[Bug 214029] New: [NAVI] Several memory leaks in amdgpu and ttm

[Bug 214029] New: [NAVI] Several memory leaks in amdgpu and ttm

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214029

            Bug ID: 214029
           Summary: [NAVI] Several memory leaks in amdgpu and ttm
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.14-rc5
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: erhard_f@mailbox.org
                CC: daniel@ffwll.ch
        Regression: No

Created attachment 298265
  --> https://bugzilla.kernel.org/attachment.cgi?id=298265&action=edit
kernel dmesg (kernel 5.14-rc5, AMD FX-8370)

Getting this on kernel 5.14-rc5 with my Radeon RX 5500.

unreferenced object 0xffff888169af1b40 (size 216):
  comm "lightdm-gtk-gre", pid 662, jiffies 4294902381 (age 13444.937s)
  hex dump (first 32 bytes):
    d0 1b af 69 81 88 ff ff 60 cb b9 c0 ff ff ff ff  ...i....`.......
    80 73 48 e1 13 00 00 00 58 7d c1 0b 00 c9 ff ff  .sH.....X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff888263377700 (size 72):
  comm "sdma0", pid 345, jiffies 4294902381 (age 13444.937s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    f2 a0 4c e1 13 00 00 00 58 28 9b c9 81 88 ff ff  ..L.....X(......
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff88811314b9c0 (size 216):
  comm "mate-session-ch", pid 768, jiffies 4294905408 (age 13434.854s)
  hex dump (first 32 bytes):
    50 ba 14 13 81 88 ff ff 60 cb b9 c0 ff ff ff ff  P.......`.......
    dc 7a c1 3a 16 00 00 00 58 7d c1 0b 00 c9 ff ff  .z.:....X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff888167ffc340 (size 72):
  comm "sdma0", pid 345, jiffies 4294905408 (age 13434.854s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    ac b5 c5 3a 16 00 00 00 58 e4 a7 01 81 88 ff ff  ...:....X.......
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff888113b6d240 (size 216):
  comm "mate-screensave", pid 57770, jiffies 4295052030 (age 12946.214s)
  hex dump (first 32 bytes):
    d0 d2 b6 13 81 88 ff ff 60 cb b9 c0 ff ff ff ff  ........`.......
    a2 85 ff 05 88 00 00 00 58 7d c1 0b 00 c9 ff ff  ........X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8881c85d6e80 (size 72):
  comm "sdma0", pid 345, jiffies 4295052030 (age 12946.217s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    0c a0 03 06 88 00 00 00 58 34 14 75 82 88 ff ff  ........X4.u....
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff888119b78940 (size 216):
  comm "mate-screensave", pid 98610, jiffies 4295149755 (age 12620.510s)
  hex dump (first 32 bytes):
    d0 89 b7 19 81 88 ff ff 60 cb b9 c0 ff ff ff ff  ........`.......
    08 db 28 de d3 00 00 00 58 7d c1 0b 00 c9 ff ff  ..(.....X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8882589af700 (size 72):
  comm "sdma0", pid 345, jiffies 4295149755 (age 12620.514s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    17 3c 2d de d3 00 00 00 58 b4 df 67 81 88 ff ff  .<-.....X..g....
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff8881274ccac0 (size 216):
  comm "mate-screensave", pid 98731, jiffies 4295150087 (age 12619.460s)
  hex dump (first 32 bytes):
    50 cb 4c 27 81 88 ff ff 60 cb b9 c0 ff ff ff ff  P.L'....`.......
    7e bc 18 20 d4 00 00 00 58 7d c1 0b 00 c9 ff ff  ~.. ....X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff888255796940 (size 72):
  comm "sdma0", pid 345, jiffies 4295150087 (age 12619.464s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    0f be 1c 20 d4 00 00 00 58 70 a1 be 81 88 ff ff  ... ....Xp......
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff88823ef75540 (size 216):
  comm "glxinfo", pid 173188, jiffies 4298442862 (age 1643.630s)
  hex dump (first 32 bytes):
    d0 55 f7 3e 82 88 ff ff 60 cb b9 c0 ff ff ff ff  .U.>....`.......
    d7 bb 9c a7 cf 0a 00 00 58 7d c1 0b 00 c9 ff ff  ........X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff88826dfee1c0 (size 72):
  comm "sdma0", pid 345, jiffies 4298442862 (age 1643.630s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    91 e3 a0 a7 cf 0a 00 00 58 04 01 14 81 88 ff ff  ........X.......
