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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c0ff9e5e69
The intel_display_power_put_async() used in TC cold sequences made easy to hit the missing deinitialization of driver in case of load failure as seen in the stack trace bellow. intel_modeset_driver_remove_noirq() had to be removed from i915_driver_modeset_remove_noirq() as those are different initialialition steps with IRQ and GEM initialization in between then. [drm:__intel_engine_init_ctx_wa [i915]] Initialized 3 context workarounds on rcs'0 [drm:__i915_inject_probe_error [i915]] Injecting failure -19 at checkpoint 36 [__uc_init:294] [drm:i915_hdcp_component_unbind [i915]] I915 HDCP comp unbind [drm:edp_panel_vdd_off_sync [i915]] Turning [ENCODER:275:DDI A] VDD off [drm:edp_panel_vdd_off_sync [i915]] PP_STATUS: 0x00000000 PP_CONTROL: 0x00000060 [drm:intel_power_well_disable [i915]] disabling AUX A general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6b6b: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 1142 Comm: kworker/u16:20 Tainted: G U 5.6.0-CI-Patchwork_17226+ #1 Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.2457.A16.1912270059 12/27/2019 Workqueue: events_unbound intel_display_power_put_async_work [i915] RIP: 0010:__intel_display_power_put_domain+0xa5/0x180 [i915] Code: 48 85 c0 78 54 44 89 e1 41 bd 01 00 00 00 49 c7 c4 80 44 41 a0 49 d3 e5 eb 0d 48 83 eb 10 48 3b 9d 08 ad 00 00 78 32 48 8b 03 <4c> 85 68 10 74 ea 8b 53 08 85 d2 74 2d 83 ea 01 85 d2 89 53 08 75 RSP: 0018:ffffc9000061fdb0 EFLAGS: 00010206 RAX: 6b6b6b6b6b6b6b6b RBX: ffff8884948f5df0 RCX: 000000000000003d RDX: 0000000080000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888479be0000 R08: ffff88849a180920 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0414480 R13: 2000000000000000 R14: ffff888479beb320 R15: 2000000000000000 FS: 0000000000000000(0000) GS:ffff88849ff80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005634fa8ed670 CR3: 0000000005610004 CR4: 0000000000760ee0 PKRU: 55555554 Call Trace: release_async_put_domains+0x9b/0x110 [i915] intel_display_power_put_async_work+0x91/0xf0 [i915] process_one_work+0x260/0x600 ? worker_thread+0xc9/0x380 worker_thread+0x37/0x380 ? process_one_work+0x600/0x600 kthread+0x119/0x130 ? kthread_park+0x80/0x80 ret_from_fork+0x24/0x50 Modules linked in: i915(+) vgem snd_hda_codec_hdmi mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul cdc_ether usbnet mii snd_intel_dspcfg ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core e1000e ptp mei_me snd_pcm pps_core mei intel_lpss_pci prime_numbers [last unloaded: i915] ---[ end trace b402d1b4060f8b97 ]--- BUG: sleeping function called from invalid context at kernel/sched/completion.c:99 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 1142, name: kworker/u16:20 INFO: lockdep is turned off. Preemption disabled at: [<0000000000000000>] 0x0 CPU: 3 PID: 1142 Comm: kworker/u16:20 Tainted: G UD 5.6.0-CI-Patchwork_17226+ #1 Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.2457.A16.1912270059 12/27/2019 Workqueue: events_unbound intel_display_power_put_async_work [i915] Call Trace: dump_stack+0x71/0x9b ___might_sleep+0x178/0x260 wait_for_completion+0x37/0x1a0 virt_efi_query_variable_info+0x161/0x1b0 efi_query_variable_store+0xb3/0x1a0 ? efivar_entry_set_safe+0x19c/0x220 efivar_entry_set_safe+0x19c/0x220 ? efi_pstore_write+0x10b/0x150 ? efi_pstore_write+0xa0/0x150 efi_pstore_write+0x10b/0x150 pstore_dump+0x123/0x340 kmsg_dump+0x87/0x1b0 oops_end+0x3e/0x90 do_general_protection+0x1c3/0x2f0 general_protection+0x2d/0x40 RIP: 0010:__intel_display_power_put_domain+0xa5/0x180 [i915] Code: 48 85 c0 78 54 44 89 e1 41 bd 01 00 00 00 49 c7 c4 80 44 41 a0 49 d3 e5 eb 0d 48 83 eb 10 48 3b 9d 08 ad 00 00 78 32 48 8b 03 <4c> 85 68 10 74 ea 8b 53 08 85 d2 74 2d 83 ea 01 85 d2 89 53 08 75 RSP: 0018:ffffc9000061fdb0 EFLAGS: 00010206 RAX: 6b6b6b6b6b6b6b6b RBX: ffff8884948f5df0 RCX: 