[vbox-dev] e1000 assertion failure transmitting on a down interface
emaste at freebsd.org
Fri Oct 19 16:07:06 PDT 2012
On 19 October 2012 16:01, Ed Maste <emaste at freebsd.org> wrote:
> VirtualBox 4.2.0
> Host: FreeBSD 9.1-PRELEASE r240994M
> Guest: FreeBSD 10.0-CURRENT r241736M (with netmap enabled)
> Network configuration is an 82540EM, cable connected and no attachment.
> If I leave the interface (em0) down in the guest and try to transmit
> via netmap I trigger an assertion failure in e1kTxQueueConsumer.
> 49:05:09.246948 !!Assertion Failed!!
> 49:05:09.246949 Expression: RT_SUCCESS(rc) || rc == VERR_TRY_AGAIN
> 49:05:09.246950 Location :
> bool e1kTxQueueConsumer(PDMDEVINS*, PDMQUEUEITEMCORE*)
> 49:05:09.247001 VERR_NET_DOWN
> One interesting observation is that this only happens when attempting
> to transmit a 2nd packet - the first does not trigger the assertion.
For what it's worth, I just tested this on 4.2.2 and the problem is
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