Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.16 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16-rc4 ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Tags added: artful kernel-da-key ** Tags added: needs-bisect -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1754571 Title: Desktop system won't run with latest kernel 4.13 36/40 Status in linux package in Ubuntu: Incomplete Bug description: My Intel-based desktop system was working fine with Ubuntu 16.04.3 and Linux 4.13 32/35 up to 12 Feb 18. Since then it has been unable to complete a boot-up, and will only run in recovery-mode. I have found similar symptoms as were previously raised in bug 1568211. These are the boot messages: :~$ sudo dmesg | egrep 'drm|radeon' [ 1.803359] [drm] VGACON disable radeon kernel modesetting. [ 1.803429] [drm:radeon_init [radeon]] *ERROR* No UMS support in radeon module! [ 8.597977] [drm] VGACON disable radeon kernel modesetting. [ 8.598047] [drm:radeon_init [radeon]] *ERROR* No UMS support in radeon module! [ 29.552451] [drm] VGACON disable radeon kernel modesetting. [ 29.552497] [drm:radeon_init [radeon]] *ERROR* No UMS support in radeon module! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1754571/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
