From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 14287] New: ext4: fixpoint divide exception at ext4_fill_super
Date: Thu, 1 Oct 2009 05:58:35 GMT [thread overview]
Message-ID: <bug-14287-13602@http.bugzilla.kernel.org/> (raw)
http://bugzilla.kernel.org/show_bug.cgi?id=14287
Summary: ext4: fixpoint divide exception at ext4_fill_super
Product: File System
Version: 2.5
Kernel Version: 2.6.32-rc1, 2.6.31
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ext4
AssignedTo: fs_ext4@kernel-bugs.osdl.org
ReportedBy: rnsastry@linux.vnet.ibm.com
Regression: No
Found kernel bug - fixpoint divide exception
While working with fsfuzzer
Environment: 2.6.31 and 2.6.32-rc1
Architecture: s390 and ppc64
------------[ cut here ]------------
Kernel BUG at 000003e00429d934 [verbose debug info unavailable]
fixpoint divide exception: 0009 [#1] SMP
Modules linked in: ext4 jbd2 crc16 loop autofs4 lockd sunrpc ipv6 qeth_l2 qeth
q
dio vmur ccwgroup dm_round_robin dm_multipath scsi_dh sd_mod scsi_mod multipath
dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod dasd_fba_mod
dasd_eck
d_mod dasd_mod ext3 jbd
CPU: 2 Not tainted 2.6.31-rc6 #1
Process mount (pid: 2675, task: 000000003ed06038, ksp: 0000000036217920)
Krnl PSW : 0704200180000000 000003e00429d934 (ext4_fill_super+0x1478/0x2908
[ext
4])
R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3
Krnl GPRS: 0000000000000100 0000000000000100 0000000000000006 000000002fc61800
0000000000000000 0000000000000100 000000002fc61800 000000002fc61800
000000003143a800 00000000000000e0 0000000000000000 000000003eb0d800
000003e00427c000 000003e0042b8958 000003e00429d87c 0000000036217b10
Krnl Code: 000003e00429d928: b9160050 llgfr %r5,%r0
000003e00429d92c: a7490000 lghi %r4,0
000003e00429d930: b987004a dlgr %r4,%r10
>000003e00429d934: b91600a5 llgfr %r10,%r5
000003e00429d938: a53f80d0 llill %r3,32976
000003e00429d93c: a7ad000c mghi %r10,12
000003e00429d940: b904002a lgr %r2,%r10
000003e00429d944: 1895 lr %r9,%r5
Call Trace:
([<000003e00429d87c>] ext4_fill_super+0x13c0/0x2908 [ext4])
[<00000000000f46f2>] get_sb_bdev+0x13e/0x19c
[<000003e00429230e>] ext4_get_sb+0x2e/0x40 [ext4]
[<00000000000f3f98>] vfs_kern_mount+0xc0/0x168
[<00000000000f40ac>] do_kern_mount+0x58/0x114
[<000000000010e558>] do_mount+0x798/0x830
[<000000000010e6a0>] SyS_mount+0xb0/0x100
[<00000000000266be>] sysc_noemu+0x10/0x16
[<0000004e53f234e2>] 0x4e53f234e2
Last Breaking-Event-Address:
[<000003e00429d8d8>] ext4_fill_super+0x141c/0x2908 [ext4]
---[ end trace b5563edf9c0c9b52 ]---
2.6.32-rc1 stack trace
------------[ cut here ]------------
Kernel BUG at 000003e0024d6b52 [verbose debug info unavailable]
fixpoint divide exception: 0009 [#1] SMP
Modules linked in: ext4 jbd2 crc16 autofs4 lockd sunrpc ipv6 loop qeth_l2 qeth
vmur qdio ccwgroup dm_round_robin dm_multipath scsi_dh sd_mod scsi_mod
multipath dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod
dasd_fba_mod dasd_eckd_mod dasd_mod ext3 jbd
CPU: 2 Not tainted 2.6.32-rc2 #1
Process mount (pid: 2752, task: 00000000233e47c0, ksp: 00000000233a3910)
Krnl PSW : 0704200180000000 000003e0024d6b52 (ext4_fill_super+0x1506/0x29c0
[ext4])
R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3
Krnl GPRS: 0000000e00000100 0000000000000100 0000000000000006 00000000200ad000
0000000000000000 0000000000000100 00000000200ad000 00000000200ad000
00000000200ae000 000000001ab6d800 0000000000000000 00000000000000e0
000003e0024b3000 000003e0024f2d28 000003e0024d6ab8 00000000233a3b00
Krnl Code: 000003e0024d6b46: b9160050 llgfr %r5,%r0
000003e0024d6b4a: a7490000 lghi %r4,0
000003e0024d6b4e: b987004a dlgr %r4,%r10
>000003e0024d6b52: b91600b5 llgfr %r11,%r5
000003e0024d6b56: a53f80d0 llill %r3,32976
000003e0024d6b5a: a7bd000c mghi %r11,12
000003e0024d6b5e: b904002b lgr %r2,%r11
000003e0024d6b62: 18a5 lr %r10,%r5
Call Trace:
([<000003e0024d6ab8>] ext4_fill_super+0x146c/0x29c0 [ext4])
[<0000000000111ed8>] get_sb_bdev+0x158/0x1b4
[<000003e0024cbe16>] ext4_get_sb+0x2e/0x40 [ext4]
[<00000000001119ac>] vfs_kern_mount+0xc0/0x19c
[<0000000000111af4>] do_kern_mount+0x58/0x114
[<000000000012d760>] do_mount+0x7b4/0x84c
[<000000000012d89c>] SyS_mount+0xa4/0xec
[<0000000000027f5a>] sysc_tracego+0xe/0x14
[<0000004e53f234e2>] 0x4e53f234e2
Last Breaking-Event-Address:
[<000003e0024d6afa>] ext4_fill_super+0x14ae/0x29c0 [ext4]
---[ end trace b8c3330dd3812f17 ]---
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next reply other threads:[~2009-10-01 5:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-01 5:58 bugzilla-daemon [this message]
2009-10-01 5:59 ` [Bug 14287] ext4: fixpoint divide exception at ext4_fill_super bugzilla-daemon
2009-10-01 6:01 ` bugzilla-daemon
2009-10-16 12:29 ` bugzilla-daemon
2009-10-16 23:41 ` bugzilla-daemon
2009-11-04 12:54 ` bugzilla-daemon
2009-11-04 14:05 ` bugzilla-daemon
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