I was able to remove the nvidia card from my desktop and check again.
Removing the nvidia card and enabling the integrated graphics resulted
in my machine reaching pc6. So I'll leave this as expired for the time
being.
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1581236
@Greg
Our Haswell servers aren't seeing this, but one of my desktops is.
By chance do you happen to have an nvidia card in that machine? I've
been meaning to rip it out of my desktop and try again, but I haven't
found the time.
Also please run apport-collect and upload the logs to this case.
** Tags added: needs-apport-collect
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https://bugs.launchpad.net/bugs/1581236
Title:
Power state does not drop lower than pc03 for package (Haswell
i7-4500U)
To manage notifications
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6
