| 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 [details]
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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