Date: Fri, 26 Mar 2021 22:04:11 -0700 From: David G Lawrence <dg@dglawrence.com> To: Kevin Oberman <rkoberman@gmail.com> Cc: Graham Perrin <grahamperrin@gmail.com>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: 13.0 RC4 might be delayed Message-ID: <20210327050411.GS15485@mailx.dglawrence.com> In-Reply-To: <CAN6yY1uh7Lj5%2B7A=zoxDXo4ZyCYCxwc-6eHo6rmQiZpRaAE%2B8w@mail.gmail.com> References: <2766233C-3CC7-4B02-95AB-7555A60FFD81@samsco.org> <YF1Xt5wbO20GyO8j@doctor.nl2k.ab.ca> <9c49b2b1-6c49-410b-fbb2-a3b73618b01c@gmail.com> <CAN6yY1uh7Lj5%2B7A=zoxDXo4ZyCYCxwc-6eHo6rmQiZpRaAE%2B8w@mail.gmail.com>
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> On Fri, Mar 26, 2021 at 1:01 PM Graham Perrin <grahamperrin@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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