Re: 2.6.0-test3 cannot mount root fs

From: Herbert Pötzl
Date: Mon Aug 11 2003 - 14:02:21 EST



Hi Norbert!

your config seems reasonable to me ...

> I tells me all the usual stuff concerning that it finds
> the controllers (VIA and HPT) and disks/cdroms, but than
> hangs with
> cannot mount rootfs "NULL" or hdb1

AFAIK, there is no such message in 2.6.0-test3 ...

if, on the other hand, the message looks like ...

-----------
VFS: Cannot open root device "hdb1" or unknown-block(0,0)
Please append a correct "root=" boot option
-----------

then this means that "hdb1" was the device given at
the kenel command line (as root=/dev/hdb1) and the
'unknown-block(0,0)' is the major/minor the kernel
recognized ...

you should pay special attention to the disc/partition
discovery done by the IDE subsystem ...

-----------
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 128KiB
hda: 65537 sectors (33 MB) w/256KiB Cache, CHS=65/16/63
hda: hda1
hdb: 131074 sectors (67 MB) w/256KiB Cache, CHS=130/16/63
hdb: hdb1 hdb2 hdb3
...
-----------

maybe you could attach a serial console (line)
and capture the boot process, and report it ...

HTH,
Herbert

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