(In reply to Alec Habig from comment #36) > ok, all's not wine and roses. When exiting X, it goes into the same style > lockup as used to happen on boot. Which includes crashing so hard that > often times (but not all the time) the BIOS can't find the boot disk after > the next power cycle. > > At least the bug moving further back in the chain means I can do some work, > and investigate a running system. Thank goodness I didn't uninstall the > (still happily working) kernel-4.14.18-300.fc27.x86_64
Alec, sorry for the delay... Do you have the dmesg from boot? Attached logs are old. Have you verified wtih latest drm-tip? Please attach the latest dmesg from boot with kernel parameters drm.debug=0x1e log_buf_len=4M. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1751268 Title: bionic desktop does not boot with external monitor attached - [drm:ironlake_crtc_enable [i915]] *ERROR* mode set failed: pipe A stuck / vblank wait timed out on crtc 1 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1751268/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs