Created attachment 145840 [details]
GPU crash dump saved to /sys/class/drm/card0/error
The display stopped responding for a little while, so I checked dmesg
and the drm system asked for a bug report. Hasn't happened before.
First boot of kernel 5.3.8.
~ $ uname -m
~ $ uname -r
~ $ cat /etc/debian_version
Machine: Lenovo T460s
Display connector: HDMI
~ $ dmesg|tail -n 13
[ 3.083590] broken atomic modeset userspace detected, disabling atomic
[ 3.179853] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 3.373863] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input18
[ 6.819680] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 6.819798] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 63.504767] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe B FIFO underrun
[ 73.208311] i915 0000:00:02.0: GPU HANG: ecode 9:0:0x00000000, hang on rcs0
[ 73.208312] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[ 73.208312] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[ 73.208312] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[ 73.208313] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[ 73.208313] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 73.209322] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0
*** This bug has been marked as a duplicate of bug 111970 ***