Comment 2 for bug 1863087

I also have this bug on focal. This bug is discussed here:
https://gitlab.freedesktop.org/drm/intel/issues/451
https://gitlab.freedesktop.org/drm/intel/issues/673

My `/sys/class/drm/card0/error`:
GPU HANG: ecode 9:1:0x00000000, hang on rcs0
Kernel: 5.4.0-14-generic x86_64
Driver: 20190822
Time: 1581840082 s 636802 us
Boottime: 3404 s 969848 us
Uptime: 3403 s 860416 us
Epoch: 4295743496 jiffies (250 HZ)
Capture: 4295743496 jiffies; 1198000 ms ago, 0 ms after epoch
Reset count: 0
Suspend count: 0
Platform: KABYLAKE
Subplatform: 0x0
PCI ID: 0x5917
PCI Revision: 0x07
PCI Subsystem: 17aa:506c
IOMMU enabled?: 0
DMC loaded: yes
DMC fw version: 1.4
GT awake: yes
RPM wakelock: yes
PM suspended: no
EIR: 0x00000000
IER: 0x08080000
GTIER[0]: 0x01010101
GTIER[1]: 0x01010101
GTIER[2]: 0x00000070
GTIER[3]: 0x00000101
PGTBL_ER: 0x00000000
FORCEWAKE: 0x00010001
DERRMR: 0x2077efef
CCID: 0x00000000
  fence[0] = 2fe803b02800001
  fence[1] = 102803b00840001
  fence[2] = 47e803b04000001
  fence[3] = 142801f01029003
  fence[4] = 00000000
  fence[5] = 3fe803b03800001
  fence[6] = 1fe803b01800001
  fence[7] = 4fe803b04800001
  fence[8] = 37e803b03000001
  fence[9] = 00000000
  fence[10] = 27e803b02000001
  fence[11] = 00000000
  fence[12] = 00000000
  fence[13] = 00000000
  fence[14] = 00000000
  fence[15] = 00000000
  fence[16] = 00000000
  fence[17] = 00000000
  fence[18] = 00000000
  fence[19] = 00000000
  fence[20] = 00000000
  fence[21] = 00000000
  fence[22] = 00000000
  fence[23] = 00000000
  fence[24] = 00000000
  fence[25] = 00000000
  fence[26] = 00000000
  fence[27] = 00000000
  fence[28] = 00000000
  fence[29] = 00000000
  fence[30] = 00000000
  fence[31] = 00000000
ERROR: 0x00000001
DONE_REG: 0xffffffff
FAULT_TLB_DATA: 0x0000001f 0xffeec01e
Num Pipes: 3
Pipe [0]:
  Power: on
  SRC: 077f0437
  STAT: 00000000
Plane [0]:
  CNTR: c4042400
  STRIDE: 0000000f
  SURF: 04800000
  TILEOFF: 00000000
Cursor [0]:
  CNTR: 04000027
  POS: 020a03ae
  BASE: 00800000
Pipe [1]:
  Power: off
  SRC: 00000000
  STAT: 00000000
Plane [1]:
  CNTR: 00000000
  STRIDE: 00000000
  SURF: 00000000
  TILEOFF: 00000000
Cursor [1]:
  CNTR: 00000000
  POS: 00000000
  BASE: 00000000
Pipe [2]:
  Power: off
  SRC: 00000000
  STAT: 00000000
Plane [2]:
  CNTR: 00000000
  STRIDE: 00000000
  SURF: 00000000
  TILEOFF: 00000000
Cursor [2]:
  CNTR: 00000000
  POS: 00000000
  BASE: 00000000
CPU transcoder: A
  Power: off
  CONF: 00000000
  HTOTAL: 00000000
  HBLANK: 00000000
  HSYNC: 00000000
  VTOTAL: 00000000
  VBLANK: 00000000
  VSYNC: 00000000
CPU transcoder: A
  Power: off
  CONF: 00000000
  HTOTAL: 00000000
  HBLANK: 00000000
  HSYNC: 00000000
  VTOTAL: 00000000
  VBLANK: 00000000
  VSYNC: 00000000
CPU transcoder: A
  Power: off
  CONF: 00000000
  HTOTAL: 00000000
  HBLANK: 00000000
  HSYNC: 00000000
  VTOTAL: 00000000
  VBLANK: 00000000
  VSYNC: 00000000
CPU transcoder: EDP
  Power: on
  CONF: c0000000
  HTOTAL: 081f077f
  HBLANK: 081f077f
  HSYNC: 07cf07af
  VTOTAL: 04560437
  VBLANK: 04560437
  VSYNC: 043f043a
is_mobile: no
is_lp: no
require_force_probe: no
has_64bit_reloc: yes
gpu_reset_clobbers_display: no
has_reset_engine: yes
has_fpga_dbg: yes
has_global_mocs: no
has_gt_uc: yes
has_l3_dpf: no
has_llc: yes
has_logical_ring_contexts: yes
has_logical_ring_elsq: no
has_logical_ring_preemption: yes
has_pooled_eu: no
has_rc6: yes
has_rc6p: no
has_rps: yes
has_runtime_pm: yes
has_snoop: no
has_coherent_ggtt: yes
unfenced_needs_alignment: no
hws_needs_physical: no
cursor_needs_physical: no
has_csr: yes
has_ddi: yes
has_dp_mst: yes
has_fbc: yes
has_gmch: no
has_hotplug: yes
has_ipc: yes
has_modular_fia: no
has_overlay: no
has_psr: yes
overlay_needs_physical: no
supports_tv: no
Has logical contexts? yes
scheduler: 1f
slice0: 3 subslice(s) (0x7):
 subslice0: 8 EUs (0xff)
 subslice1: 8 EUs (0xff)
 subslice2: 8 EUs (0xff)
 subslice3: 0 EUs (0x0)
slice1: 0 subslice(s) (0x0):
 subslice0: 0 EUs (0x0)
 subslice1: 0 EUs (0x0)
 subslice2: 0 EUs (0x0)
 subslice3: 0 EUs (0x0)
slice2: 0 subslice(s) (0x0):
 subslice0: 0 EUs (0x0)
 subslice1: 0 EUs (0x0)
 subslice2: 0 EUs (0x0)
 subslice3: 0 EUs (0x0)
i915.vbt_firmware=(null)
i915.modeset=-1
i915.lvds_channel_mode=0
i915.panel_use_ssc=-1
i915.vbt_sdvo_panel_type=-1
i915.enable_dc=-1
i915.enable_fbc=1
i915.enable_psr=-1
i915.disable_power_well=1
i915.enable_ips=1
i915.invert_brightness=0
i915.enable_guc=0
i915.guc_log_level=-1
i915.guc_firmware_path=(null)
i915.huc_firmware_path=(null)
i915.dmc_firmware_path=(null)
i915.mmio_debug=1
i915.edp_vswing=0
i915.reset=2
i915.inject_load_failure=0
i915.fastboot=-1
i915.enable_dpcd_backlight=-1
i915.force_probe=
i915.alpha_support=no
i915.enable_hangcheck=yes
i915.prefault_disable=no
i915.load_detect_test=no
i915.force_reset_modeset_test=no
i915.error_capture=yes
i915.disable_display=no
i915.verbose_state_checks=yes
i915.nuclear_pageflip=no
i915.enable_dp_mst=yes
i915.enable_gvt=yes
GuC firmware:
 status: DISABLED
 version: wanted 33.0, found 0.0
 uCode: 0 bytes
 RSA: 0 bytes
HuC firmware: (null)
 status: N/A
 version: wanted 0.0, found 0.0
 uCode: 0 bytes
 RSA: 0 bytes