I'm trying to setup some X520-DA2s with one copper cable and one Intel
LR SFP in each for standard PF PCI device pass through. The same systems
are working OK with virtual function pass through of 82576 ports so I
think the Xen configuration is fine. The 82599EB works correctly in
Dom0, appears in
Hi
Hope that posting to mail-list is ok
We are observing kernel-panics on the linux running in SMP Virtual Machines
with emulated e1000 network adapter (82545EM controller). This panics happens
quite frequently (once per 30 minutes) on the host with 16 CPUs and 10VMs (each
has 4 virtual CPU).
if between "eop = tx_ring->buffer_info[i].next_to_watch" and check for DD-status
CPU is interrupted and another CPU queues send and hardware completes the send,
then we next_to_watch changes and we go inside cycle with invalid eop
with buffer_info->skb NULL. The solution is to reread eop at after D
Hm, since attaches are not allowed, here is the patch as text.. And.. what is
the correct way to submit a patch? because I suspect that just copy and paste
will not work
Dmitry
if between "eop = tx_ring->buffer_info[i].next_to_watch" and check for DD-sta
On Thu, Mar 03, 2011 at 04:39:10PM -0800, Brandeburg, Jesse wrote:
>On Sat, 26 Feb 2011, Robin Humble wrote:
>Hi Robin, its been a while...
certainly has :)
@ new location and playing with much bigger clusters, but strangely
still about the same place in the top500.
>> our cluster login nodes ge
On Fri, Mar 04, 2011 at 11:40:00AM -0700, Williams, Mitch A wrote:
>>From: Brandeburg, Jesse
>[snip]
>>these messages are due to irqbalance moving the interrupt, combined with a
>>kernel bug that is not handling the per-cpu stuff correctly for the irq
>>
>>I can't seem to find the patch that is rel
> -Original Message-
> From: Robert Dunkley [mailto:rob...@saq.co.uk]
> Sent: Thursday, March 24, 2011 1:22 AM
> To: E1000-devel@lists.sourceforge.net
> Cc: Linux NICS
> Subject: [E1000-devel] 82599EB - PCI Passthrough gives Error -5
>
> I'm trying to setup some X520-DA2s with one copper c
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>> Under load, doing a ifconfig ethX down and up brings down the performance
>> of
>> the NIC to 1/1000th of the initial number.
>>
>>
> Could you provide more detail about the type of traffic you were running?
>
> After the reset is the interface operational at all - i.e. is the performance
> de
>-Original Message-
>From: Sanjay Rao [mailto:s...@verisign.com]
>Sent: Thursday, March 24, 2011 2:56 PM
>To: Tantilov, Emil S
>Cc: e1000-devel@lists.sourceforge.net
>Subject: Re: Performance deterioration under load - 82599EB
>
>
>>> Under load, doing a ifconfig ethX down and up brings dow
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