> On Wed, 7 Nov 2007 23:50:30 +0100 "Rafael J. Wysocki" <[EMAIL PROTECTED]> > wrote: > On Wednesday, 7 of November 2007, Heikki Orsila wrote: > > On Wed, Nov 07, 2007 at 11:46:21PM +0200, Heikki Orsila wrote: > > > After some bisecting, I found that net skge driver broke on > > > > > > commit 7fb7ac241162dc51ec0f7644d4a97b2855213c32
Thanks for doing the bisection. It's a good idea to cc the author of the offending patch after having done this. > > > My network card is: > > > > > > 0000:00:0e.0 Ethernet controller: 3Com Corporation 3c940 > > > 10/100/1000Base-T [Marvell] (rev 12) > > > > > > Linux cheradenine 2.6.24-rc1-dirty #15 Wed Nov 7 23:39:28 EET 2007 x86_64 > > > GNU/Linux > > > > Sorry, forgot to say what the problem is. Doing > > > > nc host port < /dev/zero > > > > on a sending machine (not skge) to an skge machine that is receiving: > > > > nc -l -p port >/dev/null > > > > with ~60 MiB/s speed, causes the interface go malfunct. A slow > > transfer doesn't cause a problem. > > > > Also, after some fiddling, I noticed that not changing the register > > write order on patch: > > > > + skge_write32(hw, RB_ADDR(q, RB_END), end); > > skge_write32(hw, RB_ADDR(q, RB_WP), start); > > skge_write32(hw, RB_ADDR(q, RB_RP), start); > > - skge_write32(hw, RB_ADDR(q, RB_END), end); > > > > fixes the visible effect.. Possibly not the root cause of the problem, > > but changing the order back fixes networking here. > > Please put all of the relevant information into the bugzilla entry at > http://bugzilla.kernel.org/show_bug.cgi?id=9321 Please cc netdev@vger.kernel.org on networking-related discussions. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