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff88823ef756c0 (size 216):
  comm "glxinfo:sh0", pid 173194, jiffies 4298442879 (age 1643.620s)
  hex dump (first 32 bytes):
    50 57 f7 3e 82 88 ff ff 60 cb b9 c0 ff ff ff ff  PW.>....`.......
    3a 18 f8 aa cf 0a 00 00 58 7d c1 0b 00 c9 ff ff  :.......X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8882a950cb80 (size 72):
  comm "sdma0", pid 345, jiffies 4298442879 (age 1643.620s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    27 7b fc aa cf 0a 00 00 58 cc ec 19 81 88 ff ff  '{......X.......
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff888227171840 (size 216):
  comm "glxinfo", pid 173188, jiffies 4298442879 (age 1643.620s)
  hex dump (first 32 bytes):
    d0 18 17 27 82 88 ff ff 60 cb b9 c0 ff ff ff ff  ...'....`.......
    f0 c7 0c ab cf 0a 00 00 58 7d c1 0b 00 c9 ff ff  ........X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8882a950cac0 (size 72):
  comm "sdma0", pid 345, jiffies 4298442879 (age 1643.620s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    f1 fe 10 ab cf 0a 00 00 58 9c ec 19 81 88 ff ff  ........X.......
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff88816aaca940 (size 216):
  comm "glxinfo", pid 173247, jiffies 4298445099 (age 1636.294s)
  hex dump (first 32 bytes):
    d0 a9 ac 6a 81 88 ff ff 60 cb b9 c0 ff ff ff ff  ...j....`.......
    4d 52 2f 64 d1 0a 00 00 58 7d c1 0b 00 c9 ff ff  MR/d....X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff88825fe8d700 (size 72):
  comm "sdma0", pid 345, jiffies 4298445099 (age 1636.294s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    63 72 33 64 d1 0a 00 00 58 64 7b 47 81 88 ff ff  cr3d....Xd{G....
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff8881433c2940 (size 216):
  comm "glxinfo:sh0", pid 173253, jiffies 4298445116 (age 1636.240s)
  hex dump (first 32 bytes):
    d0 29 3c 43 81 88 ff ff 60 cb b9 c0 ff ff ff ff  .)<C....`.......
    1b 8a 79 67 d1 0a 00 00 58 7d c1 0b 00 c9 ff ff  ..yg....X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff88825fe8d580 (size 72):
  comm "sdma0", pid 345, jiffies 4298445116 (age 1636.240s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    99 20 7e 67 d1 0a 00 00 58 a8 28 8b 82 88 ff ff  . ~g....X.(.....
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff8881433c24c0 (size 216):
  comm "glxinfo", pid 173247, jiffies 4298445116 (age 1636.314s)
  hex dump (first 32 bytes):
    50 25 3c 43 81 88 ff ff 60 cb b9 c0 ff ff ff ff  P%<C....`.......
    57 37 94 67 d1 0a 00 00 58 7d c1 0b 00 c9 ff ff  W7.g....X}......
  backtrace:
    [<ffffffffc0b9914f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc0b944de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc138dd37>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc0f7ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f7b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f7ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0a79897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc0a7d297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc0f83444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f93313>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffab55c3b3>] __do_fault+0xf3/0x3e0
    [<ffffffffab56e5ab>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffab56f5ca>] handle_mm_fault+0x12a/0x490
    [<ffffffffab0908b9>] do_user_addr_fault+0x259/0xb70
    [<ffffffffac7b6935>] exc_page_fault+0x55/0xb0
    [<ffffffffac800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8881dbf6b340 (size 72):
  comm "sdma0", pid 345, jiffies 4298445116 (age 1636.314s)
  hex dump (first 32 bytes):
    f0 f3 5c 69 81 88 ff ff 80 8a cf c1 ff ff ff ff  ..\i............
    f9 60 98 67 d1 0a 00 00 58 b4 28 8b 82 88 ff ff  .`.g....X.(.....
  backtrace:
    [<ffffffffc0f70521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc0fdd4bb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc138d09e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc0b9792e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffab12fda2>] kthread+0x342/0x410
    [<ffffffffab0030d2>] ret_from_fork+0x22/0x30


