From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757384AbYLOVs6 (ORCPT ); Mon, 15 Dec 2008 16:48:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756482AbYLOVsv (ORCPT ); Mon, 15 Dec 2008 16:48:51 -0500 Received: from courier.cs.helsinki.fi ([128.214.9.1]:44901 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756378AbYLOVsu (ORCPT ); Mon, 15 Dec 2008 16:48:50 -0500 Message-ID: <4946CFCC.7040805@cs.helsinki.fi> Date: Mon, 15 Dec 2008 23:44:44 +0200 From: Pekka Enberg User-Agent: Thunderbird 2.0.0.18 (Macintosh/20081105) MIME-Version: 1.0 To: Ottavio Campana CC: linux-kernel@vger.kernel.org, error27@gmail.com, Thomas Gleixner , Andrew Morton , torvalds@linux-foundation.org, Greg KH Subject: Re: Oops when trying to create more than 16000 timers References: <49468024.1020700@dei.unipd.it> <84144f020812150845g10a1ce26ke2844ab495d2591b@mail.gmail.com> <4946CEF1.6060405@dei.unipd.it> <84144f020812151337r79268169xf77f2e6f547a51e5@mail.gmail.com> <4946DE5C.8060504@dei.unipd.it> In-Reply-To: <4946DE5C.8060504@dei.unipd.it> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ottavio, Pekka Enberg wrote: >> I think you're simply hitting RLIMIT_SIGPENDING and then tripping over >> a bug in alloc_posix_timer() that's fixed by commit >> aa94fbd5ccd840c8ab26d02439ec799b03a72547 ("fix error-path NULL deref >> in alloc_posix_timer()") in 2.6.28-rc8. >> >> Dan, can you please send your patch to the -stable queue as well? Ottavio Campana wrote: > Pekka, can this RLIMIT_SIGPENDING be modified? For my application, I > will need 60k timers. I'd assume you can do that via the setrlimit() system call. See the man page for details.