Messages in this thread | | | Date | Sat, 14 Oct 2006 03:46:24 +0530 | From | Dipankar Sarma <> | Subject | Re: 2.6.18-rt1 |
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On Fri, Oct 13, 2006 at 06:12:16PM -0400, Lee Revell wrote: > On Sat, 2006-10-14 at 02:54 +0530, Dipankar Sarma wrote: > > Can you try with nmi_watchdog=0 in the kernel command line ? > > > > Paul has an NMI-safe patch for rcupreempt which I am adopting > > and testing at the moment. If this works well, I will publish > > a new patchset. > > > > The bug is too hard to hit for me to provide useful feedback. I've only > seen it once since my original report. > > FWIW, I am also seeing hard lockups every 12-24 hours but the box is > headless and I don't have the bandwidth to debug these further. It was > stable with 2.6.17-rt*.
Can you try whatever you were doing with nmi_watchdog=0 ? If it is stable, then that would explain the problem. I believe Andi enabled nmi watchdog on x86_64 by default recently, that might be why we are seeing it now.
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