Date: Thu, 8 Apr 2010 11:36:05 -0700 From: Jack Vogel <jfvogel@gmail.com> To: Mike Tancsa <mike@sentex.net> Cc: pyunyh@gmail.com, freebsd-stable@freebsd.org Subject: Re: em driver regression Message-ID: <k2o2a41acea1004081136gbcb0a57bw27678cbf742cbb6f@mail.gmail.com> In-Reply-To: <201004081831.o38IVR3s043434@lava.sentex.ca> References: <201004081313.o38DD4JM041821@lava.sentex.ca> <7.1.0.9.0.20100408091756.10652be0@sentex.net> <201004081446.o38EkU7h042296@lava.sentex.ca> <20100408181741.GI5734@michelle.cdnetworks.com> <201004081831.o38IVR3s043434@lava.sentex.ca>
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Bigger question is will it fix Brandon's VirtualBox issue?? Jack On Thu, Apr 8, 2010 at 11:31 AM, Mike Tancsa <mike@sentex.net> wrote: > At 02:17 PM 4/8/2010, Pyun YongHyeon wrote: > > Try this patch. It should fix the issue. It seems Jack forgot to >> strip CRC bytes as old em(4) didn't strip it, probably to >> workaround silicon bug of old em(4) controllers. >> > > Thanks! The attached patch does indeed fix the dhclient issue. > > > > It seems there are also TX issues here. The system load is too high >> and sometimes system is not responsive while TX is in progress. >> Because I initiated TCP bulk transfers, TSO should reduce CPU load >> a lot but it didn't so I guess it could also be related watchdog >> timeouts you've seen. I'll see what can be done. >> > > Thanks for looking into that as well!! > > > ---Mike > > > > > -------------------------------------------------------------------- > Mike Tancsa, tel +1 519 651 3400 > Sentex Communications, mike@sentex.net > Providing Internet since 1994 www.sentex.net > Cambridge, Ontario Canada www.sentex.net/mike > >
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