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Bug#697501: AR9285: ASPM problem?



On Mon, 2014-02-10 at 14:44 +0400, программист некто wrote:
> Comrades, please look here.
> I think that this may be problem with ASPM (kernel 3.13-1~exp1).
> 
> [    0.073575] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
> [    0.073815] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug PME AER PCIeCapability]
> [    0.073820] acpi PNP0A08:00: _OSC: not requesting control; platform does not support [PCIeCapability]
> [    0.073826] acpi PNP0A08:00: _OSC: OS requested [PCIeHotplug PME AER PCIeCapability]
> [    0.073831] acpi PNP0A08:00: _OSC: platform willing to grant []
> [    0.073836] acpi PNP0A08:00: _OSC failed (AE_SUPPORT); disabling ASPM
> [    1.321091] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
> [   14.705754] ath: phy0: ASPM enabled: 0x42
> 
> Assignment of various values for 'pcie_aspm' in boot options doesn't give any effect. ASPM on AR9285 always enabled.
> How I can disable ASPM for Atheros card?

I believe pcie_aspm=off will disable it, even if the BIOS says we whould
not control ASPM.

Ben.

> P.S. System also freeze on kernel linux-image-3.13-trunk-686-pae (3.13-1~exp1) and linux-image-3.2.0-4-486 (3.2.51-1).

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus

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