1650 and VFS: unable to mount root fs

Jim Strong strong at colltech.com
Tue Dec 3 09:33:00 CST 2002


In 2.4.7 kernels (RH 7.2), there was a different version of the aacraid
driver.  In 7.3+, it uses Alan Cox's aacraid driver.
We had the same symptoms, this was caused by the following in
options aacraid aacraid_pciid=0x1028,0x0A,0x1028,0x011B

Remove the options line for aacraid, remake your initrd and try again
if this is the case.

jim strong

Lars Lindbom wrote:
> Hello,
> I've got a 1650 that refuses to boot kernels compiled from vanilla 2.4.18,
> 19 and 20 source code. I have looked through the archives of this list but
> haven't found any solution to my problem, but I might have missed a thread
> dealing with it so please point me to it if so.
> I have RH 8.0 installed and it boots fine from the default and updated
> kernels but I want to run openMOSIX and need to patch a vanilla kernel
> source for this. The problem is that even with a non-patched vanilla
> kernel, the 1650 hangs during boot with
> VFS: Cannot open root device "LABEL=/" or 00:00
> Please append a correct "root=" boot option
> Kernel panic: VFS: unable to mount root fs on 00:00
> as last message lines.
> Boot loader: grub
> example grub configuration:
> title Linux (2.4.19)
>         root (hd0,2)
>         kernel /vmlinuz-2.4.19 ro root=LABEL=/
>         initrd /initrd-2.4.19.img
> title Red Hat Linux (2.4.18-14smp)
>         root (hd0,2)
>         kernel /vmlinuz-2.4.18-14smp ro root=LABEL=/
>         initrd /initrd-2.4.18-14smp.img
> Alterations to default vanilla setup are: ext3 enabled, aic7xxx as module
> and e1000 as module in 2.4.20 (where it is available).
> I might have missed something obvious here, but I've tried a _lot_ to
> solve this so any help is really appreciated.
> Any suggestions?
> Lars

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