[ath9k-devel] Weird Atheros 9485 http connecting problems

[Rajkumar Manoharan <rmanohar@qti.qualcomm.com>]

On Sun, May 18, 2014 at 09:29:08PM -0300, Arkh4mKn1ght wrote:
> Hi
> 
> I'm still testing but the issue reappeared again with the ASPM disabled on
> the card. This ocurred after starting the computer from hibernation and as i
> mentioned before ASPM was disabled only on the card and not on the root
> complex. I found these messages on the log:
> 
> May 18 10:42:56 localhost kernel: mei_me 0000:00:16.0: suspend
> May 18 10:42:57 localhost kernel: ath: phy0: RX failed to go idle in 10 ms
> RXSM=0xdeadbeef
> May 18 10:42:57 localhost kernel: ath: phy0: DMA failed to stop in 10 ms
> AR_CR=0xdeadbeef AR_DIAG_SW=0xdeadbeef DMADBG_7=0xdeadbeef
> 
> After rebooting the computer everything worked fine again.
> 
> Now i have disabled ASPM on both the root complex and the atheros card so
> i'm still testing to see if the issue happens again. until now (7+ hours
> everything is fine).
> I will let you know if the issue reappears after these changes
> 
Oskar,

Generally the boot argument pcie_aspm=off disables ASPM in both root
complex and device. Im not sure why it is not working in your m/c. I
think there could be some option in BIOS to disable PCI powersave.
Please check that.

Can you please test with attached patch?

-Rajkumar
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