13.0 RC4 might be delayed

[Guido Falsi]

On 27/03/21 06:04, David G Lawrence via freebsd-current wrote:
>> On Fri, Mar 26, 2021 at 1:01 PM Graham Perrin <grahamperrin at gmail.com>
>> wrote:
>>
>>> On 26/03/2021 03:40, The Doctor via freebsd-current wrote:
>>>> ??? if people are having issues with ports like ???
>>>
>>> If I'm not mistaken:
>>>
>>> * 13.0-RC3 seems to be troublesome, as a guest machine, with
>>> emulators/virtualbox-ose 6.1.18 as the host
>>>
>>> * no such trouble with 12.0-RELEASE-p5 as a guest.
>>>
>>> I hope to refine the bug report this weekend.
>>>
>>
>> Had nothing but frequent guest lockups on 6.1.18 with my Win7 system. That
>> was right after 6.1.18 was put into ports. Fell back to legacy (v5) and
>> will try again shortly to see if it's any better.
> 
> Kevin,
> 
>     Make sure you have these options in your /etc/sysctl.conf :
> 
> vfs.aio.max_buf_aio=8192
> vfs.aio.max_aio_queue_per_proc=65536
> vfs.aio.max_aio_per_proc=8192
> vfs.aio.max_aio_queue=65536
> 
>     ...otherwise the guest I/O will random hang in VirtualBox. This issue was
> mitigated in a late 5.x VirtualBox by patching to not use AIO, but the issue
> came back in 6.x when that patch wasn't carried forward.

Sorry I lost that patch. Can you point me to the patch? Maybe it can be 
easily ported.

-- 
Guido Falsi <mad at madpilot.net>