Re: > I even didn't have a backtrace.

[Matthew Garrett]

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@xxxxxxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/