Messages in this thread | | | Date | Thu, 13 Oct 2005 05:26:17 -0700 | From | Mark Knecht <> | Subject | Re: 2.6.14-rc4-rt1 - enable IRQ-off tracing causes kernel to fault at boot |
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On 10/13/05, Ingo Molnar <mingo@elte.hu> wrote: > > * Mark Knecht <markknecht@gmail.com> wrote: > > > Config file attached. The only change was to enable IRQ-off latency > > tracing using make menuconfig. Rebuild and reboot. I got a message > > about the kernel not syncing, lots of stuff above that message about > > do_futex, etc. > > i cannot reproduce your problems - your .config works fine on my x64 > box. A log of the crash would be needed - do you have a null-modem cable > to connect this box to some other nearby box to do serial logging? If > yes then there is a mini-howto below. (for x86, but it works the same > for x64) > > Ingo > > Guitar player doesn't do serial ports? ;-)
OK, I've never done anything like this before, but I'm motivated so I'll give it a shot. Hopefully I can make some headway without having to ask too many stupid questions, such as the one that follows:
Question: Is a 'null modem' cable just a plain serial cable, or is it a special serial cable I need to go buy?
Cheers, Mark - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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