From: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-cifs-client@lists.samba.org,
samba-technical@lists.samba.org,
Andy Whitcroft <apw@shadowen.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: Re: 2.6.24-rc8-mm1 Kernel oops on CIFS while running fsstress
Date: Thu, 24 Jan 2008 11:39:55 +0530 [thread overview]
Message-ID: <47982BB3.7090803@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080117023514.9df393cf.akpm@linux-foundation.org>
Hi Andrew,
The machine drops into xmon, while running the fsstress
on the cifs mounted partition.
1:mon> r
R00 = 0000000000000000 R16 = 0000000000000000
R01 = c00000017527f910 R17 = 0000000000000000
R02 = d000000000862258 R18 = 0000000000000000
R03 = 0000000000000001 R19 = 0000000000000000
R04 = 0000000000000001 R20 = c00000013999fcb0
R05 = 0000000000000000 R21 = c00000013c589978
R06 = 0000000000000000 R22 = c00000015a9e6e00
R07 = 0000000000000001 R23 = c0000001786dfdf0
R08 = 0000000000000000 R24 = c00000018b5a7f50
R09 = c00000019012ff08 R25 = c00000017527fc10
R10 = 0000000000000001 R26 = 000000000000477d
R11 = c0000000003d4f90 R27 = c00000013999fcb0
R12 = d0000000008323e8 R28 = c00000017527fc10
R13 = c000000000572380 R29 = c0000001504afdf0
R14 = 0000000000000000 R30 = d000000000860168
R15 = 0000000000000000 R31 = d00000000085a338
pc = d000000000819e04 .find_writable_file+0x8c/0x1c0 [cifs]
lr = d000000000819de0 .find_writable_file+0x68/0x1c0 [cifs]
msr = 8000000000009032 cr = 24000888
ctr = c0000000003d4f90 xer = 0000000000000000 trap = 300
dar = c00000019012ff30 dsisr = 40010000
1:mon> t
[c00000017527f9b0] d00000000081f808 .cifs_setattr+0x178/0xb04 [cifs]
[c00000017527fae0] c0000000001202e4 .notify_change+0x1e0/0x414
[c00000017527fba0] c000000000101e2c .do_truncate+0x74/0xa8
[c00000017527fc80] c000000000102170 .sys_truncate+0x1c8/0x21c
[c00000017527fdb0] c000000000015f2c .compat_sys_truncate64+0x18/0x30
[c00000017527fe30] c000000000008734 syscall_exit+0x0/0x40
--- Exception: c00 (System Call) at 000000000ff2620c
SP (ff87f070) is in userspace
1:mon> e
cpu 0x1: Vector: 300 (Data Access) at [c00000017527f690]
pc: d000000000819e04: .find_writable_file+0x8c/0x1c0 [cifs]
lr: d000000000819de0: .find_writable_file+0x68/0x1c0 [cifs]
sp: c00000017527f910
msr: 8000000000009032
dar: c00000019012ff30
dsisr: 40010000
current = 0xc00000018761f640
paca = 0xc000000000572380
pid = 12920, comm = fsstress
The gdb output
(gdb) p find_writable_file
$1 = {struct cifsFileInfo *(struct cifsInodeInfo *)} 0x19d78 <find_writable_file>
(gdb) p/x 0x19d78+0x68
$3 = 0x19de0
(gdb) l *0x19de0
0x19de0 is in find_writable_file (fs/cifs/file.c:1079).
