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Date:      Thu, 20 Dec 2007 09:01:03 -0200
From:      JoaoBR <joao@matik.com.br>
To:        current@freebsd.org
Subject:   em drv troubles
Message-ID:  <200712200901.03963.joao@matik.com.br>

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I believe the em man page needs a revision, the tunable sections referres t=
o=20
hw.em. and should be dev.em.=20

hw.em.tx_int.delay defaults to 64 according to the man page but my server s=
how=20
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?


I get sporadic freezes, sometimes after an hour and sometimes after some da=
ys=20
of uptime,  with no log and rare times a panic which then point to em in th=
e=20
kernel but can not get a core dump, seems the machine freezes before the=20
panic msg ends

I run amd64 with opterons and tyan MBs, to check if this has something to d=
o I=20
could repeat the problem on AM2 X2 MB with Sata disk but same nics and low=
=20
traffic (1-2MB/s).

somebody has an idea here?

=2D-=20

Jo=E3o







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