installing multipath-tools 0.5.0 on trusty leaves the system unable to boot

Bug #1474984 reported by Steve Langasek
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
initramfs-tools (Ubuntu)
Triaged
Undecided
Unassigned
multipath-tools (Ubuntu)
New
Undecided
Unassigned

Bug Description

In order to test the fix for bug #1468897 on trusty on a POWER8 system (PowerNV mode), Mike installed the multipath-tools package from wily. This results in a system that fails to boot, dropping to the initramfs. The reproducible failure is:

Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... Begin: Loading multipath modules ... Success: loaded module dm-multipath.
Failure: failed to load module dm-emc.
done.
Begin: Discovering multipaths ... done.
done.
Gave up waiting for root device. Common problems:
 - Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
   - Check root= (did the system wait for the right device?)
 - Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/mapper/mpath0-part2 does not exist. Dropping to a shell!
[ 220.162333] hidraw: raw HID events driver (C) Jiri Kosina
[ 220.164232] usbcore: registered new interface driver usbhid
[ 220.164277] usbhid: USB HID core driver

BusyBox v1.21.1 (Ubuntu 1:1.21.0-1ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs)

Debugging info:

(initramfs) cat /proc/cmdline
root=/dev/mapper/mpath0-part2 ro
(initramfs) /sbin/multipath -v 3; echo $?
Jul 15 18:21:52 | libdevmapper version 1.02.99 (2015-06-20)
Jul 15 18:21:52 | DM multipath kernel driver v1.7.0
Jul 15 18:21:52 | loading /lib/multipath/libcheckdirectio.so checker
Jul 15 18:21:52 | loading /lib/multipath/libprioconst.so prioritizer
Jul 15 18:21:52 | sr0: blacklisted, udev property missing
Jul 15 18:21:52 | sda: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sda: not found in pathvec
Jul 15 18:21:52 | sda: mask = 0x3f
Jul 15 18:21:52 | sda: dev_t = 8:0
Jul 15 18:21:52 | sda: size = 554287104
Jul 15 18:21:52 | sda: vendor = IBM
Jul 15 18:21:52 | sda: product = IPR-0 5EC25900
Jul 15 18:21:52 | sdb: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sdb: not found in pathvec
Jul 15 18:21:52 | sdb: mask = 0x3f
Jul 15 18:21:52 | sdb: dev_t = 8:16
Jul 15 18:21:52 | sdb: size = 554287104
Jul 15 18:21:52 | sdb: vendor = IBM
Jul 15 18:21:52 | sdb: product = IPR-0 5EC25900
Jul 15 18:21:52 | sdc: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sdc: not found in pathvec
Jul 15 18:21:52 | sdc: mask = 0x3f
Jul 15 18:21:52 | sdc: dev_t = 8:32
Jul 15 18:21:52 | sdc: size = 554287104
Jul 15 18:21:52 | sdc: vendor = IBM
Jul 15 18:21:52 | sdc: product = IPR-0 5EC25900
Jul 15 18:21:52 | sdd: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sdd: not found in pathvec
Jul 15 18:21:52 | sdd: mask = 0x3f
Jul 15 18:21:52 | sdd: dev_t = 8:48
Jul 15 18:21:52 | sdd: size = 554287104
Jul 15 18:21:52 | sdd: vendor = IBM
Jul 15 18:21:52 | sdd: product = IPR-0 5EC25900
Jul 15 18:21:52 | sde: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sde: not found in pathvec
Jul 15 18:21:52 | sde: mask = 0x3f
Jul 15 18:21:52 | sde: dev_t = 8:64
Jul 15 18:21:52 | sde: size = 554287104
Jul 15 18:21:52 | sde: vendor = IBM
Jul 15 18:21:52 | sde: product = IPR-0 5EC25900
Jul 15 18:21:52 | sdf: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sdf: not found in pathvec
Jul 15 18:21:52 | sdf: mask = 0x3f
Jul 15 18:21:52 | sdf: dev_t = 8:80
Jul 15 18:21:52 | sdf: size = 554287104
Jul 15 18:21:52 | sdf: vendor = IBM
