Re: [E1000-devel] "e1000_clean_tx_irq: Detected Tx Unit Hang" errors only on pppoe connect

[Kok, A. <auk...@in...>]

snowcrash+e1000 wrote:
> hi auke,
> 
>>  >       options e1000 debug=16 XsumRX=0 Speed=1000 Duplex=2
>>  > InterruptThrottleRate=0 FlowControl=3 RxDescriptors=4096
>>  > TxDescriptors=4096 RxIntDelay=0 TxIntDelay=0
>>
>>  those are all a bit unneeded and I would suggest removing all of these options.
>>  Note that you are explicitly forcing speed/duplex here which is not recommended,
>>  and may be wrong depending on the link partner configuration.
>>
>>  Try (1) with no options or (2) with only TSO disabled: `ethtool -K eth0 tso off`
> 
> just to add, digging further, i found this:
> 
> 	http://sourceforge.net/tracker/index.php?func=detail&aid=1463045&group_id=42302&atid=447449
> 
> 	"...
> 	
> 	The only difference is with the new driver, the system can
> 	survive the issue.
> 	
> 	And if i disable the tso, the driver becomes stable!
> 	(I am not so sure, need more testing...)

unrelated. that post is due to a known issue for which a definite fix is available
(eeprom bit fix). it also applies only to 82573 devices and the issue can be
easily recognized by looking at the eeprom dump.

so alas, it has nothing to do with your 82541 issue :)


Auke