From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1URfXg-0000qM-Nf for ltp-list@lists.sourceforge.net; Mon, 15 Apr 2013 09:17:40 +0000 Received: from [222.73.24.84] (helo=song.cn.fujitsu.com) by sog-mx-4.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1URfXf-0007F9-FN for ltp-list@lists.sourceforge.net; Mon, 15 Apr 2013 09:17:40 +0000 Message-ID: <516BC5C4.3050006@cn.fujitsu.com> Date: Mon, 15 Apr 2013 17:17:56 +0800 From: Wanlong Gao MIME-Version: 1.0 References: <516BB803.6000603@cn.fujitsu.com> <1428475737.306249.1366016603320.JavaMail.root@redhat.com> In-Reply-To: <1428475737.306249.1366016603320.JavaMail.root@redhat.com> Subject: Re: [LTP] [PATCH v2] sendmsg testcase for ded34e0fe8fe8c2d595bfa30626654e4b87621e0 Reply-To: gaowanlong@cn.fujitsu.com List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: Jan Stancek Cc: ltp-list@lists.sourceforge.net On 04/15/2013 05:03 PM, Jan Stancek wrote: > > ----- Original Message ----- >> From: "Wanlong Gao" >> To: "Jan Stancek" >> Cc: ltp-list@lists.sourceforge.net >> Sent: Monday, 15 April, 2013 10:19:15 AM >> Subject: Re: [LTP] [PATCH v2] sendmsg testcase for ded34e0fe8fe8c2d595bfa30626654e4b87621e0 >> >> On 04/15/2013 03:58 PM, Jan Stancek wrote: >>> reproducer for: >>> BUG: unable to handle kernel NULL pointer dereference at 0000000000000250 >>> >>> fixed in 3.9.0-0.rc5: >>> commit ded34e0fe8fe8c2d595bfa30626654e4b87621e0 >>> Author: Paul Moore >>> Date: Mon Mar 25 03:18:33 2013 +0000 >>> unix: fix a race condition in unix_release() >>> >>> This reproducer should be able to trigger it easily on 4+ CPU systems >>> just within couple of seconds. >> >> I didn't get panic on my v3.9-rc4 system by this test case. > > I double checked if I got that -rc right, and that looks OK: > $ git tag --contains ded34e0fe8fe8c2d595bfa30626654e4b87621e0 > v3.9-rc5 > v3.9-rc6 > v3.9-rc7 I'm sure that 3.9-rc4 don't contain this fix commit. > > There is a switch "-s" for how many seconds it should run. Can you try to run > it for couple of minutes, if that makes any difference? I ran it for 5 minutes again but saw no difference. Thanks, Wanlong Gao > > If not, then I'm afraid it's not as reproducible as I thought it would be. > > Regards, > Jan > > ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list