Date: Sun, 7 Nov 2010 20:14:31 -0500 (EST) From: Rick Macklem <rmacklem@uoguelph.ca> To: pyunyh@gmail.com Cc: alc@freebsd.org, freebsd-current@freebsd.org Subject: Re: re(4) driver dropping packets when reading NFS files Message-ID: <74999496.222044.1289178871881.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <20101108002601.GC1279@michelle.cdnetworks.com>
next in thread | previous in thread | raw e-mail | index | archive | help
------=_Part_222043_2030575660.1289178871880 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit > > If that made difference, all other ethernet controllers would have > suffered from the similar issues. > Well, some commit done between June 7 and June 15 made a difference, but I have no idea what or why. Also, I had a report of very poor read rate from someone using a bge(4) interface, but I have no reason to believe it is because of the same issue. > > If you have some spare time please try attach one. I guess fast > ethernet controller has smaller FIFO size than that of GigE > controller so it is frequently triggered the issue on fast ethernet > controller than GigE controllers. I still guess that there are > cases that an interrupt is not correctly served such that driver > missed a lot of frames. > Patch didn't help. If anything it degrading things a bit (stats are attached). rick ------=_Part_222043_2030575660.1289178871880 Content-Type: text/plain; name=re.stats Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename=re.stats cmUwIHN0YXRpc3RpY3M6ClR4IGZyYW1lcyA6IDEwMjAwOQpSeCBmcmFtZXMgOiAxMzMzMTgKVHgg ZXJyb3JzIDogMApSeCBlcnJvcnMgOiAwClJ4IG1pc3NlZCBmcmFtZXMgOiAxNTI0NgpSeCBmcmFt ZSBhbGlnbm1lbnQgZXJycyA6IDAKVHggc2luZ2xlIGNvbGxpc2lvbnMgOiAwClR4IG11bHRpcGxl IGNvbGxpc2lvbnMgOiAwClJ4IHVuaWNhc3QgZnJhbWVzIDogMTMzMzA2ClJ4IGJyb2FkY2FzdCBm cmFtZXMgOiAwClJ4IG11bHRpY2FzdCBmcmFtZXMgOiAxMgpUeCBhYm9ydHMgOiAwClR4IHVuZGVy cnVucyA6IDAK ------=_Part_222043_2030575660.1289178871880--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?74999496.222044.1289178871881.JavaMail.root>