hi,

Hm. You're hibernating? That may explain why the thing is return
0xdeadc0de during register reads. Maybe the MAC isn't fully waking up
after a resume?


-a


On 21 May 2014 08:10, Arkh4mKn1ght <arkh4mkn1...@gmail.com> wrote:
> Hi rajkumar
>
> I dont know if this only happens when resuming from hibernate, it was just a
> thought that ocurred to me today. I will test again without hibernating to
> see if this happens again.
> I dont use any firewall on the laptop, so iptables -F is pointless.
> Ping latency times are good when the problem is ongoing.
> I will take a sniffer capture and send it back to you.
>
> Thanks for your help
>
> Oskar
>
>
> On 05/21/2014 11:59 AM, Rajkumar Manoharan wrote:
>>
>> On Wed, May 21, 2014 at 11:37:36AM -0300, Arkh4mKn1ght wrote:
>>>
>>> Ok i tried the patch but the issue happened again :(
>>>
>>> After resuming my laptop from hibernation i saw in
>>> /var/log/kernel/errors.log these messages again:
>>>
>>> May 21 09:20:10 localhost kernel: mei_me 0000:00:16.0: suspend
>>> May 21 09:20:10 localhost kernel: ath: phy1: RX failed to go idle in 10
>>> ms
>>> RXSM=0xdeadbeef
>>> May 21 09:20:10 localhost kernel: ath: phy1: DMA failed to stop in 10 ms
>>> AR_CR=0xdeadbeef AR_DIAG_SW=0xdeadbeef DMADBG_7=0xdeadbeef
>>> May 21 09:20:11 localhost kernel: dpm_run_callback():
>>> usb_dev_restore+0x0/0x20 [usbcore] returns -107
>>> May 21 09:20:11 localhost kernel: PM: Device 1-1 failed to restore async:
>>> error -107
>>>
>>> ASPM was disabled on root complex and atheros card.powersave was off.
>>> After 1 hour and 10 minutes of those messages that problem arise. I have
>>> noticed that the problem arises always after some time of resuming the
>>> laptop from hibernation.
>>>
>>> Its really odd, because when it does happen, browsing the web is
>>> painfully
>>> slow with the "connecting to domain.com..." message in the browser status
>>> bar... it does load the website but after some minutes..
>>> Meanwhile at the same time if i try to download a torrent using a
>>> bittorrent
>>> client i can do it without problems at full speed. If i pause the
>>> torrent,
>>> browsing websites still behaves slowly until i reboot the laptop.
>>>
>>> At first i thought that i have a defective atheros card, but why i can
>>> download torrents at full speed when this problem arises?
>>> What options do i have now? i have tested all combinations of ASPM
>>> enabled/disabled and powersave on/off.
>>>
>>> I have seen that there is a BIOS update for my laptop, but im unsure it
>>> could help for this at all (besides that i would have to install windows
>>> 8
>>> to install the friggin bios update)
>>>
>> Oskar,
>>
>> I am quite confused. Does the issue happen only after resume from
>> hibernate?
>> Initially you havn't mentioned hibernate/resume. Are you able to
>> reproduce the issue without hibernating? Please flush ip table entries
>> and test.
>>
>> sudo iptables -F
>>
>> Can you please take a sniffer capture at the problematic time? Are you
>> seeing huge
>> latency for ping (icmp)?
>>
>> -Rajkumar
>>
>
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