I did some investigations about the history of kernels run in my system before the issue through journalctl:
---------------------- root=UUID=.... ro quiet splash mem_sleep_default=deep vt.handoff=1 2020-03-31T10:33:14+0200 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-5.3.0-42-generic root=UUID=.... ro quiet splash mem_sleep_default=deep vt.handoff=1 2020-03-31T10:55:30+0200 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-5.3.0-42-generic root=UUID=.... ro quiet splash mem_sleep_default=deep vt.handoff=1 2020-04-21T09:13:43+0200 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-5.3.0-46-generic root=UUID=.... ro quiet splash mem_sleep_default=deep vt.handoff=1 2020-04-21T10:16:47+0200 kernel: i915 0000:00:02.0: GPU HANG: ecode 9:0:0x00000000, hang on rcs0 2020-04-21T10:16:47+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T10:19:25+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T10:19:58+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T10:21:23+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T10:21:51+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 [...] 2020-04-21T15:02:56+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T15:08:37+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T15:08:53+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T15:20:57+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T15:21:05+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T15:43:26+0200 kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 2020-04-21T15:45:21+0200 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-5.3.0-45-generic root=UUID=.... ro quiet splash mem_sleep_default=deep vt.handoff=1 ---------------------- I can say for sure that it started with 5.3.0-46, but when i reverted to the 5.3.0-45, that i never run before the issue (because i did a jump to 45) the hangs disappeared but the cpu now overheats very easily... the fan are always on when I use something like IDEs. ---------------------- [280608.468815] mce: CPU7: Package temperature above threshold, cpu clock throttled (total events = 1027143) [280608.468817] mce: CPU6: Package temperature above threshold, cpu clock throttled (total events = 1027144) [280608.468817] mce: CPU14: Package temperature above threshold, cpu clock throttled (total events = 1027144) ---------------------- I am considering going back to 5.3.0-42 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872001 Title: 5.3.0-46-generic - i915 - frequent GPU hangs / resets rcs0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1872001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs