From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Maciej Rutecki <maciej.rutecki@gmail.com>
Subject: Re: 2.6.30-git(16 and 17) system hangs after resume from suspend to disk, mce related?
Date: Mon, 22 Jun 2009 20:41:05 +0200
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Cc: Andi Kleen <ak@linux.intel.com>,
       Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>,
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       "H. Peter Anvin" <hpa@zytor.com>
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On Monday 22 June 2009, Maciej Rutecki wrote:
> 2009/6/22 Maciej Rutecki <maciej.rutecki@gmail.com>:
> 
> > I already do this test:
> > 1. boot, check_interval=0*
> > 2. suspend to disk
> > 3. wait 10 minutes
> > 4. resume
> 5. After resume uptime shows 15 minutes
> 6. wait 15 minutes; nothing happen

Does it mean the box survived the test?

> *Note: I change check_interval for machinecheck0 and machinecheck1.
> 
> Perform any else tests?

Yes, please.

Before 2. in your procedure run 'echo core > /sys/power/pm_test'.  It will not
hibernate then, but it'll run the hibernation sequence including suspending
devices etc.  Next, it'll wait for 5 seconds and run the resume sequence.

Please let me know if the box(es) work(s) correctly after that.

Best,
Rafael
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