Public bug reported:
I have two SSDs in raid0 (striped) configuration with my root and home
as separate subvolumes. This setup has worked fine for several Ubuntu
releases, but fails with systemd on 15.04. systemd does manage to mount
root, but then looks like it is trying to fsck the "disk" for home which
is nonsensical. After 90 seconds it drops into a useless shell where I
can't fix things.
Relevant lines from /etc/fstab
UUID=3ff68715-0daa-4e44-8de2-0997f36d8ab6 / btrfs
defaults,device=/dev/disk/by-id/ata-Crucial_CT960M500SSD1_1347095B97B4-part1,device=/dev/disk/by-id/ata-Crucial_CT960M500SSD1_1338094EA3CA-part1,autodefrag,compress=lzo,subvol=@
0 1
UUID=3ff68715-0daa-4e44-8de2-0997f36d8ab6 /home btrfs
defaults,device=/dev/disk/by-id/ata-Crucial_CT960M500SSD1_1347095B97B4-part1,device=/dev/disk/by-id/ata-Crucial_CT960M500SSD1_1338094EA3CA-part1,autodefrag,compress=lzo,subvol=@home
0 2
Note how the lines are identical except for the subvol value. I originally
didn't have the device= bits either but had to add it for root because of how
`btrfs device scan` is run. With or without it present doesn't make any
difference for home.
There is no such problem booting with upstart
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: systemd 219-7ubuntu3
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Thu Apr 23 19:45:38 2015
MachineType: System manufacturer System Product Name
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-15-generic
root=UUID=3ff68715-0daa-4e44-8de2-0997f36d8ab6 ro rootflags=subvol=@ nomdmonddf
nomdmonisw init=/sbin/upstart
SourcePackage: systemd
SystemdDelta:
[EXTENDED] /lib/systemd/system/systemd-timesyncd.service →
/lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf
1 overridden configuration files found.
UpgradeStatus: Upgraded to vivid on 2015-04-23 (0 days ago)
dmi.bios.date: 08/13/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2104
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8Z77-V PRO
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2104:bd08/13/2013:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8Z77-VPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
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https://bugs.launchpad.net/bugs/1447879
Title:
Systemd outsmarts itself with btrfs
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