[Bug 194843] [amdgpu] oops [drm:gfx_v8_0_priv_reg_irq] *ERROR* Illegal register access in command stream

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=194843

--- Comment #5 from Johannes Hirte (johannes.hirte at datenkhaos.de) ---
Ok, it's not 4.11 specific. Now I had a system hang with 4.10.0 and found in
the logs after reboot only this:

Mar 12 12:12:48 probook kernel: ------------[ cut here ]------------
Mar 12 12:12:48 probook kernel: WARNING: CPU: 1 PID: 872 at
./include/linux/dma-fence.h:349 amdgpu_vm_grab_id+0x7ef/0x810
Mar 12 12:12:48 probook kernel: Modules linked in: uas usb_storage cmac rfcomm
uhid bnep btusb btrtl btbcm btintel bluetooth hp_wmi kvm_amd kvm iwlmvm
irqbypass mac80211 aesni_intel aes_x86_64 crypto_simd cryptd glue_hel
per fam15h_power snd_hda_codec_conexant snd_hda_codec_generic i2c_piix4 k10temp
snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm
iwlwifi rtsx_pci_ms snd_timer cfg80211 memstick snd rfkill r81
69 soundcore mii wmi i2c_designware_platform i2c_designware_core hp_wireless
rtsx_pci_sdmmc mmc_core ehci_pci ehci_hcd xhci_pci xhci_hcd rtsx_pci mfd_core
efivarfs autofs4
Mar 12 12:12:48 probook kernel: CPU: 1 PID: 872 Comm: sdma0 Not tainted 4.10.0
#91
Mar 12 12:12:48 probook kernel: Hardware name: HP HP ProBook 645 G2/80FE, BIOS
N77 Ver. 01.07 11/01/2016
Mar 12 12:12:48 probook kernel: Call Trace:
Mar 12 12:12:48 probook kernel:  dump_stack+0x4f/0x73
Mar 12 12:12:48 probook kernel:  __warn+0xc6/0xe0
Mar 12 12:12:48 probook kernel:  warn_slowpath_null+0x18/0x20
Mar 12 12:12:48 probook kernel:  amdgpu_vm_grab_id+0x7ef/0x810
Mar 12 12:12:48 probook kernel:  ? dma_fence_wait_timeout+0x110/0x110
Mar 12 12:12:48 probook kernel:  amdgpu_job_dependency+0x5a/0x90
Mar 12 12:12:48 probook kernel:  amd_sched_main+0x9e/0x500
Mar 12 12:12:48 probook kernel:  ? wake_atomic_t_function+0x50/0x50
Mar 12 12:12:48 probook kernel:  kthread+0xfc/0x130
Mar 12 12:12:48 probook kernel:  ? amd_sched_process_job+0xe0/0xe0
Mar 12 12:12:48 probook kernel:  ? kthread_create_on_node+0x40/0x40
Mar 12 12:12:48 probook kernel:  ret_from_fork+0x29/0x40
Mar 12 12:12:48 probook kernel: ---[ end trace 4591763eee9b4ab4 ]---
Mar 12 12:12:48 probook kernel: ------------[ cut here ]------------
Mar 12 12:12:48 probook kernel: WARNING: CPU: 2 PID: 863 at
./include/linux/dma-fence.h:349 amdgpu_vm_grab_id+0x7ef/0x810
Mar 12 12:12:48 probook kernel: Modules linked in: uas usb_storage cmac rfcomm
uhid bnep btusb btrtl btbcm btintel bluetooth hp_wmi kvm_amd kvm iwlmvm
irqbypass mac80211 aesni_intel aes_x86_64 crypto_simd cryptd glue_hel
per fam15h_power snd_hda_codec_conexant snd_hda_codec_generic i2c_piix4 k10temp
snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm
iwlwifi rtsx_pci_ms snd_timer cfg80211 memstick snd rfkill r81
69 soundcore mii wmi i2c_designware_platform i2c_designware_core hp_wireless
rtsx_pci_sdmmc mmc_core ehci_pci ehci_hcd xhci_pci xhci_hcd rtsx_pci mfd_core
efivarfs autofs4
Mar 12 12:12:48 probook kernel: CPU: 2 PID: 863 Comm: gfx Tainted: G        W  
    4.10.0 #91
Mar 12 12:12:48 probook kernel: Hardware name: HP HP ProBook 645 G2/80FE, BIOS
N77 Ver. 01.07 11/01/2016
Mar 12 12:12:48 probook kernel: Call Trace:
Mar 12 12:12:48 probook kernel:  dump_stack+0x4f/0x73
Mar 12 12:12:48 probook kernel:  __warn+0xc6/0xe0
Mar 12 12:12:48 probook kernel:  warn_slowpath_null+0x18/0x20
Mar 12 12:12:48 probook kernel:  amdgpu_vm_grab_id+0x7ef/0x810
Mar 12 12:12:48 probook kernel:  ? dma_fence_wait_timeout+0x110/0x110
Mar 12 12:12:48 probook kernel:  amdgpu_job_dependency+0x5a/0x90
Mar 12 12:12:48 probook kernel:  amd_sched_main+0x9e/0x500
Mar 12 12:12:48 probook kernel:  ? wake_atomic_t_function+0x50/0x50
Mar 12 12:12:48 probook kernel:  kthread+0xfc/0x130
Mar 12 12:12:48 probook kernel:  ? amd_sched_process_job+0xe0/0xe0
Mar 12 12:12:48 probook kernel:  ? kthread_create_on_node+0x40/0x40
Mar 12 12:12:48 probook kernel:  ? umh_complete+0x40/0x40
Mar 12 12:12:48 probook kernel:  ? call_usermodehelper_exec_async+0x137/0x140
Mar 12 12:12:48 probook kernel:  ret_from_fork+0x29/0x40
Mar 12 12:12:48 probook kernel: ---[ end trace 4591763eee9b4ab5 ]---

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