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Re: [perfsonar-user] Issues with Intel 10G NIC, X520


Chronological Thread 
  • From: Roderick Mooi <>
  • To: "Lang, Michael" <>
  • Cc: Eli Dart <>, "" <>
  • Subject: Re: [perfsonar-user] Issues with Intel 10G NIC, X520
  • Date: Wed, 19 Aug 2015 14:49:45 +0200

Hello Michael

We have 15 DELL servers (combination of R415 and R320s) all using Intel X520
NICs running the perfSONAR toolkit (and regular tests). I randomly checked
three of them for this condition and didn’t see it.

Kernel: 2.6.32-573.3.1.el6.web100.x86_64
Driver: 4.0.1-k

I don’t think the Intel driver is related to web100…

Don’t know if this is helpful but let me know if there’s anything else I can
check for you?

Regards,

Roderick

> On 13 Aug 2015, at 5:51 PM, Lang, Michael
> <>
> wrote:
>
> Thanks Eli.
>
>
>
> I tried updating firmware but it looks like the only firmware available is
> boot ROMs. Updating that didn’t help.
>
>
>
> Next I tried updating the driver to the latest (4.1.2) and that has fixed
> the problem. Somethingmust be wrong with the way ixgbe that ships in the
> kernel with my system.
>
>
>
> Can anyone tell me whether running a stock intel ixgbe driver rather than
> the web100 is going to cause any issues with perfSONAR functionality?
>
>
>
> - Mike
>
>
>
> From: Eli Dart
> [mailto:]
>
> Sent: Wednesday, August 12, 2015 6:23 PM
> To: Lang, Michael
> <>
> Cc:
>
> Subject: Re: [perfsonar-user] Issues with Intel 10G NIC, X520
>
>
>
> I haven't seen this specifically, but this sort of issue looks like it
> might be a driver or firmware bug.
>
>
>
> Are you able to change the version of the ixgbe driver you are using, or
> separate firmware).
>
>
>
> Eli
>
>
>
>
>
> On Wed, Aug 12, 2015 at 10:01 AM, Lang, Michael
> <>
> wrote:
>
> Hello,
>
>
>
> I’ve been having trouble with a system running perfSONAR, specifically with
> the 10Gthread ‘events’ getting stuck in state ‘D’ (Uninterruptible sleep)
> often. Looks like this from top:
>
>
>
> 21 root 20 0 0 0 0 D 0.0 0.0 6:42.19 events/2
>
>
>
> Another symptom (the one I first noticed) is that keystrokes are choppy
> through SSH –these problems go away.
>
>
>
> The last kernel that I had working that didn’t have this problem was:
>
>
>
> 2.6.32-504.16.2.el6.web100
>
>
>
> The current kernel installed is:
>
>
>
> 2.6.32-573.1.1.el6.web100.x86_64
>
>
>
> I’ve tried changing some available ixgbe parameters such as interrupts and
> flow directortransceivers, but I don’t believe that should cause this issue.
>
>
>
> Has anyone else seen this? Anyone know of a fix or anything I could try to
> help resolve it?
>
>
>
> Thanks,
>
>
>
> - Mike
>
>
>
>
>
> --
>
> Eli Dart, Network Engineer NOC: (510) 486-7600
>
> ESnet Office of the CTO (AS293) (800) 333-7638
>
> Lawrence Berkeley National Laboratory
>
> PGP Key fingerprint = C970 F8D3 CFDD 8FFF 5486 343A 2D31 4478 5F82 B2B3
>
>
> --
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