Optimization flags lead to not working loader.efi

[Dominik Zajac]

Hi Harry,

thanks for pointing me to these threads. I will investigate as far as I
can with my knowledge on that. If there is something to test or someone
needs further information how to reproduce this I am happy to help.

Regards,

Dominik





On 09/01/15 10:30, Harald Schmalzbauer wrote:
>  Bezüglich Dominik Zajac's Nachricht vom 08.01.2015 19:30 (localtime):
>> Hi,
>>
>> while testing on my workstation I had some optimizations flags in
>> place while I did buildword of 10-STABLE.
>>
>> The system failed to boot because of a not working loader.efi
>> I replaced the loader.efi with the one from the STABLE snapshot media
>> and the sytem loaded up correctly and worked as I could see.
>>
>> To verify I removed all custom flags from my make.conf and rebuilt
>> world again which leads to a fully working system again.
>>
>> Not sure if its a real bug or needs some more investigation.
> This would really need more investigation, it's been discussed some time
> ago here:
> https://lists.freebsd.org/pipermail/freebsd-current/2014-September/052345.html
>
> But there are other oddities with core-avx2 optimization, like discussed
> here:
> https://lists.freebsd.org/pipermail/freebsd-stable/2014-December/081382.html
>
> Unfortunately I don't have enough compiler knowledge, nor even enough
> time at the moment to do anything helpful, just link to answers I'll
> track as soon as possible:
> https://lists.freebsd.org/pipermail/freebsd-current/2014-September/052354.html
> Bug Report:
> https://lists.freebsd.org/pipermail/freebsd-current/2014-November/053110.html
>
> -Harry
>