Initial runs of sudo dmesg -w over SSH only showed USB connection events and nothing useful at the time of the crash.
I then enabled verbose DRM debug logging: echo 0xf | sudo tee /sys/module/drm/parameters/debug sudo dmesg -w | tee ~/mst-crash-drm-debug.log This captured the full modeset sequence leading up to the lockup ** Attachment added: "mst-crash-dmesg.log.gz" https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.17/+bug/2141225/+attachment/5945806/+files/mst-crash-dmesg.log.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2141225 Title: Kernel panic when connecting USB-C Dell monitors on Ubuntu kernel 6.17.0-14-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.17/+bug/2141225/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
