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72e14ebf9f
[ 584.110304] ============================================ [ 584.110590] WARNING: possible recursive locking detected [ 584.110876] 5.6.0-deli-v5.6-2848-g3f3109b0e75f #1 Tainted: G OE [ 584.111164] -------------------------------------------- [ 584.111456] kworker/38:1/553 is trying to acquire lock: [ 584.111721] ffff9b15ff0a47a0 (&adev->reset_sem){++++}, at: amdgpu_device_gpu_recover+0x262/0x1030 [amdgpu] [ 584.112112] but task is already holding lock: [ 584.112673] ffff9b1603d247a0 (&adev->reset_sem){++++}, at: amdgpu_device_gpu_recover+0x262/0x1030 [amdgpu] [ 584.113068] other info that might help us debug this: [ 584.113689] Possible unsafe locking scenario: [ 584.114350] CPU0 [ 584.114685] ---- [ 584.115014] lock(&adev->reset_sem); [ 584.115349] lock(&adev->reset_sem); [ 584.115678] *** DEADLOCK *** [ 584.116624] May be due to missing lock nesting notation [ 584.117284] 4 locks held by kworker/38:1/553: [ 584.117616] #0: ffff9ad635c1d348 ((wq_completion)events){+.+.}, at: process_one_work+0x21f/0x630 [ 584.117967] #1: ffffac708e1c3e58 ((work_completion)(&con->recovery_work)){+.+.}, at: process_one_work+0x21f/0x630 [ 584.118358] #2: ffffffffc1c2a5d0 (&tmp->hive_lock){+.+.}, at: amdgpu_device_gpu_recover+0xae/0x1030 [amdgpu] [ 584.118786] #3: ffff9b1603d247a0 (&adev->reset_sem){++++}, at: amdgpu_device_gpu_recover+0x262/0x1030 [amdgpu] [ 584.119222] stack backtrace: [ 584.119990] CPU: 38 PID: 553 Comm: kworker/38:1 Kdump: loaded Tainted: G OE 5.6.0-deli-v5.6-2848-g3f3109b0e75f #1 [ 584.120782] Hardware name: Supermicro SYS-7049GP-TRT/X11DPG-QT, BIOS 3.1 05/23/2019 [ 584.121223] Workqueue: events amdgpu_ras_do_recovery [amdgpu] [ 584.121638] Call Trace: [ 584.122050] dump_stack+0x98/0xd5 [ 584.122499] __lock_acquire+0x1139/0x16e0 [ 584.122931] ? trace_hardirqs_on+0x3b/0xf0 [ 584.123358] ? cancel_delayed_work+0xa6/0xc0 [ 584.123771] lock_acquire+0xb8/0x1c0 [ 584.124197] ? amdgpu_device_gpu_recover+0x262/0x1030 [amdgpu] [ 584.124599] down_write+0x49/0x120 [ 584.125032] ? amdgpu_device_gpu_recover+0x262/0x1030 [amdgpu] [ 584.125472] amdgpu_device_gpu_recover+0x262/0x1030 [amdgpu] [ 584.125910] ? amdgpu_ras_error_query+0x1b8/0x2a0 [amdgpu] [ 584.126367] amdgpu_ras_do_recovery+0x159/0x190 [amdgpu] [ 584.126789] process_one_work+0x29e/0x630 [ 584.127208] worker_thread+0x3c/0x3f0 [ 584.127621] ? __kthread_parkme+0x61/0x90 [ 584.128014] kthread+0x12f/0x150 [ 584.128402] ? process_one_work+0x630/0x630 [ 584.128790] ? kthread_park+0x90/0x90 [ 584.129174] ret_from_fork+0x3a/0x50 Each adev has owned lock_class_key