[ipxe-devel] - uuid mangle does not show correctly for my hp elitebook 8440p

Michael Brown mcb30 at ipxe.org
Mon Aug 3 13:22:01 UTC 2015

On 25/07/15 11:07, Robin Smidsrød wrote:
> On 22.07.2015 11:45, Torgeir.Wulfsberg at kongsberg.com wrote:
>> I have an HP Elitebook 8440p, where iPXE does not display the correct UUID for this machine. Searching through the ipxe git repo, I've located this commit.
>> https://git.ipxe.org/ipxe.git/commitdiff/9e896d0eeaa07d47b2bed4c92072fd638ce3eb55
>> Anything before this commit, and iPXE does show the correct UUID for my 8440p.
>> Correct UUID from BIOS:
>> 00112233-4455-6677-8899-aabbccddeeff
>> iPXE displays it like this:
>> 33221100-5544-7766-8899-aabbccddeeff
> I think maybe the OEM didn't adhere to the SMBIOS spec changes in 2.6
> about the endianness, as stated in the commit, and they just copied data
> from an old configuration entry. That's my guess. That's probably why
> you're having the issue.

Could you please provide the output from:

   show uuid
   show uuid:hex

and after booting Linux on the same system:

   sudo dmidecode
   sudo dmidecode -u

You can send these to me directly if you're worried about posting 
identifying information in public.



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