Public bug reported:
[Impact]
On ppc64el, makedumpfile won't create compressed dumps, causing them to be very
large. This affects any kernel later than 4.19 actually.
[Test case]
Crash a system with kdump-tools installed and enabled, by using the following
sequence. Verify the created dumps are compressed by using file. This is the
same test as the autopkgtest for makedumpfile.
echo 1 | sudo tee /proc/sys/kernel/sysrq
echo c | sudo tee /proc/sysrq-trigger
[Regression potential]
This is a small fix and should only impact ppc64el. Older kernels should still
work, and should be tested.
** Affects: makedumpfile (Ubuntu)
Importance: Undecided
Status: In Progress
** Affects: makedumpfile (Ubuntu Bionic)
Importance: Undecided
Status: In Progress
** Affects: makedumpfile (Ubuntu Disco)
Importance: Undecided
Status: In Progress
** Also affects: makedumpfile (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: makedumpfile (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: makedumpfile (Ubuntu)
Status: New => In Progress
** Changed in: makedumpfile (Ubuntu Disco)
Status: New => In Progress
** Changed in: makedumpfile (Ubuntu Bionic)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1841288
Title:
does not create compressed dump on 5.0 or later kernels
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