Laurent Bonnaud, thank you for reporting this and helping make Ubuntu better.
As per your
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1264346/+attachment/3936150/+files/BootDmesg.txt
:
[0.00] ACPI BIOS Warning (bug): 32/64X FACS address mismatch in FADT -
0xCABD4E40/0xC
** Description changed:
- On my laptop with this CPU:
-
- model name : Intel(R) Core(TM) i7-2640M CPU @ 2.80GHz
-
- I am using the ondemand governor:
-
- $ cat /sys/devices/system/cpu/c*/cpufreq/scaling_governor
+ After a suspend/resume using the ondemand governor the system is very slow
This bug is similar to bug #326149 but I preferred to report a new one because
this other bug:
- is closed
- concerns a very old kernel
- concerns a very different processor
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Running frequency_governors_test sheds some light on this bug because it
exposes this error:
ERROROn demand performance vs maximum of 380.0% is not within 10.0%
margin
# /usr/lib/checkbox/bin/frequency_governors_test
2013-12-26 18:15:54 INFO System Capabilites:
2013-12-26 18:15:54 INFO
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