Date: Fri, 16 Apr 2010 20:07:38 +0200 From: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> To: Brandon Gooch <jamesbrandongooch@gmail.com> Cc: freebsd-stable@freebsd.org, Jack Vogel <jfvogel@gmail.com>, Jeremy Chadwick <freebsd@jdc.parodius.com>, John Baldwin <jhb@freebsd.org> Subject: em JumboFrame improovement and PCIe addon-card regression [Was: Re: em regression, UDP LOR followed by ssh stall] Message-ID: <4BC8A76A.6000107@omnilan.de> In-Reply-To: <u2s179b97fb1004160832u69175c8bi1c5a069cf872ef5b@mail.gmail.com> References: <4BC82B80.3070108@omnilan.de> <20100416092803.GA17526@icarus.home.lan> <4BC82FF7.1030700@omnilan.de> <201004160822.09359.jhb@freebsd.org> <p2i2a41acea1004160829i53efa312k3ebec61cc2d9d251@mail.gmail.com> <u2s179b97fb1004160832u69175c8bi1c5a069cf872ef5b@mail.gmail.com>
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Brandon Gooch schrieb am 16.04.2010 17:32 (localtime):
...
> Thanks Jack! Your work is very appreciated.
It's extremely appreciated!
I tried another semi-productive system and since that hadn't exposed any
peculiarity I also upgraded one not too important productive machine.
All have onboard 82566DM and 82541EI chips and all are working fine so
far. It seems only my addon-card is affected, which doesn't exhibit a
part number:
em0@pci0:1:0:0: class=0x020000 card=0xa01f8086 chip=0x10d38086 rev=0x00
hdr=0x00
vendor = 'Intel Corporation'
class = network
subclass = ethernet
em0: <Intel(R) PRO/1000 Network Connection 7.0.0> port 0x2000-0x201f mem
0xe1a80000-0xe1a9ffff,0xe1a00000-0xe1a7ffff,0xe1aa0000-0xe1aa3fff irq 16
at device 0.0 on pci1
em0: Using MSIX interrupts with 5 vectors
em0: [ITHREAD]
em0: [ITHREAD]
em0: [ITHREAD]
em0: [ITHREAD]
em0: [ITHREAD]
em0: Ethernet address: 00:1b:21:3e:90:52
Maybe it's something MSIX related?
And I took the chance to reactivate jumbo-frame testings on one of the
machines at so far it looks promising. I can get icmp relpys with 8972
bytes payload requests. That hasn't been working with "PRO/1000 Network
Connection 6.9.14". Now it reports "PRO/1000 Network Connection 7.0.0"
and with known working windows-driven intel mtu-9014 setted cards I get
response (which always worked between the windows machines but never
with my FreeBSD RELENG_8):
ping -f -l 8972
Ping wird ausgeführt für banana.r2k.rzhp.spsnetz.de [192.168.147.11] mit
8972 Bytes Daten:
Antwort von 192.168.147.11: Bytes=8972 Zeit<1ms TTL=64
Antwort von 192.168.147.11: Bytes=8972 Zeit<1ms TTL=64
GREAT! Thank you very much for that improovement!
-Harry
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