[Bug 112302] [kernel 5.4-rc7][amdgpu] kmemleak reports various leaks

[Bug 112302] [kernel 5.4-rc7][amdgpu] kmemleak reports various leaks

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=112302

            Bug ID: 112302
           Summary: [kernel 5.4-rc7][amdgpu] kmemleak reports various
                    leaks
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: normal
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: erhard_f@mailbox.org

Created attachment 145972
  --> https://bugs.freedesktop.org/attachment.cgi?id=145972&action=edit
cat /sys/kernel/debug/kmemleak

[ 1306.389652] kmemleak: 28 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)

Running X I get various kmemleak dumps for amdgpu:
[...]
unreferenced object 0xffffa2501f3374c0 (size 208):
  comm "Xorg", pid 694, jiffies 4294885609 (age 1870.427s)
  hex dump (first 32 bytes):
    50 75 33 1f 50 a2 ff ff a0 41 47 c0 ff ff ff ff  Pu3.P....AG.....
    b6 d7 06 a0 06 00 00 00 48 fe aa 8c b5 b1 ff ff  ........H.......
  backtrace:
    [<00000000502b8475>] drm_sched_fence_create+0x1d/0xc0 [gpu_sched]
    [<0000000067f89939>] drm_sched_job_init+0x5b/0xa0 [gpu_sched]
    [<0000000097e803db>] amdgpu_job_submit+0x1e/0x90 [amdgpu]
    [<000000008af66624>] amdgpu_copy_buffer+0x1ab/0x290 [amdgpu]
    [<000000005723dc17>] amdgpu_ttm_copy_mem_to_mem+0x25b/0x540 [amdgpu]
    [<000000009372cf45>] amdgpu_move_blit.constprop.0+0x85/0x1b0 [amdgpu]
    [<00000000b09834ab>] amdgpu_bo_move+0x168/0x2b0 [amdgpu]
    [<000000009f1ae718>] ttm_bo_handle_move_mem+0x126/0x5c0 [ttm]
    [<00000000d0c0e30f>] ttm_bo_validate+0x174/0x1b0 [ttm]
    [<00000000812e63d8>] amdgpu_bo_fault_reserve_notify+0xe2/0x130 [amdgpu]
    [<00000000340ebb51>] ttm_bo_vm_fault+0xa7/0x650 [ttm]
    [<00000000a9630d5e>] __do_fault+0x31/0xf0
    [<000000008cecfe93>] __handle_mm_fault+0xccc/0x1390
    [<00000000984b2f55>] handle_mm_fault+0x15b/0x2f0
    [<0000000053ca6a37>] __do_page_fault+0x1a2/0x420
    [<00000000c546a67a>] page_fault+0x31/0x40
unreferenced object 0xffffa24c4471b040 (size 72):
  comm "sdma0", pid 402, jiffies 4294885609 (age 1870.427s)
  hex dump (first 32 bytes):
    a0 c7 36 59 4c a2 ff ff e0 95 fd c0 ff ff ff ff  ..6YL...........
    a4 2b 08 a0 06 00 00 00 58 e4 2a 61 50 a2 ff ff  .+......X.*aP...
  backtrace:
    [<0000000078aa5208>] amdgpu_fence_emit+0x2b/0x270 [amdgpu]
    [<00000000a223cd76>] amdgpu_ib_schedule+0x311/0x540 [amdgpu]
    [<000000004db3d964>] amdgpu_job_run+0xfc/0x1e0 [amdgpu]
    [<00000000bfb92cc3>] drm_sched_main+0xf7/0x2e0 [gpu_sched]
    [<00000000a857f89f>] kthread+0xf6/0x130
    [<0000000046d81882>] ret_from_fork+0x27/0x50
[...]

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[Bug 112302] [kernel 5.4-rc7][amdgpu] kmemleak reports various leaks

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=112302

--- Comment #1 from erhard_f@mailbox.org ---
Created attachment 145973
  --> https://bugs.freedesktop.org/attachment.cgi?id=145973&action=edit
dmesg (kernel 5.4-rc7)

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[Bug 112302] [kernel 5.4-rc7][amdgpu] kmemleak reports various leaks

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=112302

--- Comment #2 from erhard_f@mailbox.org ---
Created attachment 145974
  --> https://bugs.freedesktop.org/attachment.cgi?id=145974&action=edit
kernel .config (kernel 5.4-rc7)

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[Bug 112302] [kernel 5.4-rc7][amdgpu] kmemleak reports various leaks

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https://bugs.freedesktop.org/show_bug.cgi?id=112302

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #3 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/958.

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