On Thu, 17 May 2012, Samuel Thibault wrote:
> Brandeburg, Jesse, le Thu 17 May 2012 17:04:04 -0700, a écrit :
> > > BTW, it also happens easily when request_irq takes some time to
> > > complete: since we enable E1000_TCTL_EN before that, the card can have
> > > time to fill the ring before irqs
Brandeburg, Jesse, le Thu 17 May 2012 17:04:04 -0700, a écrit :
> On Thu, 17 May 2012, Samuel Thibault wrote:
>
> > Samuel Thibault, le Fri 18 May 2012 01:28:21 +0200, a écrit :
> > > Dave, Tushar N, le Thu 17 May 2012 23:22:31 +, a écrit :
> > > > I am interested in to see if you have actual
On Thu, 17 May 2012, Samuel Thibault wrote:
> Samuel Thibault, le Fri 18 May 2012 01:28:21 +0200, a écrit :
> > Dave, Tushar N, le Thu 17 May 2012 23:22:31 +, a écrit :
> > > I am interested in to see if you have actual test case and more
> > > importantly test data that shows that kernel a
Samuel Thibault, le Fri 18 May 2012 01:28:21 +0200, a écrit :
> Dave, Tushar N, le Thu 17 May 2012 23:22:31 +, a écrit :
> > I am interested in to see if you have actual test case and more importantly
> > test data that shows that kernel and device indexes are not synchronized
> > any more.
>
Dave, Tushar N, le Thu 17 May 2012 23:22:31 +, a écrit :
> I am interested in to see if you have actual test case and more importantly
> test data that shows that kernel and device indexes are not synchronized any
> more.
Well, it's not with an actual physical device, but with the kvm
emulat
I am interested in to see if you have actual test case and more importantly
test data that shows that kernel and device indexes are not synchronized any
more.
-Tushar
>-Original Message-
>From: netdev-ow...@vger.kernel.org [mailto:netdev-ow...@vger.kernel.org]
>On Behalf Of Samuel Thib
At high traffic rate, the rx ring may get completely filled before we
manage to consume it. After it is filled, the kernel and device indexes
are not synchronized any more, so we have to reset them, otherwise the
kernel will be stuck waiting for the wrong slot to be filled.
Signed-off-by: Samuel
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Also i notice, limit constantly changing over time (even i am not
touching it).
centaur ~ # grep "" /sys/class/net/eth0/queues/tx-0/byte_queue_limits/*
/sys/class/net/eth0/queues/tx-0/byte_queue_limits/hold_time:1000
/sys/class/net/eth0/queues/tx-0/byte_queue_limits/inflight:0
/sys/class/net/eth0
Found commit that cause problem:
author Tom Herbert
Mon, 28 Nov 2011 16:33:16 + (16:33 +)
committer David S. Miller
Tue, 29 Nov 2011 17:46:19 + (12:46 -0500)
commit 3f0cfa3bc11e7f00c9994e0f469cbc0e7da7b00c
treed6670a4f94b2b9dedacc38edb6f0e1306b889f6btree | snapsho
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