From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757241AbYLOVoq (ORCPT ); Mon, 15 Dec 2008 16:44:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755907AbYLOVoi (ORCPT ); Mon, 15 Dec 2008 16:44:38 -0500 Received: from static-62-123-141-83.atlanet.it ([62.123.141.83]:54572 "EHLO fourier.campana.vi.it" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754480AbYLOVoh (ORCPT ); Mon, 15 Dec 2008 16:44:37 -0500 Message-ID: <4946DE5C.8060504@dei.unipd.it> Date: Mon, 15 Dec 2008 22:46:52 +0000 From: Ottavio Campana User-Agent: Mozilla-Thunderbird 2.0.0.17 (X11/20081018) MIME-Version: 1.0 To: Pekka Enberg 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> In-Reply-To: <84144f020812151337r79268169xf77f2e6f547a51e5@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? Pekka, can this RLIMIT_SIGPENDING be modified? For my application, I will need 60k timers. Thanks, Ottavio