>Number: 181236
>Category: kern
>Synopsis: IGB driver unstable work
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Aug 12 08:10:01 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Igor Krasnov
>Release: 9.1-stable/9.2-beta2
>Organization:
FRS
>Environment:
FreeBSD hq 9.2-BETA2 FreeBSD 9.2-BETA2 #0 r253796M: Wed Jul 31 10:58:57
MSK 2013 root@hq:/usr/obj/usr/src/sys/HQ-30072014 amd64
>Description:
The same problems have been observed at 9.1-stable after the regular upgrade to
stable/9. The system has been upgraded to 9.2-beta. There are problems with the
network card igb: <Intel(R) PRO/1000 Network Connection version - 2.3.10(Quad
Port Server Adapter), which is installed in the new HP DL380 g8 server. After
the server is loaded everything seems to be fine but when the network load is
high (about 500 users), there occur TCP sessions breaks (connections to
exchange server, ssh, sql sessions break). I would like to point out that these
problems are caused by a large number of TCP connections within the network and
not by the volume of transmitted traffic or NAT load as the stable traffic 200
mb/s caused no problems at all.
In my opinion, the program configuration is completely workable, as it
functions perfectly well on another device (FreeBSD 7.1 system) and there are
no problems with the current system as well if the load is medium. Only high
network load causes problems.
>How-To-Repeat:
Don't know, need huge trafic generator...
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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