http://bugzilla.kernel.org/show_bug.cgi?id=7813
Summary: HP Compaq nc6320 + Others give incorrect CPU Scaling +
slow bootup if shutdown with psmouse loaded
Kernel Version: Linux version 2.6.17 (Ubuntu 2.6.17-10.34-generic)
Status: NEW
Severity: normal
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did *NOT* occur:
Unknown
Distribution:
Ubuntu
Hardware Environment:
HP Compaq nc6320
Software Environment:
Any
Problem Description:
After a shutdown or reboot in linux with psmouse loaded, the system is very slow
to boot, and when booted does not present the second SSDT table needed for CPU
frequency scaling.
Rebooting (Urgh...) Windows, executing "rmmod psmouse" before reboot or shutdown
, or unplugging the battery for a minute or so, gives a nice quick bootup and
proper CPU scaling on the next boot.
Steps to reproduce:
Shutdown linux with psmouse loaded, reboot.
Probably unrelated, but when booting the laptop on Battery, the laptop often
reports:
BUG: soft lockup detected on CPU#0
Most reliable cure is plugging in the AC. I will file a separate bug if someone
can suggest a category for it.
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