Messages in this thread | | | Date | Tue, 20 May 2008 14:19:03 -0700 | From | "Ray Lee" <> | Subject | Re: troubleshooting/debugging hard locks |
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On Tue, May 20, 2008 at 1:47 PM, Lee Howard <faxguy@howardsilvan.com> wrote: > After further troubleshooting it turns out that the message above was a bit > of a red herring. I moved the PCIe modem card from one PCIe slot to another > so that it would be on a different IRQ (one that wasn't shared with the > network, ATA, and USB). The message above does not occur now, however, the > hard lock is back... and this time with no kernel messages at all. > > So, I'm back to square one again... I've got: > > nmi_watchdog=1 idle=poll nohz=off > > ... and still I get the hard lockup and no kernel messages. How do I > troubleshoot/debug this? How do I know where to look?
The only thing I can think of is to recompile the latest mainline kernel with all debugging options enabled in the .config. and then try to reproduce with that.
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