From: Andrew Morton <akpm@osdl.org>
To: joshk@triplehelix.org (Joshua Kwan)
Cc: roland@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: Weirdness with suspending jobs in 2.6.9-rc3
Date: Mon, 11 Oct 2004 16:27:17 -0700 [thread overview]
Message-ID: <20041011162717.7161b340.akpm@osdl.org> (raw)
In-Reply-To: <20041010211507.GB3316@triplehelix.org>
joshk@triplehelix.org (Joshua Kwan) wrote:
>
> On Sun, Oct 10, 2004 at 12:45:24AM -0700, Andrew Morton wrote:
> > Useful, thanks.
>
> Maybe this is useful too?
>
> Started make on that test Makefile, and
>
> % strace -p 31810
> Process 31810 attached - interrupt to quit
> wait4(-1073750280, NULL, 0, NULL) = -1 ECHILD (No child processes)
Are you able to strace the same workload on an earlier kernel and work out
whether `make' is still passing in a funny PID and if so, what the kernel's
response is?
> it then immediately proceeded to give the old 'no child processes.
> Stop.' thing.
>
> Strangely, the bug is experienced only sporadically when using make -j2
> on a kbuild. Maybe that's just a coincidence.
next prev parent reply other threads:[~2004-10-11 23:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-05 6:33 Joshua Kwan
2004-10-09 10:15 ` Adrian Bunk
2004-10-09 14:16 ` Joshua Kwan
2004-10-09 21:05 ` Andrew Morton
2004-10-10 7:39 ` Joshua Kwan
[not found] ` <20041010004524.0bf6d42e.akpm@osdl.org>
2004-10-10 7:55 ` Joshua Kwan
2004-10-10 21:15 ` Joshua Kwan
2004-10-11 20:55 ` Roland McGrath
2004-10-11 21:16 ` Joshua Kwan
2004-10-11 23:09 ` Roland McGrath
2004-10-12 3:39 ` Petri Kaukasoina
2004-10-12 3:45 ` Andrew Morton
2004-10-12 3:51 ` Petri Kaukasoina
2004-10-12 4:14 ` Andrew Morton
2004-10-12 3:52 ` Andrew Morton
2004-10-12 3:56 ` Petri Kaukasoina
2004-10-12 4:11 ` Petri Kaukasoina
2004-10-11 23:27 ` Andrew Morton [this message]
2004-10-11 18:25 ` Adrian Bunk
2004-10-11 18:35 ` Joshua Kwan
2004-10-14 21:51 ` Tomasz Torcz
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