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 x86_64 ~ $ uname -r 5.3.8 ~ $ cat /etc/debian_version bullseye/sid 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 ***
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