Re: [SSI-devel] ltp on 3 node ssi cluster 2.6.10
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From: Roopa P. <pra...@in...> - 2005-04-22 05:09:17
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On Fri, 2005-04-22 at 09:24, Aneesh Kumar wrote: > On 4/22/05, Laura Ramirez <lau...@hp...> wrote: > > > > Hi Roopa, > > > > The panic occurred cause the task_struct was freed and the code was > > trying to dereference some fields from it. The fix is to bump the > > task_struct when we are using the task with out the VPROC_LOCK. My > > initial thought was to tell you to a get_task_struct() under lock > > in proc_task(), however when trying to figure out if the fix would > > work, it was easier for me to just make the changes. I have attached > > a patch file with the fix...can you please see it fixes that panic. > > Thanks Laura. > > Can you checkin this changes so that the next kernel build will have the fix I tested the patch with a quick ltp run with stress migrate and continuous pstree of the ltp launch process in the background. I did not see any panic. We might still have other problems, but atleast the pstree panic seems to have gone. Aneesh, I have checked in Laura's patch. Thanks, Roopa > > -aneesh > |