Messages in this thread | | | Date | Mon, 29 Dec 2008 14:07:28 +0000 | From | Matthew Garrett <> | Subject | Re: > I even didn't have a backtrace. |
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On Mon, Dec 29, 2008 at 12:59:57PM +0000, Sitsofe Wheeler wrote: > Igor Podlesny wrote: > > Similar, but no exactly. I just thought that unlikely BIOS erases > >memory content during "fast checks", so kernel diagnostic could be > > My understanding is that the only part of the BIOS that doesn't get > cleared over a reboot (the hardware clock) is already being abused for > suspend tracing - > http://mjmwired.net/kernel/Documentation/power/s2ram.txt .
That's the only part of the system that's guaranteed to persist over a power cycle. You probably have a little more flexibility with a warm reboot.
-- Matthew Garrett | mjg59@srcf.ucam.org
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