** Changed in: linux (Ubuntu)
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) =>
Canonical Kernel Team (canonical-kernel-team)
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https://bugs.launchpad.net/bugs/1740131
Title:
kdump emits huge logs while copying dump
Status in The Ubuntu-power-systems project:
Triaged
Status in linux package in Ubuntu:
Triaged
Bug description:
--Problem Description---
kdump emits huge logs while copying dump. Full log of a single dump is
attached in the bug.
---uname output---
Linux ltcalpine-lp9 4.13.0-12-generic #13-Ubuntu SMP Fri Sep 22 20:52:52 UTC
2017 ppc64le ppc64le ppc64le GNU/Linux
Machine Type/Model = Power 8 pVM/8408-E8E
----Additional Info-----
# cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinux-4.13.0-12-generic
root=UUID=861097e8-43d3-4335-83d3-6db421e20564 ro
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
---Steps to Reproduce---
1. installed linux-crashdump and install debug kernel
2. edited the kdump-tools.cfg crashkernel cmdline to above
3. update-grub
4. reboot once
5. make sure kdump is enabled
6. echo 1 > /proc/sys/kernel/sysrq
7. echo "c" > /proc/sysrq-triggeer
Expected:
To print copy of dump only once in console.
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