This bug was fixed in the package systemd - 230-3git1
---
systemd (230-3git1) yakkety; urgency=medium
Upload current Debian packaging git to fix tests.
[ Martin Pitt ]
* tmp.mount: Add nosuid and nodev mount options. This restores compatibility
with the original SysV int
http://anonscm.debian.org/cgit/pkg-
systemd/systemd.git/commit/?id=2558ca88
** Changed in: systemd (Ubuntu)
Status: In Progress => Fix Committed
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@dino99: That's fine, the script has
AVAILABLE="/sys/devices/system/cpu/cpu$FIRSTCPU/cpufreq/scaling_available_governors"
[ -f $AVAILABLE ] || exit 0
thus it's a no-op for those cases.
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Closing the kernel task, as it's now obvious that we want to keep the
"performance" default there, and only do the "ondemand" thing for older
processors.
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: systemd (Ubuntu)
Status: Triaged => In Progress
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Note that with old cpu (Piv q9550) the cpufreq subdir does not exist (with or
without cpufreq* installed).
So checking that path will always fails.
ls /sys/devices/system/cpu/cpu0/
cache driver microcode subsystem uevent
crash_notes firmware_node node0
** Changed in: systemd (Ubuntu)
Assignee: (unassigned) => Martin Pitt (pitti)
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https://bugs.launchpad.net/bugs/1584124
Title:
revisit /etc/init.d/ondemand
To manage notifications
So it seems we should make the "ondemand" init script a no-op if
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver contains
"intel_pstate", since in this case "ondemand" is worse than
"performance"?
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Thanks Colin! So this confirms that we really should let the kernel be
in "performance" during boot. But from
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579278/comments/9
it actually sounds like we should leave it to "performance" all the time
at least for processors which are ≤ 5 years
Some data to take into consideration. I've tested 4 difference configs
(3 laptops, 1 server) of mixed Intel and AMD hardware, comparing the
default powersave/ondemand [1] vs performance
[1] depends on CPU and if intel-pstate is supported
For faster modern Intel CPUs where intel-pstate is
Holding the porting to a systemd unit until we have some updated
measurements and a decision whether we'll move to "performance" as
default or keep the current logic.
** Changed in: systemd (Ubuntu)
Milestone: ubuntu-16.05 => None
** Changed in: systemd (Ubuntu)
Assignee: Martin Pitt
Bug #1579278 to consider switching to "performamce" may be of relevance
here.
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https://bugs.launchpad.net/bugs/1584124
Title:
revisit /etc/init.d/ondemand
To manage notifications
** Changed in: systemd (Ubuntu)
Milestone: None => ubuntu-16.05
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https://bugs.launchpad.net/bugs/1584124
Title:
revisit /etc/init.d/ondemand
To manage notifications about this bug
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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https://bugs.launchpad.net/bugs/1584124
Title:
revisit /etc/init.d/ondemand
To manage
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