Re: Booting on RiscPC

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There is someone out there other than me still using this. :)

My subscription to the acorn32 mailing list seems to have lapsed but I 
happened to spot the message while browsing the list archives.
> 
> Using boot32 fails with Unknown OS_ReadSysInfo call because it's
> relying on a post-3.7 subcall. I'll look at fixing this.
> 
I cheated and commented out the call to get a working version. Its only 
needed on Kinetic RiscPCs to detect Kinetic setups.
> 
> I tried using BtNetBSD (the BASIC version) by altering the
> penultimate line in fastboot from:
> 
> 
> Set Alias$RunNetBSD <BtNetBSD$Dir>.boot32 <NetBSD$Kernel>
> <NetBSD$BootOptions>
> 
> to: Set Alias$RunNetBSD <BtNetBSD$Dir>.BtNetBSD <NetBSD$Kernel>
> <NetBSD$BootOptions>
> 
Let me know if you need working versions as I've still got them download 
from ages ago.

> I needed to alter the screen mode down to something like 800x600 to
> not get out-of-sync garbase on the screen (I use a custom 1680x1050
> mode). I also needed to comment out line 1740 ("SYS "OS_FSControl",
> 23) because of a non-responding IDE disk on my Simtec podule. The
> instkern kernel loaded, however it panicked early on:
> 
> panic: kernel diagnostic assertion "(ph->ph_nmissing <
> pp->pr_itemsperpage)" failed: file "/usr/src/sys/kern/subr_pool.c",
> line 893 pool_get: kmem-32: page empty
>
That's new. I clearly need to try an updated current kernel (I'm 
assuming this is current).

> The keyboard is also completely messed up at this point, so you can't
> type anything.
> 
> 
> I tried other kernel versions with slightly more success, but
> keyboard problems have been around for a long time:
> 
> netbsd-8 - booted, but
> no keyboard -current - booted, but panic after:
> 
> [   1.0000200] clock: hz=100 stathz = 0 profhz = 0 [   1.0000200]
> WARNING: delay(10000) took 0us [ 4294967296.7] panic: divide by 0
> 
I've attached the patches I used to get things booted. I did try to get 
them applied (at least to current) but nobody seemed to be paying 
attention. This implements a working delay (which solves the keyboard 
problem) and also fixes a bug that causes the kernel to panic when it 
takes its first interrupt.

Let me know if you want install kernels with the patches applied. I do 
have 8.0-STABLE builds from yesterday.

Mike

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