Public bug reported:
Running up-to-date Ubuntu-18.04.3 with kernel 5.3.0-26 on a Dell
Optiplex 7060 with an i7-8700 CPU and Intel UHD Graphics 630 (Coffeelake
3x8 GT2).
I had chrome, slack and vmware-player running in Gnome. While doing some
git clone, screen+mouse+keyboard froze for 2 minutes after which xorg
and everything else recovered. I saw this in dmesg:
kernel: show_signal_msg: 2 callbacks suppressed
kernel: GpuWatchdog[20399]: segfault at 0 ip 0000556fd1665ded sp
00007efbf17e46c0 error 6 in chrome[556fcd72a000+7171000]
kernel: Code: 48 c1 c9 03 48 81 f9 af 00 00 00 0f 87 c9 00 00 00 48 8d 15 a9 5a
9c fb f6 04 11 20 0f 84 b8 00 00 00 be 01 00 00 00 ff 50 30 <c7> 04 25 00 00 00
00 37 13 00 00 c6 05 c1 6d
kernel: nvme nvme0: I/O 202 QID 6 timeout, aborting
kernel: nvme nvme0: I/O 203 QID 6 timeout, aborting
kernel: nvme nvme0: I/O 204 QID 6 timeout, aborting
kernel: nvme nvme0: I/O 205 QID 6 timeout, aborting
kernel: nvme nvme0: Abort status: 0x0
kernel: nvme nvme0: Abort status: 0x0
kernel: nvme nvme0: Abort status: 0x0
kernel: nvme nvme0: Abort status: 0x0
kernel: nvme nvme0: I/O 202 QID 6 timeout, reset controller
kernel: nvme nvme0: 12/0/0 default/read/poll queues
While writing this bug report, the system froze again, and this time it
didn't recover. After a cold reset I didn't see any other GpuWatchdog
messages in journalctl.
Ubuntu applied a BIOS firmware update before the first freeze, so my
BIOS was updated as part of the cold reset I did. Not sure if this is
relevant to reproducing the freeze.
** Affects: intel-gpu-tools (Ubuntu)
Importance: Undecided
Status: New
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which is subscribed to intel-gpu-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1861294
Title:
Gpu watchdog segfault and video+kbd+mouse freeze on optiplex 7060
intel gpu
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