Messages in this thread | | | Subject | Re: perf hw in kexeced kernel broken in tip | From | Peter Zijlstra <> | Date | Wed, 08 Dec 2010 16:15:07 +0100 |
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On Wed, 2010-12-08 at 10:02 -0500, Vivek Goyal wrote:
> >but its kdump so its mostly broken by design anyway ;-) > > Kdump has its share of problems especially with the fact that > kernel/drivers find devices in bad state and are not hardened enough > to deal with that. But on bare metal what's the better way of capturing > kernel crash dump? Trying to do anything post crash in the kernel is > also not very reliable either.
/me <3 RS-232
I haven't found anything better than that...
And poking at the RS-232 requires less of the kernel to be functional than booting into a new kernel (whose image might have been corrupted by the dying kernel, etc..)
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