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Message #169886
[Bug 1563998] Re: Ubuntu 16.04 Kernel 4.4.0-16 doesn't boot, cannot open root device
lspci -vnvn log added
** Attachment added: "lspci_-vnvn.log"
https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1563998/+attachment/4617357/+files/lspci_-vnvn.log
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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:
New
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
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References