[syslinux] Conditional kernel selection based on CPUID/DMI info
Jeffrey Hutzelman
jhutz at cmu.edu
Tue Jan 29 18:48:59 PST 2008
--On Tuesday, January 29, 2008 06:30:52 PM -0800 "H. Peter Anvin"
<hpa at zytor.com> wrote:
> Jeffrey Hutzelman wrote:
>>
>> Yes, that's the one. Note that while the issue was introduced in A11
>> and Dell said the issue _would be_ fixed in A12, no such version was
>> ever released. We're a little behind, but not much -- the problem
>> occurs with 3.53, and as I mentioned, also with the memdisk in that
>> version. At some point I'll try something newer, but that requires
>> forward-porting a patch I have yet to send you, and I haven't found the
>> time to look at it.
>>
>
> The implication was, though, that downgrading to A10 should work as
> well. Don't know what other issues that would introduce, though.
Right, and that's exactly what we do -- the script I feed to bioschk.cbt
checks for this particular BIOS, and if you have it, offers to boot a BIOS
updater that will downgrade you to A10. Otherwise it runs menu.c32 as
usual.
> It would be nice to figure out a workaround, but it's almost impossible
> without access to a specimen.
I agree. I have such a box I can use for testing, but no easy way to
provide remote access to its console. And while I can spend some of my own
time on the issue, I doubt my employer will be interested in shipping you
the box. :-)
-- Jeff
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