1074 cERROR(1, ("Null inode passed to cifs_writeable_file"));
1075 dump_stack();
1076 return NULL;
1077 }
1078
1079 read_lock(&GlobalSMBSeslock);
1080 refind_writable:
1081 list_for_each_entry(open_file, &cifs_inode->openFileList, flist) {
1082 if (open_file->closePend)
1083 continue;
(gdb)
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
next prev parent reply other threads:[~2008-01-24 6:10 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-17 10:35 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 12:41 ` 2.6.24-rc8-mm1 Build Failure on S390x Kamalesh Babulal
2008-01-17 14:05 ` Martin Schwidefsky
2008-01-17 12:46 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 18:40 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 19:22 ` 2.6.24-rc8-mm1 Pallipadi, Venkatesh
2008-01-17 19:40 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-17 19:47 ` [E1000-devel] 2.6.24-rc8-mm1 Brandeburg, Jesse
2008-01-17 23:33 ` 2.6.24-rc8-mm1 Venki Pallipadi
2008-01-17 23:04 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-18 1:42 ` 2.6.24-rc8-mm1 Siddha, Suresh B
2008-01-18 5:06 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 20:25 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-17 13:21 ` [-mm Patch] UML: fix a building error WANG Cong
2008-01-17 17:59 ` Jeff Dike
2008-01-17 13:34 ` 2.6.24-rc8-mm1 Kamalesh Babulal
2008-01-17 14:26 ` 2.6.24-rc8-mm1 Ingo Molnar
2008-01-17 13:54 ` 2.6.24-rc8-mm1 kernel panic while bootup Kamalesh Babulal
2008-01-17 18:54 ` Andrew Morton
2008-01-17 19:00 ` Randy Dunlap
2008-01-20 6:24 ` Kamalesh Babulal
2008-01-20 7:17 ` Andrew Morton
2008-01-17 13:56 ` [-mm Patch] uml: fix a building error WANG Cong
2008-01-17 17:59 ` Jeff Dike
2008-01-17 18:11 ` Mariusz Kozlowski
2008-01-17 18:56 ` Andrew Morton
2008-01-17 19:38 ` Pallipadi, Venkatesh
2008-01-17 19:44 ` Andrew Morton
2008-01-17 20:42 ` Mariusz Kozlowski
2008-01-17 21:14 ` Jeff Dike
2008-01-17 21:41 ` Venki Pallipadi
2008-01-17 23:08 ` Jeff Dike
2008-01-17 23:17 ` Pallipadi, Venkatesh
2008-01-18 2:19 ` Jeff Dike
2008-01-17 18:56 ` Jeff Dike
2008-01-17 15:23 ` do_md_run returned -22 [Was: 2.6.24-rc8-mm1] Jiri Slaby
2008-01-17 19:01 ` Andrew Morton
2008-01-17 23:15 ` Neil Brown
2008-01-17 16:15 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Kamalesh Babulal
2008-01-17 19:11 ` Andrew Morton
2008-01-18 0:53 ` [PATCH] aha152x: fix isa/pcmcia compile problem Tejun Heo
2008-01-18 6:29 ` Kamalesh Babulal
2008-01-18 6:37 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Kamalesh Babulal
2008-01-18 7:20 ` [PATCH] SCSI: fix isa/pcmcia compile problem Tejun Heo
2008-01-18 7:30 ` Kamalesh Babulal
2008-01-18 14:58 ` James Bottomley
2008-01-18 23:27 ` Tejun Heo
2008-01-18 23:28 ` Tejun Heo
2008-01-18 23:32 ` James Bottomley
2008-01-18 23:46 ` Tejun Heo
2008-01-18 23:47 ` James Bottomley
2008-01-18 23:54 ` Tejun Heo
2008-01-21 9:56 ` Christoph Hellwig
2008-01-21 14:59 ` James Bottomley
2008-01-18 7:27 ` 2.6.24-rc8-mm1 Build Failure on scsi driver Andrew Morton
2008-01-17 16:48 ` 2.6.24-rc8-mm1 (BUG: sched_rt) Randy Dunlap
2008-01-17 17:11 ` Peter Zijlstra
2008-01-17 18:05 ` Randy Dunlap
2008-01-17 19:14 ` Randy Dunlap
2008-01-17 19:38 ` Andrew Morton
2008-01-17 17:15 ` Peter Zijlstra
2008-01-17 17:28 ` x86 refuses to build [Re: 2.6.24-rc8-mm1] Dhaval Giani
2008-01-17 18:44 ` Dhaval Giani
2008-01-18 8:59 ` Ingo Molnar
