Messages in this thread | | | Subject | Re: 100% iowait on one of cpus in current -git | From | Peter Zijlstra <> | Date | Mon, 22 Oct 2007 11:41:57 +0200 |
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On Mon, 2007-10-22 at 08:22 +0200, Maxim Levitsky wrote: > Hi, > > I found a bug in current -git: > > On my system on of cpus stays 100% in iowait mode (I have core 2 duo) > Otherwise the system works OK, no disk activity and/or slowdown. > Suspecting that this is a swap-related problem I tried to turn swap of, but it doesn't affect anything. > It is probably some accounting bug. > > If I start with init=/bin/bash, then this disappears. > I tried then to start usual /etc/init.d scripts then, and first one to show this bug was gpm. > but then I rebooted the system to X without gpm, and I still see 100% iowait. > > No additional messages in dmesg.
does sysrq-t show any D state tasks?
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