here's some interesting output: # dmesg | grep bay
[ 19.480642] ACPI: \_SB_.PCI0.IDE0.SCND.MSTR: found ejectable bay [ 19.480702] ACPI: Error installing bay notify handler [ 20.983327] thinkpad_acpi: another device driver is already handling bay events [ 20.983331] thinkpad_acpi: disabling subdriver bay [ 20.983569] Registered led device: tpacpi::bay_active [ 28.016933] ACPI: \_SB_.PCI0.IDE0.SCND.MSTR: found ejectable bay [ 28.016988] ACPI: Error installing bay notify handler It's back :( -- Thinkpad freezes when undocking from Ultrabay if CD/DVD-ROM drive has not been deleted manually https://bugs.launchpad.net/bugs/242638 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs