Re: [2.6.23] tasks stuck in running state?

From: Chuck Ebbert
Date: Sun Oct 21 2007 - 11:59:56 EST


On 10/19/2007 08:01 PM, David Miller wrote:
>
> What might be appropriate is just to get a one-line program counter
> dump on every cpu via some new sysrq keystroke.
>

IIRC -mm had something like this but it was buggy because we were
sending IPIs to each processor asking them to print their state.
Maybe it would work if we had a way of making them dump their
state to a memory location and then collected and printed it from
the CPU that's handling the sysrq.
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