Re: [ltt-dev] [BUG] Linux 2.6.28.4 freezing on a 32-bits x86 Thinkpad T43p

2009-02-12 Thread Ingo Molnar
* Mathieu Desnoyers comp...@krystal.dyndns.org wrote: * Mathieu Desnoyers (mathieu.desnoy...@polymtl.ca) wrote: * Ingo Molnar (mi...@elte.hu) wrote: * Mathieu Desnoyers mathieu.desnoy...@polymtl.ca wrote: Here is a new backtrace, taken with a huge amount of debugging active,

Re: [BUG] Linux 2.6.28.4 freezing on a 32-bits x86 Thinkpad T43p

2009-02-11 Thread Ingo Molnar
* Mathieu Desnoyers mathieu.desnoy...@polymtl.ca wrote: Here is a new backtrace, taken with a huge amount of debugging active, which still points to an interrupt handler nested over kvm_mmu_pte_write as the culprit. It's weird that the kvm code gets called on my modest Pentium M laptop,

Re: [BUG] Linux 2.6.28.4 freezing on a 32-bits x86 Thinkpad T43p

2009-02-11 Thread Avi Kivity
Mathieu Desnoyers wrote: * Ingo Molnar (mi...@elte.hu) wrote: * Mathieu Desnoyers mathieu.desnoy...@polymtl.ca wrote: Hi, I've started experiencing freezes on my uniprocessor laptop with a 2.6.28.2/2.6.28.3 kernel with the LTTng patchset applied

Re: [BUG] Linux 2.6.28.4 freezing on a 32-bits x86 Thinkpad T43p

2009-02-11 Thread Mathieu Desnoyers
* Ingo Molnar (mi...@elte.hu) wrote: * Mathieu Desnoyers mathieu.desnoy...@polymtl.ca wrote: Here is a new backtrace, taken with a huge amount of debugging active, which still points to an interrupt handler nested over kvm_mmu_pte_write as the culprit. It's weird that the kvm

Re: [BUG] Linux 2.6.28.4 freezing on a 32-bits x86 Thinkpad T43p

2009-02-11 Thread Marcelo Tosatti
On Wed, Feb 11, 2009 at 08:50:38PM +0100, Ingo Molnar wrote: * Mathieu Desnoyers mathieu.desnoy...@polymtl.ca wrote: Here is a new backtrace, taken with a huge amount of debugging active, which still points to an interrupt handler nested over kvm_mmu_pte_write as the culprit. It's

Re: [ltt-dev] [BUG] Linux 2.6.28.4 freezing on a 32-bits x86 Thinkpad T43p

2009-02-11 Thread Mathieu Desnoyers
* Mathieu Desnoyers (mathieu.desnoy...@polymtl.ca) wrote: * Ingo Molnar (mi...@elte.hu) wrote: * Mathieu Desnoyers mathieu.desnoy...@polymtl.ca wrote: Here is a new backtrace, taken with a huge amount of debugging active, which still points to an interrupt handler nested over