to avoid false positive recursive locking. v2: 1. register adev->lock_key into lockdep, otherwise lockdep will report the below warning [ 1216.705820] BUG: key ffff890183b647d0 has not been registered! [ 1216.705924] ------------[ cut here ]------------ [ 1216.705972] DEBUG_LOCKS_WARN_ON(1) [ 1216.705997] WARNING: CPU: 20 PID: 541 at kernel/locking/lockdep.c:3743 lockdep_init_map+0x150/0x210 v3: change to use down_write_nest_lock to annotate the false dead-lock warning. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dennis Li <Dennis.Li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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|---|---|---|
| .. | ||
| amdgpu.h | ||
| amdgpu_acp.c | ||
| amdgpu_acp.h | ||
| amdgpu_acpi.c | ||
| amdgpu_afmt.c | ||
| amdgpu_amdkfd.c | ||
| amdgpu_amdkfd.h | ||
| amdgpu_amdkfd_arcturus.c | ||
| amdgpu_amdkfd_fence.c | ||
| amdgpu_amdkfd_gfx_v7.c | ||
| amdgpu_amdkfd_gfx_v8.c | ||
| amdgpu_amdkfd_gfx_v9.c | ||
| amdgpu_amdkfd_gfx_v9.h | ||
| amdgpu_amdkfd_gfx_v10.c | ||
| amdgpu_amdkfd_gfx_v10_3.c | ||
| amdgpu_amdkfd_gpuvm.c | ||
| amdgpu_atombios.c | ||
| amdgpu_atombios.h | ||
| amdgpu_atomfirmware.c | ||
| amdgpu_atomfirmware.h | ||
| amdgpu_atpx_handler.c | ||
| amdgpu_benchmark.c | ||
| amdgpu_bios.c | ||
| amdgpu_bo_list.c | ||
| amdgpu_bo_list.h | ||
| amdgpu_cgs.c | ||
| amdgpu_connectors.c | ||
| amdgpu_connectors.h | ||
| amdgpu_cs.c | ||
| amdgpu_csa.c | ||
| amdgpu_csa.h | ||
| amdgpu_ctx.c | ||
| amdgpu_ctx.h | ||
| amdgpu_debugfs.c | ||
| amdgpu_debugfs.h | ||
| amdgpu_device.c | ||
| amdgpu_df.h | ||
| amdgpu_discovery.c | ||
| amdgpu_discovery.h | ||
| amdgpu_display.c | ||
| amdgpu_display.h | ||
| amdgpu_dma_buf.c | ||
| amdgpu_dma_buf.h | ||
| amdgpu_doorbell.h | ||
| amdgpu_dpm.c | ||
| amdgpu_dpm.h | ||
| amdgpu_drv.c | ||
| amdgpu_drv.h | ||
| amdgpu_encoders.c | ||
| amdgpu_fb.c | ||
| amdgpu_fence.c | ||
| amdgpu_fru_eeprom.c | ||
| amdgpu_fru_eeprom.h | ||
| amdgpu_gart.c | ||
| amdgpu_gart.h | ||
| amdgpu_gds.h | ||
| amdgpu_gem.c | ||
| amdgpu_gem.h | ||
| amdgpu_gfx.c | ||
| amdgpu_gfx.h | ||
| amdgpu_gmc.c | ||
| amdgpu_gmc.h | ||
| amdgpu_gtt_mgr.c | ||
| amdgpu_i2c.c | ||
| amdgpu_i2c.h | ||
| amdgpu_ib.c | ||
| amdgpu_ids.c | ||
| amdgpu_ids.h | ||
| amdgpu_ih.c | ||
| amdgpu_ih.h | ||
| amdgpu_ioc32.c | ||
| amdgpu_irq.c | ||
| amdgpu_irq.h | ||
| amdgpu_job.c | ||
| amdgpu_job.h | ||
| amdgpu_jpeg.c | ||
| amdgpu_jpeg.h | ||
| amdgpu_kms.c | ||
| amdgpu_mes.h | ||
| amdgpu_mmhub.c | ||
| amdgpu_mmhub.h | ||
| amdgpu_mn.c | ||
| amdgpu_mn.h | ||
| amdgpu_mode.h | ||
| amdgpu_nbio.c | ||
