xb0
> eax: 5f78725f ebx: 5f78725f ecx: 00000001 edx: f7662000
> esi: c19520a4 edi: f70b8a80 ebp: f7663f3c esp: f7663f2c
> ds: 007b es: 007b ss: 0068
> Process hald (pid: 4736, threadinfo=f7662000 task=f7c97a80)
> Stack: c19520a4 00000010 f70d2d80 f7703174 f7663f68 c0169a5a f7703174 f70d2d80
> 00000000 00000000 c1894180 f7715c8c f70d2d80 c1bcd900 00000000 f7663f78
> c016985a f70d2d80 f70d2d80 f7663f94 c0167dcb f70d2d80 c1bcd900 00000010
> Call Trace:
> [<c010415f>] show_stack+0x7f/0xa0
> [<c0104314>] show_registers+0x164/0x1d0
> [<c010452d>] die+0xed/0x180
> [<c0119314>] do_page_fault+0x344/0x68d
> [<c0103d6f>] error_code+0x4f/0x54
> [<c0169a5a>] __fput+0x1da/0x1f0
> [<c016985a>] fput+0x2a/0x50
> [<c0167dcb>] filp_close+0x4b/0x80
> [<c0167e7a>] sys_close+0x7a/0xb0
> [<c010326b>] sysenter_past_esp+0x54/0x75

It's irritating that when some driver screws up its sysfs handling, the
trace leaves no indication which driver it was.

One thing you could do is to disable `hald' (what is that anyway?) by
renaming it and try to get the system to boot. Then run `hald' by hand,
under strace, work out which sysfs file it was trying to close.
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