From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1QOwtN-0007rJ-ST for ltp-list@lists.sourceforge.net; Tue, 24 May 2011 19:03:45 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1QOwtM-0008Rt-VE for ltp-list@lists.sourceforge.net; Tue, 24 May 2011 19:03:45 +0000 Message-ID: <4DDC00FA.4050206@redhat.com> Date: Wed, 25 May 2011 03:03:22 +0800 From: Caspar Zhang MIME-Version: 1.0 References: <4DDBF945.50008@yahoo-inc.com> In-Reply-To: <4DDBF945.50008@yahoo-inc.com> Subject: Re: [LTP] fork13 failure on RHEL 6.0 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: Sandip Bhattacharya Cc: "ltp-list@lists.sourceforge.net" On 05/25/2011 02:30 AM, Sandip Bhattacharya wrote: > I am getting repeated failures on RHEL 6.0 for the fork13 test. Has > anybody else run this test on RHEL 6? This is with the latest patch for > fork13.c incorporated into the source. > > Here is the output that I am getting. The "wait return value" error is > intermittent. > > <<>> > tag=fork13 stime=1306261161 > cmdline="fork13 -c 2 -i 1000000" > contacts="" > analysis=exit > <<>> > fork13 1 TFAIL : Unexpected pid sequence: previous fork: pid=14676, current fork: pid=14676 for iteration=75939. > fork13 1 TFAIL : Wait return value: expected pid=14678, got 21800, iteration 78525. > incrementing stop > <<>> > initiation_status="ok" > duration=13 termination_type=exited termination_id=1 corefile=no > cutime=258 cstime=2550 > <<>> > > I understand that this is a test to check a pid reuse race condition. So > if this test fails, is it very naive to assume that the kernel doesn't have the > patch which fixes this issue? [1] Or could there be a problem with the > test itself? > > [1] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5fdee8c4a5e1800489ce61963208f8cc55e42ea1 Hi, the above commit was not included in RHEL6.0 kernel, which caused the test producing TFAIL. The test itself was OK. Thanks, Caspar ------------------------------------------------------------------------------ vRanger cuts backup time in half-while increasing security. With the market-leading solution for virtual backup and recovery, you get blazing-fast, flexible, and affordable data protection. Download your free trial now. http://p.sf.net/sfu/quest-d2dcopy1 _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list