Default Comment by Bridge
** Attachment added: "Console log"
https://bugs.launchpad.net/bugs/2105757/+attachment/5868636/+files/KDump_Console_Logs.txt
** Changed in: ubuntu
Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage
(ubuntu-power-triage)
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/2105757
Title:
[Ubuntu25.04] Unusual messages were seen on the console while trying
KDump and FADump
Status in linux package in Ubuntu:
New
Bug description:
== Comment: #0 - Kowshik Jois B S <[email protected]> - 2025-03-05
03:05:04 ==
---Problem Description---
Though dump is getting captured with both KDump and FADump, below messages
were seen on the console when a crash is triggered with sysrq in both the cases.
[ 11.181036] kdump-tools[1021]: Starting kdump-tools:
[ 11.182311] kdump-tools[1035]: * running makedumpfile --dump-dmesg
/proc/vmcore /var/crash/202503031545/dmesg.202503031545
[ 11.182477] kdump-tools[1061]: The kernel version is not supported.
[ 11.182554] kdump-tools[1061]: The makedumpfile operation may be
incomplete.
[ 11.182628] kdump-tools[1061]: The dmesg log is saved to
/var/crash/202503031545/dmesg.202503031545.
[ 11.182701] kdump-tools[1061]: makedumpfile Completed.
[ 11.182774] kdump-tools[1035]: * kdump-tools: saved dmesg content in
/var/crash/202503031545
[ 11.182846] kdump-tools[1035]: * running makedumpfile -F -c -d 31
/proc/vmcore | compress > /var/crash/202503031545/dump-incomplete
[ 11.184265] kdump-tools[1066]: The kernel version is not supported.
[ 11.184365] kdump-tools[1066]: The makedumpfile operation may be
incomplete.
[ OK ] Listening on systemd-rfkill.socket?ll Switch Status /dev/rfkill
Watch.
Copying data : [100.0 %] |
eta: 0s
[ 209.140954] kdump-tools[1066]: The dumpfile is saved to STDOUT.
[ 209.141479] kdump-tools[1066]: makedumpfile Completed.
[ 209.141993] kdump-tools[1035]: * kdump-tools: saved vmcore in
/var/crash/202503031545
[ 209.210370] kdump-tools[1102]: Mon, 03 Mar 2025 15:48:54 +0000
---Steps to Reproduce---
1. Install Ubuntu 25.04 on PowerVM LPAR
2. configure and trigger KDump / FADump
Contact Information = [email protected]
---uname output---
Linux ubuntu2504 6.12.0-16-generic #16-Ubuntu SMP Fri Feb 14 16:16:28 UTC
2025 ppc64le ppc64le ppc64le GNU/Linux
---Debugger---
A debugger is not configured
Machine Type = P10 Rainier
== Comment: #2 - Kowshik Jois B S <[email protected]> - 2025-03-06
09:32:05 ==
# cat /proc/cmdline
BOOT_IMAGE=/vmlinux-6.12.0-16-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv
ro crashkernel=2048M
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
# dmesg | grep Reser
[ 0.000000] Reserving 512MB of memory at 512MB for crashkernel (System
RAM: 25600MB)
# kdump-config status
current state : ready to kdump
# free -m
total used free shared buff/cache
available
Mem: 24976 1234 22951 25 1034
23741
Swap: 8191 0 8191
# cat /proc/cpuinfo | grep processor
processor : 0
processor : 1
processor : 2
processor : 3
processor : 4
processor : 5
processor : 6
processor : 7
processor : 8
processor : 9
processor : 10
processor : 11
processor : 12
processor : 13
processor : 14
processor : 15
# ppc64_cpu --info
Core 0: 0* 1* 2* 3* 4* 5* 6* 7*
Core 1: 8* 9* 10* 11* 12* 13* 14* 15*
# ppc64_cpu --smt
SMT=8
# cat /proc/sys/kernel/panic
10
# cat /proc/sys/kernel/panic_on_oops
1
# cat /sys/kernel/kexec_crash_loaded
1
# cat /sys/kernel/kexec_loaded
0
# makedumpfile -v
makedumpfile: version 1.7.6 (released on 23 Oct 2024)
lzo enabled
snappy disabled
zstd enabled
== Comment: #3 - Kowshik Jois B S <[email protected]> -
2025-03-06 09:36:18 ==
== Comment: #4 - Kowshik Jois B S <[email protected]> - 2025-03-06
09:37:25 ==
Complete console log at the time of kdump
== Comment: #5 - Sachin Sant <[email protected]> - 2025-03-06 22:40:42 ==
(In reply to comment #0)
> ---Problem Description---
> Though dump is getting captured with both KDump and FADump, below messages
> were seen on the console when a crash is triggered with sysrq in both the
> cases.
>
> [ 11.181036] kdump-tools[1021]: Starting kdump-tools:
> [ 11.182311] kdump-tools[1035]: * running makedumpfile --dump-dmesg
> /proc/vmcore /var/crash/202503031545/dmesg.202503031545
> [ 11.182477] kdump-tools[1061]: The kernel version is not supported.
> [ 11.182554] kdump-tools[1061]: The makedumpfile operation may be
> incomplete.
> [ 11.182628] kdump-tools[1061]: The dmesg log is saved to
> /var/crash/202503031545/dmesg.202503031545.
> [ 11.182701] kdump-tools[1061]: makedumpfile Completed.
> [ 11.182774] kdump-tools[1035]: * kdump-tools: saved dmesg content in
> /var/crash/202503031545
> [ 11.182846] kdump-tools[1035]: * running makedumpfile -F -c -d 31
> /proc/vmcore | compress > /var/crash/202503031545/dump-incomplete
> [ 11.184265] kdump-tools[1066]: The kernel version is not supported.
> [ 11.184365] kdump-tools[1066]: The makedumpfile operation may be
> incomplete.
> [ OK ] Listening on systemd-rfkill.socket?ll Switch Status /dev/rfkill
> Watch.
These messages are expected and are printed via makedumpfile. The
upstream makedumfile project is updated on regular basis to support
newer upstream kernel releases. Until then the above mentioned
messages are printed.
README file included with the makedumpfile source code captures the
kernel version it supports. Currently there is support till 6.11
kernel
[v1.7.6] Update version
Update makedumpfile to version 1.7.6.
This version supports the following new kernels:
- 6.9, 6.10, 6.11 (x86_64)
https://github.com/makedumpfile/makedumpfile/blob/master/README#L175
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