Messages in this thread | | | Date | Sat, 14 Jun 2008 09:39:13 +0200 | From | Patrick McHardy <> | Subject | Re: 2.6.26-git: NULL pointer deref in __switch_to |
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Ingo Molnar wrote: > * Suresh Siddha <suresh.b.siddha@intel.com> wrote: > > >> Somehow (as described below?) TS_USEDFPU is set but the fpu is not >> allocated or freed. >> >> Please try the appended patch. >> > > i've queued up your fix in tip/x86/urgent. (Git access coordinates: > http://people.redhat.com/mingo/tip.git/README) > > i'm wondering why this problem was not hit more frequently. Does it need > some special FPU use to trigger? Or does it need an exec() with the FPU > stack still active? (normally the FPU stack is empty at exec() time)
I've recently started running three lguest instances on that machine, maybe that has something to do with it.
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