Re: 2.6.10-rc2-mm3 (oops on AMD64)

From: Rafael J. Wysocki
Date: Mon Nov 22 2004 - 19:31:33 EST


On Monday 22 of November 2004 07:39, Andrew Morton wrote:
>
>
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.10-rc2/2.6.10-rc2-mm3/
>
> - It's time to shut things down for a 2.6.10 release now. I'll do another
> pass through the -mm lineup for things which should go into 2.6.10.
>
> If anyone has patches in -mm which they think should go into 2.6.10 please
> let me know. (particularly ppc/ppc64). The v4l patches certainly look
like
> they need to go in.
>
> - I seem to have accumulated several tens of bug reports, most of which are
> post-2.6.9 and a few of which predate 2.6.9. I'll send out another round
of
> emails regarding that shortly. Please let's focus on these things so we
can
> get a good 2.6.10 out.
>
> - There's a pretty big revamp of the filesystem quota code in here. If you
> use quotas, please test.

I get the following oops from this kernel on AMD64 on system shutdown (I use
quotas ;-)):

Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:
<ffffffff80199628>{invalidate_bdev+56}
PML4 11369067 PGD 16621067 PMD 0
Oops: 0000 [1]
CPU 0
Modules linked in: usbserial parport_pc lp parport ipv6 joydev sg st sd_mod
sr_mod scsi_mod ide_cd cdrom ohci1394 cpufreq_userspace ieee1394d
Pid: 20470, comm: umount Not tainted 2.6.10-rc2-mm3
RIP: 0010:[<ffffffff80199628>] <ffffffff80199628>{invalidate_bdev+56}
RSP: 0018:ffff81001d903e28 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000007 RCX: ffff8100018bbe68
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff81001f0cc388
RBP: 0000000000000008 R08: ffff81001d903e78 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: ffff81001d903ee8 R14: ffff810001ada6d0 R15: ffff810001ada660
FS: 00002aaaaade2700(0000) GS:ffffffff80557580(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000008 CR3: 000000001b91a000 CR4: 00000000000006e0
Process umount (pid: 20470, threadinfo ffff81001d902000, task
ffff81001fc8a8c0)
Stack: 0000000000000001 ffff810001ada4d8 0000000000000002 ffffffff801d9d57
0000000000000001 0000000000000004 0000000000000000 ffff810001ada6f8
0000000000000001 ffffffff00000000
Call Trace:<ffffffff801d9d57>{vfs_quota_off+1223}
<ffffffff801bf52c>{sys_umount+780}
<ffffffff801b5c43>{dput+35} <ffffffff8019749d>{__fput+237}
<ffffffff8019394e>{filp_close+126} <ffffffff80193ad4>{sys_close+356}
<ffffffff8010eba2>{system_call+126}

Code: 49 8b 44 24 08 5b 5d 41 5c 48 8b b8 a0 01 00 00 e9 83 db fd
RIP <ffffffff80199628>{invalidate_bdev+56} RSP <ffff81001d903e28>
CR2: 0000000000000008

Greets,
RJW

--
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
-- Lewis Carroll "Alice's Adventures in Wonderland"
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