The kernel test resolves the bug. The partition mount correctly at startup, I do not remain block at boot (emergency mode). Only difference, I'm with a minimal kernel (linux-image-virtual/linux-headers-virtual).
-- 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/1789653 Title: regression with EXT4 file systems and meta_bg flag Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: In Progress Bug description: Hello, In 16.04 lts (Ubuntu 4.4.0-134.160-generic 4.4.140) with all partitions in ext4 with flag meta_bg : kernel: [ 1905.799557] EXT4-fs (dm-7): ext4_check_descriptors: Block bitmap for group 0 overlaps block group descriptors kernel: [ 1905.799858] EXT4-fs (dm-7): group descriptors corrupted! Go back with the kernel 4.4.0-133-generic and all partitions mount correctly. It looks like this: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=44de022c4382541cebdd6de4465d1f4f465ff1dd The patch is available in 4.4.147 (https://lwn.net/Articles/762083/) --- AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory CRDA: N/A DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=/dev/mapper/vg_system-lv_system_swap InstallationDate: Installed on 2017-04-28 (488 days ago) InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) IwConfig: Error: [Errno 2] No such file or directory Lsusb: Error: [Errno 2] No such file or directory MachineType: VMware, Inc. VMware Virtual Platform Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-134-generic root=/dev/mapper/vg_system-lv_system_root ro ipv6.disable=1 ProcVersionSignature: Ubuntu 4.4.0-134.160-generic 4.4.140 RelatedPackageVersions: linux-restricted-modules-4.4.0-134-generic N/A linux-backports-modules-4.4.0-134-generic N/A linux-firmware N/A RfKill: Error: [Errno 2] No such file or directory Tags: xenial xenial Uname: Linux 4.4.0-134-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 07/31/2013 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: 6.00 dmi.board.name: 440BX Desktop Reference Platform dmi.board.vendor: Intel Corporation dmi.board.version: None dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 1 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd07/31/2013:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A: dmi.product.name: VMware Virtual Platform dmi.product.version: None dmi.sys.vendor: VMware, Inc. --- AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory CRDA: N/A DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=/dev/mapper/vg_system-lv_system_swap InstallationDate: Installed on 2017-04-28 (488 days ago) InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) IwConfig: Error: [Errno 2] No such file or directory Lsusb: Error: [Errno 2] No such file or directory MachineType: VMware, Inc. VMware Virtual Platform Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-134-generic root=/dev/mapper/vg_system-lv_system_root ro ipv6.disable=1 ProcVersionSignature: Ubuntu 4.4.0-134.160-generic 4.4.140 RelatedPackageVersions: linux-restricted-modules-4.4.0-134-generic N/A linux-backports-modules-4.4.0-134-generic N/A linux-firmware N/A RfKill: Error: [Errno 2] No such file or directory Tags: xenial xenial xenial Uname: Linux 4.4.0-134-generic x86_64 UnreportableReason: The report belongs to a package that is not installed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: WifiSyslog: août 29 21:01:28 Template1604LTS kernel: [UFW BLOCK] IN=admin OUT= MAC=01:00:5e:00:00:01:a0:1b:29:89:4f:1a:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x80 TTL=1 ID=0 DF PROTO=2 août 29 21:02:08 Template1604LTS kernel: [UFW BLOCK] IN=admin OUT= MAC=01:00:5e:00:00:01:a0:1b:29:89:4f:1a:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x80 TTL=1 ID=0 DF PROTO=2 _MarkForUpload: False dmi.bios.date: 07/31/2013 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: 6.00 dmi.board.name: 440BX Desktop Reference Platform dmi.board.vendor: Intel Corporation dmi.board.version: None dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 1 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd07/31/2013:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A: dmi.product.name: VMware Virtual Platform dmi.product.version: None dmi.sys.vendor: VMware, Inc. 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