2008-01-18 16:16 ` Mike Travis
2008-01-17 18:13 ` 2.6.24-rc8-mm1: broken suspend Rafael J. Wysocki
2008-01-17 18:18 ` 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: field 'partition' has incomplete type Mariusz Kozlowski
2008-01-17 19:27 ` Andrew Morton
2008-01-17 19:06 ` 2.6.24-rc8-mm1 powerpc build errors Olof Johansson
2008-01-17 19:35 ` Andrew Morton
2008-01-17 22:00 ` Greg KH
2008-01-17 21:10 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-18 1:29 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-18 5:08 ` 2.6.24-rc8-mm1 Andrew Morton
2008-01-18 13:55 ` 2.6.24-rc8-mm1 Matt Mackall
2008-01-17 21:29 ` 2.6.24-rc8-mm1 - mkubootimg wants <zlib.h> Joseph Fannin
2008-01-17 22:21 ` Josh Boyer
2008-01-17 22:15 ` 2.6.24-rc8-mm1: powerpc oopses Mariusz Kozlowski
2008-01-17 22:51 ` Andrew Morton
2008-01-17 23:39 ` Matt Mackall
2008-01-18 0:05 ` Andrew Morton
2008-01-18 0:12 ` Matt Mackall
2008-01-18 0:29 ` Andrew Morton
2008-01-18 0:47 ` Matt Mackall
2008-01-18 1:07 ` Andrew Morton
2008-01-18 1:16 ` Matt Mackall
2008-01-18 17:23 ` Mariusz Kozlowski
2008-01-18 17:33 ` Matt Mackall
2008-01-18 6:14 ` 2.6.24-rc8-mm1 Build Failure at scripts/mkubooting/crc32.c Kamalesh Babulal
2008-01-18 8:06 ` Sam Ravnborg
2008-01-20 15:30 ` Mel Gorman
2008-01-18 7:09 ` 2.6.24-rc8-mm1 build failure on headers_check Kamalesh Babulal
2008-01-18 7:38 ` Andrew Morton
2008-01-18 8:36 ` 2.6.24-rc8-mm1 Kernel oops will running kernbench Kamalesh Babulal
2008-01-18 8:44 ` Andrew Morton
2008-01-18 9:01 ` Paul Mackerras
2008-01-18 9:34 ` Kamalesh Babulal
2008-01-18 10:19 ` Paul Mackerras
2008-01-18 10:26 ` Paul Mackerras
2008-01-18 10:44 ` Kamalesh Babulal
2008-01-18 10:54 ` Balbir Singh
2008-01-25 6:05 ` 2.6.24 Kernel oops will running kernbench regression from 2.6.24-rc8-mm1 Kamalesh Babulal
2008-01-18 13:34 ` 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch) Rafael J. Wysocki
2008-01-18 16:53 ` Dave Jones
2008-01-18 17:10 ` Dave Jones
2008-01-18 20:50 ` Rafael J. Wysocki
2008-01-18 21:55 ` Rafael J. Wysocki
2008-01-18 17:26 ` 2.6.24-rc8-mm1 (KVM build issues) Balbir Singh
2008-01-22 8:40 ` Andrew Morton
2008-01-18 18:06 ` 2.6.24-rc8-mm1 Kyle McMartin
2008-01-20 1:10 ` 2.6.24-rc8-mm1: WARN_ON() in clockevents_register_device() on HP nx6325 Rafael J. Wysocki
2008-01-20 10:24 ` Ingo Molnar
2008-01-20 11:21 ` Rafael J. Wysocki
2008-01-20 16:31 ` 2.6.24-rc8-mm1 Mel Gorman
2008-01-20 16:35 ` 2.6.24-rc8-mm1 Balbir Singh
2008-01-20 18:24 ` 2.6.24-rc8-mm1 Mel Gorman
2008-01-21 18:31 ` 2.6.24-rc8-mm1 - SELinux issues Valdis.Kletnieks
2008-01-21 18:53 ` [PATCH} 2.6.24-rc8-mm1 - x86_64 PAT issues with vesafb and NVidia cards Valdis.Kletnieks
2008-01-22 20:30 ` 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __fput+0x1a8/0x1e0() Mariusz Kozlowski
2008-01-22 21:02 ` Andrew Morton
2008-01-22 22:28 ` Dave Hansen
2008-01-22 23:13 ` Dave Hansen
2008-01-23 5:47 ` Christoph Hellwig
2008-02-01 23:34 ` Andrew Morton
2008-01-24 6:09 ` Kamalesh Babulal [this message]
2008-01-24 6:44 ` 2.6.24-rc8-mm1 Badness at net/ipv4/tcp_input.c:2506 Kamalesh Babulal
2008-01-25 0:04 ` 2.6.24-rc8-mm1: old sparc64 bug Mariusz Kozlowski
2008-01-25 17:11 ` Takashi Iwai
2008-01-25 18:34 ` Mariusz Kozlowski
2008-01-28 11:55 ` Takashi Iwai
2008-01-28 22:13 ` Mariusz Kozlowski
2008-01-25 21:59 ` 2.6.24-rc8-mm1 Torsten Kaiser
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