Messages in this thread | | | Date | Fri, 25 Jan 2008 11:04:20 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH] x86: trim ram need to check if mtrr is there v3 |
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Yinghai Lu wrote: > 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? >
It was empty. But ignore this report; it wasn't against the right version of x86.git.
J
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