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b=JM6VIsvwqcE8eA2d RGoZizM7LrU2/c1pbjv4fPyhyPmNcCS+u9oEkJyXjNgN3CCUm/LvyXxU8CcwCNiH3KEtnDppamwkZ SNpncQlBCZLBhSrHX0u39GkDa1lunWV4bOMAMIspvUT/wlq92C72AtDlCh74hjK38cpZ3KyvBg9XG tVtswSKIdXa6RtKXw/Z3Roze/3Mzu+ZsdJszjeTJKhfmim1NoqA85sjBKcaRp+lc7cvrkiV7Rx7vC +ZHScghNqX3xVup1c5nofV6dtlOTPB9NxMS0F+/AENn+uK0xqK8RZbTacDbBFOfu+QfBXh5PDR3He /drijtdl2LsE01dXVw==; Received: from dg by mx.treblig.org with local (Exim 4.98.2) (envelope-from ) id 1vGexe-00000002CEf-1dvB; Wed, 05 Nov 2025 14:58:10 +0000 Date: Wed, 5 Nov 2025 14:58:10 +0000 From: "Dr. David Alan Gilbert" To: Finn Thain , mark.cave-ayland@ilande.co.uk Cc: Stan Johnson , mpe@ellerman.id.au, npiggin@gmail.com, christophe.leroy@csgroup.eu, sam@ravnborg.org, benh@kernel.crashing.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rdunlap@infradead.org, Cedar Maxwell Subject: Re: QEMU limitations, was Re: [PATCH v4] powerpc: Use shared font data Message-ID: References: <20230825142754.1487900-1-linux@treblig.org> <20108eef-b7cf-3f23-264a-5d97021f9ffa@linux-m68k.org> <797f0a13-350f-e26d-f1ef-876419e1c013@linux-m68k.org> <492c13c9-666c-9578-6c66-0eb8fefc93dc@linux-m68k.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <492c13c9-666c-9578-6c66-0eb8fefc93dc@linux-m68k.org> X-Chocolate: 70 percent or better cocoa solids preferably X-Operating-System: Linux/6.12.48+deb13-amd64 (x86_64) X-Uptime: 14:56:52 up 9 days, 14:33, 3 users, load average: 0.00, 0.00, 0.00 User-Agent: Mutt/2.2.13 (2024-03-09) (Copying Mark Cave-Ayland in - see below) * Finn Thain (fthain@linux-m68k.org) wrote: > > On Mon, 3 Nov 2025, Finn Thain wrote: > > > > OK, remember I don't think I've ever tried PPC via MacOS booting, so > > > not familiar with it. > > > > > > > I will try to set up a MacOS guest in QEMU, to see if the hang can be > > reproduced that way. > > > > QEMU appears to be incompatible with the Old World ROM from the Beige G3. > 'qemu-system-ppc -M g3beige -bios 78F57389.ROM -serial stdio' drops into a > ROM diagnostic menu and won't boot. > > I did get 'qemu-system-ppc -M mac99 ...' to boot into MacOS 9, by using > OpenBIOS instead of Apple firmware. Unforunately, BootX is not compatible > with this configuration, so it won't help. > > BootX is compatible with beige powermacs, but 'qemu-system-ppc -M g3beige' > with OpenBIOS fails to boot MacOS 9 ("MacOS: unable to find an interrupt > controller node"). > > OpenBIOS wouldn't boot a MacOS 8.1 CD-ROM either, but for different > reasons: both mac99 and g3beige failed with "No valid state has been set > by load or init-program". Thanks for trying, I've copied Mark Cave-Ayland from Qemu in; he's down as the g3beige maintainer in qemu, he might have a hint. Dave -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ dave @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/