Messages in this thread | | | Date | Mon, 25 Jan 2010 12:33:09 +0100 | Subject | Re: [Bug 15076] System panic under load with clockevents_program_event | From | okias <> |
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Okey, I try without highmem soon.
2010/1/25, Thomas Gleixner <tglx@linutronix.de>: > Switched to email. Please reply to all instead of using the bugzilla > interface. > >> --- Comment #4 from okias <d.okias@gmail.com> 2010-01-22 10:17:25 --- >> and it's regression. Now I work on 2.6.32.3 and no problem. > > That's a really weird one. The system is 50 min up and running and out > of the blue it crashes in clockevents_program_event(). This function > has been called a couple of thousand times before that point. > > The only way to crash there is when *dev is pointing into nirwana. dev > comes from > > int tick_program_event(ktime_t expires, int force) > { > struct clock_event_device *dev = > __get_cpu_var(tick_cpu_device).evtdev; > > according to the callchain. At this point nothing fiddles with > tick_cpu_device.evtdev, so I suspect some really nasty memory > corruption going on. > > okias, can you please disable highmem support and verify whether the > problem persists ? > > Thanks, > > tglx >
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