Public bug reported:
1. # lsb_release -rd
Description: Ubuntu Disco Dingo (development branch)
Release: 19.04
2. # apt-cache policy bcache-tools
bcache-tools:
Installed: 1.0.8-3
Candidate: 1.0.8-3
Version table:
*** 1.0.8-3 500
500 http://us.ports.ubuntu.com/ubuntu-ports disco/main s390x Packages
100 /var/lib/dpkg/status
3. bcache-super-show /dev/dasda
Should return the superblock information on the device.
4. segfaults.
Reproduce with:
$ ls -al /dev/disk/by-path/ccw-0.0.1520
lrwxrwxrwx 1 root root 11 Mar 22 08:34 /dev/disk/by-path/ccw-0.0.1520 ->
../../dasda
$ make-bcache --writeback --cache /dev/disk/by-path/ccw-0.0.1520
$ bcache-super-show /dev/disk/by-path/ccw-0.0.1520
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: bcache-tools 1.0.8-3
ProcVersionSignature: Ubuntu 4.18.0-15.16-generic 4.18.20
Uname: Linux 4.18.0-15-generic s390x
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.10-0ubuntu21
Architecture: s390x
Date: Fri Mar 22 08:38:06 2019
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: bcache-tools
UpgradeStatus: Upgraded to disco on 2019-02-18 (31 days ago)
** Affects: bcache-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug disco s390x
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https://bugs.launchpad.net/bugs/1821353
Title:
bcache-super-show segfaults reading superblock on dasd
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