Re: [Bugme-new] [Bug 9906] New: Weird hang with NPTL and SIGPROF.

Parag Warudkar
2008-02-07T15:53:49Z

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On Thu, 7 Feb 2008, Alejandro Riveira Fernández wrote:

> gcc --version
>
> gcc-4.2 (GCC) 4.2.1 (Ubuntu 4.2.1-5ubuntu4)
>
> If some fields are empty or look unusual you may have an old version.
> Compare to the current minimal requirements in Documentation/Changes.
>
> Linux Varda 2.6.24 #2 SMP PREEMPT Fri Jan 25 01:05:47 CET 2008 x86_64 GNU/Linux
>
So x86+SMP+GnuC-4.1.2+Glibc-2.5 = Not reproducible.

x86_64+SMP+PREEMPT+GnuC-4.1.2+Glibc-2.5 = Reproducible.

Not sure what the original reporter's $ARCH was.

So next thing worthwhile to try might be to disable PREEMPT and see if
that cures it.

Parag