Re: 13.0 RC4 might be delayed

It may not only be Virtualbox, but also happens under Vmware VMs.

I use Vmware Fusion 7 pro as my software build-host on top of my Mac
Pro for years now, but I can't build much with 13.0 cause regular
build processes (like sed, awk, grep, zsh) turn into zombies randomly.
Example shot from my private CI from yesterday:
http://s.verknowsys.com/12f14b0350ee3baeb8f153cd48764bc8.png

The issue doesn't happen on 12.2, 12.1, 12.0 or older releases.

I reported this issue (I'm testing it since 13-alpha) here:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253718

In RC3 it feels it got even worse and happens even more often… It's a
critical release blocker if you ask me…

kind regards
Daniel

On 27/03/2021, David G Lawrence via freebsd-current
<freebsd-current_at_freebsd.org> 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.
>
> -DG
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-- 
--
Daniel Dettlaff
Versatile Knowledge Systems
verknowsys.com