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

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Hi Larry,

On 18.01.2016 02:03, Larry Finger wrote:
> On 01/17/2016 04:07 PM, Mateusz Kulikowski wrote:
[...]
>> 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.
> 
> Did you see lots of messages regarding the TX rings in the dmesg 
> output? If so, those are errors.

Nope, It was pretty silent (just EAPOL notifications), but I tested 
that on old (distro) kernel.

More error messages on recent kernels may be my fault, as during 
driver cleanups, I converted a lot of RT_TRACE messages to (mostly) 
debug printks that should never get into log.

In some places though I upgraded it to a higher log level - 
in places where error condition was "obvious", perhaps in one or two 
such places we can downgrade message back to dbg level to avoid 
syslog spamming.

For example this message will appear only on more recent kernels:
No more TX desc@7, ring->idx = 12, idx = 12, skblen = 0x18 queuelen=64


Like I said - I'll try to play with most recent kernel 
later this week (probably during weekend) and hopefully will 
figure something out.


Regards,
Mateusz
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