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Message-ID: <47192999.6010607@garzik.org> Date: Fri, 19 Oct 2007 18:03:05 -0400 From: Jeff Garzik <jeff@...zik.org> To: Chuck Ebbert <cebbert@...hat.com> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [2.6.23] tasks stuck in running state? Chuck Ebbert wrote: > On 10/19/2007 05:39 PM, Jeff Garzik wrote: >> On my main devel box, vanilla 2.6.23 on x86-64/Fedora-7, I'm seeing a >> certain behavior at least once a day. I'll start a kernel build (make >> -sj5 on this box), and it will "hang" in the following way: >> > > Can you try to strace the hanging task? Well, to the system it's running, so that doesn't do much of anything... > > 8482 pts/0 S+ 0:00 \_ /bin/sh /garz/repo/misc-2.6/scripts/hdrcheck.sh /garz/repo/misc-2.6/usr/include /garz/repo/misc-2.6/usr/include/linux/kernelcapi.h /garz/repo/misc-2.6/usr/include/linux/.check.kernelcapi.h > 8484 pts/0 R+ 3:10 \_ grep ^[ \t]*#[ \t]*include[ \t]*< /garz/repo/misc-2.6/usr/include/linux/kernelcapi.h > 8486 pts/0 S+ 0:00 \_ cut -f2 -d< > 8487 pts/0 S+ 0:00 \_ cut -f1 -d> > 8488 pts/0 S+ 0:00 \_ egrep ^linux|^asm > [jgarzik@...tzel misc-2.6]$ strace -p8484 > Process 8484 attached - interrupt to quit [sits there, chewing up CPU grepping a 47-line header file] - 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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