Public bug reported:
Binary package hint: compiz
System lags (to a point where it is not usable) after resuming from a suspend
to RAM.
The lagging is due to extremely high hard-drive activity.
System:
Thinkpad T60 with ATI Radeon X1400
Ubuntu 7.10 (Kernel 2.6.24-4-generic)
Catalyst 8.01 video drivers (fglrx)
Compiz Fusion package v. 1:0.6.2+git20071119-0ubuntu1~gutsy1
To replicate the problem, the computer must be suspended when RAM use is above
~60%.
Then, upon resume there is mad harddrive activity, but almost no CPU usage and
nothing
strange with memory usage. The system is extremely slow. I don't know which
process is
accessing the harddrive so much (how do you check this?).
Running
sudo swapoff -a
sudo swapon -a
fixes the lagging and brings the system back to normal (but this takes a long
time).
If suspend was done when the RAM usage was low, system is normal after
resume.
The problem does not exist in Metacity -- hence the bug report in
Compiz.
Thank you!
** Affects: compiz (Ubuntu)
Importance: Undecided
Status: New
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System lags after resume due to high hard drive activity
https://bugs.launchpad.net/bugs/190585
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