Date: Sun, 11 Apr 2010 23:40:03 +0300 From: Mikolaj Golub <to.my.trociny@gmail.com> To: Brandon Gooch <jamesbrandongooch@gmail.com> Cc: pyunyh@gmail.com, Brandon Gooch <bgooch@se.edu>, freebsd-stable@freebsd.org, Jack Vogel <jfvogel@gmail.com> Subject: Re: em driver regression Message-ID: <86d3y54tb0.fsf@kopusha.onet> In-Reply-To: <r2w179b97fb1004081252k2c864293zb63bd44e200e7efe@mail.gmail.com> (Brandon Gooch's message of "Thu\, 8 Apr 2010 14\:52\:07 -0500") 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> <g2q2a41acea1004081122ndec4e6a1mbac3f0f7fa11cc9c@mail.gmail.com> <s2h2a41acea1004081127qac1d542dufcefbf5ec054e0ce@mail.gmail.com> <20100408183900.GJ5734@michelle.cdnetworks.com> <q2k2a41acea1004081217t24b14f5fi18801af5ca0a962@mail.gmail.com> <r2w179b97fb1004081252k2c864293zb63bd44e200e7efe@mail.gmail.com>
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Hi, On Thu, 8 Apr 2010 14:52:07 -0500 Brandon Gooch wrote: > On Thu, Apr 8, 2010 at 2:17 PM, Jack Vogel <jfvogel@gmail.com> wrote: >> Try the code I just checked in, it puts in the CRC stripping, but also >> tweaks the >> TX code, this may resolve the watchdogs. Let me know. >> >> Cheers, >> >> Jack >> > > Yes, this is indeed the fix for both the dhclient and VirtualBox issue > (at least with my setup). There appear to be no ill effects either. Today I have upgraded the kernel in my VirtualBox (3.1.51.r27187) to the latest current and have "em0: Watchdog timeout -- resetting" issue. My previous kernel was for Mar 12. Tracking the revision where the problem appeared I see that the issue is not observed for r203834 and starts to observe after r205869. Interestingly, if I enter ddb and then exit (sometimes I needed to do this twice) the errors stop and network starts working. -- Mikolaj Golub
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