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From: Stefan Hanske <shanske@ix.urz.uni-heidelberg.de>
> OK, OK, I know, I'm doing something stupid, but what?
> Would any ARMLinux gurus out there please help, I do want to use Linux!
>
> My system
> ===========
> I have a RiscPC, with 40MHz ARM710, 16Mb DRAM, VRAM, IDE CDROM, 850Mb IDE HD, AcornFD, Acorn Ethernet adapter, Acorn keyboard, 3 button mouse in mouseport, ROMs marked RiscOS 3.6.
> The system used to have a 486 coprocessor, but I removed it
> There are no expansion cards.
> ie pretty bog standard
>
> Under RiscOS, the machine is fully operational on the network with Ant internet suite and Omniclient to access an NT server over ethernet
> The machine has had no other software installed since it was shipped from Acorn about 2 years ago.
>
>
> What I did
> ===========
>
> First, I've read Russell's downloading ARMLinux installation guide, Phil Norman's installing from Clan CD (even though I don't have
> the clan CD), I've read the FAQ, and the whole of the ARMLinux website.
>
> I've downloaded the 4 ARMLinux utility files, sparkplugged them onto an ADFS floppy, along with the precompiled self-ungzipping kernel, rpc, v2.0.33.
>
> I have transferred root-pc and supplemental onto MSDOS floppies (though haven't got to use them yet)
>
> And now I try and check if my kernel will run.
>
>
> So I type ADFS::0.$.!Linux -bootkernel ADFS::0.$.rpc
>
> and the RiscPC jumps to a lowish resolution (640*480?) text mode screen, with
>
> >Press Alt for boot loader <<<(what does this mean?)
> >Kernel loader v3.21
>
> >1. Return to RiscOS
> >2. Linux
>
> I select 2, and see
>
> >Enter extra args <<< what args?
>
> I hit return and get the message
>
> >Uncompressing Linux...
>
> then
>
> >Now booting the kernel
>
> At this point a get a short row of red pixels at the top left of the screen and the machine hangs.
>
> I guess the video RAM is getting trampled on, but apart from that I'm stuck.
>
> Anyone else seen this, or can help?
>
> Do I need to reinitialise the RiscPC in some way?
> Do I need to partition or setup the HD in anyway to run this test?
> Is there some sort of RiscOS upgrade I need to make?
>
>
> Thanks in advance
> unsubscribe: body of `unsubscribe linux-arm' to majordomo@vger.rutgers.edu
>
Seems you're having the same problem as I did. Are you sure you have an
ARM710 fitted, not an ARM710a ???
There is no other way of finding out than to read the processor ID
register. This only works with machine code, so you should write a small
program to do this. Maybe I'll do this small task this weekend.
Here's what might happen:
The kernel tries to find out which processor it is running on even
before starting to actually boot the kernel. The ID register of an ARM710
contains &4100710x (x is the revision No.) that one of an ARM710 contains
&4104710x. This confuses the kernel and it refuses to boot.
Btw: 1.) It is useful to partition the hard disc BEFORE attempting to
install arm-linux 'cos the partition manager linux uses still doesn't write
partition tables.
2.) I've got an running kernel for ARM710a
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