 $ inxi -bZ
System:    Kernel: 5.14.0-rc5-bdver2 x86_64 bits: 64 Desktop: MATE 1.24.1
Distro: Gentoo Base System release 2.7 
Machine:   Type: Desktop System: Gigabyte product: N/A v: N/A serial:
<superuser/root required> 
           Mobo: Gigabyte model: 970-GAMING v: x.x serial: <superuser/root
required> UEFI: American Megatrends v: F2 
           date: 04/06/2016 
CPU:       Info: 8-Core AMD FX-8370 [MCP] speed: 1727 MHz min/max: 1400/4000
MHz 
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Navi 14 [Radeon RX
5500/5500M / Pro 5500M] driver: amdgpu v: kernel 
           Display: x11 server: X.Org 1.20.11 driver: amdgpu,ati unloaded:
fbdev,modesetting,radeon resolution: 1920x1080~60Hz 
           OpenGL: renderer: Radeon RX 5500 XT (NAVI14 DRM 3.42.0
5.14.0-rc5-bdver2 LLVM 12.0.1) v: 4.6 Mesa 21.1.4 
Network:   Device-1: Qualcomm Atheros Killer E2400 Gigabit Ethernet driver: alx 

 $ lspci 
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD9x0/RX980 Host
Bridge (rev 02)
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD/ATI] RD890S/RD990 I/O Memory
Management Unit (IOMMU)
00:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980
PCI to PCI bridge (PCI Express GFX port 0)
00:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980
PCI to PCI bridge (PCI Express GPP Port 0)
00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980
PCI to PCI bridge (PCI Express GPP Port 2)
00:09.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RD890/RD9x0/RX980
PCI to PCI bridge (PCI Express GPP Port 4)
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] (rev 40)
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller
(rev 42)
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia
(Intel HDA) (rev 40)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0
LPC host controller (rev 40)
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI
Bridge (rev 40)
00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
00:15.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB700/SB800/SB900
PCI to PCI bridge (PCIE port 0)
00:16.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:16.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor
Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor
Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor
Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor
Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor
Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h Processor
Function 5
01:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Upstream
Port of PCI Express Switch (rev c5)
02:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL
Downstream Port of PCI Express Switch
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi
14 [Radeon RX 5500/5500M / Pro 5500M] (rev c5)
03:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 HDMI Audio
04:00.0 USB controller: Renesas Technology Corp. uPD720201 USB 3.0 Host
Controller (rev 03)
05:00.0 Non-Volatile memory controller: Shenzhen Longsys Electronics Co., Ltd.
Device 2263 (rev 03)
06:00.0 USB controller: ASMedia Technology Inc. ASM1143 USB 3.1 Host Controller
08:00.0 Ethernet controller: Qualcomm Atheros Killer E2400 Gigabit Ethernet
Controller (rev 10)

 # lspci -vv -s 03:00.0
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi
14 [Radeon RX 5500/5500M / Pro 5500M] (rev c5) (prog-if 00 [VGA controller])
        Subsystem: ASRock Incorporation Navi 14 [Radeon RX 5500/5500M / Pro
5500M]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 65
        IOMMU group: 17
        Region 0: Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Region 2: Memory at d0000000 (64-bit, prefetchable) [size=2M]
        Region 4: I/O ports at e000 [size=256]
        Region 5: Memory at fe500000 (32-bit, non-prefetchable) [size=512K]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [48] Vendor Specific Information: Len=08 <?>
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1+,D2+,D3hot+,D3cold+)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [64] Express (v2) Legacy Endpoint, MSI 00
                DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us, L1
unlimited
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
                DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
                        RlxdOrd- ExtTag+ PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr-
TransPend-
                LnkCap: Port #0, Speed 16GT/s, Width x16, ASPM L0s L1, Exit
Latency L0s <64ns, L1 <1us
                        ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
                LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 16GT/s (ok), Width x16 (ok)
                        TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP-
LTR+
                         10BitTagComp+ 10BitTagReq+ OBFF Not Supported, ExtFmt+
EETLPPrefix+, MaxEETLPPrefixes 1
                         EmergencyPowerReduction Not Supported,
EmergencyPowerReductionInit-
                         FRS-
                         AtomicOpsCap: 32bit+ 64bit+ 128bitCAS-
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR-
OBFF Disabled,
                         AtomicOpsCtl: ReqEn-
                LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+
2Retimers+ DRS-
                LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis-
                         Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
                         Compliance De-emphasis: -6dB
                LnkSta2: Current De-emphasis Level: -3.5dB,
EqualizationComplete+ EqualizationPhase1+
                         EqualizationPhase2+ EqualizationPhase3+
LinkEqualizationRequest-
                         Retimer- 2Retimers- CrosslinkRes: unsupported
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee01004  Data: 0025
        Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
        Capabilities: [150 v2] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout-
AdvNonFatalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout-
AdvNonFatalErr+
                AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn-
ECRCChkCap+ ECRCChkEn-
                        MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
                HeaderLog: 00000000 00000000 00000000 00000000
        Capabilities: [200 v1] Physical Resizable BAR
                BAR 0: current size: 256MB, supported: 256MB 512MB 1GB 2GB 4GB
8GB
                BAR 2: current size: 2MB, supported: 2MB 4MB 8MB 16MB 32MB 64MB
128MB 256MB
        Capabilities: [240 v1] Power Budgeting <?>
        Capabilities: [270 v1] Secondary PCI Express
                LnkCtl3: LnkEquIntrruptEn- PerformEqu-
                LaneErrStat: 0
        Capabilities: [2a0 v1] Access Control Services
                ACSCap: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd-
EgressCtrl- DirectTrans-
                ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd-
EgressCtrl- DirectTrans-
        Capabilities: [2b0 v1] Address Translation Service (ATS)
                ATSCap: Invalidate Queue Depth: 00
                ATSCtl: Enable-, Smallest Translation Unit: 00
        Capabilities: [2c0 v1] Page Request Interface (PRI)
                PRICtl: Enable- Reset-
                PRISta: RF- UPRGI- Stopped+
                Page Request Capacity: 00000100, Page Request Allocation:
00000000
        Capabilities: [2d0 v1] Process Address Space ID (PASID)
                PASIDCap: Exec+ Priv+, Max PASID Width: 10
                PASIDCtl: Enable- Exec- Priv-
        Capabilities: [320 v1] Latency Tolerance Reporting
                Max snoop latency: 0ns
                Max no snoop latency: 0ns
        Capabilities: [400 v1] Data Link Feature <?>
        Capabilities: [410 v1] Physical Layer 16.0 GT/s <?>
        Capabilities: [440 v1] Lane Margining at the Receiver <?>
        Kernel driver in use: amdgpu
        Kernel modules: amdgpu

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[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214029

--- Comment #1 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298267
  --> https://bugzilla.kernel.org/attachment.cgi?id=298267&action=edit
output of kmemleak (kernel 5.14-rc5, AMD FX-8370)

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[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214029

--- Comment #2 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298269
  --> https://bugzilla.kernel.org/attachment.cgi?id=298269&action=edit
kernel .config (kernel 5.14-rc5, AMD FX-8370)

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[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214029

Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #298269|0                           |1
        is obsolete|                            |

