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Date: Mon, 15 Aug 2011 10:37:24 +0200 From: Francis Moreau <francis.moro@...il.com> To: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Cyrill Gorcunov <gorcunov@...il.com>, LKML <linux-kernel@...r.kernel.org>, Don Zickus <dzickus@...hat.com>, Stephane Eranian <eranian@...gle.com>, Ingo Molnar <mingo@...e.hu> Subject: Re: v3.0: Weird kernel log message when resuming avout NMI received Hello Peter, Sorry for the loooonnng delay but summer rest :) On Mon, Aug 1, 2011 at 1:05 PM, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote: > On Sun, 2011-07-31 at 19:32 +0400, Cyrill Gorcunov wrote: > >> > >> I'm seeing those kernel message when resuming: >> > >> >> > >> [ 524.973283] Uhhuh. NMI received for unknown reason 3d on CPU 0. >> > >> [ 524.973288] Do you have a strange power saving mode enabled? >> > >> [ 524.973289] Dazed and confused, but trying to continue >> > >> >> > >> I don't know if it's important or not because the system seems to work >> > >> after but maybe it worths to report > > So I guess the problem is the NMI watchdog and suspend stuff not > shutting things down properly.. > > Argh, the PM notifier muck runs before the hotplug notifiers and it > doesn't avoid hotplug races on its own.. what crap. > > something like the below perhaps, compile tested only.. does it work? Thanks for the fix, I'm going to give it a test and report in 2 days. -- Francis -- 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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