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Message #125116
[Bug 1469054] [NEW] Unsupported kernel warning while running makedumpfile
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---Steps to Reproduce---
1) Using latest daily ISO install 14.04.02 as a Power VM guest.
2) Upgrade the kernel to 3.19 level (3.19.0-18-generic)
3) Configure kdump. A fix is required to configure kdump. Refer to defect (https://bugzilla.linux.ibm.com/show_bug.cgi?id=125712)
4) Trigger a dump. Dump is captured successfully.
During collection of dump following warning is shown on the screen. It
would be good to fix this warning.
Starting kdump-tools: * running makedumpfile -c -d 31 /proc/vmcore /var/crash/201506040624/dump-incomplete
The kernel version is not supported. <<================
The created dumpfile may be incomplete.
Copying data : [100.0 %] /
The dumpfile is saved to /var/crash/201506040624/dump-incomplete.
makedumpfile Completed.
* kdump-tools: saved vmcore in /var/crash/201506040624
* running makedumpfile --dump-dmesg /proc/vmcore /var/crash/201506040624/dmesg.201506040624
The kernel version is not supported. <<================
The created dumpfile may be incomplete.
The dmesg log is saved to /var/crash/201506040624/dmesg.201506040624.
makedumpfile Completed.
* kdump-tools: saved dmesg content in /var/crash/201506040624
== Comment: #1 - Hari Krishna Bathini <hbathini@xxxxxxxxxx> - 2015-06-04 15:05:41 ==
makedumpfile tool version, please?
== Comment: #2 - SACHIN P. SANT <ssant@xxxxxxxxxx> - 2015-06-05 01:30:23 ==
(In reply to comment #1)
> makedumpfile tool version, please?
makedumpfile -v
makedumpfile: version 1.5.5 (released on 18 Dec 2013)
== Comment: #6 - SACHIN P. SANT <ssant@xxxxxxxxxx> - 2015-06-24 06:25:13 ==
Externalizing comment :
Each makedumpfile version supports kernel versions ranging from OLDEST_VERSION
till LATEST_VERSION (defined as macros in makedumpfile.h).
For makedumpfile v1.5.5, the LATEST_VERSION version is defined as 3.11.3.
As the makedumpfile tool currently shipped with ubuntu is based on v1.5.5 and
as the kernel version is higher (v3.13/v3.16/v3.19), we see this warning.
We can deal with this in a couple of ways:
1. Suggest Canonical to spike the LATEST_VERSION macro to 3.19 reinforcing support for kernel version 3.19.
2. Suggest Canonical to use the latest makedumpfile version (1.5.8) that supports kernel version 3.19
Thanks
Hari
** Affects: makedumpfile (Ubuntu)
Importance: Undecided
Status: New
** Tags: architecture-ppc64le bot-comment bugnameltc-125881 severity-medium targetmilestone-inin---
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Unsupported kernel warning while running makedumpfile
https://bugs.launchpad.net/bugs/1469054
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