Would it be possible for you to test the latest upstream stable kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.4 stable 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'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-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/v4.4.6-wily/ ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Tags added: kernel-da-key regression-proposed xenial ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1563998 Title: Ubuntu 16.04 Kernel 4.4.0-16 doesn't boot, cannot open root device Status in linux package in Ubuntu: Incomplete Bug description: - Thinkpad X230, latest Bios, BIOS Legacy Boot active - Ubuntu 16.04 - Kernel 4.4.0-16 - dm-crypt / LUKS full disk encryption setup during install with BTRFS as filesystems - partion layout: steven@thinkpad:~$ blkid /dev/mapper/sdb2_crypt: UUID="DiTDe3-wjSv-YCFz-Lful-KBMl-BCWr-t2Jzry" TYPE="LVM2_member" /dev/mapper/vg_crypt-lv_root: LABEL="ROOT" UUID="0760638f-92f7-4bd9-a5b8-638002a1d699" UUID_SUB="b8c21ae4-99c7-470f-a2a1-24308c5177e7" TYPE="btrfs" /dev/sda1: LABEL="BOOT" UUID="895c6d03-cc2d-4303-b59e-eb8f5b6452f2" UUID_SUB="7e9d110f-7a6f-4c21-8438-e746acf53b9a" TYPE="btrfs" PARTUUID="83f8d594-01" /dev/sda2: UUID="0ce18f8a-9317-40c6-bb1d-cc5608b3b58d" TYPE="crypto_LUKS" PARTUUID="83f8d594-02" /dev/mapper/vg_crypt-lv_swap: UUID="8010fb1a-fdc0-40d6-a241-1d52d2a89f8f" TYPE="swap" - since Kernel 4.4.0-16-generic the system doesn't boot, it shows a "VFS: Cannot open root device "mapper/vg_crypt-lv_root" or unknown-block(0,0): error -6" error - see attached screenshots for more detailed error message - if i boot Kernel 4.4.0-15-generic then the boot is successfull To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1563998/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
