lkml.org 
[lkml]   [2007]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.6.22-rc1-mm1: evm BUG when reading sysfs file
    On Tue, 22 May 2007 03:25:48 -0400
    jfannin@gmail.com (Joseph Fannin) wrote:

    > On Tue, May 15, 2007 at 08:19:14PM -0700, Andrew Morton wrote:
    > >
    > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc1/2.6.22-rc1-mm1/
    >
    > 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
    >
    > This comes a bit after IMA bails out successfully, if that's relevant:
    >
    > [ 1.708761] ima (ima_init): No TPM chip found(rc = -19), activating
    > TPM-bypass!

    OK, thanks. Does the crash go away if you disable IMA, SLIM, etc in .config?

    I think I'll drop all those patches, actually - they don't seem to be going
    anywhere.

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-05-22 23:27    [W:5.530 / U:0.016 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site