Date: Thu, 20 Dec 2007 14:12:31 -0800 From: "Jack Vogel" <jfvogel@gmail.com> To: JoaoBR <joao@matik.com.br> Cc: current@freebsd.org Subject: Re: em drv troubles Message-ID: <2a41acea0712201412v5dd81917oedf2c9274d859efa@mail.gmail.com> In-Reply-To: <200712200901.03963.joao@matik.com.br> References: <200712200901.03963.joao@matik.com.br>
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On Dec 20, 2007 3:01 AM, JoaoBR <joao@matik.com.br> wrote: > > I believe the em man page needs a revision, the tunable sections referres to > hw.em. and should be dev.em. > > hw.em.tx_int.delay defaults to 64 according to the man page but my server show > 66 as for other values too: > > dev.em.1.tx_int_delay: 66 > dev.em.1.rx_abs_int_delay: 66 > dev.em.1.tx_abs_int_delay: 66 > > what is correct and how much does it matter? Yes, the man page is way out of date, I will try and get our docs group to make up something soon. > > I get sporadic freezes, sometimes after an hour and sometimes after some days > of uptime, with no log and rare times a panic which then point to em in the > kernel but can not get a core dump, seems the machine freezes before the > panic msg ends > > I run amd64 with opterons and tyan MBs, to check if this has something to do I > could repeat the problem on AM2 X2 MB with Sata disk but same nics and low > traffic (1-2MB/s). > > somebody has an idea here? Build in the debugger and see if you can get a stack trace at least? On vacation a couple weeks, I'll still be lurking but trying to relax :) Jack
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