Messages in this thread | | | Date | Wed, 29 Jul 2009 12:26:04 +0200 | From | Eric Dumazet <> | Subject | Re: futexes: Still infinite loop in get_futex_key() in 2.6.31-rc4 |
| |
Jens Rosenboom a écrit : > On Wed, 2009-07-29 at 08:22 +0200, Jens Rosenboom wrote: >> On Mon, 2009-07-27 at 15:36 +0200, Peter Zijlstra wrote: >> [...] >>> Bugger.. how easy it is to reproduce? >> Okay, my colleague found the right combination of scripts, take the two >> attached, run them both a couple of times in parallel for some hours, >> and get a stuck ps. This happens both on an old 2.6.29.1 I happened to >> still have on one machine as with 2.6.31-rc4. Both of them dual-core >> Opterons as the original one. If you want further tracebacks or other >> information, let me know. > > Forget about null.pl even, just run pees.pl twice and a top to watch it, > has worked for me within less than an hour several times now. >
Ah that makes sense now...
maybe execve() forgets to clear clear_child_tid
-- 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/
| |