| amdgpu_nbio.h | ||
| amdgpu_object.c | ||
| amdgpu_object.h | ||
| amdgpu_pll.c | ||
| amdgpu_pll.h | ||
| amdgpu_pm.c | ||
| amdgpu_pm.h | ||
| amdgpu_pmu.c | ||
| amdgpu_pmu.h | ||
| amdgpu_psp.c | ||
| amdgpu_psp.h | ||
| amdgpu_rap.c | ||
| amdgpu_rap.h | ||
| amdgpu_ras.c | ||
| amdgpu_ras.h | ||
| amdgpu_ras_eeprom.c | ||
| amdgpu_ras_eeprom.h | ||
| amdgpu_ring.c | ||
| amdgpu_ring.h | ||
| amdgpu_rlc.c | ||
| amdgpu_rlc.h | ||
| amdgpu_sa.c | ||
| amdgpu_sched.c | ||
| amdgpu_sched.h | ||
| amdgpu_sdma.c | ||
| amdgpu_sdma.h | ||
| amdgpu_socbb.h | ||
| amdgpu_sync.c | ||
| amdgpu_sync.h | ||
| amdgpu_test.c | ||
| amdgpu_trace.h | ||
| amdgpu_trace_points.c | ||
| amdgpu_ttm.c | ||
| amdgpu_ttm.h | ||
| amdgpu_ucode.c | ||
| amdgpu_ucode.h | ||
| amdgpu_umc.c | ||
| amdgpu_umc.h | ||
| amdgpu_uvd.c | ||
| amdgpu_uvd.h | ||
| amdgpu_vce.c | ||
| amdgpu_vce.h | ||
| amdgpu_vcn.c | ||
| amdgpu_vcn.h | ||
| amdgpu_vf_error.c | ||
| amdgpu_vf_error.h | ||
| amdgpu_virt.c | ||
| amdgpu_virt.h | ||
| amdgpu_vm.c | ||
| amdgpu_vm.h | ||
| amdgpu_vm_cpu.c | ||
| amdgpu_vm_sdma.c | ||
| amdgpu_vram_mgr.c | ||
| amdgpu_xgmi.c | ||
| amdgpu_xgmi.h | ||
| arct_reg_init.c | ||
| athub_v1_0.c | ||
| athub_v1_0.h | ||
| athub_v2_0.c | ||
| athub_v2_0.h | ||
| athub_v2_1.c | ||
| athub_v2_1.h | ||
| atom.c | ||
| atom.h | ||
| atombios_crtc.c | ||
| atombios_crtc.h | ||
| atombios_dp.c | ||
| atombios_dp.h | ||
| atombios_encoders.c | ||
| atombios_encoders.h | ||
| atombios_i2c.c | ||
| atombios_i2c.h | ||
| cik.c | ||
| cik.h | ||
| cik_dpm.h | ||
| cik_ih.c | ||
| cik_ih.h | ||
| cik_sdma.c | ||
| cik_sdma.h | ||
| cikd.h | ||
| clearstate_ci.h | ||
| clearstate_defs.h | ||
| clearstate_gfx9.h | ||
| clearstate_gfx10.h | ||
| clearstate_si.h | ||
| clearstate_vi.h | ||
| cz_ih.c | ||
| cz_ih.h | ||
| dce_v6_0.c | ||
| dce_v6_0.h | ||
| dce_v8_0.c | ||
| dce_v8_0.h | ||
| dce_v10_0.c | ||
| dce_v10_0.h | ||
| dce_v11_0.c | ||
| dce_v11_0.h | ||
| dce_virtual.c | ||
| dce_virtual.h | ||
| df_v1_7.c | ||
| df_v1_7.h | ||
| df_v3_6.c | ||
| df_v3_6.h | ||
| emu_soc.c | ||
| gfx_v6_0.c | ||
| gfx_v6_0.h | ||
| gfx_v7_0.c | ||
| gfx_v7_0.h | ||
| gfx_v8_0.c | ||
| gfx_v8_0.h | ||
| gfx_v9_0.c | ||
| gfx_v9_0.h | ||
| gfx_v9_4.c | ||
| gfx_v9_4.h | ||
| gfx_v10_0.c | ||
| gfx_v10_0.h | ||
| gfxhub_v1_0.c | ||
| gfxhub_v1_0.h | ||
| gfxhub_v1_1.c | ||
| gfxhub_v1_1.h | ||
| gfxhub_v2_0.c | ||
| gfxhub_v2_0.h | ||
| gfxhub_v2_1.c | ||
| gfxhub_v2_1.h | ||
| gmc_v6_0.c | ||
| gmc_v6_0.h | ||
| gmc_v7_0.c | ||
| gmc_v7_0.h | ||
| gmc_v8_0.c | ||
| gmc_v8_0.h | ||
| gmc_v9_0.c | ||
