linux-kernel - Re: [PATCH] zorro: Fix address space collision message with RAM expansion boards

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Date:   Wed, 26 Aug 2020 13:34:01 +0200
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Stefan Reinauer <stefan.k.reinauer@...il.com>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] zorro: Fix address space collision message with RAM
 expansion boards

On 8/26/20 1:28 PM, Geert Uytterhoeven wrote:
> On Mon, Jul 13, 2020 at 9:24 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>> When booting Linux on an Amiga with BigRAMPlus Zorro expansion board:
>>
>>     zorro: Address space collision on device Zorro device 12128600 (Individual Computers) [??? 0x50000000-]
>>
>> This happens because the address space occupied by the BigRAMPlus Zorro
>> device is already in use, as it is part of system RAM.  Hence the
>> message is harmless.
>>
>> Zorro memory expansion boards have the ERTF_MEMLIST flag set, which
>> tells AmigaOS to link the board's RAM into the free memory list.  While
>> we could skip registering the board resource if this flag is set, that
>> may cause issues with Zorro II RAM excluded in a memfile.
>>
>> Hence fix the issue by just ignoring the error if ERTF_MEMLIST is set.
>>
>> Reported-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
>> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> 
> Applied, and queued in the m68k for-v5.10 branch.

Oh, that reminds me. I should dig out the Big-RAM-Plus again. I still haven't
found it after my last move but I know where to find it (hopefully ;-)).

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@...ian.org
`. `'   Freie Universitaet Berlin - glaubitz@...sik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913