From: Caspar Z. <cz...@re...> - 2011-05-24 19:03:45
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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. > > <<<test_start>>> > tag=fork13 stime=1306261161 > cmdline="fork13 -c 2 -i 1000000" > contacts="" > analysis=exit > <<<test_output>>> > 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 > <<<execution_status>>> > initiation_status="ok" > duration=13 termination_type=exited termination_id=1 corefile=no > cutime=258 cstime=2550 > <<<test_end>>> > > 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 |