Public bug reported:
We have a PPC system on Ubuntu 16.04.1 LTS that will lock up if we issue a
display or status command to the RAID controller during RAID rebuild process.
The HDDs where the Operating system resides will change to RO (Read Only) once
we trigger the problem. This will only occur if the Operating System's HDDs
are also connected to the RAID controller. We've tried this problem with the
OS residing on a USB and this problem does not occur.
Apport is not writing or reporting anything in the "/etc/apport/" directory
"ubuntu-bug" is not accessible after the crash.
Ubuntu 16.04.1 LTS
4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:05:18 UTC 2016 ppc64le
PPC64EL (Power8)
RAID Controller: LSI SAS3008
- Driver: mpt3sas
- Driver version: 12.100.00.00
HDDs:
- 2x WD Re SATA WD5003ABYZ-011FA0 (RAID0 / OS resides)
- 2x Seagate ST6000NM0034 (FW: E001) (RAID1)
1.) Ubuntu 16.04.1 LTS
2.) 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:05:18 UTC 2016 ppc64le
3.) A driver update to prevent this from crashing the system.
4.) The system crashed. Please read the first paragraph above.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: udisks2 (not installed)
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic ppc64le
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: ppc64el
Date: Tue Aug 16 18:23:32 2016
InstallationDate: Installed on 2016-08-16 (0 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release ppc64el
(20160719)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcLoadAvg: 0.00 0.01 0.00 1/1117 9416
ProcLocks:
1: FLOCK ADVISORY WRITE 7727 00:17:5 0 EOF
2: FLOCK ADVISORY WRITE 7723 00:14:631 0 EOF
ProcSwaps:
Filename Type Size Used Priority
/dev/sda3 partition 39432128 0
-1
ProcVersion: Linux version 4.4.0-31-generic (buildd@bos01-ppc64el-028) (gcc
version 5.3.1 20160413 (Ubuntu/IBM 5.3.1-14ubuntu2.1) ) #50-Ubuntu SMP Wed Jul
13 00:05:18 UTC 2016
SourcePackage: udisks2
Symptom: storage
Title: No permission to access files on storage device
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT=8
** Affects: udisks2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug ppc64el xenial
** Attachment added: "copies of dmesg, kernlog, mount, syslog files."
https://bugs.launchpad.net/bugs/1613925/+attachment/4722422/+files/compile-logs.zip
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https://bugs.launchpad.net/bugs/1613925
Title:
PPC system locks up after sas3ircu command is issued during RAID
rebuild
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