Question about em_irq_fast

Sean Bruno sbruno at freebsd.org
Mon Aug 8 21:02:35 UTC 2016



On 08/08/16 13:14, Sreekanth Rupavatharam wrote:
> 
> 
> Thanks,
> 
> -Sreekanth
> 
>> On Aug 8, 2016, at 12:09 PM, Sean Bruno <sbruno at freebsd.org> wrote:
>>
>> Is this with the "lem" driver or the "em" driver under QEMU?
>>
> It's for lem driver under qemu. My question is mainly about there being no specific bit for a packet received in this register or am I missing something here?
> 
>> Look for "legacy" in the boot output of your VM.
>>
>> sean
>>
> 

It sounds like QEMU is spamming packets and interrupts incorrectly as
normal hardware doesn't have this issue.

sean

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