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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.mel.connect.com.au!news.mira.net.au!vic.news.telstra.net!act.news.telstra.net!psgrain!usenet.eel.ufl.edu!news-res.gsl.net!news.gsl.net!news.mathworks.com!fu-berlin.de!irz401!orion.sax.de!uriah.heep!news From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: problem with 3c590 Date: 21 Jul 1996 16:56:07 GMT Organization: Private BSD site, Dresden Lines: 35 Message-ID: <4stnf7$92@uriah.heep.sax.de> References: <4rf9u3$7vp@news.uit.no> <4rl1vb$u3@anorak.coverform.lan> <4rt0bd$4fl@uriah.heep.sax.de> <4s0hqt$a6@anorak.coverform.lan> <4s4n0a$721@phobos.candle.com> <uphgr71uas.fsf@sirius.sbl.cl.nec.co.jp> Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) NNTP-Posting-Host: localhost.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Newsreader: knews 0.9.6 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E nao@sbl.cl.nec.co.jp (Naoki Hamada) wrote: > >An alternative fix > >might be to check free FIFO space again, after requesting the transmit > >available interrupt, but I haven't bothered pursuing this. > > OK, I tried it. I have no 3C590, so I am not sure if it really works. > > J"org wrote: > >When it's hanging, it doesn't unwedge itself. Re-ifconfig'ing is the > >only way out. > > Because the watchdog always sleeps. I woke it up :-) Sorry, i've tried it, and it remains unreliable. :( When it works, it's rather fast, and it looks good for things like ftp. (Btw., without Mike's 0x8000 hack, i can see the effect of your watchdog code. It's terribly slow then, about one burst each 2 seconds.) However, it occasionally hangs for NFS. Sometimes it works, sometimes it simply times out. I cannot boot my diskless scratch box off the 3c590 in the server, while it works well off the 3c503. Guess i have to see to get the technical specs. D*mned, they require me to send'em a fax for this. I wonder why they've got a Web server... (they don't even bother to answer mail sent via their offered Web request form). -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)