Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174

Hi!

> > Is the typical approach to just hack in an extra parameter to the
> > start/stop functions of the nmi_watchdog letting the function know it is
> > coming through the suspend/resume path? 
> > 
> > Any tips, code, other docs would be helpful.
> > 
> 
> OK...  My understanding of how it works is that the cpu hotplug handlers
> are called early in the suspend process to take the CPUs down.  Once all
> the APs are shut down, CPU0 will then proceed to handle the devices.

Yep.

> All the above applies to suspend-to-disk.  I don't know if suspend-to-RAM
> shuts down the APs.

It applies to suspend-to-ram, too.
							Pavel
-- 
Thanks for all the (sleeping) penguins.
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---

• References:
  • [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Jeremy Fitzhardinge <[email protected]>
  • Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Shaohua Li <[email protected]>
  • Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Don Zickus <[email protected]>
  • Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Andi Kleen <[email protected]>
  • Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Don Zickus <[email protected]>
  • Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Andrew Morton <[email protected]>
  • Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Don Zickus <[email protected]>
  • Re: [2.6.17-rc5-mm2] crash when doing second suspend: BUG in arch/i386/kernel/nmi.c:174
    • From: Andrew Morton <[email protected]>

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