On Tue, 2013-12-10 at 02:54 -0500, Jan Stancek wrote: > > > > ----- Original Message ----- > > From: "Jan Stancek" <[email protected]> > > To: "zenglg.jy" <[email protected]> > > Cc: "ltp-list" <[email protected]> > > Sent: Monday, 9 December, 2013 5:15:32 PM > > Subject: Re: [LTP] [PATCH v3 2/2] clone/clone08.c: Add new flags > > > > > > > > I was running v3 with only "CLONE_THREAD" testcase enabled: > > - {"CLONE_PARENT", CLONE_PARENT | CLONE_VM | SIGCHLD, NULL, > > - child_clone_parent}, > > - {"CLONE_CHILD_SETTID", CLONE_CHILD_SETTID | CLONE_VM | SIGCHLD, > > NULL, > > - child_clone_child_settid}, > > - {"CLONE_PARENT_SETTID", CLONE_PARENT_SETTID | CLONE_VM | SIGCHLD, > > NULL, > > - child_clone_parent_settid}, > > -#ifdef CLONE_STOPPED > > - {"CLONE_STOPPED", CLONE_STOPPED | CLONE_VM | SIGCHLD, > > - test_clone_stopped, child_clone_stopped}, > > -#endif > > > > and I see it failing/crashing sometimes. I usually see one of these > > failures: > > > > 1. clone08 4 TBROK : Failed to read from pipe at clone08.c:168: > > errno=EAGAIN(11): Resource temporarily unavailable > > 2. clone08 1 TBROK : The other end of the pipe was closed > > unexpectedly > > at clone08.c:168 > > 3. clone08 4 TPASS : test CLONE_THREAD success > > clone08 1 TBROK : unexpected signal 11 received (pid = 8234). > > clone08 2 TBROK : Remaining cases broken > > clone08 1 TFAIL : son process exits error > > 4. no error, but test doesn't execute as many times as specified on command > > line > > 5. clone08 1 TBROK : unexpected signal 4 received (pid = 28936). > > Some of above are caused by multiple threads reusing same stack area. > Trouble is that with single master child you can't be sure when > CLONE_THREAD child finished using its stack. > > The idea I mentioned in v2 was basically what you did, but the loop for > testcases > would be outside master child - which means spawning master_child for each > testcase. > > I'm travelling these days, but I can have a look at idea above later this week > and see how viable it is. >
OK, thanks. I am working on it. Best regards, Zeng > Regards, > Jan > > > > > Regards, > > Jan > > > > ------------------------------------------------------------------------------ > > Sponsored by Intel(R) XDK > > Develop, test and display web and hybrid apps with a single code base. > > Download it for free now! > > http://pubads.g.doubleclick.net/gampad/clk?id=111408631&iu=/4140/ostg.clktrk > > _______________________________________________ > > Ltp-list mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/ltp-list > > ------------------------------------------------------------------------------ Sponsored by Intel(R) XDK Develop, test and display web and hybrid apps with a single code base. Download it for free now! http://pubads.g.doubleclick.net/gampad/clk?id=111408631&iu=/4140/ostg.clktrk _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
