Public bug reported:
---Problem Description---
boot failure with LVM root disk
---uname output---
4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:07:52 UTC 2020 s390x s390x s390x
GNU/Linux
Machine Type = 8561 LT1
---System Hang---
Boot failure with LVM root disk and enter emergency shell
---Debugger---
A debugger is not configured
---Steps to Reproduce---
boot the system
*Additional Instructions for Chee Ye/[email protected]:
-Attach:
/proc/partitions
/proc/mounts/
/etc/lvm/lvm.conf
dmsetup ls
dmsetup table
dmsetup targets
dmsetup version
lvm version
During boot, got below error message and then entered emergency shell. I am
attaching part of the console log from HMC.
"WARNING: PV UbKGJN-sLdU-PeZu-p2hF-ca1W-Gd74-WUISRc prefers device /dev/sdah be"
"cause device was seen first."
"WARNING: PV UbKGJN-sLdU-PeZu-p2hF-ca1W-Gd74-WUISRc prefers device /dev/sdah be"
"cause device was seen first."
"WARNING: PV UbKGJN-sLdU-PeZu-p2hF-ca1W-Gd74-WUISRc prefers device /dev/sdah be"
"cause device was seen first."
"WARNING: PV 3wBaLS-TaW1-IJAI-Akmo-k90H-uT6G-j7XEX3 prefers device /dev/sdh5 be"
"cause device was seen first."
"WARNING: PV 3wBaLS-TaW1-IJAI-Akmo-k90H-uT6G-j7XEX3 prefers device /dev/sdh5 be"
"cause device was seen first."
"WARNING: PV 3wBaLS-TaW1-IJAI-Akmo-k90H-uT6G-j7XEX3 prefers device /dev/sdh5 be"
"cause device was seen first."
"WARNING: PV Ksjsai-Hw03-r9x9-n2Kv-4tqe-GyP9-qVWc2c prefers device /dev/sdcn be"
"cause device was seen first."
"WARNING: PV Ksjsai-Hw03-r9x9-n2Kv-4tqe-GyP9-qVWc2c prefers device /dev/sdcn be"
"cause device was seen first."
"WARNING: PV Ksjsai-Hw03-r9x9-n2Kv-4tqe-GyP9-qVWc2c prefers device /dev/sdcn be"
"cause device was seen first."
"Cannot activate LVs in VG ISVCL1-vg while PVs appear on duplicate devices."
done.
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: error opening /dev/md?*: No such file or directory"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
"mdadm: No arrays found in config file or automatically"
done.
"Gave up waiting for root file system device. Common problems:"
"- Boot args (cat /proc/cmdline)"
"- Check rootdelay= (did the system wait long enough?)"
"- Missing modules (cat /proc/modules; ls /dev)"
"chvt: can't open console"
"ALERT! /dev/mapper/ISVCL1--vg-root does not exist. Dropping to a shell!"
"Couldn't get a file descriptor referring to the console"
"/scripts/panic/console_setup: line 133: can't create /dev/tty1: No such device
o"
"r address"
"/scripts/panic/console_setup: line 1: can't open /dev/tty1: No such device or
ad"
dress
"/scripts/panic/console_setup: line 1: can't create /dev/tty2: No such device
or"
address
"/scripts/panic/console_setup: line 1: can't open /dev/tty2: No such device or
ad"
dress
"/scripts/panic/console_setup: line 1: can't create /dev/tty3: No such device
or"
address
"/scripts/panic/console_setup: line 1: can't open /dev/tty3: No such device or
ad"
dress
"/scripts/panic/console_setup: line 1: can't create /dev/tty4: No such device
or"
address
"/scripts/panic/console_setup: line 1: can't open /dev/tty4: No such device or
ad"
dress
"/scripts/panic/console_setup: line 1: can't create /dev/tty5: No such device
or"
address
"/scripts/panic/console_setup: line 1: can't open /dev/tty5: No such device or
ad"
dress
"/scripts/panic/console_setup: line 1: can't create /dev/tty6: No such device
or"
address
"/scripts/panic/console_setup: line 1: can't open /dev/tty6: No such device or
ad"
dress
"BusyBox v1.27.2 (Ubuntu 1:1.27.2-2ubuntu3.2) built-in shell (ash)"
"Enter 'help' for a list of built-in commands."
"(initramfs) [6n"
console-log during boot
lvm.conf file
Attached the lvm.conf file.
Also tried to add filter in the lvm.conf as below. But still failed to
boot.
filter = [ "a|/dev/mapper/mpath.*|", "r|.*|" ]
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bugnameltc-189833 severity-medium
targetmilestone-inin---
** Tags added: architecture-s39064 bugnameltc-189833 severity-medium
targetmilestone-inin---
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https://bugs.launchpad.net/bugs/1906384
Title:
[UBUNTU 18.04] lvm boot failure
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