Custom DSDT Table in the fedora kernel at boot time
Dominik 'Rathann' Mierzejewski
dominik at greysector.net
Tue Jun 24 17:20:46 UTC 2008
Hi,
On Tuesday, 24 June 2008 at 18:05, Joshua C. wrote:
> I had a serios problems with my bios and at the end it was the dsdt
> table that was broken. this gave me alot of kernel panics untill i
> figured it out. Now I have to recompile the kernel every time a new
> one goes out in order to put in my custom dsdt table and enable it.
> this takes about 30 min and I cannot use any of the devel kernels.
>
> There is, however, a kernel patch at gaugusch.at/kernel.shtml which
> enables the kernel to load a custom dsdt table from the initrd. and
> this is alot faster than the previous method with the kernel
> recompilation.
>
> Will it be possible for this patch to go in the mainstream fedora
> kernel?
This has already been discussed and the answer was no:
https://bugzilla.redhat.com/show_bug.cgi?id=110511
https://bugzilla.redhat.com/show_bug.cgi?id=140215
https://bugzilla.redhat.com/show_bug.cgi?id=169014
Actually these bug reports should be marked as duplicates.
> Some other distros are using it and I don't see any reason why
> fedora shouldn't use it either. I know this kind of tainting the
> kernel is "dangerous" but it is the only way for user (like me)
> with broken bios/dsdt table to run their kernels. And because lots
> of bioses are tested only on windows there are no other way than
> inserting a custom dsdt for linux.
>
> Any sugestions or downsides of this method that can prove the
> exclusion of this patch from the mainstream fedora kernel?
Quoting Dave Jones (https://bugzilla.redhat.com/show_bug.cgi?id=169014#c2):
| I've already explained this several times already.
| The only way this is going into the fedora kernel is via upstream.
| If users start manipulating their DSDTs, and getting panics etc, they file bugs
| here, and would 'neglect' to say how they hacked their dsdt's
| It's a support nightmare waiting to happen.
So there you go.
Regards,
R.
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