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Date: Sat, 8 Dec 2007 11:00:47 -0500 From: "Parag Warudkar" <parag.warudkar@...il.com> To: "Ingo Molnar" <mingo@...e.hu> Cc: "Thomas Gleixner" <tglx@...utronix.de>, "Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>, LKML <linux-kernel@...r.kernel.org>, "Andrew Morton" <akpm@...ux-foundation.org>, "Linus Torvalds" <torvalds@...ux-foundation.org> Subject: Re: soft lockup - CPU#1 stuck for 15s! [swapper:0] On Dec 8, 2007 10:47 AM, Ingo Molnar <mingo@...e.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@...i ~]$ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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