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Date:      Fri, 5 Apr 2019 07:15:14 -0700
From:      Marcel Flores <marcel@brickporch.com>
To:        freebsd-arm@freebsd.org
Subject:   Re: Restore broken ThunderX support in 12 by MFCing r343764?
Message-ID:  <AEF036AB-D81E-4D46-BE04-E470A2B350D1@brickporch.com>
In-Reply-To: <3996B352-ABFB-4CA5-A897-6C6CD1D2A132@brickporch.com>
References:  <20190218022911.72261m7v5l6g1i7b@webmail.omc.net> <CAPyFy2CB0T6GpR5=Am_CYnrbD5KehX3YjCtnT6gd0tHP0VPcow@mail.gmail.com> <3996B352-ABFB-4CA5-A897-6C6CD1D2A132@brickporch.com>

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> On Apr 3, 2019, at 10:16 PM, Marcel Flores <marcel@brickporch.com> =
wrote:
>=20
>=20
>=20
>> On Apr 3, 2019, at 6:55 AM, Ed Maste <emaste@freebsd.org> wrote:
>>=20
>> On Sun, 17 Feb 2019 at 20:29, <kraileth@elderlinux.org> wrote:
>>>=20
>>> Not being a developer though, I cannot judge if [r343764] cannot be =
MFC'd
>>> into 12-STABLE due to making invasive changes or if it simply never
>>> was because it was thought to be an improvement for 13 only and not =
an
>>> actually pretty vital fix for 12.
>>=20
>> I suspect jchandra@ just didn't realize it's needed also on ThunderX,
>> and I did not encounter any trouble with the ThunderX systems I have.
>> It could just be that our (older) ThunderX reference firmware has
>> fewer regions in its ACPI info and so works fine without r343764.
>> Anyhow I've now merged the change to stable/12.
>>=20
>> With respect to vt_efifb the tunable is a simple workaround, but we
>> really need this to work out-of-the-box. Do you have any further
>> details on the failure when vt_efifb is enabled?
>>=20
>> Also, if you're aware of any other ThunderX issues please let me =
know.]
>=20
> stable/12 now works. In fact, the hw.syscons.disable tuneable is no =
longer needed either =E2=80=94 a fresh build stable/12 appears to be =
working with GENERIC out of the box. Based on this thread, that =
doesn=E2=80=99t totally make sense to me, but I=E2=80=99m not sure what =
all else has made it into stable/12.
>=20
> The same can=E2=80=99t be said for 13, which, as of about 2 weeks ago =
(I can confirm later this week if that would be worthwhile), behaves as =
described here without it:
> =
https://lists.freebsd.org/pipermail/freebsd-arm/2018-December/019130.html =
<https://lists.freebsd.org/pipermail/freebsd-arm/2018-December/019130.html=
><https://lists.freebsd.org/pipermail/freebsd-arm/2018-December/019130.htm=
l =
<https://lists.freebsd.org/pipermail/freebsd-arm/2018-December/019130.html=
>>
>=20
> Since the serial console essentially hangs, I=E2=80=99m not sure how =
to get any additional information, but happy to try any suggestions.
>=20
>=20
> The only other issues I=E2=80=99ve had with the ThunderX Gigabyte =
board I have is getting the onboard NIC to work (Seems to be about like =
this, looking at dmesg: =
https://lists.freebsd.org/pipermail/freebsd-arm/2018-April/017865.html =
<https://lists.freebsd.org/pipermail/freebsd-arm/2018-April/017865.html>),=
 but I imagine this is a driver question for the Gigabyte portions, =
rather than an issue with the ThunderX itself.
>=20

Correction to the above =E2=80=94 just tried to boot current/13 r345863 =
via USB
installer, it actually gets further, sans tuneable, but gets stuck =
somewhere.=20
Boot output attached.

https://hastebin.com/xeteyuhome

-m




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