Re: ale driver on asus eeepc 901 could not disable Tx/Rx under traffic flow

From: Pyun YongHyeon <pyunyh_at_gmail.com>
Date: Wed, 3 Dec 2008 18:57:39 +0900
On Tue, Dec 02, 2008 at 10:22:37AM +0900, To Ole Vole wrote:
 > On Tue, Dec 02, 2008 at 01:02:04AM +0300, Ole Vole wrote:
 >  > Hello Maillist,
 >  > 
 >  > Im using FreeBSD-CURRENT (from 01122008 snap from cvs) and got looped notice 
 >  > in dmesg buffer when LAN Ethernet generate some traffic:
 >  > ..
 >  > ale0: could not disable Tx/Rx MAC(0x00000008)!
 >  > ale0: DMA read error! -- resetting
 >  > ..
 >  > ale0: could not disable Tx/Rx MAC(0x00000008)!
 >  > ..
 >  > with flapping interface (link going to down and back up). 
 >  > 
 > 
 > Hmm, there was similiar report but I couldn't reproduce this on
 > my box. In fact I'm out of idea why it happens. Since I have no
 > access to datasheet I'm not sure what can be done at the moment.
 > Even a developer in Atheros answered that changing mainboard would
 > be the first step to diagnose the issue. :-(
 > 
 >  > ifconfig ale0 -txcsum -rxcsum -tso and forcing link for media 10BaseT/UTP is 
 >  > in vain.
 >  > 
 > 
 > There are a couple of magic values related with PHY in Linux driver
 > which I didn't want to include as I don't understand what it does.
 > Do you use 10baseT media? Would you show me the output of
 > "ifconfig ale0"?
 > 
 >  > Under small traffic flow ale0 work is fine without errors. Somebody meet with 
 >  > like similar prombel on Asus eee pc 901 ? Thanks
 > 
 > 
 > Anyway, I'll let you know if I mange to find a clue to the issue.

FYI: Fix committed to HEAD(r185577).

-- 
Regards,
Pyun YongHyeon
Received on Wed Dec 03 2008 - 08:57:48 UTC

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