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Date: Wed, 7 Mar 2007 17:07:50 -0800 From: "Siddha, Suresh B" <suresh.b.siddha@...el.com> To: linux-kernel@...r.kernel.org Subject: Re: 2.6.21-rc2-mm2 hang On Wed, Mar 07, 2007 at 02:12:16PM -0800, Dave Hansen wrote: > I'm seeing weird hangs running ltp on 2.6.21-rc2-mm2. It manifests > itself by the waitpid06 test in LTP hanging. This is very, very > reproducible in about 5 seconds by adding '-s wait' to the ltp command > line. > > I see 4 waitpid06 processes on my 4-way machine spinning in userspace. > But, the weird part is that I can't ssh in once this happens, but I can > log in to the console. I've bisected it down to: > > sched-fix-idle-load-balancing-in-softirqd-context [having some mailer issues. Pl ignore if this is a duplicate] This sounds like an issue in merge we recently had and 2.6.21-rc2-mm2 already has a fix for this. sched-fix-idle-load-balancing-in-softirqd-context-fix.patch Can you please apply both sched-fix-idle-load-balancing-in-softirqd-context sched-fix-idle-load-balancing-in-softirqd-context-fix.patch and see if you still see this problem? thanks, suresh - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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