>---------------------------------------------------------------------- > >Message: 1 >Date: Thu, 25 May 2006 01:02:01 +0900 >From: Joel Roth &lt;joelz(a)pobox.com&gt; >Subject: >To: linux-audio-user(a)music.columbia.edu >Message-ID: <20060524160201.GD7001@sprite> >Content-Type: text/plain; charset=iso-8859-1 > > > >>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. >>> >>> > >On Wed, May 24, 2006 at 07:44:59AM -0600, Hans Fugal wrote: > > >>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. >> >> > >That is a judgement call. > >For the former (under debian, not guaranteed, an example) > > apt-get initrd-tools > > mkinitrd -o /boot/initrd-img-2.6.16 2.6.16 > > Add an initrd line to GRUB or LILO > >For the latter (ditto, guaranteed not to work) > > > You need the appropriate disk drivers (IDE/ATA, for example) and > the > > appropriate file system(s) compiled in (ext3 for example). > > Here is a start, all the items containing EXT2, EXT3, IDE > but not VIDEO. > > Just change all the 'm' or 'not set' to 'y', append to > the end of .config, and compile. (Praying doesn't help, > but it might make you feel better. Pizza and beer are > also considered highly effective.) > > $ grep EXT3 /src/linux-2.6.16/.config > CONFIG_EXT3_FS=m > CONFIG_EXT3_FS_XATTR=y

thanks Joel, but that didn't work, I got the same error on reboot I've gone through and deleted all the vanilla kernel directories and will try to insert modules again as Hans suggested, if that doesn't work I'll try the initrd path hamish