--- Comment #3 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298525
  --> https://bugzilla.kernel.org/attachment.cgi?id=298525&action=edit
kernel .config (kernel 5.14, AMD FX-8370)

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[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=214029

Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #298265|0                           |1
        is obsolete|                            |

--- Comment #4 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298527
  --> https://bugzilla.kernel.org/attachment.cgi?id=298527&action=edit
kernel dmesg (kernel 5.14, AMD FX-8370)

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[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

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https://bugzilla.kernel.org/show_bug.cgi?id=214029

Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #298267|0                           |1
        is obsolete|                            |

--- Comment #5 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298529
  --> https://bugzilla.kernel.org/attachment.cgi?id=298529&action=edit
output of kmemleak (kernel 5.14, AMD FX-8370)

[...]
unreferenced object 0xffff8881dd96f0c0 (size 216):
  comm "lxdm-greeter-gt", pid 619, jiffies 4294888177 (age 3729.577s)
  hex dump (first 32 bytes):
    50 f1 96 dd 81 88 ff ff 20 8b 72 c0 ff ff ff ff  P....... .r.....
    c0 3a 59 da 08 00 00 00 58 fd a6 08 00 c9 ff ff  .:Y.....X.......
  backtrace:
    [<ffffffffc072514f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc07204de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc159e317>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc118ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc118b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc118ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0887897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc088b297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc1193444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc11a3323>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffb255c853>] __do_fault+0xf3/0x3e0
    [<ffffffffb256ea4b>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffb256fa6a>] handle_mm_fault+0x12a/0x490
    [<ffffffffb2090909>] do_user_addr_fault+0x259/0xb70
    [<ffffffffb37ad665>] exc_page_fault+0x55/0xb0
    [<ffffffffb3800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff888120f77100 (size 72):
  comm "sdma0", pid 344, jiffies 4294888177 (age 3729.577s)
  hex dump (first 32 bytes):
    30 f4 ec 3a 81 88 ff ff 20 8a f0 c1 ff ff ff ff  0..:.... .......
    a3 49 5d da 08 00 00 00 58 84 a3 0c 82 88 ff ff  .I].....X.......
  backtrace:
    [<ffffffffc1180521>] amdgpu_fence_emit+0x91/0x790 [amdgpu]
    [<ffffffffc11ed4cb>] amdgpu_ib_schedule+0x8cb/0x12f0 [amdgpu]
    [<ffffffffc159d67e>] amdgpu_job_run+0x35e/0x790 [amdgpu]
    [<ffffffffc072392e>] drm_sched_main+0x64e/0xc60 [gpu_sched]
    [<ffffffffb212fdf2>] kthread+0x342/0x410
    [<ffffffffb20030d2>] ret_from_fork+0x22/0x30
unreferenced object 0xffff888246342640 (size 216):
  comm "mate-session-ch", pid 718, jiffies 4294890392 (age 3722.200s)
  hex dump (first 32 bytes):
    d0 26 34 46 82 88 ff ff 20 8b 72 c0 ff ff ff ff  .&4F.... .r.....
    03 71 65 92 0a 00 00 00 58 fd a6 08 00 c9 ff ff  .qe.....X.......
  backtrace:
    [<ffffffffc072514f>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc07204de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc159e317>] amdgpu_job_submit+0x27/0x2d0 [amdgpu]
    [<ffffffffc118ae6e>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc118b6ca>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc118ce06>] amdgpu_bo_move+0x356/0x2180 [amdgpu]
    [<ffffffffc0887897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc088b297>] ttm_bo_validate+0x2c7/0x450 [ttm]
    [<ffffffffc1193444>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc11a3323>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffffb255c853>] __do_fault+0xf3/0x3e0
    [<ffffffffb256ea4b>] __handle_mm_fault+0x1bcb/0x2ac0
    [<ffffffffb256fa6a>] handle_mm_fault+0x12a/0x490
    [<ffffffffb2090909>] do_user_addr_fault+0x259/0xb70
    [<ffffffffb37ad665>] exc_page_fault+0x55/0xb0
    [<ffffffffb3800acb>] asm_exc_page_fault+0x1b/0x20
[...]

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[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

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xiehuanjun (xiehuanjun@uniontech.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xiehuanjun@uniontech.com

--- Comment #6 from xiehuanjun (xiehuanjun@uniontech.com) ---
hi

use your .config (with CONFIG_DEBUG_KMEMLEAK=y) to make a kernel image and
install this image ,then reboot the system, the issue will be reproduced?

thanks.

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--- Comment #7 from Erhard F. (erhard_f@mailbox.org) ---
(In reply to xiehuanjun from comment #6)
> hi
> 
> use your .config (with CONFIG_DEBUG_KMEMLEAK=y) to make a kernel image and
> install this image ,then reboot the system, the issue will be reproduced?
This debugging kernel is already built with CONFIG_DEBUG_KMEMLEAK=y. And yes,
the issue is reproducible, happens every time after some desktop useage.

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--- Comment #8 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298783
  --> https://bugzilla.kernel.org/attachment.cgi?id=298783&action=edit
output of kmemleak (kernel 5.15-rc1, AMD FX-8370)

Seems unchanged in kernel 5.15-rc1.

 # cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff88810830b400 (size 1024):
  comm "lxdm-greeter-gt", pid 624, jiffies 4294887923 (age 1566.300s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 08 b4 30 08 81 88 ff ff  ..........0.....
    08 b4 30 08 81 88 ff ff 30 f5 10 9b 81 88 ff ff  ..0.....0.......
  backtrace:
    [<ffffffffc1352a88>] amdgpu_job_alloc+0x38/0x2f0 [amdgpu]
    [<ffffffffc1352d67>] amdgpu_job_alloc_with_ib+0x27/0xf0 [amdgpu]
    [<ffffffffc0f37323>] amdgpu_copy_buffer+0x1d3/0x700 [amdgpu]
    [<ffffffffc0f37e4a>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f39586>] amdgpu_bo_move+0x356/0x2050 [amdgpu]
    [<ffffffffc06fa897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc06fe403>] ttm_bo_validate+0x2b3/0x3b0 [ttm]
    [<ffffffffc0f3fa84>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f4f903>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffff97568963>] __do_fault+0xf3/0x3e0
    [<ffffffff9757a5f5>] __handle_mm_fault+0x16e5/0x2aa0
    [<ffffffff9757bada>] handle_mm_fault+0x12a/0x490
    [<ffffffff9708e449>] do_user_addr_fault+0x259/0xb70
    [<ffffffff988137a5>] exc_page_fault+0x55/0xb0
    [<ffffffff98a00acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8881fe3ca4c0 (size 216):
  comm "lxdm-greeter-gt", pid 624, jiffies 4294887923 (age 1566.300s)
  hex dump (first 32 bytes):
    50 a5 3c fe 81 88 ff ff 20 ab 74 c0 ff ff ff ff  P.<..... .t.....
    e0 ea 04 ac 08 00 00 00 50 fd c5 08 00 c9 ff ff  ........P.......
  backtrace:
    [<ffffffffc07471df>] drm_sched_fence_create+0x1f/0x1d0 [gpu_sched]
    [<ffffffffc07424de>] drm_sched_job_init+0x10e/0x240 [gpu_sched]
    [<ffffffffc13538a5>] amdgpu_job_submit+0x25/0x100 [amdgpu]
    [<ffffffffc0f375ee>] amdgpu_copy_buffer+0x49e/0x700 [amdgpu]
    [<ffffffffc0f37e4a>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f39586>] amdgpu_bo_move+0x356/0x2050 [amdgpu]
    [<ffffffffc06fa897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc06fe403>] ttm_bo_validate+0x2b3/0x3b0 [ttm]
    [<ffffffffc0f3fa84>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f4f903>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffff97568963>] __do_fault+0xf3/0x3e0
    [<ffffffff9757a5f5>] __handle_mm_fault+0x16e5/0x2aa0
    [<ffffffff9757bada>] handle_mm_fault+0x12a/0x490
    [<ffffffff9708e449>] do_user_addr_fault+0x259/0xb70
    [<ffffffff988137a5>] exc_page_fault+0x55/0xb0
    [<ffffffff98a00acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8881cdbb7000 (size 1024):
  comm "mate-session-ch", pid 722, jiffies 4294890054 (age 1559.204s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 08 70 bb cd 81 88 ff ff  .........p......
    08 70 bb cd 81 88 ff ff 30 f5 10 9b 81 88 ff ff  .p......0.......
  backtrace:
    [<ffffffffc1352a88>] amdgpu_job_alloc+0x38/0x2f0 [amdgpu]
    [<ffffffffc1352d67>] amdgpu_job_alloc_with_ib+0x27/0xf0 [amdgpu]
    [<ffffffffc0f37323>] amdgpu_copy_buffer+0x1d3/0x700 [amdgpu]
    [<ffffffffc0f37e4a>] amdgpu_ttm_copy_mem_to_mem+0x5fa/0xf00 [amdgpu]
    [<ffffffffc0f39586>] amdgpu_bo_move+0x356/0x2050 [amdgpu]
    [<ffffffffc06fa897>] ttm_bo_handle_move_mem+0x1c7/0x620 [ttm]
    [<ffffffffc06fe403>] ttm_bo_validate+0x2b3/0x3b0 [ttm]
    [<ffffffffc0f3fa84>] amdgpu_bo_fault_reserve_notify+0x2a4/0x640 [amdgpu]
    [<ffffffffc0f4f903>] amdgpu_gem_fault+0x123/0x2d0 [amdgpu]
    [<ffffffff97568963>] __do_fault+0xf3/0x3e0
    [<ffffffff9757a5f5>] __handle_mm_fault+0x16e5/0x2aa0
    [<ffffffff9757bada>] handle_mm_fault+0x12a/0x490
    [<ffffffff9708e449>] do_user_addr_fault+0x259/0xb70
    [<ffffffff988137a5>] exc_page_fault+0x55/0xb0
    [<ffffffff98a00acb>] asm_exc_page_fault+0x1b/0x20
[...]

