From: Jarek Poplawski <jarkao2@gmail.com>
To: Denys Fedoryshchenko <denys@visp.net.lb>
Cc: netdev@vger.kernel.org
Subject: Re: RESEND, HTB(?) softlockup, vanilla 2.6.24
Date: Sat, 16 Feb 2008 09:00:36 +0100 [thread overview]
Message-ID: <47B69824.4030405@gmail.com> (raw)
In-Reply-To: <20080213081318.M90354@visp.net.lb>
Denys Fedoryshchenko wrote, On 02/13/2008 09:13 AM:
> It is very difficult to reproduce, happened after running about 1month. No
> changes done in classes at time of crash.
>
> Kernel 2.6.24 vanilla
Hi,
I could be wrong, but IMHO this looks like stack was overridden here,
so my proposal is to try this:
CONFIG_DEBUG_STACKOVERFLOW=y
But, if you're not very interested in reproducing this, you could also
try to turn off some other debugging, especially lockdep.
Regards,
Jarek P.
...
> Feb 10 15:53:22 SHAPER [ 8271.778915] BUG: NMI Watchdog detected LOCKUP
> Feb 10 15:53:22 SHAPER on CPU1, eip c01f0e5d, registers:
...
> Feb 10 15:53:22 SHAPER [ 8271.779307] Pid: 0, comm: swapper Not tainted
> (2.6.24-build-0021 #26)
> Feb 10 15:53:22 SHAPER [ 8271.779327] EIP: 0060:[<c01f0e5d>] EFLAGS: 00000082
> CPU: 1
> Feb 10 15:53:22 SHAPER [ 8271.779349] EIP is at __rb_rotate_right+0x5/0x50
> Feb 10 15:53:22 SHAPER [ 8271.779366] EAX: f76494a4 EBX: f76494a4 ECX:
> f76494a4 EDX: c1ff5f80
> Feb 10 15:53:22 SHAPER [ 8271.779386] ESI: f76494a4 EDI: c1ff5f80 EBP:
> 00000000 ESP: f7c29c70
> Feb 10 15:53:22 SHAPER [ 8271.779406] DS: 007b ES: 007b FS: 00d8 GS: 0000
> SS: 0068
> Feb 10 15:53:22 SHAPER [ 8271.779425] Process swapper (pid: 0, ti=f7c28000
> task=f7c20a60 task.ti=f7c28000)
> Feb 10 15:53:22 SHAPER
> Feb 10 15:53:22 SHAPER [ 8271.779446] Stack:
> Feb 10 15:53:22 SHAPER f76494a4
> Feb 10 15:53:22 SHAPER f76494a4
> Feb 10 15:53:22 SHAPER f76494a4
> Feb 10 15:53:22 SHAPER c01f0ef4
> Feb 10 15:53:22 SHAPER c1ff5f80
> Feb 10 15:53:22 SHAPER f76494a4
> Feb 10 15:53:22 SHAPER f76494a8
> Feb 10 15:53:22 SHAPER c1ff5f78
> Feb 10 15:53:22 SHAPER
> Feb 10 15:53:22 SHAPER [ 8271.779493]
> Feb 10 15:53:22 SHAPER [ 8271.779307] Pid: 0, comm: swapper Not tainted
> (2.6.24-build-0021 #26)
> Feb 10 15:53:22 SHAPER [ 8271.779327] EIP: 0060:[<c01f0e5d>] EFLAGS: 00000082
> CPU: 1
> Feb 10 15:53:22 SHAPER [ 8271.779349] EIP is at __rb_rotate_right+0x5/0x50
> Feb 10 15:53:22 SHAPER [ 8271.779366] EAX: f76494a4 EBX: f76494a4 ECX:
> f76494a4 EDX: c1ff5f80
> Feb 10 15:53:22 SHAPER [ 8271.779386] ESI: f76494a4 EDI: c1ff5f80 EBP:
> 00000000 ESP: f7c29c70
> Feb 10 15:53:22 SHAPER [ 8271.779406] DS: 007b ES: 007b FS: 00d8 GS: 0000
> SS: 0068
> Feb 10 15:53:22 SHAPER [ 8271.779425] Process swapper (pid: 0, ti=f7c28000
> task=f7c20a60 task.ti=f7c28000)
> Feb 10 15:53:22 SHAPER
> Feb 10 15:53:22 SHAPER [ 8271.779446] Stack:
> Feb 10 15:53:22 SHAPER f76494a4
> Feb 10 15:53:22 SHAPER f76494a4
> Feb 10 15:53:22 SHAPER f76494a4
...
next prev parent reply other threads:[~2008-02-16 7:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-13 8:13 RESEND, HTB(?) softlockup, vanilla 2.6.24 Denys Fedoryshchenko
2008-02-13 8:43 ` Jarek Poplawski
2008-02-16 8:00 ` Jarek Poplawski [this message]
2008-02-16 10:25 ` Denys Fedoryshchenko
2008-02-16 20:45 ` Jarek Poplawski
2008-02-17 0:03 ` Denys Fedoryshchenko
2008-02-17 9:11 ` Jarek Poplawski
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