Intel Core Duo stuck at low speed without battery
Bug #75462 reported by
Guilherme Salgado
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Linux |
Fix Released
|
Medium
|
|||
| linux-source-2.6.17 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bug Description
Using ondemand governor, frequency scaling works as expected when the battery is
in the system, both with A/C plugged in or unplugged. When the bettery is
removed, if the CPU is busy, it keeps running at 1.66GHz,
/sys/devices/
the busy job quits, the CPU drops back to 1GHz and
/sys/devices/
and can no longer be increased. After reinserting the battery,
/sys/devices/
frequencies again.
| description: | updated |
| Changed in linux: | |
| status: | Unknown → Confirmed |
Revision history for this message
| Guilherme Salgado (salgado) wrote | #1 |
| Changed in linux-source-2.6.17: | |
| status: | Unconfirmed → Rejected |
| Changed in linux: | |
| status: | Confirmed → Rejected |
| Changed in linux: | |
| status: | Invalid → Fix Released |
| Changed in linux: | |
| importance: | Unknown → Medium |
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it's looking like this is a bug on some thinkpad's BIOSes