Date: Fri, 16 Apr 2010 11:37:59 +0200 From: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org, Jack Vogel <jfvogel@gmail.com> Subject: Re: em regression, UDP LOR followed by ssh stall Message-ID: <4BC82FF7.1030700@omnilan.de> In-Reply-To: <20100416092803.GA17526@icarus.home.lan> References: <4BC82B80.3070108@omnilan.de> <20100416092803.GA17526@icarus.home.lan>
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Jeremy Chadwick schrieb am 16.04.2010 11:28 (localtime):
> On Fri, Apr 16, 2010 at 11:18:56AM +0200, Harald Schmalzbauer wrote:
>> with RELENG_8 from 6 weeks ago I never ran into the problem that my
>> ssh connection stalled.
>> With today's RELENG_8 it reproducably hangs at first login. After
>> some time I can open another ssh session which seems to stay without
>> problems, but the first sessions is always dying a few seconds after
>> login.
>> here's a LOR:
>> {snip}
>
> The e1000/em driver was recently modified (heavily). I saw the large
> number of commits come across in a csup a few weeks ago, and there's
> even more coming across in recent days (~38 hours ago):
>
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/e1000/
>
> This is the 2nd problem report to come in about the recent e1000/em
> changes. Because of this, I've avoided building kernel on all of my
> systems, and would recommend others avoid doing the same until these
> problems can get worked out.
>
> Jack, can you shed some light on what's going on here?
Som more info:
it seems only one of my em interfaces is affected. The other interface
doesn't show any odd behaviour:
em1: <Intel(R) PRO/1000 Legacy Network Connection 1.0.0> port
0x1800-0x183f mem 0xe1920000-0xe193ffff,0xe1900000-0xe191ffff irq 18 at
device 2.0 on pci3
em1: [FILTER]
em1: Ethernet address: 00:15:17:8d:aa:d4
I only have one
em1: Watchdog timeout -- resetting
So the one with problems is:
em0@pci0:1:0:0: class=0x020000 card=0xa01f8086 chip=0x10d38086 rev=0x00
hdr=0x00
vendor = 'Intel Corporation'
class = network
subclass = ethernet
The one without problems so far:
em1@pci0:3:2:0: class=0x020000 card=0x34d08086 chip=0x10768086 rev=0x05
hdr=0x00
vendor = 'Intel Corporation'
device = 'Gigabit Ethernet Controller (82541EI)'
class = network
subclass = ethernet
Thanks,
-Harry
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