From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 085212C237C for ; Wed, 5 Nov 2025 14:58:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.229.95 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762354703; cv=none; b=HrsPl/l7JrD0u/0FRgNpCXSa+S4mi+fIsH5ZXG5TOsBeYL9n1433ubOals7T+8kQAlRhP3T5Y2UpjUz4+afFa5Z7RLU2jMUFPUYZmH/PIN0bSz64XjOBnb/P8G7Yd6Cfu5RcH9f00d9x8jLaRZHqXCcRCnMsCISc4jQ8emJhQJ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762354703; c=relaxed/simple; bh=EOlQYtM3Ja8pSPVHJqaJhALzG0oSZlYV891a2hdAh9g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OE/pPt0yl7vgw+lfzeWXveD5hrJ61kMEk4z5gUbXSetJHCdj7fo3T3Yg7S1WUjEYJCRJc4MAk5MZR5qVMi5Fke5NlU7/WsUi3WesSm+F0iXnnHRqFHBh1ukbTS3/BFe3PCwrjN0awGmN3QEzG6BY9149KzGwhF94atUuBWBc6dY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org; spf=pass smtp.mailfrom=treblig.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b=JM6VIsvw; arc=none smtp.client-ip=46.235.229.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=treblig.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b="JM6VIsvw" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=Content-Type:MIME-Version:Message-ID:Subject:From:Date:From :Subject; bh=j+8lmcfXXp+njydpClU6nphHyEcjCaty8/2kZQYj9+E=; 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 |_______/