[parisc-linux] palo II

[Joel Soete]

Hi Bjoern,

Anoyed to change my fstab because I add or remove a disk to/from the external
scsi controler of my b2k (boot disk sda became sdb, sdc, or what else),
I decide so to test devfs kernel. It seems to works (excepted that I could
not specify root=/dev/scsi/host1/bus0/target5/lun0/part5)

Coming back to the actual pb with new palo:
the original ipl prompt is:
PALO(F0) partition contains:
    0/vmlinux32 3826722 bytes @ 0x44000

Information: No console specified on kernel command line. 
his is normal.
PALO will choose the console currently used by firmware (serial).Current
command line:
3/vmlinux-2.4.19-pre10-pa39-tsi root=/dev/sda5 HOME=/ console=ttyS0 TERM=vt102
 0: 3/vmlinux-2.4.19-pre10-pa39-tsi
 1: root=/dev/sda5
 2: HOME=/

 3: console=ttyS0
 4: TERM=vt102

which I would like to change in:
Current command line:
3/vmlinux-2.4.21-rc8-pa35-devfs root=/dev/scsi/host1/bus0/target5/lun0/part5
HOME=/ console=ttyS0 TERM=vt102
 0: 3/vmlinux-2.4.21-rc8-pa35-devfs
 1: root=/dev/scsi/host1/bus0/target5/lun0/part5
 2: HOME=/
 3: console=ttyS0
 4: TERM=vt102

Edit which field?
(or 'b' to boot with this command line)? b

Command line for kernel: 'root=/dev/scsi/host1/bus0/target5/lun0/part5 HOME=/
console=ttyS0 TERM=
t102 palo_kernel=3/vmlinux-2.4.21-rc8-pa35-devfs'
Selected kernel: /vmlinux-2.4.21-rc8-pa35-devfs from partition 3

the system hang here (just read on LCD "init c7ff")

(btw, there is no pb if I don't change root path and the final lenght of
cmd line is of 121 characters < 256 of buffer ??)

I so come back to palo-1.2 where the pb don't occure:
Command line for kernel: 'root=/dev/scsi/host1/bus0/target5/lun0/part5 HOME=/
console=ttyS0 TERM=vt102 palo_kernel=3/vmlinux-2.4.21-rc8-pa35-devfs'

Selected kernel: /vmlinux-2.4.21-rc8-pa35-devfs from partition 3
ELF32 executable
Entry 00100210 first 00100000 n 6
Segment 0 load 00100000 size 2101928 mediaptr 0x1000
[...]

Even thought later:
[...]
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "scsi/host1/bus0/target5/lun0/part5" or 02:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 02:00

Never the less, in the cmdln the root device seems to be well /dev/scsi/...
and here is just mentionned scsi/... (may be normal, don't know)?

Any idea (how to debug)?

Thanks in advance,
    Joel





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