24 May
2006
24 May
'06
9:45 a.m.
Your problem is that stock kernels usually use an initrd, but when you
compile by hand you aren't setting up the initrd. You can either grok
initrd, or compile a few more things into the kernel instead of as
modules. Needless to say the latter is by far easier.
You need the appropriate disk drivers (IDE/ATA, for example) and the
appropriate file system(s) compiled in (ext3 for example).
On Wed, 24 May 2006 at 11:25 +1200, Hamish Low wrote:
Firstly thanks to Asbjørn, Lee, Tim and others who
have given me advice
so far.
I tried using Asbjørn's vanilla kernel but it didn't work as our laptops
are different, but your config settings were a good guide.
I downloaded the source package for 2.6.16
I did make oldconfig, to use the config already working on my machine
(just without the VXpocket support), I tried compiling the kernel as per
the instructions on the Demudi page
<http://demudi.agnula.org/wiki/Low-latencyKernelBuildingHowto>, and by
referencing Asbjørn's config settings
Lee had written that CONFIG_ISAPNP must be enabled, but this wasn't an
option that I could choose in menuconfig, there was just a hyphen beside
this option, also this wasn't enabled in Asbjørn's settings which
reportedly works.
but got this error message on reboot
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
I assume this means I didn't have the exact settings configured for my
laptop.
So then I put the result of lspci -v into http://kmuto.jp/debian/hcl/
0000:00:00.0 0600: 8086:3340 (rev 21)
0000:00:01.0 0604: 8086:3341 (rev 21)
0000:00:1d.0 0c03: 8086:24c2 (rev 03)
0000:00:1d.1 0c03: 8086:24c4 (rev 03)
0000:00:1d.2 0c03: 8086:24c7 (rev 03)
0000:00:1d.7 0c03: 8086:24cd (rev 03)
0000:00:1e.0 0604: 8086:2448 (rev 83)
0000:00:1f.0 0601: 8086:24cc (rev 03)
0000:00:1f.1 0101: 8086:24ca (rev 03)
0000:00:1f.5 0401: 8086:24c5 (rev 03)
0000:00:1f.6 0703: 8086:24c6 (rev 03)
0000:01:00.0 0300: 1002:4e50
0000:02:08.0 0200: 8086:1039 (rev 83)
0000:02:09.0 0280: 8086:4223 (rev 05)
0000:02:0a.0 0607: 1180:0475 (rev b8)
0000:02:0a.1 0c00: 1180:0551
and it requires the intel-agp driver, which reportedly works
80863340 Yes Intel Corporation 82855PM Processor to I/O
Controller intel-agp
in the Configuration Archive I couldn't find any kernel on any architecture
where this can be enabled.
Anyway then I tried to rebuild the package with initrd, as I got the
impression from the Demudi page that though building a fatter kernel, at
least my machine would reboot
unfortunately this couldn't be built because yaird, or intramfs-tools or
linux-intramafs-tool were not previously installed, and I don't seem to be
able to install them, either with apt-get or synaptic, as some list is
locked/unlocked
so a few questions - can I salvage things at this point or do I have to
start over from a fresh install?
what did I do wrong and how can avoid similar problems happening again?
am I going about this the right way, should i be using initrd?
I hadn't got around to installing the VXpocket firmware - though I don't
think this was the problem, when booting into the new kernel Alsa couldn't
find the soundcard, though I assume it would be solved after the firmware
was installed.
As much as I enjoy re-compiling and re-installing over and over again, I
rather be making some music - thanks in advance
peace
Hamish
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