Subject: Re: Unmapped RAM-write-access
From: Jason (jason@citroen.oldcity.dca.net)
Date: Tue May 16 2000 - 06:22:59 MDT
I found the answer in the searchable archive on Linuxppc, which I think is different from the search on the Yellow Dog site. I exchanged my 1.2 version ROM image for the 3.0 in my iMac and it works.
Jason
On Mon, 15 May 2000, Jason wrote:
> Hello all,
>
> I'm brand new to this list, but I have searched the archives for mention of my problem.
>
> The problem is that when I start MOL I get an error "Unmapped RAM-write-access" followed by a memory address, which increments as long as I'll let it. I have to ^c^c to get out. A black window for the MOL display comes up but nothing more. The post from
M
> arch 2000 that dealt with this suggested using a ROM image that's newer than Mac OS 8.6. I am using a 9.0 image, with the newest version of MOL, on a pretty fresh install of LinuxPPC 2000. I'm running startmol as root.
>
> My system: Powerbook G3 (Wallstreet), 160mb physical RAM, virtual memory is off, sound is turned down and muted. The system has two hard drives: hda has a single HSF+ partition, while hde in the left expansion bay contains my linuxppc system and a HFS p
ar
> tition (hde8) with a bootable 8.5.1. This is the partition MOL is trying to boot from.
>
> One thing that's curious is that I'm not 100% sure the sound is turned off. I booted into Mac OS, turned the volume down, and muted it with the mute button above the PowerBook's keyboard. When I rebooted after that, the startup chime did not play so I a
ss
> umed the system really was muted. However, when I'm in Linux the keyboard bell is audible. I don't know whether this is acceptabel to MOL, or how to mute the sound in Linux.
>
> Below this post is the output I get from startmol.
>
> Thanks in advance for your advice.
>
> Jason
>
> [root@molly jason]# startmol
> Using MOL library directory /usr/lib/mol
> Mac-on-Linux 0.9.41
> (C) 1997-2000 Samuel Rydh, <samuel@ibrium.se>
> Using resource file '/etc/molrc'
> MOL kernel module 1.1.41
> sym: giveup_altivec [8] C00039D0
> Loading OF device tree from 'oftrees/oftree.nw'
> 64MB RAM mapped at 0x20000000
> Running in PowerPC 750 mode (G3)
> DEC frequency: 0x00fbc520 (16 MHx), 165:10 mticks/usec
> PCI-bridge 'pci' (bus 0..1) installed at 0x80000000
> PCI-bridge DEC,21154 at 0:13
> Heathrow, (1:05) found
> Using nvram-image 'nvram/nvram.nw'
> Video module 'xvideo' installed.
> Running on VT 8.
> Using adb mouse on /dev/adbmouse
> Opening the video-mode database '/etc/fb.modes': No such file or directory
> Video module 'console_video' installed.
> MODE: 640*480, depth 8,32, 0.0 Hz
> MODE: 800*600, depth 8,32, 0.0 Hz
> MODE: 1024*768, depth 8,32, 0.0 Hz
> MODE: 1152*864, depth 8,32, 0.0 Hz
> MODE: 1280*1024, depth 8,32, 0.0 Hz
> MODE: 1600*1200, depth 8,32, 0.0 Hz
> Starting in video mode 640*480, depth 32, 0.0 Hz [offs:0, rb:2560]
> osi_enet: Attached to network interface <eth0>
> osi_enet: Ethernet address is: 00 05 02 4d dd 0f
> osi_scsi: *** OSI SCSI DISABLED **
>
> ------> /dev/hde8 is linux-mounted with write privileges.
> HFS disk: 270 MB, /dev/hde8 [read-only]
>
>
> Mapping GC at 80800000
> Starting emulation...
>
> RTAS instantiated at 00004000
> ************ WARNING, phandle == 0 ***********
> Replacing old translation (EA 008E0000)
> Replacing old translation (EA 00900000)
> Replacing old translation (EA 00901000)
> Replacing old translation (EA 00902000)
> ....
> Replacing old translation (EA 0092B000)
> ********* of_quiesce *********
> Unmapped RAM-write-access, 04000000
> Unmapped RAM-write-access, 04000004
> Unmapped RAM-write-access, 04000008
> Unmapped RAM-write-access, 0400000c
> ...
> Unmapped RAM-write-access, 04003e3c
> ... finally I hit ^c^c
> Unmapped Rcleaning up...
> Terminating threads...
> DONE
>
>
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