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From: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
To: tytso@mit.edu
Cc: linux-fsdevel@vger.kernel.org
Subject: Warning: at __alloc_pages_nodemask+0x3e0/0xa9c with ext4
Date: Tue, 21 Feb 2012 15:37:33 +0530	[thread overview]
Message-ID: <4F436CE5.60803@linux.vnet.ibm.com> (raw)

Hello,

I am trying with 'fsfuzzer - file system fuzzer' on 's390' architecture 
and got the following warning:

[ 1469.422770] ------------[ cut here ]------------
  [ 1469.422777] WARNING: at 
/home/autobuild/BUILD/linux-3.2.4-20120207/mm/page_alloc.c:2096
  [ 1469.422780] Modules linked in: loop qeth_l3 vmur qeth ccwgroup ipv6 
autofs4 [last unloaded: scsi_wait_scan]
  [ 1469.422792] Modules linked in: loop qeth_l3 vmur qeth ccwgroup ipv6 
autofs4 [last unloaded: scsi_wait_scan]
  [ 1469.422805] CPU: 1 Not tainted 3.2.4-52.x.20120207-s390xdefault #1
  [ 1469.422808] Process mount (pid: 22845, task: 00000000355fca50, ksp: 
0000000035e37860)
  [ 1469.422811] Krnl PSW : 0704100180000000 000000000021256c 
(__alloc_pages_nodemask+0x3e0/0xa9c)
  [ 1469.422822]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 
CC:1 PM:0 EA:3
  [ 1469.422826] Krnl GPRS: 0000000000007500 00000000014b9254 
0000000000000000 0000000000000001
  [ 1469.422829]            0000000000212374 0000000035e378b0 
000000000096ef00 0000000000000000
  [ 1469.422832]            0000000000970400 0000000000000000 
000000000000000a 000000000000c0d0
  [ 1469.422836]            0000000000000001 000000000063b050 
0000000000212374 0000000035e37878
  [ 1469.422848] Krnl Code: 0000000000212560: 95011000           cli     
0(%r1),1
  [ 1469.422852]            0000000000212564: a784ff0c           brc     
8,21237c
  [ 1469.422856]           #0000000000212568: a7f40001           brc     
15,21256a
  [ 1469.422861] >000000000021256c: 92011000           mvi     0(%r1),1
  [ 1469.422865]            0000000000212570: a7f4ff06           brc     
15,21237c
  [ 1469.422868]            0000000000212574: a7f40001           brc     
15,212576
  [ 1469.422872]            0000000000212578: a7f4fe33           brc     
15,2121de
  [ 1469.422876]            000000000021257c: a7180020           lhi     
%r1,32
  [ 1469.422880] Call Trace:
  [ 1469.422882] ([<0000000000212374>] __alloc_pages_nodemask+0x1e8/0xa9c)
  [ 1469.422886]  [<0000000000212c62>] __get_free_pages+0x3a/0x78
  [ 1469.422890]  [<000000000025e81c>] kmalloc_order_trace+0x4c/0x198
  [ 1469.422895]  [<0000000000263008>] __kmalloc+0x37c/0x40c
  [ 1469.422899]  [<00000000003648a6>] ext4_kvzalloc+0x32/0x68
  [ 1469.422905]  [<000000000036a010>] ext4_fill_super+0x1884/0x2ebc
  [ 1469.422910]  [<0000000000279984>] mount_bdev+0x1dc/0x214
  [ 1469.422915]  [<0000000000356240>] ext4_mount+0x28/0x38
  [ 1469.422919]  [<000000000027a69a>] mount_fs+0x5a/0x184
  [ 1469.422922]  [<0000000000299da6>] vfs_kern_mount+0x66/0xe0
  [ 1469.423015]  [<000000000029c062>] do_kern_mount+0x52/0x114
  [ 1469.423023]  [<000000000029dda2>] do_mount+0x2de/0x818
  [ 1469.423029]  [<000000000029e7aa>] SyS_mount+0xa2/0xf0
  [ 1469.423036]  [<0000000000621bb4>] sysc_noemu+0x22/0x28
  [ 1469.423044]  [<000003fffd2789ba>] 0x3fffd2789ba
  [ 1469.423053] 1 lock held by mount/22845:
  [ 1469.423056]  #0:  (&type->s_umount_key#35/1){+.+.+.}, at: 
[<0000000000279398>] sget+0x31c/0x650
  [ 1469.423077] Last Breaking-Event-Address:
  [ 1469.423080]  [<0000000000212568>] __alloc_pages_nodemask+0x3dc/0xa9c
  [ 1469.423088] ---[ end trace c14e2e3b807091a4 ]---


Environment:
Architecture: s390 (64-bit)
Kernel: 3.2.4
Please let me know if you need more information.

Regards
R.Nageswara Sastry


             reply	other threads:[~2012-02-21 10:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-21 10:07 Nageswara R Sastry [this message]
2012-02-21 12:31 ` Warning: at __alloc_pages_nodemask+0x3e0/0xa9c with ext4 Ted Ts'o
2012-02-22  5:35   ` Nageswara R Sastry

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