Linux 6.2-rc1 has memory leak on amdgpu, git bisect bad commit is
"drm/scheduler: rework entity flush, kill and fini".
git bisect start
# status: waiting for both good and bad commits
# good: [eb7081409f94a9a8608593d0fb63a1aa3d6f95d8] Linux 6.1-rc6
git bisect good eb7081409f94a9a8608593d0fb63a1aa3
this patch cause suspend to disk resume amdgpu hang, [drm:amdgpu_job_timedout
[amdgpu]] *ERROR* ring gfx timeout, signaled seq=8330, emitted seq=8332
https://gitlab.freedesktop.org/drm/amd/-/issues/1915
I using amd 3400g running with android-x86, this patch is a bad commit when i
use android-x86 on amdgpu.
This patch cause "x86/PAT : surfaceflinger:1440 map pfn RAM range req
write-combining for [mem 0x064a2000-0x064a2fff], got write-back" problem.
my 2GB ram Bay trail z3735f tablet runing on android-x86, "i915: fix
remap_io_sg to verify the pgprot" cause this problem.
05-09 02:59:25.099 0
this patch no help for x86.
i have same problem on Androidx86 10.
[ 846.089339] x86/PAT: NPDecoder-CL:11141 map pfn RAM range req
write-combining for [mem 0x77c0-0x77c07fff], got write-back
[ 846.089756] x86/PAT: NPDecoder-CL:11141 map pfn RAM range req
write-combining for [mem 0x77c08000