[Intrepid] SRU: Kernel panic on boot if SMP (ASUS M3A-H/HDMI
Stefan Bader
stefan.bader at canonical.com
Mon Apr 27 18:02:52 UTC 2009
Stefan Bader wrote:
> SRU Justification:
>
> Impact: The BIOS is expected to clear the SYSCFG[MtrrFixDramModEn] on
> AMD CPUs
> after fixed MTRRs are configured. Some BIOSes do not clear
> SYSCFG[MtrrFixDramModEn] on BP (and on APs), which leads to panics and
> freezes.
>
> Fix: Attached patch from upstream which is included in Jaunty and has
> been verified to help on Intrepid too.
>
> Testcase: see bug report.
>
>
Actually, there is a Hardy task for that as well. So requesting SRU for both.
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