Jul 15 18:21:52 | sdf: product = IPR-0 5EC25900
Jul 15 18:21:52 | sdg: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sdg: not found in pathvec
Jul 15 18:21:52 | sdg: mask = 0x3f
Jul 15 18:21:52 | sdg: dev_t = 8:96
Jul 15 18:21:52 | sdg: size = 554287104
Jul 15 18:21:52 | sdg: vendor = IBM
Jul 15 18:21:52 | sdg: product = IPR-0 5EC25900
Jul 15 18:21:52 | sdh: udev property SCSI_IDENT_LUN_T10 whitelisted
Jul 15 18:21:52 | sdh: not found in pathvec
Jul 15 18:21:52 | sdh: mask = 0x3f
Jul 15 18:21:52 | sdh: dev_t = 8:112
Jul 15 18:21:52 | sdh: size = 554287104
Jul 15 18:21:52 | sdh: vendor = IBM
Jul 15 18:21:52 | sdh: product = IPR-0 5EC25900
Jul 15 18:21:52 | loop0: blacklisted, udev property missing
Jul 15 18:21:52 | loop1: blacklisted, udev property missing
Jul 15 18:21:52 | loop2: blacklisted, udev property missing
Jul 15 18:21:52 | loop3: blacklisted, udev property missing
Jul 15 18:21:52 | loop4: blacklisted, udev property missing
Jul 15 18:21:52 | loop5: blacklisted, udev property missing
Jul 15 18:21:52 | loop6: blacklisted, udev property missing
Jul 15 18:21:52 | loop7: blacklisted, udev property missing
Jul 15 18:21:52 | ram0: blacklisted, udev property missing
Jul 15 18:21:52 | ram1: blacklisted, udev property missing
Jul 15 18:21:52 | ram10: blacklisted, udev property missing
Jul 15 18:21:52 | ram11: blacklisted, udev property missing
Jul 15 18:21:52 | ram12: blacklisted, udev property missing
Jul 15 18:21:52 | ram13: blacklisted, udev property missing
Jul 15 18:21:52 | ram14: blacklisted, udev property missing
Jul 15 18:21:52 | ram15: blacklisted, udev property missing
Jul 15 18:21:52 | ram2: blacklisted, udev property missing
Jul 15 18:21:52 | ram3: blacklisted, udev property missing
Jul 15 18:21:52 | ram4: blacklisted, udev property missing
Jul 15 18:21:52 | ram5: blacklisted, udev property missing
Jul 15 18:21:52 | ram6: blacklisted, udev property missing
Jul 15 18:21:52 | ram7: blacklisted, udev property missing
Jul 15 18:21:52 | ram8: blacklisted, udev property missing
Jul 15 18:21:52 | ram9: blacklisted, udev property missing
Jul 15 18:21:52 | unloading const prioritizer
Jul 15 18:21:52 | unloading directio checker
1
(initramfs) cat /etc/multipath/bindings
# This file was created by curtin while installing the system.
mpath0 1IBM IPR-0 5EC2590000000080
# End of content generated by curtin.
# Everything below is maintained by multipath subsystem.
mpath1 1IBM IPR-0 5EC2590000000060
mpath2 1IBM IPR-0 5EC2590000000040
mpath3 1IBM IPR-0 5EC2590000000020
(initramfs) cat /etc/multipath.conf
# This file was created by curtin while installing the system.
defaults {
 user_friendly_names yes
}
(initramfs)

Revision history for this message
Steve Langasek (vorlon) wrote :

Note that this is not reproducible with the version of multipath-tools in the trusty SRU queue. It will need resolving regardless, if this issue will affect users who installed on 14.04 when upgrading.

Revision history for this message
Andy Whitcroft (apw) wrote :

Adding multipath-tools as the module load is occuring in the initramfs hooks in that package.

Changed in initramfs-tools (Ubuntu):
status: New → Confirmed
Andy Whitcroft (apw)
Changed in initramfs-tools (Ubuntu):
status: Confirmed → Triaged
Revision history for this message
Scott Moser (smoser) wrote :

related bug 1489959 filed when i tried to install wily on power8 system today.

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