*** This bug is a duplicate of bug 1866149 ***
https://bugs.launchpad.net/bugs/1866149
** This bug has been marked a duplicate of bug 1866149
CONFIG_BASE_SMALL=1 restricts pid space, which conflicts with systemd
default sysctl
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I issued the same bug.
Creating the file /etc/sysctl.d/90-override.conf with the input kernel.pid_max
= 32768 solved the issue for me.
Thanks for the advice!
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Josh, did your suggestion above resolve this?
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https://bugs.launchpad.net/bugs/1888001
Title:
Focal minimal cloud image: failed to apply kernel variables
To manage notifications about
Thanks for the analysis! systemd appears to set this value in:
./sysctl.d/50-pid-max.conf:kernel.pid_max = 4194304
One possible solution is we could override this in our minimal images
only by setting the value to the lower value in
/etc/sysctl.d/90-override.conf
** Also affects: cloud-images
This is because CONFIG_BASE_SMALL is set to 1 in the kvm kernels. When
CONFIG_BASE_SMALL=1, the maximum number of PIDs is (PAGE_SIZE * 8),
which comes out to (4096 * 8) = 32768 on amd64. When CONFIG_BASE_SMALL=0
(like in normal kernels), the maximum number of PIDs for amd64 is (4 *
1024 * 1024) = 4
Similar to bug 1888000, it appears this failure has also always been
present. I verified this against the focal 20200423 (oldest release with
5.4.0-1009-kvm) and 20200703 (newest release with 5.4.0-1018-kvm)
serials.
While this is no longer blocking image publication, is this something
that could
Apport info was collected and attached... moving to confirmed.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1888001
Title:
Foca