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https://bugs.launchpad.net/bugs/1761626
Title:
[regression] bionic 4.15.0-13-generic panics on qemu ppc64el
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Artful:
Triaged
Status in linux source package in Bionic:
Triaged
Bug description:
When upgrading to bionic on a qemu ppc64el instance, the 4.15.0 kernel
panics before initrd. Going back to xenial 4.4.0 works correctly.
linux-image-4.15.0-13-generic:
Installed: 4.15.0-13.14
Candidate: 4.15.0-13.14
Version table:
*** 4.15.0-13.14 500
500 http://nibbler.snowman.lan/deb-proxy/ubuntu-ports bionic/main
ppc64el Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-13-generic 4.15.0-13.14
ProcVersionSignature: Ubuntu 4.4.0-119.143-generic 4.4.114
Uname: Linux 4.4.0-119-generic ppc64le
.var.log.platform: Error: [Errno 13] Permission denied: '/var/log/platform'
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Apr 5 16:11 seq
crw-rw---- 1 root audio 116, 33 Apr 5 16:11 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu2
Architecture: ppc64el
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Thu Apr 5 16:13:28 2018
HibernationDevice: RESUME=UUID=2e904a57-3ce7-4b31-97ed-6c63b81b2221
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
PciMultimedia:
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinux-4.4.0-119-generic
root=UUID=294515c8-75f2-4996-8e4f-a838e6c75804 ro
ProcLoadAvg: 3.04 2.18 0.92 3/119 1643
ProcLocks:
1: POSIX ADVISORY WRITE 1225 00:12:470 0 EOF
2: POSIX ADVISORY WRITE 841 00:12:459 0 EOF
3: FLOCK ADVISORY WRITE 832 00:12:449 0 EOF
4: POSIX ADVISORY WRITE 802 00:12:432 0 EOF
5: POSIX ADVISORY WRITE 350 00:12:294 0 EOF
ProcSwaps:
Filename Type Size Used Priority
/dev/vda3 partition 1408960 0 -1
ProcVersion: Linux version 4.4.0-119-generic (buildd@bos02-ppc64el-006) (gcc
version 5.4.0 20160609 (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) ) #143-Ubuntu SMP
Mon Apr 2 16:08:02 UTC 2018
RelatedPackageVersions:
linux-restricted-modules-4.4.0-119-generic N/A
linux-backports-modules-4.4.0-119-generic N/A
linux-firmware 1.173
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-04-05 (0 days ago)
cpu_cores: Number of cores present = 1
cpu_coreson: Number of cores online = 1
cpu_smt: Error: command ['ppc64_cpu', '--smt'] failed with exit code 255:
Machine is not SMT capable
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