On Fri, May 25, 2007 at 10:28:22PM -0400, Reiner Sailer wrote:
> On Tue, 22 May 2007 03:25:48 -0400
> [email protected] (Joseph Fannin) wrote:
>
> > I've been getting this since 2.6.21-rc7-mm1:
> > [ 2.379310] BUG: unable to handle kernel paging request at virtual address 4400d340
> > [ 2.379491] printing eip:
> > [ 2.379573] c021c978
> > [ 2.379656] *pdpt = 000000000353c001
> > [ 2.379739] *pde = 0000000000000000
> > [ 2.379824] Oops: 0000 [#1]
> > [ 2.379906] PREEMPT SMP
> > [ 2.380059] Modules linked in: thermal processor dm_mod
> > [ 2.380288] CPU: 0
> > [ 2.380289] EIP: 0060:[<c021c978>] Not tainted VLI
> > [ 2.380291] EFLAGS: 00010297 (2.6.22-rc1-mm1 #2)
> > [ 2.380547] EIP is at vsnprintf+0x448/0x5d0
> > [ 2.380633] eax: 4400d340 ebx: c348f034 ecx: 4400d340 edx: fffffffe
> > [ 2.380721] esi: c03e0100 edi: 4400d340 ebp: c357ecc0 esp: c357ec68
> > [ 2.380810] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
> > [ 2.380898] Process udevtrigger (pid: 686, ti=c357e000 task=c1876df0 task.ti=c357e000)
> > [ 2.380987] Stack: c348f014 00000fec c03e1c60 c03e3cec c357eccc c0499b88 c357ece0 c0282513
> > [ 2.381428] c348f014 00000fec 3cb70fcb c348f034 ffffffff 00000000 ffffffff ffffffff
> > [ 2.381867] ffffffff fffffffe c03e017c c357ed18 00000034 c0494a20 c357ece0 c021cb9f
> > [ 2.382305] Call Trace:
> > [ 2.382470] [<c021cb9f>] sprintf+0x1f/0x30
> > [ 2.382594] [<c02815ed>] show_uevent+0xed/0x130
> > [ 2.382720] [<c0281163>] dev_attr_show+0x23/0x30
> > [ 2.382843] [<c01dc077>] sysfs_read_file+0x97/0x140
> > [ 2.382968] [<c019502f>] vfs_read+0xaf/0x180
> > [ 2.383096] [<c0198c3a>] kernel_read+0x3a/0x50
> > [ 2.383221] [<c01f126c>] evm_calc_hash+0x11c/0x240
> > [ 2.383347] [<c01efd39>] evm_file_free+0xb9/0x330
> > [ 2.383470] [<c0195a3a>] __fput+0xba/0x180
> > [ 2.383593] [<c0195c32>] fput+0x22/0x40
> > [ 2.383715] [<c0192e07>] filp_close+0x47/0x70
> > [ 2.383839] [<c0194109>] sys_close+0x69/0xc0
> > [ 2.383965] [<c01043c8>] syscall_call+0x7/0xb
> > [ 2.384092] [<b7ebd0a7>] 0xb7ebd0a7
> > [ 2.384212] =======================
> > [ 2.384295] INFO: lockdep is turned off.
> > [ 2.384379] Code: 21 fd ff ff c6 03 25 e9 19 fd ff ff 8d 4f 04 b8
> > 3b a2 3d c0 8b 55 e4 89 4d 08 8b 3f 81 ff ff 0f 00 00 0f 46 f8 89 f9
> > 89 c8 eb 06 <80> 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 89 c6 8b 45 e0
> > f6 45
> > [ 2.386787] EIP: [<c021c978>] vsnprintf+0x448/0x5d0 SS:ESP
> > 0068:c357ec68
>
> Joseph,
>
> thank you for posting this problem. I cannot reconstruct it on my machine.
>
> Could you tell us which kernel configuration you used (drivers/char/tpm
> and security settings) ?
> Does it disappear when IMA is disabled in the kernel config?
I've found that disabling CONFIG_SYSFS_DEPRECATED makes the
BUG message go away; maybe that's what you're missing?
I've also attached my .config -- but it has lots of stuff turned
on, so it may be faster to try flipping CONFIG_SYSFS_DEPRECATED on a
slimmer config, if you'd like.
Disabling IMA doesn't change the message; it's still there.
Thanks!
--
Joseph Fannin
[email protected]
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