ACK: [Precise][PATCH 1/1] UBUNTU: SAUCE: pci: Rework ASPM disable code

Tim Gardner tim.gardner at
Tue Dec 6 13:37:37 UTC 2011

On 12/06/2011 02:51 AM, Colin Ian King wrote:
> On 06/12/11 07:17, Stefan Bader wrote:
>> On 05.12.2011 22:16, Tim Gardner wrote:
>>> Appears to have good test results. Certainly better then the last
>>> time ASPM was
>>> enabled by default.
>>> rtg
>> Did we have ASPM enabled by default? Or was that ALPM?
>> -Stefan
> I was under the impression it was Aggressive Link Power Management
> (ALPM) that was causing some users
> grief. ALPM is where the SATA AHCI controller puts the SATA link to the
> disk into a very low power mode when there's no IO for awhile, if this
> mechanism is broken I suspect users may see their data being eaten.
> Colin

I think it was ASPM that caused random problems with some wireless 
adapters, primarily ath9k IIRC.

Tim Gardner tim.gardner at

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