On Thu, Aug 27, 2009 at 11:40 PM, <gary.m...@bull.com> wrote: > > Hi Stephane > > One of our customers has reported that they get a kernel oops any time they > halt or shutdown nodes in their cluster. They tracked the problem back to > the > routine pfm_cpu_notify (in source file perfmon_hotplug.c). > > They believe that the code: > > /* call PMU module handler if any */ > if (pfm_pmu_conf->hotplug_handler) > pfm_pmu_conf->hotplughandler(action,cpu) > > is executed when pfm_pmu_conf is null. They have made the following > change: > > /* call PMU module handler if any */ > if (pfm_pmu_conf != NULL && pfm_pmu_conf->hotplug_handler ) > pfm_pmu_conf->hotplughandler(action,cpu) >
I will add this test in 2.6.30 then. Thanks. > and retested and the kernel oops no longer occurs. > > We are running with the 2.6.28 perfmon patch set but I checked and the code > is the same > in the 2.6.29 patch set. The 2.6.29 perfmon patches were not available > when we built the > kernel they are running. I now have the 2.6.29 perfmon patches ready to be > included in > Bull's next kernel build. > > This change looks like a safer way to do this code to me, what do you think > ?? > > Thanks > Gary > > > ------------------------------------------------------------------------------ > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day > trial. Simplify your report design, integration and deployment - and focus on > what you do best, core application coding. Discover what's new with > Crystal Reports now. http://p.sf.net/sfu/bobj-july > _______________________________________________ > perfmon2-devel mailing list > perfmon2-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/perfmon2-devel > ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
