linux-kernel - Re: [PATCH 00/27] sparc32: sunset sun4m and sun4d

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Message-Id: <dbb60b13-565f-43b8-8cb8-6f8cd98b06df@app.fastmail.com>
Date: Wed, 20 Dec 2023 10:47:56 +0000
From: "Arnd Bergmann" <arnd@...nel.org>
To: "John Paul Adrian Glaubitz" <glaubitz@...sik.fu-berlin.de>,
 "Sam Ravnborg" <sam@...nborg.org>, "David S . Miller" <davem@...emloft.net>,
 "Andreas Larsson" <andreas@...sler.com>
Cc: "Helge Deller" <deller@....de>,
 "Alexander Viro" <viro@...iv.linux.org.uk>,
 "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
 "Alan Stern" <stern@...land.harvard.edu>, "Jaroslav Kysela" <perex@...ex.cz>,
 "Takashi Iwai" <tiwai@...e.com>, sparclinux@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 linux-sound@...r.kernel.org
Subject: Re: [PATCH 00/27] sparc32: sunset sun4m and sun4d

On Wed, Dec 20, 2023, at 09:54, John Paul Adrian Glaubitz wrote:
> On Wed, 2023-12-20 at 08:36 +0000, Arnd Bergmann wrote:
>> All of these were found through inspection rather than testing,
>> so there is a good chance that other fatal kernel bugs prevent
>> testing in qemu, at least until the fixes from Andreas' tree
>> are included.
>
> Andreas has fixes for these issues?

Not sure, all I know is that

- Andreas has some fixes for Leon in his tree
- Sam is unable to boot mainline in qemu
- There is an unknown set of bugs in sparc32 since it has not
  been tested for many years without Andreas' patches

it appears that the qemu developers are still testing the sun4m
model against old Linux and Solaris installations [1], but
failure to run the leon3 model could still be any combination
of kernel, qemu or configuration problems.

        Arnd

[1] https://wiki.qemu.org/Documentation/Platforms/SPARC#Compatibility