Bug#536855: kernel: Kernel unaligned access at TPC[48bef4] __delayacct_add_tsk+0x2c/0x15c
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Hi!
On Sat, 10 Jul 2010, Moritz Muehlenhoff wrote:
> Date: Sat, 10 Jul 2010 19:21:58 +0200
> From: Moritz Muehlenhoff <jmm@inutil.org>
> To: Gabriel VLASIU <gabriel@vlasiu.net>
> User-Agent: Mutt/1.5.20 (2009-06-14)
> X-Spam-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_00
> autolearn=unavailable version=3.2.5
> Subject: Re: kernel: Kernel unaligned access at TPC[48bef4]
> __delayacct_add_tsk+0x2c/0x15c
>
> tags 536855 moreinfo
> thanks
>
> On Tue, Jul 14, 2009 at 10:04:52AM +0300, Gabriel VLASIU wrote:
> > Package: kernel
> > Severity: important
> >
> > Running iotop I get lots of:
> >
> > Jul 14 09:44:30 mailq kernel: [1285719.964594] Kernel unaligned access at TPC[48bf14] __delayacct_add_tsk+0x4c/0x15c
> > Jul 14 09:44:30 mailq kernel: [1285719.964630] Kernel unaligned access at TPC[48bf28] __delayacct_add_tsk+0x60/0x15c
> > Jul 14 09:44:30 mailq kernel: [1285719.964667] Kernel unaligned access at TPC[48bf48] __delayacct_add_tsk+0x80/0x15c
> > Jul 14 09:44:36 mailq kernel: [1285726.011965] Kernel unaligned access at TPC[48bef4] __delayacct_add_tsk+0x2c/0x15c
> > Jul 14 09:44:36 mailq kernel: [1285726.012031] Kernel unaligned access at TPC[48bf10] __delayacct_add_tsk+0x48/0x15c
> > Jul 14 09:44:36 mailq kernel: [1285726.012066] Kernel unaligned access at TPC[48bf14] __delayacct_add_tsk+0x4c/0x15c
> > Jul 14 09:44:36 mailq kernel: [1285726.012100] Kernel unaligned access at TPC[48bf28] __delayacct_add_tsk+0x60/0x15c
> > Jul 14 09:44:36 mailq kernel: [1285726.012135] Kernel unaligned access at TPC[48bf48] __delayacct_add_tsk+0x80/0x15c
> > Jul 14 09:45:14 mailq kernel: [1285764.277939] Kernel unaligned access at TPC[48bef4] __delayacct_add_tsk+0x2c/0x15c
> > Jul 14 09:45:14 mailq kernel: [1285764.278022] Kernel unaligned access at TPC[48bf10] __delayacct_add_tsk+0x48/0x15c
> > Jul 14 09:45:14 mailq kernel: [1285764.278057] Kernel unaligned access at TPC[48bf14] __delayacct_add_tsk+0x4c/0x15c
> > Jul 14 09:45:14 mailq kernel: [1285764.278091] Kernel unaligned access at TPC[48bf28] __delayacct_add_tsk+0x60/0x15c
> > Jul 14 09:45:14 mailq kernel: [1285764.278127] Kernel unaligned access at TPC[48bf48] __delayacct_add_tsk+0x80/0x15c
> > Jul 14 09:45:19 mailq kernel: [1285769.512383] Kernel unaligned access at TPC[48bef4] __delayacct_add_tsk+0x2c/0x15c
> > Jul 14 09:45:19 mailq kernel: [1285769.512464] Kernel unaligned access at TPC[48bf10] __delayacct_add_tsk+0x48/0x15c
> > Jul 14 09:45:19 mailq kernel: [1285769.512500] Kernel unaligned access at TPC[48bf14] __delayacct_add_tsk+0x4c/0x15c
>
> Hi,
> The next release of Debian (6.0, code name Squeeze) will be based
> on 2.6.32. Please test the current 2.6.32 from unstable/testing and tell
> us whether the problem persists. If so, we should report it upstream
> to the kernel.org developers.
>
> The 2.6.32 kernel is available from packages.debian.org and can
> be installed in both Debian stable, testing and unstable
> installations.
# uname -a
Linux mailq 2.6.32-5-sparc64 #1 Tue Jul 6 14:51:45 UTC 2010 sparc64 GNU/Linux
** Terminal one:
# iotop
** terminal two:
# tail -f /var/log/messages | grep kernel
Jul 10 21:08:17 mailq kernel: [ 470.375375] Kernel unaligned access at TPC[4a37f8] __delayacct_add_tsk+0x24/0x18c
Jul 10 21:08:17 mailq kernel: [ 470.375426] Kernel unaligned access at TPC[4a380c] __delayacct_add_tsk+0x38/0x18c
Jul 10 21:08:17 mailq kernel: [ 470.375465] Kernel unaligned access at TPC[4a3814] __delayacct_add_tsk+0x40/0x18c
Jul 10 21:08:17 mailq kernel: [ 470.375505] Kernel unaligned access at TPC[4a382c] __delayacct_add_tsk+0x58/0x18c
Jul 10 21:08:17 mailq kernel: [ 470.375546] Kernel unaligned access at TPC[4a3844] __delayacct_add_tsk+0x70/0x18c
Jul 10 21:08:22 mailq kernel: [ 475.654634] Kernel unaligned access at TPC[4a37f8] __delayacct_add_tsk+0x24/0x18c
Jul 10 21:08:22 mailq kernel: [ 475.654736] Kernel unaligned access at TPC[4a380c] __delayacct_add_tsk+0x38/0x18c
Jul 10 21:08:22 mailq kernel: [ 475.654777] Kernel unaligned access at TPC[4a3814] __delayacct_add_tsk+0x40/0x18c
Jul 10 21:08:22 mailq kernel: [ 475.654817] Kernel unaligned access at TPC[4a382c] __delayacct_add_tsk+0x58/0x18c
Jul 10 21:08:22 mailq kernel: [ 475.654859] Kernel unaligned access at TPC[4a3844] __delayacct_add_tsk+0x70/0x18c
Jul 10 21:08:27 mailq kernel: [ 480.658813] Kernel unaligned access at TPC[4a37f8] __delayacct_add_tsk+0x24/0x18c
Jul 10 21:08:27 mailq kernel: [ 480.658857] Kernel unaligned access at TPC[4a380c] __delayacct_add_tsk+0x38/0x18c
Jul 10 21:08:27 mailq kernel: [ 480.658896] Kernel unaligned access at TPC[4a3814] __delayacct_add_tsk+0x40/0x18c
Jul 10 21:08:27 mailq kernel: [ 480.658934] Kernel unaligned access at TPC[4a382c] __delayacct_add_tsk+0x58/0x18c
Jul 10 21:08:27 mailq kernel: [ 480.658973] Kernel unaligned access at TPC[4a3844] __delayacct_add_tsk+0x70/0x18c
Sincerely,
Gabriel
- --
// Gabriel VLASIU
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