Re: [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk upon panic
From: Ingo Molnar <hidden>
Date: 2011-02-03 17:58:17
Also in:
lkml
From: Ingo Molnar <hidden>
Date: 2011-02-03 17:58:17
Also in:
lkml
* H. Peter Anvin [off-list ref] wrote:
On 02/03/2011 06:36 AM, Pavel Machek wrote:quoted
Could we read the log area, first, verify it contains signature, write it back? PavelYes, but that doesn't guarantee no data corruption caused by handing over from one driver to another.
Waiting a few seconds? Is there any sufficiently high number of X where waiting X seconds would make it safe to touch the hardware? (i.e. it would guarantee that pending commands are flushed, etc.) Thanks, Ingo