Re: 13.0 RC4 might be delayed

From: David G Lawrence <dg_at_dglawrence.com>
Date: Fri, 26 Mar 2021 22:04:11 -0700
> 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
Received on Sat Mar 27 2021 - 04:04:19 UTC

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