Sorry to hear that you have this issue. Recently, we have seen tx hang issue
with 82571 because of the driver bug due to dma burst enabled.
A quick check would be to try the test driver that I have attached.
Please untar the driver src, compile it and insert the module. See if issue
occur!
Thanks.
-Tushar
>-----Original Message-----
>From: Holger Eitzenberger [mailto:[email protected]]
>Sent: Friday, February 10, 2012 2:14 AM
>To: [email protected]
>Subject: [E1000-devel] 82571EB: Unit Hang kernel 2.6.32.y + driver v1.9.5
>
>Hi list,
>
>I'm seeing a Unit Hang even with the latest e1000e driver v1.9.5 when
>running with an ancient kernel 2.6.32.48.
>
>The Unit Hang occurs on different interfaces on a box with eight such
>adapters, so I'd expect that any of those interfaces is not broken per se.
>An excerpt from 'dmesg' is attached, as well as the ethregs output for
>that interface.
>
>This is a fiber module. The used Gbic is APAC Opto LS38-C3M-TC-N
>(Singlemode 1.25Gbps 1301nm). Don't know though if all interfaces use
>this type of Gbic.
>
>Can you please tell me if this is a known issue? And if not, please hint
>me at how to debug any further? There is not much change of using a bus
>analyzer on the customers side, as this network is in production use.
>
>Might this actually be Gbic related? I'm just asking because of Jepsers
>recent complain about lack of officially supported Gbics for newer Intel
>fiber adapters.
>
>Thanks! :)
>
> /holger
>
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