New Dell laptop, fresh 20.04 install, 5.8.0-44-generic #50~20.04.1-Ubuntu SMP, had two xorg freezes the same day. Managed to grab dmesg from one where I got a text console:
[12775.113344] BUG: unable to handle page fault for address: ffffe67870000008
[12775.113347] #PF: supervisor read access in kernel mode
[12775.113347] #PF: error_code(0x0000) - not-present page
[12775.113348] PGD 0 P4D 0
[12775.113349] Oops: 0000 [#1] SMP NOPTI
[12775.113351] CPU: 0 PID: 2107 Comm: gnome-shell Tainted: G O 5.8.0-44-generic #50~20.04.1-Ubuntu
[12775.113351] Hardware name: Dell Inc. Latitude 7420/095TWY, BIOS 1.3.5 01/18/2021
[12775.113355] RIP: 0010:kfree+0x55/0x250
[12775.113355] Code: 80 49 01 dc 0f 82 03 02 00 00 48 c7 c0 00 00 00 80 48 2b 05 c5 d9 1e 01 49 01 c4 49 c1 ec 0c 49 c1 e4 06 4c 03 25 a3 d9 1e 01 <49> 8b 44 24 08 48 8d 50 ff a8 01 4c 0f 45 e2 49 8b 54 24 08 48 8d
[12775.113356] RSP: 0018:ffffa4cfc2bebcb0 EFLAGS: 00010286
[12775.113357] RAX: 00006c3b80000000 RBX: 0000002000000000 RCX: ffff93cc1c11d238
[12775.113358] RDX: 0000000000000001 RSI: 0000000000106e56 RDI: 0000002000000000
[12775.113358] RBP: ffffa4cfc2bebcd0 R08: ffff93cc5fa5f4a8 R09: 0000000000106e77
[12775.113359] R10: 0000000000000000 R11: 0000000000000001 R12: ffffe67870000000
[12775.113359] R13: ffffffff9e345309 R14: 0000000000000002 R15: ffff93cb5060e800
[12775.113360] FS: 00007fdebf4b9cc0(0000) GS:ffff93cc6f600000(0000) knlGS:0000000000000000
[12775.113361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[12775.113361] CR2: ffffe67870000008 CR3: 000000081c144006 CR4: 0000000000760ef0
[12775.113362] PKRU: 55555554
[12775.113362] Call Trace:
[12775.113366] bitmap_free+0x9/0x10
[12775.113390] i915_gem_object_set_tiling+0x1db/0x480 [i915]
[12775.113406] i915_gem_set_tiling_ioctl+0x146/0x240 [i915]
[12775.113420] ? i915_gem_object_set_tiling+0x480/0x480 [i915]
[12775.113429] drm_ioctl_kernel+0xae/0xf0 [drm]
[12775.113431] ? ___sys_recvmsg+0x8d/0xc0
[12775.113437] drm_ioctl+0x234/0x3d0 [drm]
[12775.113450] ? i915_gem_object_set_tiling+0x480/0x480 [i915]
[12775.113452] ? __fget_light+0x62/0x80
[12775.113454] ? fput+0x13/0x20
[12775.113455] ? __sys_recvmsg+0x94/0xb0
[12775.113456] ksys_ioctl+0x9d/0xd0
[12775.113456] __x64_sys_ioctl+0x1a/0x20
[12775.113458] do_syscall_64+0x49/0xc0
[12775.113460] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[12775.113461] RIP: 0033:0x7fdec490d50b
[12775.113462] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[12775.113462] RSP: 002b:00007fff93f0ee88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[12775.113463] RAX: ffffffffffffffda RBX: 000055f90aa9b4f0 RCX: 00007fdec490d50b
[12775.113464] RDX: 00007fff93f0eee0 RSI: 00000000c0106461 RDI: 000000000000000d
[12775.113464] RBP: 00007fff93f0ef60 R08: 0000000000000000 R09: 000055f90aa9bc80
[12775.113465] R10: 000055f90aa97dd0 R11: 0000000000000246 R12: 000055f91177efe0
[12775.113465] R13: 000055f90aa9b4f0 R14: 00007fff93f0eee0 R15: 00000000c0106461
[12775.113467] Modules linked in: cdc_ether usbnet r8152 mii rfcomm vboxnetadp(O) vboxnetflt(O) vboxdrv(O) ccm cmac algif_hash algif_skcipher af_alg bnep snd_sof_pci snd_hda_codec_hdmi snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi binfmt_misc snd_hda_codec_realtek mei_hdcp snd_hda_codec_generic dell_laptop intel_rapl_msr nls_iso8859_1 ledtrig_audio snd_soc_core x86_pkg_temp_thermal intel_powerclamp snd_compress coretemp ac97_bus snd_pcm_dmaengine snd_hda_intel kvm_intel btusb btrtl btbcm snd_intel_dspcfg btintel kvm snd_hda_codec snd_hda_core snd_hwdep bluetooth dell_wmi uvcvideo snd_pcm iwlmvm videobuf2_vmalloc dell_smbios videobuf2_memops intel_cstate dcdbas videobuf2_v4l2 serio_raw mac80211 ecdh_generic videobuf2_common snd_seq_midi efi_pstore ecc snd_seq_midi_event joydev snd_rawmidi videodev input_leds libarc4 snd_seq mc snd_seq_device snd_timer wmi_bmof
