Messages in this thread |  | | | From | Arkadiusz Miskiewicz <> | | Subject | Re: 2.6.29 git master and PAT problems | | Date | Wed, 15 Apr 2009 19:45:56 +0200 |
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On Thursday 09 of April 2009, Pallipadi, Venkatesh wrote: > On Wed, Apr 08, 2009 at 01:17:11AM -0700, Ingo Molnar wrote: > > * Arkadiusz Miskiewicz <a.miskiewicz@gmail.com> wrote: > > > On Wednesday 08 of April 2009, Pallipadi, Venkatesh wrote: > > > > On Tue, Apr 07, 2009 at 02:12:28AM -0700, Arkadiusz Miskiewicz wrote: > > > > > On Tuesday 07 of April 2009, Pallipadi, Venkatesh wrote: > > > > > > On Thu, 2009-04-02 at 00:12 -0700, Arkadiusz Miskiewicz wrote: > > > > > > > > > > > > I was finally able to reproduce the problem of "freeing invalid > > > > > > memtype" with upstream git kernel (commit 0221c81b1b) + latest > > > > > > xf86 intel driver. But, with upstream + the patch I had sent you > > > > > > earlier in this thread > > > > > > (http://marc.info/?l=linux-kernel&m=123863345520617&w=2) I don't > > > > > > see those freeing invalid memtype errors anymore. > > > > > > > > > > > > Can you please double check with current git and that patch and > > > > > > let me know if you are still seeing the problem. > > > > > > > > > > Latest linus tree + that patch (it's really applied here), xserver > > > > > 1.6, libdrm from git master, intel driver from git master, > > > > > previously mesa 7.4 (and 7.5 snap currently), tremolous.net 1.1.0 > > > > > game (tremolous-smp binary), GM45 gpu. > > > > > > > > > > To reproduce I just need to run tremolous-smp and connect to some > > > > > map. When map finishes loading I instantly get: > > > > > > [...] > > > > > > > OK. One more test patch below, applies over linus's git and you can > > > > ignore the earlier patch. The patch below should get rid of the > > > > problem and as it removes the track/untrack of vm_insert_pfn > > > > completely. This will also eliminate the overhead of hundreds or > > > > thousands of entries in pat_memtype_list. Can you please test it. > > > > > > With this patch I'm no longer able to reproduce problem. Thanks! > > > > Great, thanks! > > > > Venki, mind sending a patch with a proper changelog, Reported-by, > > Tested-by tags, with Nick and Andrew Cc:-ed for the memory.c bits, > > etc.? > > Ingo, > > Below is the cleaner version of the patch. It does not have any changes in > mm as we are only removing the tracking inside the PAT code. I have left > the generic mm interface as is, until we fully resolve the issue in future. > > Thanks, > Venki > > Subject: [PATCH] x86, PAT: Remove page granularity tracking for > vm_insert_pfn maps
I wonder what's with these patches that they missed rc2 ?
This one and Subject: [PATCH] x86, PAT: Remove duplicate memtype reserve in pci mmap
-- Arkadiusz Miśkiewicz PLD/Linux Team arekm / maven.pl http://ftp.pld-linux.org/
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