lkml.org 
[lkml]   [2011]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] watchdog, SP5100: Check if firmware has set correct value in tcobase.
On Wed, Mar 16, 2011 at 02:18:17PM -0700, Yinghai Lu wrote:
>
>
> Stefano found SP5100 TCO watchdog driver using wrong address.
>
> [ 9.148536] SP5100 TCO timer: SP5100 TCO WatchDog Timer Driver v0.01
> [ 9.148628] DEBUG __ioremap_caller WARNING address=b8fe00 size=8 valid=1 reserved=1
>
> and e820 said that range is RAM.
>
> We should check if we can use that reading out. BIOS could just program wrong address there.
>
> -v2: Mike pointed out one path need one release.
>
> Reported-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> Signed-off-by:Yinghai Lu <yinghai@kernel.org>
> Acked-by: Mike Waychison <mikew@google.com>

Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

Stefano,

this fixes my bootup issues with your:
xen: set max_pfn_mapped to the last pfn mapped
patch. Will try the full patchset tomorrow.


\
 
 \ /
  Last update: 2011-03-17 01:09    [W:0.846 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site