Re: [PATCH 4/4] [BROKEN] PPC: Activate UBSAN in testing

[Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>]

Hi Andrew,

On 2/7/25 6:02 PM, Andrew Cooper wrote:
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> ---
> CC: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>
> 
> This compiles, but something is up with the console and nothing useful comes
> out.

I tracked this down to ubsan tripping due to an unaligned access in
opal.c, before the serial console is set up. I'll be sending a patch set
soon to the ML with the fix for this to enable ubsan on PPC.

Thanks,
Shawn