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From: "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Matt Helsley <matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Cc: Containers
	<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
Subject: Re: [PATCH] cr_tests: Fix hang when robust futex lists are not restored during restart
Date: Thu, 9 Jul 2009 15:58:53 -0500	[thread overview]
Message-ID: <20090709205853.GA23637@us.ibm.com> (raw)
In-Reply-To: <20090709192207.GJ32310-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>

Quoting Matt Helsley (matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org):
> The robust futex test can hang if the kernel fails to properly set the robust
> list pointer. This currently happens during restart. The test should not
> hang and instead should report failure.
> 
> Use a timeout to ensure that hangs are caught and reported as failure.

Doesn't seem to work though :)  The test still hangs on restart.

Not sure it's worth worrying about this, versus just getting the robust
futex restart fix into the kernel :)

thanks,
-serge

  parent reply	other threads:[~2009-07-09 20:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-09 19:22 [PATCH] cr_tests: Fix hang when robust futex lists are not restored during restart Matt Helsley
     [not found] ` <20090709192207.GJ32310-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2009-07-09 20:00   ` Serge E. Hallyn
     [not found]     ` <20090709200040.GA21053-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-09 20:06       ` Matt Helsley
     [not found]         ` <20090709200649.GL32310-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2009-07-09 20:14           ` Oren Laadan
2009-07-09 20:58   ` Serge E. Hallyn [this message]
     [not found]     ` <20090709205853.GA23637-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-10  0:21       ` Sukadev Bhattiprolu
     [not found]         ` <20090710002144.GA13085-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-07-10 23:34           ` Matt Helsley
     [not found]             ` <20090710233457.GA5213-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2009-07-11 20:56               ` Sukadev Bhattiprolu

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