Re: Fwd: bhyve passthru problem

16.06.24 12:55, Mario Marietto:
> I've zipped and uploaded my boot directory to my google drive
>
> https://drive.google.com/file/d/1MIw0G4LqducG86rtwSm9GjEWFyuCA-Vx/view?usp=sharing
>
> Try to exchange your boot files with those files. Anyway I'm using the 
> kernel of FreeBSD 14.0--RELEASE p6 for my cpu /Intel/® /Core/™ 
> /i9/-/9900K + GPU = Nvidia RTX 2080 ti. You can try the default kernel 
> shipped with FreeBSD 14.0-RELEASE p6 to make it easier. /
>
This explains all. I am using latest current ))
>
> 15.06.24 13:47, Mario Marietto:
>> Ciao Oleksandr.
>>
>> I can't produce patches,I'm not a programmer. But I conduct 
>> experiments every day,changing parameters,system files between 
>> different FreeBSD versions,operating systems and tools.
>>
>> Can't you use virtio-net instead of passing through the physical 
>> network interface,like this for example : -s 13,virtio-net,tap18 \ in 
>> your bhyve guest ?
>>
>> You can try these bhyve versions : (try both)
>>
>> https://drive.google.com/drive/folders/14OMOjdyS5NPQ75ISatcpCWegU0udzG0r?usp=sharing
>>
> Unfortunately both of your vmm.ko modules fail to load on my system:
>
> KLD vmm.ko: depends on kernel - not available or version mismatch
>
>> On Sat, Jun 15, 2024 at 9:17 AM Oleksandr Kryvulia 
>> <shuriku@shurik.kiev.ua> wrote:
>>
>>     14.06.24 10:50, Peter Grehan:
>>     >> I don't know why bhyve validates the BAR size. The commit
>>     adding this
>>     >> check is old [1] and doesn't explain it. What bhyve could do is
>>     >> rounding up the BAR size to a full page size when allocating
>>     memory for
>>     >> the BAR.
>>     >>
>>     >> [1] https://github.com/freebsd/freebsd-
>>     >> src/commit/7a902ec0eccc752c9c38533ed123121eaaea1225
>>     >
>>     >  At the time, BIOSs would often place device BARs of less than
>>     a page
>>     > size in the same physical page. Since EPT only gives page
>>     granularity,
>>     > this would result in all those devices being available to the
>>     guest
>>     > even if they hadn't been passed through.
>>     >
>>     Peter, can you explain how can I use this device in a guest without
>>     passing through?
>>
>>
>>
>>
>> -- 
>> Mario.
>