On Wed, 2005-05-18 at 11:31 +0200, Serge Noiraud wrote:
> The kernel with the realtime-preempt-2.6.12-rc4-V0.7.47-03 patch works
> well on IDE.
> I have a cannot open root device at boot on two machines ( i386 ) with
> aic79xx or LSI controler.
> If I suppress the realtime patch, it works.
> I tried to set different options for realtime without success.
[...]
> During boot the following error occurs :
> ...
> VFS: Cannot open root device "0806" or unknown-block(8,6)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(8,6)
>
> Any idea ?
This looks like the same error you would get if these drivers were
compiled as modules and not placed in the initrd. The RT patch adds the
-V0.7.47-03 to the version of the kernel so the modules do get loaded
into a different /lib/modules directory and should have a different
initrd file. Make sure that your initrd is correct, or just compile the
necessary modules into the kernel (not as modules).
-- Steve
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