https://bugzilla.kernel.org/show_bug.cgi?id=109901 Bug ID: 109901 Summary: linux-image-4.4.0-rc4-amd64: Fails to boot on kernel 4.4rc4 Product: File System Version: 2.5 Kernel Version: 4.4.0-rc4 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: blocking Priority: P1 Component: ext4 Assignee: fs_ext4@xxxxxxxxxxxxxxxxxxxx Reporter: ar.kernel@xxxxxxxxx Regression: No Actually, i'm usging linux-image-4.3.0-amd64 on Dell XPS 13 9350. In order to fix WiFi problem i would install linux-image-4.4.0rc4 but it makes it impossible to boot my laptop. I have this message before Luks ask passphrase : Loading, please wait... modprobe: module microcode not found in modules.dep lvmetad is not active yet, using direct activation during sysinit volume group "vg" not found Cannot process volume group vg /run/lvm/lvmetad.socket: connect failed: No such file or directory WARNING: Failed to connect to lvmetad. Falling back to internal scanning. Reading all physical volumes. This may take a while... /run/lvm/lvmetad.socket: connect failed: No such file or directory WARNING: Failed to connect to lvmetad. Falling back to internal scanning. Reading all physical volumes. This may take a while... /run/lvm/lvmetad.socket: connect failed: No such file or directory WARNING: Failed to connect to lvmetad. Falling back to internal scanning. Reading all physical volumes. This may take a while... /run/lvm/lvmetad.socket: connect failed: No such file or directory WARNING: Failed to connect to lvmetad. Falling back to internal scanning. Reading all physical volumes. This may take a while... /run/lvm/lvmetad.socket: connect failed: No such file or directory WARNING: Failed to connect to lvmetad. Falling back to internal scanning. Reading all physical volumes. This may take a while... /run/lvm/lvmetad.socket: connect failed: No such file or directory WARNING: Failed to connect to lvmetad. Falling back to internal scanning. I have the same problem with Rc5 & Rc6 - Debian Jessie - dell XPS 9350 (december 2015, professionnal version, no developer version) -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html