This doesn't seem to be fixed with recent Ubuntu kernels.
I have constant GPU hangs too.
kernel: Linux luto 5.8.0-41-generic #46~20.04.1-Ubuntu SMP
[ 20.503897] i915 0000:00:02.0: vgaarb: deactivate vga console [ 20.505641] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 20.525280] [drm] Initialized i915 1.6.0 20200515 for 0000:00:02.0 on minor 0 [ 20.570726] fbcon: i915drmfb (fb0) is primary device [ 20.570858] i915 0000:00:02.0: fb0: i915drmfb frame buffer device [ 2252.688165] unhandled error in i915_error_to_vmf_fault: -22 [ 2252.688324] WARNING: CPU: 1 PID: 1455 at drivers/gpu/drm/i915/gem/i915_gem_mman.c:211 i915_error_to_vmf_fault+0x7a/0x90 [i915] [ 2252.688325] Modules linked in: nls_iso8859_1 snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_ice1712 snd_hda_codec snd_cs8427 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda i915 snd_ac97_codec snd_hda_core snd_mpu401_uart snd_hwdep snd_seq_midi drm_kms_helper input_leds cec snd_seq_midi_event rc_core i2c_algo_bit snd_rawmidi fb_sys_fops snd_seq syscopyarea sysfillrect ac97_bus snd_pcm snd_seq_device snd_timer sysimgblt at24 snd soundcore serio_raw mac_hid sch_fq_codel w83627ehf hwmon_vid coretemp parport_pc ppdev lp drm parport ip_tables x_tables autofs4 uas usb_storage hid_generic usbhid hid gpio_ich i2c_i801 psmouse i2c_smbus pata_acpi lpc_ich r8169 realtek video [ 2252.688398] RIP: 0010:i915_error_to_vmf_fault+0x7a/0x90 [i915] [ 2252.688450] vm_fault_gtt+0x1d7/0x540 [i915]
This doesn't seem to be fixed with recent Ubuntu kernels.
I have constant GPU hangs too.
kernel: Linux luto 5.8.0-41-generic #46~20.04.1-Ubuntu SMP
[ 20.503897] i915 0000:00:02.0: vgaarb: deactivate vga console io+mem, decodes= io+mem: owns=io+ mem to_vmf_ fault: -22 gpu/drm/ i915/gem/ i915_gem_ mman.c: 211 i915_error_ to_vmf_ fault+0x7a/ 0x90 [i915] codec_realtek snd_hda_ codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_ice1712 snd_hda_codec snd_cs8427 snd_i2c snd_ice17xx_ak4xxx snd_ak4xxx_adda i915 snd_ac97_codec snd_hda_core snd_mpu401_uart snd_hwdep snd_seq_midi drm_kms_helper input_leds cec snd_seq_midi_event rc_core i2c_algo_bit snd_rawmidi fb_sys_fops snd_seq syscopyarea sysfillrect ac97_bus snd_pcm snd_seq_device snd_timer sysimgblt at24 snd soundcore serio_raw mac_hid sch_fq_codel w83627ehf hwmon_vid coretemp parport_pc ppdev lp drm parport ip_tables x_tables autofs4 uas usb_storage hid_generic usbhid hid gpio_ich i2c_i801 psmouse i2c_smbus pata_acpi lpc_ich r8169 realtek video error_to_ vmf_fault+ 0x7a/0x90 [i915] gtt+0x1d7/ 0x540 [i915]
[ 20.505641] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=
[ 20.525280] [drm] Initialized i915 1.6.0 20200515 for 0000:00:02.0 on minor 0
[ 20.570726] fbcon: i915drmfb (fb0) is primary device
[ 20.570858] i915 0000:00:02.0: fb0: i915drmfb frame buffer device
[ 2252.688165] unhandled error in i915_error_
[ 2252.688324] WARNING: CPU: 1 PID: 1455 at drivers/
[ 2252.688325] Modules linked in: nls_iso8859_1 snd_hda_
[ 2252.688398] RIP: 0010:i915_
[ 2252.688450] vm_fault_