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[Bug 214029] [NAVI] Several memory leaks in amdgpu and ttm

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--- Comment #9 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298785
  --> https://bugzilla.kernel.org/attachment.cgi?id=298785&action=edit
kernel dmesg (kernel 5.15-rc1, AMD FX-8370)

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #298525|0                           |1
        is obsolete|                            |

--- Comment #10 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298787
  --> https://bugzilla.kernel.org/attachment.cgi?id=298787&action=edit
kernel .config (kernel 5.15-rc1, AMD FX-8370)

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #298785|0                           |1
        is obsolete|                            |

--- Comment #11 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298891
  --> https://bugzilla.kernel.org/attachment.cgi?id=298891&action=edit
kernel dmesg (kernel 5.15-rc2, AMD FX-8370)

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #298787|0                           |1
        is obsolete|                            |

--- Comment #12 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298893
  --> https://bugzilla.kernel.org/attachment.cgi?id=298893&action=edit
kernel .config (kernel 5.15-rc2, AMD FX-8370)

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--- Comment #13 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298897
  --> https://bugzilla.kernel.org/attachment.cgi?id=298897&action=edit
bisect.log

Verified that the issue still exists in latest v5.15-rc2 and v5.14.6 and did a
bisect:

# possible first bad commit: [355b60296143a090039211c5f0e1463f84aab65a] Merge
drm/drm-next into drm-misc-next
# possible first bad commit: [91185d55b32e7e377f15fb46a62b216f8d3038d4] drm:
Remove DRM_KMS_FB_HELPER Kconfig option
# possible first bad commit: [a50e74bec1d17e95275909660c6b43ffe11ebcf0]
drm/zte: Don't select DRM_KMS_FB_HELPER
# possible first bad commit: [13b29cc3a722c2c0bc9ab9f72f9047d55d08a2f9]
drm/mxsfb: Don't select DRM_KMS_FB_HELPER
# possible first bad commit: [5dbf2fc587cb79cb366bd6e79ac6b52269d64fc5]
drm/vmwgfx: Make console emulation depend on DRM_FBDEV_EMULATION
# possible first bad commit: [c777dc9e793342ecdfc95045d2127a3ea32791a0]
drm/ttm: move the page_alignment into the BO v2
# possible first bad commit: [65747ded86b4608387d5618d14f0fe9dc88e17ea]
drm/ttm: minor range manager coding style clean ups
# possible first bad commit: [d02117f8efaa5fbc37437df1ae955a147a2a424a]
drm/ttm: remove special handling for non GEM drivers
# possible first bad commit: [13ea9aa1e7d891e950230e82f1dd2c84e5debcff]
drm/ttm: fix error handling if no BO can be swapped out v4
# possible first bad commit: [ae053fa234f42b4abc582372af7410ad0e3e1dad] drm:
bridge: adv7511: Support I2S IEC958 encoded PCM format

I had to skip a few commits as kmemleak did not properly work for some commits
due to:
[...]
[    0.706509] kmemleak: Cannot insert 0xffff953c1ba02f40 into the object
search tree (overlaps existing)
[    0.706514] CPU: 0 PID: 6 Comm: kthreadd Not tainted 5.12.0-rc3-bdver2+ #24
[    0.706518] Hardware name: Gigabyte Technology Co., Ltd. To be filled by
O.E.M./970-GAMING, BIOS F2 04/06/2016
[    0.706521] Call Trace:
[    0.706524]  dump_stack+0x69/0x8e
[    0.706531]  create_object.isra.0.cold+0x3b/0x5d
[    0.706536]  ? kthread+0x35/0x130
[    0.706537]  kmem_cache_alloc+0x15a/0x4a0
[    0.706537]  ? rescuer_thread+0x380/0x380
[    0.706537]  kthread+0x35/0x130
[    0.706537]  ? __kthread_bind_mask+0x60/0x60
[    0.706537]  ret_from_fork+0x22/0x30
[    0.706537] kmemleak: Kernel memory leak detector disabled
[    0.706537] kmemleak: Object 0xffff953c1ba00000 (size 2097152):
[    0.706537] kmemleak:   comm "swapper", pid 0, jiffies 4294877296
[    0.706537] kmemleak:   min_count = 0
[    0.706537] kmemleak:   count = 0
[    0.706537] kmemleak:   flags = 0x1
[    0.706537] kmemleak:   checksum = 0
[    0.706537] kmemleak:   backtrace:
[    0.706537]      memblock_alloc_internal+0xb8/0x152
[    0.706537]      memblock_alloc_try_nid+0xa0/0xf3
[    0.706537]      kfence_alloc_pool+0x59/0xbf
[    0.706537]      start_kernel+0x2b3/0x61a
[    0.706537]      secondary_startup_64_no_verify+0xb0/0xbb

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[Bug 214029] [bisected] [NAVI] Several memory leaks in amdgpu and ttm

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NAVI] Several memory leaks |[bisected] [NAVI] Several
                   |in amdgpu and ttm           |memory leaks in amdgpu and
                   |                            |ttm

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--- Comment #14 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 298927
  --> https://bugzilla.kernel.org/attachment.cgi?id=298927&action=edit
kernel dmesg (kernel 5.14.6, AMD Opteron 6386 SE)

Does not seem to be Navi specific after all as the leaks do happen with the
Radeon R7 360 in my Opteron box too.