000000000000003d RDX: 0000000080000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888479be0000 R08: ffff88849a180920 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0414480 R13: 2000000000000000 R14: ffff888479beb320 R15: 2000000000000000 release_async_put_domains+0x9b/0x110 [i915] intel_display_power_put_async_work+0x91/0xf0 [i915] process_one_work+0x260/0x600 ? worker_thread+0xc9/0x380 worker_thread+0x37/0x380 ? process_one_work+0x600/0x600 kthread+0x119/0x130 ? kthread_park+0x80/0x80 ret_from_fork+0x24/0x50 ------------[ cut here ]------------ WARNING: CPU: 3 PID: 1142 at kernel/rcu/tree_plugin.h:293 rcu_note_context_switch+0x87/0x650 Modules linked in: i915(+) vgem snd_hda_codec_hdmi mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul cdc_ether usbnet mii snd_intel_dspcfg ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core e1000e ptp mei_me snd_pcm pps_core mei intel_lpss_pci prime_numbers [last unloaded: i915] v2: - fixed handling in case of failure in drm_vblank_init() - moved i915_gem_driver_remove() call to before i915_driver_modeset_remove_noirq() this match initialization order too v3: - reverting call swap between i915_reset_error_state() and i915_gem_driver_remove() call order - improved label naming in i915_driver_modeset_probe_noirq() Closes: https://gitlab.freedesktop.org/drm/intel/issues/1647 Cc: Imre Deak <imre.deak@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200416185841.125686-1-jose.souza@intel.com |
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| .. | ||
| display | ||
| gem | ||
| gt | ||
| gvt | ||
| selftests | ||
| .gitignore | ||
| i915_active_types.h | ||
| i915_active.c | ||
| i915_active.h | ||
| i915_buddy.c | ||
| i915_buddy.h | ||
| i915_cmd_parser.c | ||
| i915_debugfs_params.c | ||
| i915_debugfs_params.h | ||
| i915_debugfs.c | ||
| i915_debugfs.h | ||
| i915_drv.c | ||
| i915_drv.h | ||
| i915_fixed.h | ||
| i915_gem_evict.c | ||
| i915_gem_gtt.c | ||
| i915_gem_gtt.h | ||
| i915_gem.c | ||
| i915_gem.h | ||
| i915_getparam.c | ||
| i915_globals.c | ||
| i915_globals.h | ||
| i915_gpu_error.c | ||
| i915_gpu_error.h | ||
| i915_ioc32.c | ||
| i915_ioc32.h | ||
| i915_irq.c | ||
| i915_irq.h | ||
| i915_memcpy.c | ||
| i915_memcpy.h | ||
| i915_mm.c | ||
| i915_params.c | ||
| i915_params.h | ||
| i915_pci.c | ||
| i915_perf_types.h | ||
| i915_perf.c | ||
| i915_perf.h | ||
| i915_pmu.c | ||
| i915_pmu.h | ||
| i915_priolist_types.h | ||
| i915_pvinfo.h | ||
| i915_query.c | ||
| i915_query.h | ||
| i915_reg.h | ||
| i915_request.c | ||
| i915_request.h | ||
| i915_scatterlist.c | ||
| i915_scatterlist.h | ||
| i915_scheduler_types.h | ||
| i915_scheduler.c | ||
| i915_scheduler.h | ||
| i915_selftest.h | ||
| i915_suspend.c | ||
| i915_suspend.h | ||
| i915_sw_fence_work.c | ||
| i915_sw_fence_work.h | ||
| i915_sw_fence.c | ||
| i915_sw_fence.h | ||
| i915_switcheroo.c | ||
| i915_switcheroo.h | ||
| i915_syncmap.c | ||
| i915_syncmap.h | ||
| i915_sysfs.c | ||
| i915_sysfs.h | ||
| i915_trace_points.c | ||
| i915_trace.h | ||
| i915_user_extensions.c | ||
| i915_user_extensions.h | ||
| i915_utils.c | ||
| i915_utils.h | ||
| i915_vgpu.c | ||
| i915_vgpu.h | ||
| i915_vma_types.h | ||
| i915_vma.c | ||
| i915_vma.h | ||
| intel_device_info.c | ||
| intel_device_info.h | ||
| intel_dram.c | ||
| intel_dram.h | ||
| intel_gvt.c | ||
| intel_gvt.h | ||
| intel_memory_region.c | ||
| intel_memory_region.h | ||
| intel_pch.c | ||
| intel_pch.h | ||
| intel_pm.c | ||
| intel_pm.h | ||
| intel_region_lmem.c | ||
| intel_region_lmem.h | ||
| intel_runtime_pm.c | ||
| intel_runtime_pm.h | ||
| intel_sideband.c | ||
| intel_sideband.h | ||
| intel_uncore.c | ||
| intel_uncore.h | ||
| intel_wakeref.c | ||
| intel_wakeref.h | ||
| intel_wopcm.c | ||
| intel_wopcm.h | ||
| Kconfig | ||
| Kconfig.debug | ||
| Kconfig.profile | ||
| Kconfig.unstable | ||
| Makefile | ||
| vlv_suspend.c | ||
| vlv_suspend.h | ||