maximilian attems wrote:
On Wed, Feb 24, 2010 at 11:00:17PM +0000, Ben Hutchings wrote:
On Wed, Feb 24, 2010 at 05:02:41PM +0100, John Hughes wrote:
Package: linux-2.6
Version: 2.6.32-8
Severity: normal
Running 8 copies of bonnie++ on 8 different filesystems on 8 disks seems
to produce a deadlock in sync(2).
Initialy all the bonnie++ processes seem to be running ok, but after a while
only 2-3 of the disks are showing any I/O activiy and the dmesg output
shows:
if you can reproduce with 2.6.32-9, which currently is new,
prebuild uploaded packages are here:
http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.32-3-amd64_2.6.32-9_amd64.deb
sha256sum signed
http://charm.itp.tuwien.ac.at/~mattems/linux-image-2.6.32-3-amd64_2.6.32-9_amd64.deb.sha256sum.asc
Same behaviour with
# dpkg -l | grep linux-image
ii linux-image-2.6.32-3-amd64 2.6.32-9
Linux 2.6.32 for 64-bit PCs
# uname -a
Linux caronia 2.6.32-3-amd64 #1 SMP Wed Feb 24 18:07:42 UTC 2010 x86_64
GNU/Linux
[ 1557.376075] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 1557.376158] bonnie D ffff88000c20f9f0 0 2493 2489 0x00000008
[ 1557.376162] ffff88063cde2a60 0000000000000082 ffff88063bdb7e88
ffff88063bdb7e84
[ 1557.376165] 0000000000000004 00000000000155c0 000000000000f8a0
ffff88063bdb7fd8
[ 1557.376168] 00000000000155c0 00000000000155c0 ffff88063a330e20
ffff88063a331118
[ 1557.376171] Call Trace:
[ 1557.376180] [<ffffffff812ee653>] ? __mutex_lock_common+0x10b/0x17b
[ 1557.376185] [<ffffffff8104a196>] ? try_to_wake_up+0x249/0x259
[ 1557.376187] [<ffffffff812ee77b>] ? mutex_lock+0x1a/0x31
[ 1557.376191] [<ffffffff8110a3cd>] ? sync_filesystems+0x13/0xe3
[ 1557.376194] [<ffffffff8110a4d8>] ? sys_sync+0x12/0x2e
[ 1557.376198] [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
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