Screen garbled - Was :Re: Kernel panic : VFS : unable to mount root fs
Hi again,
--- Chris Tillman <tillman@voicetrak.com> wrote:
> On Sat, Oct 26, 2002 at 04:56:56AM -0700, Johan en
> Katrien Dewaele wrote:
> > Hi people,
> > I need your help/advice on this one : I'm a newbie
> in
> > this PPC-Linux thing.
> >
> > I acquired this old Mac PPC 4400/200
> > wants to mount root fs I get following error :
> > Kernel panic: VFS: Unable to mount root fs on
> 03:40.
> > Rebooting in 180 seconds.
> >
> Thanks for applying all the wisdom available in the
> manual and so on
> before writing!
yes it's great. ;-)
> But with your current setup, it's apparent that it's
> only the file
> system it's having a problem with; BootX has
> suceessfully launched
> linux, and the partitions are correctly detected. So
> it seems unlikely
> another booting system will help that. One thing to
> try is to just run
> e2fsck /dev/hdb from within the installer shell.
e2fsck-ed the partition : checks out clean.
Changed strategy : put my Linux-disk on ide0 - and
redid install so I could go with quik.
Now I have another problem :
When boot-floppy boots I get a nice screenoutput with
the penguin on top : kernel detects following (dmesg
output) :
MacOs display is /bandit/ATY,264VT
Using unsupported 640x480 ATY,264VT at 81800480,
depth=8, pitch=640
Console: switching to colour frame buffer device 80x30
fb0: Open Firmware frame buffer device on
/bandit/ATY,264VT
etc...
When I reboot (during the install, after making
harddisk bootable) I get no(or garbled) screen-output.
I've tried different combinations of c -and vmode with
video=atyfb. With following combinations i get output
but it is scrolling fast/garbled and not usable. :
vmode:6,cmode:8
5 8
14 1
I can see through the "waves" that the installer tries
to continue the install.
Replaced atyfb with offb and ofonly : no go.
So : I guess I got some wrong parameters in the PRAM
and/or quik.conf. What combination/frame buffer does
the boot-floppy use ? Can anybody shed a light ?
This is what I've put in PRAM with nvsetenv:
little-endian false
real-mode false
auto-boot true
diag-switch false
fcode-debug false
oem-banner false
oem-logo false
use-nvramrc false
real-base 0xffffffff
real-size 0x100000
virt-base 0xffffffff
virt-size 0x100000
load-base 0x600000
pci-probe-list 0xffffffff
screen-#columns 0x64
screen-#rows 0x28
selftest-#megs 0x0
boot-device ata/ata-disk@0:0
boot-file ata/ata-disk@0:2/vmlinux
video=atyfb:vmode:5,cmode:8
diag-device fd-diags
diag-file
input-device kbd
output-device /bandit/ATY,264VT
oem-banner
oem-logo
nvramrc
boot-command begin ['] boot catch 1000 ms cr again
quik.conf:
default=Linux
timeout=100
root=/dev/hda2
partition=2
image=/vmlinux
append="video=atyfb:vmode:5,cmode:8"
label=Linux
read-only
TIA
johan
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