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Re: kern/45928: Random freeze and interrupt/system storms (netbsd-5/amd64 and -current/amd64)
The following reply was made to PR kern/45928; it has been noted by GNATS.
From: David Holland <dholland-bugs%netbsd.org@localhost>
Subject: Re: kern/45928: Random freeze and interrupt/system storms
(netbsd-5/amd64 and -current/amd64)
Date: Tue, 21 Feb 2012 16:59:09 +0000
On Mon, Feb 06, 2012 at 05:55:03AM +0000, Matthew Mondor wrote:
> > Afterwards I disabled the re0 interface and decided to leave the system
> > running. The problem so far hasn't occurred. However, when I looked
> > at rtl8169.c I couldn't find any obvious spl or locking issue so far...
> And today I used netbsd-5 a while with re0 disabled, without issue
> whatsoever. Then I enabled re0 and three times I could reproduce the
> issue and recover by quickly disabling the interface before the system
> was permanently frozen. Interestingly, I also left a systat-vmstat
> command running and I could not really notice abnormal pin interrupt
> floods. However, top will show two of the cores in "100% interrupt"
> and the two others in "100% system", as usual.
The problem could be in ACPI; it might be worth testing with ACPI
David A. Holland
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