Messages in this thread | | | Date | Thu, 11 Nov 2004 18:13:00 -0700 (MST) | From | Zwane Mwaikambo <> | Subject | Re: IO_APIC NMI Watchdog not handled by suspend/resume. |
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On Fri, 12 Nov 2004, Nigel Cunningham wrote:
> On Thu, 2004-11-11 at 10:30, Pavel Machek wrote: > > Hi! > > > > > Tracking down SMP problems, I've found that if you boot with > > > nmi_watchdog=1 (IO_APIC), the watchdog continues to run while suspend is > > > doing sensitive things like restoring the original kernel. I don't know > > > enough to provide a patch to disable it so thought I'd ask if someone > > > could volunteer to fix this? > > > > When we debated this at x86-64 lists, our conclusion was 'critical > > section should take less than 5 seconds, and watchdog only touches its > > own variables, so stopping it should not be needed'. [on x86-64, > > watchdog is enabled even on up]. > > I've since decided this too; it turns out that the SMP problems were a > function of a problem with freezing workthreads, which I've since fixed. > I have a perfectly stable system now. Which reminds me, since that code > was merged, I should send the patch to Andy. Will do so shortly.
Could you please Cc me, i (really) wanted to work on that code but got interrupted by some residence moving.
Thanks, Zwane
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