Re: Fwd: 8192 WiFi Realtek 8192E disconnects after a while and fails to reconnect

[Mateusz Kulikowski <mateusz.kulikowski@gmail.com>]

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Hi Gilbert,

Small update from my side - It took me a while to setup x86_64 machine, 
but today was finally able to do test.


My result are the same as Larry:
I got my board running for ~4 hours and there was no disconnect.
For part of the time I was doing (some) activity, for around hour machine 
was idle.

I also did suspend-resume cycle.

System: Ubuntu 15.04 (from usb stick), kernel 3.19.0-15-generic, x86_64
Machine: MSI AM1I, Sempron 2650, 
PCIe to mini-pcie "wifi" bridge (with antenna connector and proper RFKILL 
wiring).


Are you able to do more troubleshooting?

Perhaps try different AP/Channel/mode, (dis)connect power cable from laptop etc.

I'll try to make another reproduction attempt, as without being able 
to reproduce it I will probably not be able to fix it.

Best Regards,
Mateusz


On 07.01.2016 23:05, Mateusz Kulikowski wrote:
[...]
> I've didn't catched it as my test setup uses old 32-bit netbook, 
> but will try to reproduce it during weekend on mini-pcie to pcie converter.
> 
> Mateusz
> 
> On 07.01.2016 21:34, Gilbert Dion wrote:
>> A few minutes after booting, the Wi-Fi disconnects and it fails to
>> reconnect until I restart the machine.
> 
>> [2] Full description of the problem/report
>> I start the machine, a Samsung R580 laptop and the Wi-Fi connects.
>> Then, after 5 or 10 minutes, while the Wi-Fi still appears to be
>> connected, I can no longer load web pages. Then, a few minutes later,
>> the Wi-Fi is disconnected. I tried some iconfig commands to try to
>> reconnect it, but it does not work.
>> It is crucial to notice that this happens only in 64 bit kernels. I
>> tested 3.13 to the latest upstream. The machine running a 32 bit
>> kernel stays connected forever.
> 
>> [3] keywords
> 
> 
>> [4] Linux version 4.4.0-040400rc8-generic (kernel@gloin) (gcc version
>> 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201601051225 SMP Tue Jan 5
>> 17:27:39 UTC 2016
> 
>> [5] Output of Ooops... message
>> Not applicable
> 
>> [6] ] A small shell script or example program which triggers the problem
>> Not applicable
> 
>> [7.] Environment
>> Description: Ubuntu 15.10
>> Release: 15.10
> 
>> [7.1] Software
>> If some fields are empty or look unusual you may have an old version.
>> Compare to the current minimal requirements in Documentation/Changes.
> 
>> Linux Samsung-Laptop 4.4.0-040400rc8-generic #201601051225 SMP Tue Jan
>> 5 17:27:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
[...]
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