Messages in this thread | | | Date | Fri, 25 Jan 2008 11:19:02 -0800 | From | Yinghai Lu <> | Subject | Re: [PATCH] x86: trim ram need to check if mtrr is there v3 |
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On Friday 25 January 2008 10:55:31 am Jeremy Fitzhardinge wrote: > Ingo Molnar wrote: > > * Yinghai Lu <Yinghai.Lu@Sun.COM> wrote: > > > > > >> [PATCH] x86: trim ram need to check if mtrr is there v3 > >> > > > > > >>> H. Peter Anvin wrote: > >>> Looks like the code doesn't check that the CPU *has* MTRRs... > >>> > >> so more strict check if mtrr is there really. > >> bail out if mtrr all blank when qemu cpu model is used > >> > >> and check if is AMD as early > >> also remove 4G less check, according to hpa. > >> > > > > thanks, applied. Shouldnt we put in an exception for when there is MTRR > > support, but they dont cover anything. Still emit a warning - but > > booting up real slow is still better than losing all of RAM and crashing > > > > The problem is re-occuring for me with current x86.git. Looks like v2 > did the trick, and v3 is broken...
so the ram size less 4g is way out for your case.
again, can you post /proc/mtrrs with v2 patch?
Thanks
YH
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