Hi all,
when I was executing some file system stress tests on
openSUSE10.3alpha5 on power 5 architecture.
tests: IOZone bonnie++ dbench fs_inod fs_maim fsstress fsx_linux
postmark tiobench
------
I got a call trace in /var/log/messages..
un 27 20:42:55 linux-0gxvrp kernel: ------------[ cut here ]------------
Jun 27 20:42:55 linux-0gxvrp kernel: Badness at fs/buffer.c:570
Jun 27 20:42:55 linux-0gxvrp kernel: Call Trace:
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc774b0] [c00000000000f318]
.show_stack+0x68/0x1b0 (unreliable)
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77550] [c000000000205f90]
.report_bug+0x94/0xe8
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc775e0] [c000000000407f20]
.program_check_exception+0x178/0x604
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77690] [c00000000000548c]
program_check_common+0x10c/0x180
Jun 27 20:42:55 linux-0gxvrp kernel: --- Exception: 700 at
.drop_buffers+0xcc/0x14c
Jun 27 20:42:55 linux-0gxvrp kernel: LR =
.try_to_free_buffers+0x80/0xfc
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77980] [c000000000658a18]
ioctl_start+0xbe8/0x5790 (unreliable)
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77a00] [c00000000011ced4]
.try_to_free_buffers+0x80/0xfc
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77ab0] [c0000000000b9b5c]
.try_to_release_page+0x7c/0x90
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77b30] [c0000000000c45a8]
.shrink_zone+0xd64/0x1194
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77da0] [c0000000000c5440]
.kswapd+0x394/0x4d4
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77f00] [c00000000008e248]
.kthread+0x78/0xc4
Jun 27 20:42:55 linux-0gxvrp kernel: [c00000000fc77f90] [c000000000028970]
.kernel_thread+0x4c/0x68
Jun 27 21:06:21 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 27 22:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 27 23:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 00:01:39 linux-0gxvrp kernel: ReiserFS: sdb3: warning: journal-1409:
journal_mark_dirty returning because j_wcount was 0
Jun 28 00:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 01:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 01:52:06 linux-0gxvrp kernel: ReiserFS: sdb3: warning: journal-1409:
journal_mark_dirty returning because j_wcount was 0
Jun 28 02:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 03:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 03:59:15 linux-0gxvrp kernel: ReiserFS: sdb3: warning: journal-1409:
journal_mark_dirty returning because j_wcount was 0
Jun 28 04:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 05:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 05:20:32 linux-0gxvrp kernel: ReiserFS: sdb3: warning: journal-1409:
journal_mark_dirty returning because j_wcount was 0
Jun 28 05:46:47 linux-0gxvrp kernel: ReiserFS: sdb3: warning: journal-1409:
journal_mark_dirty returning because j_wcount was 0
Jun 28 06:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 07:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 08:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 09:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 10:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 11:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 12:06:22 linux-0gxvrp syslog-ng[2345]: STATS: dropped 0
Jun 28 12:15:02 linux-0gxvrp su: (to beagleindex) root on none
uname output::
--------------------
Linux linux-0gxvrp 2.6.22-rc4-git3-2-ppc64 #1 SMP 2007/06/12 15:00:04 UTC
ppc64 ppc64 ppc64 GNU/Linux
machine type: p520(power 5)
Whether any bug in the kernel ?
Regards::
-Omar
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