Re: [2.6.23] tasks stuck in running state?

[Jeff Garzik <jeff@garzik.org>]

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@pretzel misc-2.6]$ strace -p8484
> Process 8484 attached - interrupt to quit
[sits there, chewing up CPU grepping a 47-line header file]
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