Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 12 Sep 2005 02:51:20 -0700 | From | Andrew Morton <> | Subject | Re: [PROBLEM] mtrr's not set, 2.6.13 |
| |
Jim McCloskey <mcclosk@ucsc.edu> wrote: > > I'm not sure who to report this to ....
This works.
> Somewhere between 2.6.11.3 and 2.6.12 (also under 2.6.13), the > following change occurred on this box. > > Under 2.6.11.3, mtrr ranges are automatically set when X is started: > > ---------------------------------------------------------------------- > running 2.6.11.3: > > cat /proc/mtrr > reg00: base=0x00000000 ( 0MB), size= 512MB: write-back, count=1 > reg01: base=0xe8000000 (3712MB), size= 128MB: write-combining, count=2 > reg02: base=0xe0000000 (3584MB), size= 128MB: write-combining, count=1 > ---------------------------------------------------------------------- > > After installation of 2.6.12/13, mtrr ranges are not set: > > ---------------------------------------------------------------------- > running 2.6.13: > > Xorg.0.log: > > (WW) RADEON(0): Failed to set up write-combining range (0xe8000000,0x8000000) > > /var/log/messages: > > Aug 30 17:37:13 localhost kernel: mtrr: type mismatch for e8000000,8000000 old: write-back new: write-combining > Aug 30 17:37:14 localhost kernel: mtrr: type mismatch for e0000000,8000000 old: write-back new: write-combining > Aug 30 17:37:14 localhost kernel: [drm] Initialized radeon 1.16.0 20050311 on minor 0: ATI Technologies Inc RV280 [Radeon 9200] > Aug 30 17:37:14 localhost kernel: mtrr: type mismatch for e8000000,8000000 old: write-back new: write-combining > > cat /proc/mtrr > reg00: base=0x00000000 ( 0MB), size=983552MB: write-back, count=1 > ---------------------------------------------------------------------- > > Under 2.6.13 it's fairly easy to force a crash of the X server (e.g. by > playing Tuxracer badly). > > The only change here is in the kernel-version. I haven't tried all the > point releases between 2.6.11.3 and 2.6.12, but the relevant Changelogs > don't suggest that anything relevant changed.
In a 2.6.13 tree could you please do
wget ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.13-rc2/2.6.13-rc2-mm1/broken-out/mtrr-suspend-resume-cleanup.patch patch -p1 -R < mtrr-suspend-resume-cleanup.patch
and retest?
Thanks. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| ![\](/images/icornerr.gif) |