[...]
unreferenced object 0xffff8afeddd0c2c0 (size 176):
  comm "Web Content", pid 1830253, jiffies 4302445561 (age 2701.157s)
  hex dump (first 32 bytes):
    50 c3 d0 dd fe 8a ff ff 80 51 3a c0 ff ff ff ff  P........Q:.....
    0f 89 14 e9 f1 16 00 00 48 fe b6 09 41 a7 ff ff  ........H...A...
  backtrace:
    [<ffffffffc03a347d>] drm_sched_fence_create+0x1d/0xb0 [gpu_sched]
    [<ffffffffc03a20d0>] drm_sched_job_init+0x58/0xa0 [gpu_sched]
    [<ffffffffc10fb711>] amdgpu_job_submit+0x21/0xe0 [amdgpu]
    [<ffffffffc0feef6a>] amdgpu_copy_buffer+0x1ea/0x290 [amdgpu]
    [<ffffffffc0fef292>] amdgpu_ttm_copy_mem_to_mem+0x282/0x5b0 [amdgpu]
    [<ffffffffc0fefad8>] amdgpu_bo_move+0x130/0x7d8 [amdgpu]
    [<ffffffffc0609e49>] ttm_bo_handle_move_mem+0x89/0x178 [ttm]
    [<ffffffffc060b1ba>] ttm_bo_validate+0xba/0x140 [ttm]
    [<ffffffffc0ff13ae>] amdgpu_bo_fault_reserve_notify+0xb6/0x160 [amdgpu]
    [<ffffffffc0ff62f8>] amdgpu_gem_fault+0x78/0x100 [amdgpu]
    [<ffffffff9b166941>] __do_fault+0x31/0xe8
    [<ffffffff9b16dc4a>] __handle_mm_fault+0xe1a/0x1290
    [<ffffffff9b16e175>] handle_mm_fault+0xb5/0x218
    [<ffffffff9b6ca347>] exc_page_fault+0x177/0x5d0
    [<ffffffff9b800acb>] asm_exc_page_fault+0x1b/0x20
unreferenced object 0xffff8b01f00bd0c0 (size 72):
  comm "sdma0", pid 403, jiffies 4302445561 (age 2701.157s)
  hex dump (first 32 bytes):
    e0 c7 64 13 ff 8a ff ff 00 1c 30 c1 ff ff ff ff  ..d.......0.....
    65 59 16 e9 f1 16 00 00 58 28 b9 86 03 8b ff ff  eY......X(......
  backtrace:
    [<ffffffffc0febecb>] amdgpu_fence_emit+0x2b/0x1f0 [amdgpu]
    [<ffffffffc100945b>] amdgpu_ib_schedule+0x2e3/0x4e8 [amdgpu]
    [<ffffffffc10fb34b>] amdgpu_job_run+0x8b/0x1e8 [amdgpu]
    [<ffffffffc03a2ad7>] drm_sched_main+0x1b7/0x3d8 [gpu_sched]
    [<ffffffff9b05f9e2>] kthread+0x122/0x140
    [<ffffffff9b001102>] ret_from_fork+0x22/0x30
unreferenced object 0xffff8b02ec1796c0 (size 176):
  comm "Renderer", pid 108402, jiffies 4302694486 (age 1871.424s)
  hex dump (first 32 bytes):
    50 97 17 ec 02 8b ff ff 80 51 3a c0 ff ff ff ff  P........Q:.....
    4f 9c 02 1a b3 17 00 00 48 fe b6 09 41 a7 ff ff  O.......H...A...
  backtrace:
    [<ffffffffc03a347d>] drm_sched_fence_create+0x1d/0xb0 [gpu_sched]
    [<ffffffffc03a20d0>] drm_sched_job_init+0x58/0xa0 [gpu_sched]
    [<ffffffffc10fb711>] amdgpu_job_submit+0x21/0xe0 [amdgpu]
    [<ffffffffc0feef6a>] amdgpu_copy_buffer+0x1ea/0x290 [amdgpu]
    [<ffffffffc0fef292>] amdgpu_ttm_copy_mem_to_mem+0x282/0x5b0 [amdgpu]
    [<ffffffffc0fefad8>] amdgpu_bo_move+0x130/0x7d8 [amdgpu]
    [<ffffffffc0609e49>] ttm_bo_handle_move_mem+0x89/0x178 [ttm]
    [<ffffffffc060b1ba>] ttm_bo_validate+0xba/0x140 [ttm]
    [<ffffffffc0ff13ae>] amdgpu_bo_fault_reserve_notify+0xb6/0x160 [amdgpu]
    [<ffffffffc0ff62f8>] amdgpu_gem_fault+0x78/0x100 [amdgpu]
    [<ffffffff9b166941>] __do_fault+0x31/0xe8
    [<ffffffff9b16dc4a>] __handle_mm_fault+0xe1a/0x1290
    [<ffffffff9b16e175>] handle_mm_fault+0xb5/0x218
    [<ffffffff9b6ca347>] exc_page_fault+0x177/0x5d0
    [<ffffffff9b800acb>] asm_exc_page_fault+0x1b/0x20


