Messages in this thread |  | | | Date | Fri, 12 Oct 2007 13:01:07 -0700 | | From | Andrew Morton <> | | Subject | Re: 2.6.23-mm1 thread exit_group issue |
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On Fri, 12 Oct 2007 15:47:59 -0400 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> wrote:
> I noticed a regression between 2.6.23-rc8-mm2 and 2.6.23-mm1 (with your > hotfixes). User space threads seems to receive a ERESTART_RESTARTBLOCK > as soon as a thread does a pthread_join on them. The previous behavior > was to wait for them to exit by taking a futex. > > I provide a toy program that shows the problem. On 2.6.23-rc8-mm2, it > loops forever (as it should). On 2.6.23-mm1, it exits after 10 seconds. > > Any idea on what may cause this problem ? > > (I also provide complete ptrace -f of a correct and buggy run and my > kernel config. Tests were done on i386.)
No idea. But I can reproduce it here so I'll bisect it now. Thanks for the test case! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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