From: "Parag Warudkar" <parag.warudkar@gmail.com>
To: "Ingo Molnar" <mingo@elte.hu>
Cc: "Thomas Gleixner" <tglx@linutronix.de>,
"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>
Subject: Re: soft lockup - CPU#1 stuck for 15s! [swapper:0]
Date: Sat, 8 Dec 2007 11:00:47 -0500 [thread overview]
Message-ID: <82e4877d0712080800j6572734ek78a76cf7bb17a7e0@mail.gmail.com> (raw)
In-Reply-To: <20071208154755.GA5255@elte.hu>
On Dec 8, 2007 10:47 AM, Ingo Molnar <mingo@elte.hu> wrote:
>
> does the patch below help? But the root cause is likely some timer
> problems - do you get consistent results from:
>
Haven't yet tried the patch - will try a little later.
> while :; do time usleep 1111111; done
>
> or do these sleeps fluctuate?
>
They seem to fluctuate - not sure if that's supposed to be exact or if
below variations are normal -
This is when my compiles are running -
[parag@mini ~]$ while :; do time usleep 1111111; done
real 0m1.116s
user 0m0.000s
sys 0m0.000s
real 0m1.112s
user 0m0.000s
sys 0m0.000s
real 0m1.130s
user 0m0.000s
sys 0m0.004s
real 0m1.144s
user 0m0.000s
sys 0m0.000s
Thanks
Parag
next prev parent reply other threads:[~2007-12-08 16:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-07 22:53 BUG: " Parag Warudkar
2007-12-07 23:12 ` Pallipadi, Venkatesh
2007-12-07 23:31 ` Parag Warudkar
2007-12-08 2:56 ` Thomas Gleixner
2007-12-08 15:10 ` Parag Warudkar
2007-12-08 15:36 ` Parag Warudkar
2007-12-08 15:47 ` Ingo Molnar
2007-12-08 16:00 ` Parag Warudkar [this message]
2007-12-08 19:13 ` Ingo Molnar
2007-12-08 19:33 ` Parag Warudkar
2007-12-08 19:42 ` Ingo Molnar
2007-12-08 20:08 ` Parag Warudkar
2007-12-08 20:11 ` Ingo Molnar
2007-12-08 20:46 ` Parag Warudkar
2007-12-08 20:51 ` Arjan van de Ven
2007-12-08 21:04 ` Parag Warudkar
2007-12-08 23:12 ` Parag Warudkar
2007-12-09 21:57 ` Parag Warudkar
2007-12-09 22:30 ` Arjan van de Ven
2007-12-10 5:49 ` Thomas Gleixner
2007-12-11 4:49 ` Parag Warudkar
2007-12-14 23:17 ` Len Brown
2007-12-15 0:51 ` Parag Warudkar
2007-12-15 8:10 ` Thomas Gleixner
2007-12-15 18:48 ` Parag Warudkar
2007-12-16 5:15 ` Parag Warudkar
2007-12-16 13:43 ` Parag Warudkar
2007-12-17 8:05 ` Thomas Gleixner
2007-12-17 13:08 ` Parag Warudkar
2007-12-17 22:05 ` Thomas Gleixner
2008-01-09 11:56 ` Thomas Gleixner
2008-01-11 0:31 ` Parag Warudkar
2008-01-11 9:50 ` Thomas Gleixner
2007-12-07 23:17 ` BUG: " Andrew Morton
2007-12-08 2:35 ` Rafael J. Wysocki
2007-12-09 22:42 parag.warudkar
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