| gmc_v9_0.h | ||
| gmc_v10_0.c | ||
| gmc_v10_0.h | ||
| iceland_ih.c | ||
| iceland_ih.h | ||
| iceland_sdma_pkt_open.h | ||
| jpeg_v1_0.c | ||
| jpeg_v1_0.h | ||
| jpeg_v2_0.c | ||
| jpeg_v2_0.h | ||
| jpeg_v2_5.c | ||
| jpeg_v2_5.h | ||
| jpeg_v3_0.c | ||
| jpeg_v3_0.h | ||
| Kconfig | ||
| kv_dpm.c | ||
| kv_dpm.h | ||
| kv_smc.c | ||
| Makefile | ||
| mes_api_def.h | ||
| mes_v10_1.c | ||
| mes_v10_1.h | ||
| mmhub_v1_0.c | ||
| mmhub_v1_0.h | ||
| mmhub_v2_0.c | ||
| mmhub_v2_0.h | ||
| mmhub_v9_4.c | ||
| mmhub_v9_4.h | ||
| mmsch_v1_0.h | ||
| mmsch_v2_0.h | ||
| mmsch_v3_0.h | ||
| mxgpu_ai.c | ||
| mxgpu_ai.h | ||
| mxgpu_nv.c | ||
| mxgpu_nv.h | ||
| mxgpu_vi.c | ||
| mxgpu_vi.h | ||
| navi10_ih.c | ||
| navi10_ih.h | ||
| navi10_reg_init.c | ||
| navi10_sdma_pkt_open.h | ||
| navi12_reg_init.c | ||
| navi14_reg_init.c | ||
| nbio_v2_3.c | ||
| nbio_v2_3.h | ||
| nbio_v6_1.c | ||
| nbio_v6_1.h | ||
| nbio_v7_0.c | ||
| nbio_v7_0.h | ||
| nbio_v7_4.c | ||
| nbio_v7_4.h | ||
| nv.c | ||
| nv.h | ||
| nvd.h | ||
| ObjectID.h | ||
| ppsmc.h | ||
| psp_gfx_if.h | ||
| psp_v3_1.c | ||
| psp_v3_1.h | ||
| psp_v10_0.c | ||
| psp_v10_0.h | ||
| psp_v11_0.c | ||
| psp_v11_0.h | ||
| psp_v12_0.c | ||
| psp_v12_0.h | ||
| r600_dpm.h | ||
| sdma_common.h | ||
| sdma_v2_4.c | ||
| sdma_v2_4.h | ||
| sdma_v3_0.c | ||
| sdma_v3_0.h | ||
| sdma_v4_0.c | ||
| sdma_v4_0.h | ||
| sdma_v5_0.c | ||
| sdma_v5_0.h | ||
| sdma_v5_2.c | ||
| sdma_v5_2.h | ||
| si.c | ||
| si.h | ||
| si_dma.c | ||
| si_dma.h | ||
| si_dpm.c | ||
| si_dpm.h | ||
| si_enums.h | ||
| si_ih.c | ||
| si_ih.h | ||
| si_smc.c | ||
| sid.h | ||
| sienna_cichlid_reg_init.c | ||
| sislands_smc.h | ||
| smu_v11_0_i2c.c | ||
| smu_v11_0_i2c.h | ||
| soc15.c | ||
| soc15.h | ||
| soc15_common.h | ||
| soc15d.h | ||
| ta_rap_if.h | ||
| ta_ras_if.h | ||
| ta_xgmi_if.h | ||
| tonga_ih.c | ||
| tonga_ih.h | ||
| tonga_sdma_pkt_open.h | ||
| umc_v6_0.c | ||
| umc_v6_0.h | ||
| umc_v6_1.c | ||
| umc_v6_1.h | ||
| umc_v8_7.c | ||
| umc_v8_7.h | ||
| uvd_v3_1.c | ||
| uvd_v3_1.h | ||
| uvd_v4_2.c | ||
| uvd_v4_2.h | ||
| uvd_v5_0.c | ||
| uvd_v5_0.h | ||
| uvd_v6_0.c | ||
| uvd_v6_0.h | ||
| uvd_v7_0.c | ||
| uvd_v7_0.h | ||
| vce_v2_0.c | ||
| vce_v2_0.h | ||
| vce_v3_0.c | ||
| vce_v3_0.h | ||
| vce_v4_0.c | ||
| vce_v4_0.h | ||
| vcn_v1_0.c | ||
| vcn_v1_0.h | ||
| vcn_v2_0.c | ||
| vcn_v2_0.h | ||
| vcn_v2_5.c | ||
| vcn_v2_5.h | ||
| vcn_v3_0.c | ||
| vcn_v3_0.h | ||
| vega10_ih.c | ||
| vega10_ih.h | ||
| vega10_reg_init.c | ||
| vega10_sdma_pkt_open.h | ||
| vega20_reg_init.c | ||
| vi.c | ||
| vi.h | ||
| vid.h | ||