--- On Mon, 3/4/13, Zaphod Beeblebrox wrote:
> From: Zaphod Beeblebrox
> Subject: Re: igb network lockups
> To: "Jack Vogel"
> Cc: "Nick Rogers" , "Sepherosa Ziehau"
> , "Christopher D. Harrison" ,
> "freebsd-net@freebsd.org
--- On Mon, 3/4/13, Zaphod Beeblebrox wrote:
> From: Zaphod Beeblebrox
> Subject: Re: igb network lockups
> To: "Jack Vogel"
> Cc: "Nick Rogers" , "Sepherosa Ziehau"
> , "Christopher D. Harrison" ,
> "freebsd-net@freebsd.org
On Mon, Mar 4, 2013 at 10:22 AM, Jack Vogel wrote:
>
>>
>> Thanks. So on FreeBSD 9.1-RELEASE it is advisable to set
>> hw.em.enable_msix=0 for 82574L? Are there other em(x) NICs where this
>> is advisable?
>>
>
> As I explained in a previous email, this is not advisable unless you are
> experienci
For everyone having lockup problems with IGB, I'd like to ask if they could
try disabling hyperthreads --- this worked for me on one system but has
been unnecessary on others.
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>
> Thanks. So on FreeBSD 9.1-RELEASE it is advisable to set
> hw.em.enable_msix=0 for 82574L? Are there other em(x) NICs where this
> is advisable?
>
>
As I explained in a previous email, this is not advisable unless you are
experiencing problems (like hangs), if you are then its one possible
caus
On Sun, Mar 3, 2013 at 2:14 AM, Sepherosa Ziehau wrote:
...
>
>
> For 82574L, i.e. supported by em(4), MSI-X must _not_ be enabled; it
> is simply broken (you could check 82574 errata on Intel's website to
> confirm what I have said here).
>
If you actually checked the errata you will find that i
On Sun, Mar 3, 2013 at 2:14 AM, Sepherosa Ziehau wrote:
> On Sat, Mar 2, 2013 at 12:18 AM, Nick Rogers wrote:
>> On Fri, Mar 1, 2013 at 8:04 AM, Nick Rogers wrote:
>>> FWIW I have been experiencing a similar issue on a number of systems
>>> using the em(4) driver under 9.1-RELEASE. This is after
On Sat, Mar 2, 2013 at 12:18 AM, Nick Rogers wrote:
> On Fri, Mar 1, 2013 at 8:04 AM, Nick Rogers wrote:
>> FWIW I have been experiencing a similar issue on a number of systems
>> using the em(4) driver under 9.1-RELEASE. This is after upgrading from
>> a snapshot of 8.3-STABLE. My systems use PF
--- On Mon, 2/25/13, Christopher D. Harrison wrote:
> From: Christopher D. Harrison
> Subject: Re: igb network lockups
> To: "Jack Vogel"
> Cc: freebsd-net@freebsd.org
> Date: Monday, February 25, 2013, 1:38 PM
> Sure,
> The problem appears on both systems
On Fri, Mar 1, 2013 at 8:04 AM, Nick Rogers wrote:
> FWIW I have been experiencing a similar issue on a number of systems
> using the em(4) driver under 9.1-RELEASE. This is after upgrading from
> a snapshot of 8.3-STABLE. My systems use PF+ALTQ as well. The symptoms
> are: interface stops passing
FWIW I have been experiencing a similar issue on a number of systems
using the em(4) driver under 9.1-RELEASE. This is after upgrading from
a snapshot of 8.3-STABLE. My systems use PF+ALTQ as well. The symptoms
are: interface stops passing traffic until the system is rebooted. I
have not yet been a
Have you done any poking around, looking at stats to determine why the
hangs? For instance,
might your mbuf pool be depleted? Some other network resource perhaps?
Jack
On Mon, Feb 25, 2013 at 10:38 AM, Christopher D. Harrison <
harri...@biostat.wisc.edu> wrote:
> Sure,
> The problem appears on
Sure,
The problem appears on both systems running with ALTQ and vanilla.
-C
On 02/25/13 12:29, Jack Vogel wrote:
I've not heard of this problem, but I think most users do not use
ALTQ, and we (Intel) do not
test using it. Can it be eliminated from the equation?
Jack
On Mon, Feb 25, 2013 a
I've not heard of this problem, but I think most users do not use ALTQ, and
we (Intel) do not
test using it. Can it be eliminated from the equation?
Jack
On Mon, Feb 25, 2013 at 10:16 AM, Christopher D. Harrison <
harri...@biostat.wisc.edu> wrote:
> I recently have been experiencing network "fr
I recently have been experiencing network "freezes" and network
"lockups" on our Freebsd 9.1 systems which are running zfs and nfs file
servers.
I upgraded from 9.0 to 9.1 about 2 months ago and we have been having
issues with almost bi-monthly. The issue manifests in the system
becomes unres
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