Date: Fri, 17 Sep 2004 23:41:40 +0200 From: "Raphael H. Becker" <rabe@p-i-n.com> To: freebsd-current@freebsd.org Subject: Re: de0 doze off Message-ID: <20040917234140.H55054@p-i-n.com> In-Reply-To: <Pine.NEB.3.96L.1040917144129.61165F-100000@fledge.watson.org>; from rwatson@freebsd.org on Fri, Sep 17, 2004 at 02:42:39PM -0400 References: <20040917203851.F55054@p-i-n.com> <Pine.NEB.3.96L.1040917144129.61165F-100000@fledge.watson.org>
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On Fri, Sep 17, 2004 at 02:42:39PM -0400, Robert Watson wrote: > > > Another possible testing avenue (which might be slightly unstable but > > > would illustrate the point) would be to leave debug.mpsafenet=1, done > > > disable preemption, done > > > and remove the IFF_NEEDSGIANT flag from the if_de driver flags. [snip: diff] done > Looks good. This may result in reduced stability, but it may also tell us > specifically if there's a problem with the IFF_NEEDSGIANT mechanism. two parallel wget saturate the link to an average of ~12MByte/sec (netstat 1) for some hours. seems to work perfect now, constant full speed. I transferred around 180 copies of the miniinst.iso and ran a md5 on lots of the file to detect xfer-errors, nothing failed, no more errors. HTH Raphael Becker
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