Re: Kernel freeze during ftrace startup test (x86)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2010-10-18 at 17:08 +0200, Jan Kiszka wrote:

> > Just to summarize:
> > - on real HW with rtai-patch the issue is caused by rtai
> > - the vanilla kernel used with vmware has some other issues
> 
> I missed the vanilla part: Can you reproduce under QEMU/KVM? Debugging
> the guest would be easier then, and it's easier to trace what that
> hypervisor does. Maybe there is a subtle race in the test code that is
> exposed by the timing that virtualization implies.

Note, there was a bug fixed due to pv ops and kvm clock being traced:

http://lkml.org/lkml/2010/9/22/455

The two fixes are next in that thread.

-- Steve


--
To unsubscribe from this list: send the line "unsubscribe linux-trace-users" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux USB Development]     [Linux USB Development]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux