Re: [BUG] Oops: EIP is at sysfs_release+0x34/0x80

[Dave Airlie <airlied@gmail.com>]

> >>
> >>
> >>>EIP is at sysfs_release+0x34/0x80
> >>>eax: 00000001   ebx: dc7c2000   ecx: d1979860   edx: 00000001
> >>>esi: 762f7373   edi: d5ba26a0   ebp: d9368544   esp: dc7c3f80
> >>>ds: 007b   es: 007b   ss: 0068
> >>>Process udev (pid: 31802, threadinfo=dc7c2000 task=c7c19040)
> >>>Stack: df468c40 df798140 dffe4140 c0153c08 d5a9edbc df468c40 df798140
> >>>00000000
> >>>        dc7c2000 c01523d3 00000000 00000003 080ac568 00000003 c0103101
> >>>00000003
> >>>        080ac568 00000004 080ac568 00000003 08057198 00000006 0000007b
> >>>0000007b
> >>>Call Trace:
> >>>  [<c0153c08>] __fput+0xf8/0x110
> >>>  [<c01523d3>] filp_close+0x43/0x70
> >>>  [<c0103101>] syscall_call+0x7/0xb
> >>>Code: 8b 41 0c 8b 40 48 8b 58 14 8b 41 48 8b 40 14 85 db 8b 70 04 74 07
> >>>89 d8 e8 9a 11 02 00 85 f6 74 1f bb 00 e0 ff ff 21 e3 ff 43 14 <ff> 8e
> >>>00 01 00 00 83 3e 02 74 32 8b 43 08 ff 4b 14 a8 08 75 21
> >>>  <6>note: udev[31802] exited with preempt_count 1
> >>>
> >>>
> >>Gee we get a lot of these, and no idea which sysfs file caused it.
> >>
> >>How about we record the most-recently-opened sysfs file and display that at
> >>oops time?  (-mm only)
> >>

> >
> >Looks good to me, I really have no idea of what is causing this, and
> >haven't seen any reports of this on mainline.
> >
> >thanks,
> >
> >greg k-h
> >
> >
> >
> Actually, I'm running a kernel straight from Linus' GIT repository.
> EFLAGS: 00010202   (2.6.13-rc2-GIT-08-7-2005-0)
> 

I can't reproduce (nothing new there...) if you can test with  the
patch Andrew suggested, and let us know what occurs.. I thought this
was DRM related from another report but maybe he just had two bugs
(one DRM related misconfiguration, and something else)..

Dave.