[12775.113485] dell_wmi_descriptor snd hid_sensor_gyro_3d hid_sensor_als hid_multitouch processor_thermal_device hid_sensor_accel_3d hid_sensor_trigger soundcore industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common iwlwifi industrialio ucsi_acpi intel_rapl_common mei_me typec_ucsi mei intel_soc_dts_iosf cfg80211 cros_ec_ishtp cros_ec typec int3403_thermal int340x_thermal_zone soc_button_array mac_hid intel_hid int3400_thermal acpi_thermal_rel sparse_keymap acpi_pad acpi_tad sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 usbhid dm_crypt hid_sensor_custom hid_sensor_hub intel_ishtp_loader intel_ishtp_hid hid_generic rtsx_pci_sdmmc i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper psmouse i2c_algo_bit rtsx_pci drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops i2c_i801 cec i2c_smbus ahci rc_core libahci intel_lpss_pci drm intel_lpss nvme thunderbolt intel_ish_ipc idma64 xhci_pci intel_ishtp virt_dma
[12775.113501] nvme_core xhci_pci_renesas wmi i2c_hid hid video pinctrl_tigerlake pinctrl_intel
[12775.113504] CR2: ffffe67870000008
[12775.113506] ---[ end trace acad3c74f8c86c58 ]---
[12775.128680] snd_hda_intel 0000:00:1f.3: Unstable LPIB (381404 >= 192000); disabling LPIB delay counting
[12775.265633] RIP: 0010:kfree+0x55/0x250
[12775.265638] Code: 80 49 01 dc 0f 82 03 02 00 00 48 c7 c0 00 00 00 80 48 2b 05 c5 d9 1e 01 49 01 c4 49 c1 ec 0c 49 c1 e4 06 4c 03 25 a3 d9 1e 01 <49> 8b 44 24 08 48 8d 50 ff a8 01 4c 0f 45 e2 49 8b 54 24 08 48 8d
[12775.265639] RSP: 0018:ffffa4cfc2bebcb0 EFLAGS: 00010286
[12775.265641] RAX: 00006c3b80000000 RBX: 0000002000000000 RCX: ffff93cc1c11d238
[12775.265641] RDX: 0000000000000001 RSI: 0000000000106e56 RDI: 0000002000000000
[12775.265642] RBP: ffffa4cfc2bebcd0 R08: ffff93cc5fa5f4a8 R09: 0000000000106e77
[12775.265643] R10: 0000000000000000 R11: 0000000000000001 R12: ffffe67870000000
[12775.265643] R13: ffffffff9e345309 R14: 0000000000000002 R15: ffff93cb5060e800
[12775.265644] FS: 00007fdebf4b9cc0(0000) GS:ffff93cc6f600000(0000) knlGS:0000000000000000
[12775.265645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[12775.265646] CR2: ffffe67870000008 CR3: 000000081c144006 CR4: 0000000000760ef0
[12775.265646] PKRU: 55555554
[12819.748529] rfkill: input handler enabled
[12819.748537] fbcon: Taking over console
[12820.213450] Console: switching to colour frame buffer device 240x67
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.8.0-44.50~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-44-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Mar 1 16:47:49 2021
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 6.1.16, 5.6.0-1048-oem, x86_64: installed
virtualbox, 6.1.16, 5.8.0-44-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GpuHangFrequency: Very infrequently
GraphicsCard:
Intel Corporation Device [8086:9a49] (rev 01) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:0a36]
InstallationDate: Installed on 2021-02-27 (1 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
MachineType: Dell Inc. Latitude 7420
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-44-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/18/2021
dmi.bios.release: 1.3
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.5
dmi.board.name: 095TWY
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.3.5:bd01/18/2021:br1.3:svnDellInc.:pnLatitude7420:pvr:rvnDellInc.:rn095TWY:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude 7420
dmi.product.sku: 0A36
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.2.6-0ubuntu0.20.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
Please try some older/newer kernel versions so that we can figure out when the problem started, or if it's already been fixed...
https:/