Public bug reported:
The tmpfs mount is causing serious issues on Pi platforms with lower
memory sizes. In particular it's preventing creation of boot assets on
the half-gig platforms, but it also causes memory pressure issues on the
1GB platforms.
Generally speaking, tmpfs /tmp is probably a terrible idea on anything
with <8GB of RAM, so add a condition making tmp.mount conditional on
this (systemd 244 added ConditionMemory which should be sufficient).
Will also need a tmp.conf for systemd-tmpfiles to ensure the regular
/tmp directory actually gets cleaned. This probably *can't* be
conditional on RAM, but it's not going to harm any tmpfs /tmp users
(just cause a tiny amount of extra I/O cleaning files anyway).
This will need SRU'ing to resolute.
** Affects: ubuntu-raspi-settings (Ubuntu)
Importance: High
Assignee: Dave Jones (waveform)
Status: Triaged
** Affects: ubuntu-raspi-settings (Ubuntu Resolute)
Importance: Critical
Assignee: Dave Jones (waveform)
Status: Triaged
** Also affects: ubuntu-raspi-settings (Ubuntu Resolute)
Importance: Undecided
Status: New
** Changed in: ubuntu-raspi-settings (Ubuntu Resolute)
Assignee: (unassigned) => Dave Jones (waveform)
** Changed in: ubuntu-raspi-settings (Ubuntu)
Status: New => Triaged
** Changed in: ubuntu-raspi-settings (Ubuntu)
Assignee: (unassigned) => Dave Jones (waveform)
** Changed in: ubuntu-raspi-settings (Ubuntu)
Importance: Undecided => High
** Changed in: ubuntu-raspi-settings (Ubuntu Resolute)
Status: New => Triaged
** Changed in: ubuntu-raspi-settings (Ubuntu Resolute)
Importance: Undecided => Critical
** Changed in: ubuntu-raspi-settings (Ubuntu Resolute)
Milestone: None => ubuntu-26.04.1
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https://bugs.launchpad.net/bugs/2157975
Title:
Disable tmp.mount when RAM <8GB
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