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SubjectRe: Error: freeing invalid memtype
Pallipadi, Venkatesh wrote:
> Kevin,
>
> Can you please send me the output of
> # cat /debug/x86/pat_memtype_list
>
> (with debugfs mounted at /debug) as soon as you login into X and also
> when you start seeing these errors with etracer and glxinfo.
>

Here is the output before attempting to run glxinfo:

---------------------------------------
PAT memtype list:
uncached-minus @ 0x4fff0000-0x4fff1000
uncached-minus @ 0x4fff0000-0x4fff1000
uncached-minus @ 0x4fff0000-0x4fff4000
uncached-minus @ 0x4fff8000-0x4fff9000
write-combining @ 0xb0000000-0xb8000000
write-combining @ 0xb0000000-0xb8000000
write-combining @ 0xb0000000-0xb8000000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcffff000-0xd0000000
uncached-minus @ 0xcffff000-0xd0000000
write-combining @ 0xd0000000-0xd0101000
write-combining @ 0xd0000000-0xd0101000
write-combining @ 0xd0101000-0xd0102000
write-combining @ 0xd0101000-0xd0102000
write-combining @ 0xd0101000-0xd0102000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0302000-0xd07e2000
write-combining @ 0xd0302000-0xd07e2000
---------------------------------------

and here is the output after:

---------------------------------------
PAT memtype list:
uncached-minus @ 0x4fff0000-0x4fff1000
uncached-minus @ 0x4fff0000-0x4fff1000
uncached-minus @ 0x4fff0000-0x4fff4000
uncached-minus @ 0x4fff8000-0x4fff9000
write-combining @ 0xb0000000-0xb8000000
write-combining @ 0xb0000000-0xb8000000
write-combining @ 0xb0000000-0xb8000000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcfef0000-0xcff00000
uncached-minus @ 0xcffff000-0xd0000000
uncached-minus @ 0xcffff000-0xd0000000
write-combining @ 0xd0000000-0xd0101000
write-combining @ 0xd0000000-0xd0101000
write-combining @ 0xd0101000-0xd0102000
write-combining @ 0xd0101000-0xd0102000
write-combining @ 0xd0101000-0xd0102000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0102000-0xd0302000
write-combining @ 0xd0302000-0xd07e2000
write-combining @ 0xd0302000-0xd07e2000
---------------------------------------

The only difference is:

$ diff pat_before.txt pat_after.txt
24a25
> write-combining @ 0xd0102000-0xd0302000

While dmesg got the following additions:

[ 9648.269894] glxinfo:2441 freeing invalid memtype d0102000-d0112000
[ 9648.269911] glxinfo:2441 freeing invalid memtype d0112000-d0122000
[ 9648.269923] glxinfo:2441 freeing invalid memtype d0122000-d0132000
[ 9648.269935] glxinfo:2441 freeing invalid memtype d0132000-d0142000
[ 9648.269947] glxinfo:2441 freeing invalid memtype d0142000-d0152000
[ 9648.269958] glxinfo:2441 freeing invalid memtype d0152000-d0162000
[ 9648.269970] glxinfo:2441 freeing invalid memtype d0162000-d0172000
[ 9648.269981] glxinfo:2441 freeing invalid memtype d0172000-d0182000
[ 9648.269992] glxinfo:2441 freeing invalid memtype d0182000-d0192000
[ 9648.270021] glxinfo:2441 freeing invalid memtype d0192000-d01a2000
[ 9648.270884] glxinfo:2441 freeing invalid memtype d01a2000-d01b2000
[ 9648.270897] glxinfo:2441 freeing invalid memtype d01b2000-d01c2000
[ 9648.270908] glxinfo:2441 freeing invalid memtype d01c2000-d01d2000
[ 9648.270920] glxinfo:2441 freeing invalid memtype d01d2000-d01e2000
[ 9648.270931] glxinfo:2441 freeing invalid memtype d01e2000-d01f2000
[ 9648.270942] glxinfo:2441 freeing invalid memtype d01f2000-d0202000
[ 9648.270954] glxinfo:2441 freeing invalid memtype d0202000-d0212000
[ 9648.270966] glxinfo:2441 freeing invalid memtype d0212000-d0222000
[ 9648.270977] glxinfo:2441 freeing invalid memtype d0222000-d0232000
[ 9648.270989] glxinfo:2441 freeing invalid memtype d0232000-d0242000
[ 9648.271012] glxinfo:2441 freeing invalid memtype d0242000-d0252000
[ 9648.271748] glxinfo:2441 freeing invalid memtype d0252000-d0262000
[ 9648.271760] glxinfo:2441 freeing invalid memtype d0262000-d0272000
[ 9648.271772] glxinfo:2441 freeing invalid memtype d0272000-d0282000
[ 9648.271783] glxinfo:2441 freeing invalid memtype d0282000-d0292000
[ 9648.271795] glxinfo:2441 freeing invalid memtype d0292000-d02a2000
[ 9648.271806] glxinfo:2441 freeing invalid memtype d02a2000-d02b2000
[ 9648.271818] glxinfo:2441 freeing invalid memtype d02b2000-d02c2000
[ 9648.271829] glxinfo:2441 freeing invalid memtype d02c2000-d02d2000
[ 9648.271841] glxinfo:2441 freeing invalid memtype d02d2000-d02e2000
[ 9648.271854] glxinfo:2441 freeing invalid memtype d02e2000-d02f2000
[ 9648.271865] glxinfo:2441 freeing invalid memtype d02f2000-d0302000


Does that help track down the problem? I am about to try disabling PAT
in my config to see if that fixes things.

--
Kevin Winchester



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