svn commit: r209060 - head/sys/dev/ixgbe

[Jack Vogel]

Odd though, because that code is in the driver on a system with 16 cores and
I'm
not hearing about any problem from my test engineer.

Jack


On Fri, Jun 11, 2010 at 1:13 PM, Bjoern A. Zeeb <bz at freebsd.org> wrote:

> On Fri, 11 Jun 2010, Jack Vogel wrote:
>
> Hi,
>
>
>  HMMMMM, I put in a change in response to some people having problems with
>> mbuf resources,  it seemed to work ok, but now i'm kinda concerned. Does
>> this
>> happen every time you bring the device up?
>>
>> In the routine 'ixgbe_setup_receive_ring()'  I changed a couple of
>> M_NOWAIT's
>> to M_WAITOK, thinking that it would be ok in this code, can you test it,
>> change
>> it back to M_NOWAIT, and see if this symptom goes away?
>>
>
> Will do and let you know.
>
> I assume you mean the ones as part of r208762?
>
>
>
>  How many cores does the machine have, I'm guessing its big?
>>
>
> 4
>
> After ~890 of those tires, locks, abd backtraces deadlkres killed it;)
>
> /bz
>