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 > > > > > Send instant messages to your online friends http://au.messenger.yahoo.com > -- Hans Fugal ; http://hans.fugal.net There's nothing remarkable about it. All one has to do is hit the right keys at the right time and the instrument plays itself. -- Johann Sebastian Bach
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