Public bug reported:
With the proposed Disco kernel (5.0.0-38)
I can't reboot the s390x LPAR node s2lp4
When I tried to reboot the system it will render the system into a "Not
operating" status.
I tried to watch the output from the Integrated ASCII console and the
Operating system messages from IBM Hardware Management Console. But
there is nothing interesting there
>From Operating System Messages, it ends at:
[ OK ] Reached target Final Step.
[ OK ] Started Reboot.
[ OK ] Reached target Reboot.
And never proceed from this point. And HMC shows "Not operating"
>From Integrated ASCII console it just shows the login prompt, never
prints any other message.
Reboot works fine with older kernel (5.0.0-37)
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: linux-image-5.0.0-38-generic 5.0.0-38.41
ProcVersionSignature: Ubuntu 5.0.0-38.41-generic 5.0.21
Uname: Linux 5.0.0-38-generic s390x
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2:
ls: cannot access '/dev/snd/': No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.10-0ubuntu27.4
Architecture: s390x
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
Date: Thu Dec 5 06:46:12 2019
HibernationDevice: RESUME=UUID=eae923f9-f5a4-41c0-b3e4-04786207dbaa
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:
ProcFB:
ProcKernelCmdLine: root=UUID=1a6af794-84a9-4034-a213-39506b9bb91c
crashkernel=196M BOOT_IMAGE=0
RelatedPackageVersions:
linux-restricted-modules-5.0.0-38-generic N/A
linux-backports-modules-5.0.0-38-generic N/A
linux-firmware 1.178.6
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug disco package-from-proposed s390x
** Attachment added: "reboot.log"
https://bugs.launchpad.net/bugs/1855237/+attachment/5309952/+files/reboot.log
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https://bugs.launchpad.net/bugs/1855237
Title:
Unable to reboot Disco on Ubuntu LPAR s390x (5.0.0-38)
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