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SubjectRe: [patch] voluntary-preempt-

* Peter Zijlstra <> wrote:

> It still locks up hard for me when voluntary-preempt=3, however it
> does finish the boot; dmesg attached. The lockup occurs several
> minutes into use; usually by by the time I've started X, launched
> evolution and selected my first imap folder the machine's dead.

can you set up a serial logging via a null modem cable from that box to
another box? Then enable the NMI watchdog via nmi_watchdog=1 and
reproduce the lockup - the NMI watchdog should trigger and should
produce a traceback to the serial console.

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