 # lspci -s 01:00.0 -v
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Tobago PRO [Radeon R7 360 / R9 360 OEM] (rev 81) (prog-if 00 [VGA controller])
        Subsystem: PC Partner Limited / Sapphire Technology Tobago PRO [Radeon
R7 360 / R9 360 OEM]
        Flags: bus master, fast devsel, latency 0, IRQ 47, IOMMU group 11
        Memory at d0000000 (64-bit, prefetchable) [size=256M]
        Memory at cf800000 (64-bit, prefetchable) [size=8M]
        I/O ports at c000 [size=256]
        Memory at fdc80000 (32-bit, non-prefetchable) [size=256K]
        Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [48] Vendor Specific Information: Len=08 <?>
        Capabilities: [50] Power Management version 3
        Capabilities: [58] Express Legacy Endpoint, MSI 00
        Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
        Capabilities: [150] Advanced Error Reporting
        Capabilities: [200] Physical Resizable BAR
        Capabilities: [270] Secondary PCI Express
        Capabilities: [2b0] Address Translation Service (ATS)
        Capabilities: [2c0] Page Request Interface (PRI)
        Capabilities: [2d0] Process Address Space ID (PASID)
        Kernel driver in use: amdgpu
        Kernel modules: radeon, amdgpu

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[bisected] [NAVI] Several   |[bisected] [amdgpu] Several
                   |memory leaks in amdgpu and  |memory leaks in amdgpu and
                   |ttm                         |ttm

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |christian.koenig@amd.com

--- Comment #15 from Erhard F. (erhard_f@mailbox.org) ---
I got around skipping commits by cherry-picking
9551158069ba8fcc893798d42dc4f978b62ef60f (kfence: make compatible with
kmemleak) and finally was able to complete the bisect. The offending commit
was:

 # git bisect good
d02117f8efaa5fbc37437df1ae955a147a2a424a is the first bad commit
commit d02117f8efaa5fbc37437df1ae955a147a2a424a
Author: Christian König <christian.koenig@amd.com>
Date:   Sat Apr 17 19:09:30 2021 +0200

    drm/ttm: remove special handling for non GEM drivers

    vmwgfx is the only driver actually using this. Move the handling into
    the driver instead.

    Signed-off-by: Christian König <christian.koenig@amd.com>
    Acked-by: Huang Rui <ray.huang@amd.com>
    Reviewed-by: Zack Rusin <zackr@vmware.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20210419092853.1605-1-christian.koenig@amd.com

 drivers/gpu/drm/ttm/ttm_bo.c       | 11 -----------
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 10 ++++++++++
 include/drm/ttm/ttm_bo_api.h       | 19 -------------------
 3 files changed, 10 insertions(+), 30 deletions(-)

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--- Comment #16 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 299007
  --> https://bugzilla.kernel.org/attachment.cgi?id=299007&action=edit
final bisect.log

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--- Comment #17 from Erhard F. (erhard_f@mailbox.org) ---
v5.15-rc5 is still affected.

However I reverted d02117f8efaa5fbc37437df1ae955a147a2a424a on top of v5.15-rc5
and can confirm this fixes the leak.

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #298893|0                           |1
        is obsolete|                            |

--- Comment #18 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 299219
  --> https://bugzilla.kernel.org/attachment.cgi?id=299219&action=edit
kernel .config (kernel 5.15-rc5, AMD FX-8370)

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--- Comment #19 from Christian König (christian.koenig@amd.com) ---
Created attachment 299277
  --> https://bugzilla.kernel.org/attachment.cgi?id=299277&action=edit
Potential fix

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--- Comment #20 from Erhard F. (erhard_f@mailbox.org) ---
(In reply to Christian König from comment #19)
> Created attachment 299277 [details]
> Potential fix
Fixes the leak as it does in bug #214447. Thanks!

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--- Comment #21 from Christian König (christian.koenig@amd.com) ---
No problem. It just took me a while to realize what the issue is.

The patches bisected didn't caused it, but rather just made it more likely to
appear.

Can I add your mail as Tested-by? (you potentially get a bit more spam with
that).

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--- Comment #22 from Erhard F. (erhard_f@mailbox.org) ---
(In reply to Christian König from comment #21)
> Can I add your mail as Tested-by? (you potentially get a bit more spam with
> that).
Yes, I'm fine with that. Getting spam anyhow. ;)

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Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |CODE_FIX

--- Comment #23 from Erhard F. (erhard_f@mailbox.org) ---
The fix landed in kernel 5.15, 5.14.16 and affected LTS kernels.

Closing.

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Jan Steffens (jan.steffens@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jan.steffens@gmail.com

--- Comment #24 from Jan Steffens (jan.steffens@gmail.com) ---
Looks like this was mistakenly picked into LTS 5.10, which does not contain
d02117f8efaa5fbc37437df1ae955a147a2a424a.

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--- Comment #25 from Erhard F. (erhard_f@mailbox.org) ---
(In reply to Jan Steffens from comment #24)
> Looks like this was mistakenly picked into LTS 5.10, which does not contain
> d02117f8efaa5fbc37437df1ae955a147a2a424a.
As Christian wrote in comment 21 the patches bisected didn't cause the memleak,
but rather just made it more likely to appear. So the patch
(0db55f9a1bafbe3dac750ea669de9134922389b5) most probably wandered correctly in
5.10 LTS and 5.4 LTS.

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--- Comment #26 from Christian König (christian.koenig@amd.com) ---
It most likely won't hurt to have the patch in older kernels as well, yes.

The only possibility I can see is that we then have a double free on older
kernels and that would mean that we need to get back to the drawing board
again.

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--- Comment #27 from Christian König (christian.koenig@amd.com) ---
I've just finished up reading my mails this morning and found a crash report
for this patch when it is back ported to 5.10.

So please do NOT apply this patch to 5.10!

The memory leak is potentially there as well, just much much less likely and a
double free certainly crashes the kernel.

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