Messages in this thread | | | Date | Thu, 16 Apr 2009 00:18:06 -0700 | Subject | Re: X freezes intermittently with 2.6.29.1 | From | Yinghai Lu <> |
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On Thu, Apr 16, 2009 at 12:06 AM, David John <davidjon@xenontk.org> wrote: > Hi All, > > With 2.6.29.1 (stock kernel), on my Dell Inspiron 1545, X freezes for > 15-20 seconds at a time randomly every 10 seconds or so making it > unusable. Currently, I use the 2.6.29.1-54.fc11.x86_64 kernel that comes > with Fedora 11 Beta which has the same problem but only when X is left > idle for a period of time. The kernel log is overrun by messages of the > type: > > X:2802 freeing invalid memtype e4b42000-e4b43000 > X:2802 freeing invalid memtype e4b43000-e4b44000 > X:2802 freeing invalid memtype e4b44000-e4b45000
can you try tip? http://people.redhat.com/mingo/tip.git/readme.txt
it seems include one patch for that.
> > This I believe is related to this: > > mtrr: type mismatch for e0000000,10000000 old: write-back new: > write-combining > [drm] MTRR allocation failed. Graphics performance may suffer. > > The MTRR setup is below: > reg00: base=0x000000000 ( 0MB), size=32768MB, count=1: write-back > reg01: base=0x0e0000000 ( 3584MB), size= 512MB, count=1: uncachable > reg02: base=0x07dc00000 ( 2012MB), size= 4MB, count=1: uncachable > reg03: base=0x07e000000 ( 2016MB), size= 32MB, count=1: uncachable > > I think the first entry is bogus. Both kernels come with the > MTRR sanitize option enabled but the code is unable to find an > optimal value. Is there any way to correct this? What values for > mtrr_gran_size and mtrr_chunk_size would be appropriate?
gran_size: 32M chunk_size: 128M num_reg: 7 lose cover RAM: 28M
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