On 26 March 2011 16:54, Ben Hutchings
<ben@decadent.org.uk> wrote:
On Thu, 2011-03-24 at 15:17 +0000, Mark King wrote:
> Package: linux-2.6
> Version: 2.6.32-31
> Severity: important
>
> On boot, thermal trip points are set to the following:
> cat /proc/acpi/thermal_zone/TZ1/trip_points
> critical (S5): 105 C
> passive: 16 C: tc1=1 tc2=2 tsp=100 devices=CPU0 CPU1
> active[0]: 16 C: devices=C39B
> active[1]: 16 C: devices=C39C
> active[2]: 16 C: devices=C39D
> active[3]: 16 C: devices=C39E
>
> This causes the CPU to constantly clock down to 800MHz, making the
> system unusably slow. I have encountered this problem
> in previous kernels until 2 or 3 years ago, at which point it was
> fixed (I believe by adding this laptop model to some
> sort of ACPI black list). Recent upgrade re-introduced the bug.
[...]
Upgrade from which version?
Ben.
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.