Subj : Re: kernel panic booting problem ! To : comp.os.linux From : Larry I Smith Date : Mon Aug 09 2004 08:30 pm wilson.huang@gmail.com wrote: > no, i have only 1 HD IDE.. i donīt know why linux maps my hd to hdg.. > maybe cause i have more than 4 ide controllers.. and raid too(although > iīm not using) > I guess this shouldnīt be the problem.. > > > Larry I Smith wrote in message news:<7ZARc.6444$114.1038@nwrddc02.gnilink.net>... > >>wilson.huang@gmail.com wrote: >> >>>hello all, >>> >>> iīm installing gentoo dist. and iīm having the following problem >>>when i boot: >>> >>>VFS: cannot open root device "2208" or unknown block(34,8) >>>Please append a correct "root" boot option >>>Kernel panic: VFS: Unable to mount root fs on unknown block(34,8) >>> >>>info: /dev/hdg6 is my /boot on ext2 >>> /dev/hdg7 is my swap >>> /dev/hdg8 is my root on ext3 >>> >>>my root boot option in lilo conf is correct, root=/dev/hdg8, my fstab >>>is also correct.. Iīve showed to half a dozen people.. and they all >>>couldnīt find out what it is. I did compile the kernel to support >>>ext3 and ext2, and i didnīt do it as a module. >>> >>>Someone told me i had to make an image on boot.. is that right ? how >>>do i do it ? >>> >>> >>>any tips on how to resolve this problem ? >>> >>>tks in advance, >>>Wilson >> >>You have 7 IDE hard drives (hda thru hdg)?? >> >>Larry I'm guessing this is the problem. If you only have one IDE disk, then: a) ensure that the machine's BIOS setup lists that single IDE disk first in the hard disk scan order. b) it should be mapped to 'hda' in Linux, not 'hdg' (in lilo and fstab). Did you have additional IDE drives in the machine at one time? If you did, then the HD scan order in the BIOS may be incorrect (the old non-existent drives may still be listed) - that might cause Linux to assign 'hdg' to the one existing HD. I've seen this problem several times. Based on the BIOS settings, Linux really does think you have 7 HD's and it is trying to access the 7th HD - but that drive does not exist. Regards, Larry -- Anti-spam address, change each 'X' to '.' to reply directly. .