Date: Thu, 11 Oct 2007 00:55:09 -0400 From: Mike Tancsa <mike@sentex.net> To: "Jack Vogel" <jfvogel@gmail.com> Cc: FreeBSD Stable List <freebsd-stable@freebsd.org> Subject: Re: Heads UP - MFC for em coming shortly Message-ID: <200710110455.l9B4t9eb057595@lava.sentex.ca> In-Reply-To: <2a41acea0710081336n11a36303ta70efc94c6f2d236@mail.gmail.co m> References: <2a41acea0710051328hdc0e49fr829b5ea35c95a413@mail.gmail.com> <200710082009.l98K9mCs042466@lava.sentex.ca> <2a41acea0710081336n11a36303ta70efc94c6f2d236@mail.gmail.com>
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At 04:36 PM 10/8/2007, Jack Vogel wrote:
>On 10/8/07, Mike Tancsa <mike@sentex.net> wrote:
> > At 04:28 PM 10/5/2007, Jack Vogel wrote:
> > >I am preparing to update the em driver to the equivalent of my
> > >6.6.6 driver. Just doing some last minute sanity checking, I
> > >hope to the checkin before end of day.
> >
> > Hi,
> > thanks for fixing the compile issue, but I have another
> > possible problem. Do you know if there were any performance
> > regressions with this rev? On one firewall / router, I am seeing
> > dropped packets. The PPS rate is only about 30k which should not
> be that much
>
>So the missed packets are only showing up on em2?
>
>Uh, and that is a management-capable 82573, one that is often a
>problem without the eeprom patched, did you do that sometime in
>the past, I don't remember who did and who didnt :)
Hi,
I added the patch to the box in question. It would seem the NIC is
not impacted by this bug
em2: Excessive collisions = 0
em2: Sequence errors = 0
em2: Defer count = 0
em2: Missed Packets = 133
em2: Receive No Buffers = 41
em2: Receive Length Errors = 0
em2: Receive errors = 0
em2: Crc errors = 0
em2: Alignment errors = 0
em2: Collision/Carrier extension errors = 0
em2: RX overruns = 3
em2: watchdog timeouts = 0
em2: XON Rcvd = 0
em2: XON Xmtd = 0
em2: XOFF Rcvd = 0
em2: XOFF Xmtd = 0
em2: Good Packets Rcvd = 26550071
em2: Good Packets Xmtd = 14348973
em2: TSO Contexts Xmtd = 0
em2: TSO Contexts Failed = 0
Interface EEPROM Dump:
Offset
0x0000 1500 2917 ef6f 0b30 f746 3017 ffff ffff
0x0010 ffff ffff 226b 348d 8086 108c 8086 acdf
0x0020 402d 2040 7e04 0200 0000 00d8 0000 2700
0x0030 6cc9 3150 072e 040b 0984 0000 c000 0706
However, I am still seeing overruns on this interface at about 100Mb/s
em2: <Intel(R) PRO/1000 Network Connection Version - 6.6.6> port
0x2000-0x201f mem 0x88180000-0x8819ffff,0x88100000-0x8817ffff irq 17
at device 0.0 on pci5
em2: Ethernet address: 00:15:17:29:6f:ef
em2: [FAST]
em2@pci5:0:0: class=0x020000 card=0x348d8086 chip=0x108c8086
rev=0x03 hdr=0x00
vendor = 'Intel Corporation'
device = 'PRO/1000 PM'
class = network
subclass = ethernet
cap 01[c8] = powerspec 2 supports D0 D3 current D0
cap 05[d0] = MSI supports 1 message, 64 bit
cap 10[e0] = PCI-Express 1 endpoint
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