Date: Sun, 28 Mar 2021 22:58:57 +0200 From: Guido Falsi <mad@madpilot.net> To: David G Lawrence <dg@dglawrence.com>, 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: <1b3605eb-388e-283b-d907-67058ea62c0a@madpilot.net> In-Reply-To: <5f4c94c2-df08-60ca-4dfc-31364fb444be@madpilot.net> 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> <20210327050411.GS15485@mailx.dglawrence.com> <5f4c94c2-df08-60ca-4dfc-31364fb444be@madpilot.net>
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On 28/03/21 22:34, Guido Falsi via freebsd-current wrote: > 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@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. > I found the relevant commit. Please give me some time for testing and I'll put this patch back in the tree. -- Guido Falsi <mad@madpilot.net>
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