Messages in this thread | | | Date | Wed, 11 Feb 2009 10:52:04 -0800 | From | Yinghai Lu <> | Subject | Re: warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with 2.6.29-rc3 on IBM x3400 |
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Morten P.D. Stevens wrote: > Hi, > >> so there is some problem with your BIOS, please ask the vendor to >> provide one to make >> 2.6.24 happy. > > I'll report the issue to the IBM support. > > on our IBM x3400 servers running RHEL the same output: > > 2.6.18-92.1.10.el5 # > > reg00: base=0xc0000000 (3072MB), size=1024MB: uncachable, count=1 > reg01: base=0x00000000 ( 0MB), size=4096MB: write-back, count=1 > reg02: base=0x100000000 (4096MB), size=1024MB: write-back, count=1 > reg03: base=0xbff80000 (3071MB), size=196608MB: uncachable, count=1
so that bios need to be fixed too.
> > and in dmesg: > > mtrr: type mismatch for d0000000,1000000 old: uncachable new: > write-combining want add one entry for xwindow with your display card. > > > Is this a big problem for direct usage? The performance on these servers > is still fine...? x window could be some slow.
YH
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