Date: Sat, 20 Dec 2008 09:25:10 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: albri <galbrig@googlemail.com> Cc: freebsd-current@freebsd.org Subject: Re: Call for testers: Atheros AR8121(L1E)/AR8113/AR8114(L2E) ethernet Message-ID: <20081220002510.GC79449@cdnetworks.co.kr> In-Reply-To: <20081219151931.88F115C3E@mail.net.local> References: <46d45f030811160642m2dff1481g457f1fa1a4ac1372@mail.gmail.com> <20081117010558.GD50872@cdnetworks.co.kr> <46d45f030811171014i2ae5df78mbbebc367ef2ca7d4@mail.gmail.com> <20081124045846.GM78954@cdnetworks.co.kr> <20081203090540.GI9639@cdnetworks.co.kr> <20081219151931.88F115C3E@mail.net.local>
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On Fri, Dec 19, 2008 at 04:19:31PM +0100, albri wrote: > On Wed, Dec 03, 2008 at 06:05:40PM +0900, Pyun YongHyeon wrote: > > On Mon, Nov 24, 2008 at 01:58:46PM +0900, To albri wrote: > > > On Mon, Nov 17, 2008 at 07:14:12PM +0100, albri wrote: > > > > hello, > > > > > > > > On 11/17/08, Pyun YongHyeon <pyunyh@gmail.com> wrote: > > > > > On Sun, Nov 16, 2008 at 03:42:16PM +0100, albri wrote: > > > > > > hello, > > > > > > > > > > > > I have issues transfering big or many files over ethernet on 1000H, also. > > > > > > Using yongari's ale(4) driver > > > > > > http://people.freebsd.org/~yongari/ale/ale.20081114.tar.gz I did not > > > > > > have any problems while I surf or download 37MB sourcecode from inet. > > > > > > Then scp(1)'ing source from 1000H to desktop PC showed a transfer rate > > > > > > with maximum 86kB/s regardless to which direction is copied. The > > > > > > ethernet NIC, while copying, is switched off regularily then. No > > > > > > copies possible after three megabytes. > > > > > > > > > > Try turning off TSO and let me know how it goes. > > > > > ("#ifconfig ale0 -tso" will do the job.) > > > > > > > > > > > > > this helps a little bit with two effects. > > > > Copying source-tree with scp(1): > > > > Now I can see transfers with up to approx. 500kB/s - inaccurate > > > > measured with scp(1), > > > > but relation counts. > > > > Transfer stalles after different data volumes with DMA-error on tty0, > > > > but networking > > > > port is not turned off. This happens after 30-80MB data transfers. > > > > You can restart the whole copy at once again. > > > > > > > > Copying source-tree with nc(1) tar-gzipped: > > > > Transfer stops and starts with DMA-error every approx. 7MB with turning off NIC. > > > > > > I still can't reproduce this and I have no idea how to solve it > > > even if I can reproduce that on my box. :-( > > > There could be a wrong in DMA configuration or some mis-programmed > > > registers but I still see no errors in these area. > > > > > > > FYI: Fix committed to HEAD(r185577). > > > > -- > > Regards, > > Pyun YongHyeon > > hello, > > with a fresh csup(1) from 19th of December nc(1) is working without any > errors, now. Thanks for testing. > Thank you very much for your work. You're welcome. > BTW: Do you have any reading hints about developing FBSD drivers? > FreeBSD developers' handbook has valuable information for starters but it lacks how to write a network device driver. Personally I used to read other driver sources in tree and asked questions to other developers. -- Regards, Pyun YongHyeon
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