https://bugzilla.kernel.org/show_bug.cgi?id=205309

Bug ID: 205309 Summary: kmemleak reports various leaks in amdgpu Product: Drivers Version: 2.5 Kernel Version: 5.4-rc4 Hardware: x86-64 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 Regression: No

Created attachment 285635 --> https://bugzilla.kernel.org/attachment.cgi?id=285635&action=edit kmemleak: 34 new suspected memory leaks

Running X I get various kmemleak dumps for amdgpu: [...] unreferenced object 0xffff995f56fde340 (size 224): comm "Xorg", pid 801, jiffies 4294890593 (age 1572.594s) hex dump (first 32 bytes): d0 e3 fd 56 5f 99 ff ff a0 61 7e c0 ff ff ff ff ...V_....a~..... 36 bb 4b 81 0a 00 00 00 48 fe 32 53 5f 99 ff ff 6.K.....H.2S_... backtrace: [<00000000531b3f80>] drm_sched_fence_create+0x1d/0xc0 [gpu_sched] [<00000000dc85bf8c>] drm_sched_job_init+0x5b/0xa0 [gpu_sched] [<000000005789f820>] amdgpu_job_submit+0x1e/0x90 [amdgpu] [<00000000f3185640>] amdgpu_copy_buffer+0x1ab/0x290 [amdgpu] [<0000000053449562>] amdgpu_ttm_copy_mem_to_mem+0x25d/0x520 [amdgpu] [<00000000810db067>] amdgpu_move_blit.constprop.25+0x85/0x1b0 [amdgpu] [<0000000051e06c3a>] amdgpu_bo_move+0x164/0x290 [amdgpu] [<00000000d0345de4>] ttm_bo_handle_move_mem+0x113/0x5b0 [ttm] [<000000003dbb02d9>] ttm_bo_validate+0x16e/0x1b0 [ttm] [<0000000096a41e6b>] amdgpu_bo_fault_reserve_notify+0xe5/0x130 [amdgpu] [<00000000eb688629>] ttm_bo_vm_fault+0xac/0x650 [ttm] [<0000000061352dd3>] __do_fault+0x31/0xf0 [<00000000ad4b517c>] __handle_mm_fault+0xd31/0x12a0 [<00000000037720cd>] handle_mm_fault+0x165/0x2e0 [<00000000196e733c>] __do_page_fault+0x1a8/0x420 [<000000000c9cfffa>] page_fault+0x31/0x40 [...]

System: Kernel: 5.4.0-rc4 x86_64 bits: 64 Desktop: MATE 1.22.0 Distro: Gentoo Base System release 2.6 Machine: Type: Server Mobo: Supermicro model: H8SGL v: 1234567890 serial: <filter> BIOS: American Megatrends v: 3.5b date: 03/18/2016 CPU: 8-Core: AMD Opteron 6380 type: MT MCP speed: 1584 MHz min/max: 1400/2500 MHz Graphics: Device-1: Advanced Micro Devices [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] driver: amdgpu v: kernel Device-2: Matrox Systems MGA G200eW WPCM450 driver: N/A Display: x11 server: X.Org 1.20.5 driver: amdgpu,ati unloaded: modesetting,radeon resolution: 1920x1080~60Hz OpenGL: renderer: Radeon RX 590 Series (POLARIS10 DRM 3.35.0 5.4.0-rc4 LLVM 8.0.1) v: 4.5 Mesa 19.1.7