Messages in this thread | | | Date | Wed, 16 Mar 2011 20:00:35 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [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.
| |