Larry LeBlanc wrote:
> Hi Russell,
>
> No luck...I enabled sysrq and verified it was working by issuing
> sysrq-t and sysrq-p while the system was healthy. But when I cause the
> hang sysrq-t and sysrq-p no longer do anything. One source I looked up
> indicated that "Since it [Magic SysRq] is implemented as a part of the
> keyboard driver, it is guaranteed to work most of the time, unless the
> kernel itself is dead." So my conclusion is that my kernel is dead.
>
> Note: I tried sysrq-b on my system when it is healthy and it causes
> the same hang.
>
> Larry
>
> Russell King wrote:
>
>>On Tue, Jul 22, 2003 at 11:24:25AM -0700, Larry LeBlanc wrote:
>>
>>
>>>Any ideas? I've tried turning on debug in apm but all that happens is
>>>the debug messages freeze with the rest of the system. Is there any
>>>other location I should turn on debug messages to try to get an idea of
>>>where the system is hanging?
>>>
>>>
>>
>>You need to enable sysrq, cause a hang, and then issue a sysrq-t and
>>sysrq-p to find out where you're hanging.
>>
>>Note that if you're using a serial console, you need to hold the serial
>>port open for sysrq requests to be processed.
>>
>>
>>
>
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This archive was generated by hypermail 2b29 : Wed Jul 23 2003 - 22:00:47 EST