PowerVM: ubuntu-14.04 stuck in ibm,client-architecture-support reboot loop
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
grub2 (Ubuntu) |
Fix Released
|
Medium
|
Unassigned | ||
Trusty |
Fix Released
|
Medium
|
Mathieu Trudel-Lapierre | ||
grub2-signed (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Trusty |
Fix Released
|
Undecided
|
Adam Conrad |
Bug Description
---Problem Description---
This bug is a follow-up of Bug#110009. The problem here is after successful installation of Ubuntu 14.04, the system fails to boot the OS. When I select installed OS "Ubuntu" from grub menu, it throws below error and falls back to GRUB menu again and again:
.......
.......
OF stdout device is: /vdevice/
Preparing to boot Linux version 3.13.0-24-generic (buildd@fisher04) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #46-Ubuntu SMP Thu Apr 10 19:09:21 UTC 2014 (Ubuntu 3.13.0-
Detected machine type: 0000000000000101
Max number of cores passed to firmware: 256 (NR_CPUS = 2048)
Calling ibm,client-
ibm,sp /vdevice/
\
ibm,sp /vdevice/
\
Elapsed time since release of system processors: 10675 mins 3 secs
error: no suitable video mode found.
Machine Type = IBM,8286-42A Mach serial number: 1069B3T
---Steps to Reproduce---
1) Try virtual DVD installation
2) Boot the LPAR via cdrom
i.e try below commands from openfirmware prompt:
0> devalias cdrom /vdevice/
0> boot cdrom
3) proceed with default installation, 100% installation completes. Boot the installed OS from hard disk and you hit this "no suitable video mode found" error and system falls back to GRUB.
Install method: virtual DVD
Install ISO Information: ubuntu-
*Additional Instructions for backup: <email address hidden>:
-Post a private note with access information to the machine that the bug is occuring on.
== Comment: #1 - David Heller <email address hidden> - 2014-06-11 15:32:48 ==
This seems to be a pretty common problem, albeit with multiple causes. I see that you already tried some of the workarounds in similar bug here:
https:/
Still, it seems likely this is due to the video mode that grub is attempting to user for the splash screen. Either that, or it's a video driver issue at the grub level.
Can you please try the procedure in comment #4 here:
http://
This involves booting to an alternate method, such as a live cd, and operating on the grub config files in the newly installed system. If you are unable to, or have no success with updating the files, it would at least be good to collect the files and attach the information here, before sending this back to launchpad
If you are successful in booting to live CD on the same system where the boot fails, it would be good to compare the files from live CD to those in the failing system.
Also, do you mind installing with Ubuntu 14.10 alpha images?
http://
tags: | added: inin1404 ppc64el |
summary: |
- PowerVM: ubuntu-14.04 fails to boot after post installation (error: no - suitable video mode found) + PowerVM: ubuntu-14.04 stuck in ibm,client-architecture-support reboot + loop |
tags: |
added: architecture-ppc64le removed: architecture-other |
tags: | added: targetmilestone-inin1404 |
affects: | ubuntu → linux (Ubuntu) |
Changed in linux (Ubuntu): | |
importance: | Undecided → Medium |
tags: | added: kernel-da-key trusty |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
affects: | linux (Ubuntu) → grub2 (Ubuntu) |
Changed in grub2 (Ubuntu): | |
status: | Confirmed → Fix Committed |
Changed in grub2 (Ubuntu Trusty): | |
assignee: | nobody → Adam Conrad (adconrad) |
Changed in grub2 (Ubuntu Trusty): | |
assignee: | Adam Conrad (adconrad) → Mathieu Trudel-Lapierre (mathieu-tl) |
status: | New → In Progress |
importance: | Undecided → Medium |
Changed in grub2-signed (Ubuntu): | |
status: | New → Fix Released |
Changed in grub2-signed (Ubuntu Trusty): | |
assignee: | nobody → Adam Conrad (adconrad) |
Changed in grub2-signed (Ubuntu Trusty): | |
status: | New → Fix Committed |
------- Comment From <email address hidden> 2014-06-26 17:44 EDT-------
The message "error: no suitable video mode found." is not really an error, it's just GRUB saying that it didn't found any display card and will run in text mode. I almost sure that this is not the cause.
For me, the real culprit is the "IBM client architecture reboot" support. Here, the last message before the reboot is "Calling ibm,client- architecture- support. ..".
Linux kernel calls the method and for some reason it keeps rebooting over and over.