[OE-core] [PATCH 1/1] python: gcc optimization level 2

[Khem Raj]

> On Dec 2, 2015, at 2:28 AM, Hongxu Jia <hongxu.jia at windriver.com> wrote:
> 
> On 12/02/2015 05:57 PM, Burton, Ross wrote:
>> 
>> On 2 December 2015 at 09:51, Hongxu Jia <hongxu.jia at windriver.com <mailto:hongxu.jia at windriver.com>> wrote:
>> The root cause is the qemu didn't support gcc optimization level 3 very well.
>> 
>> Oh, so the problem only appears in qemu if you enable tuning that is known to be broken in qemu?
> 
> Yes, since I tested qemux86/qemux86-64 with default tune, and everything is ok.
> 
>> I don't think we should apply the Python workaround to oe-core as everyone will suffer for a configuration that is known to be broken (and isn't enabled in oe-core).
> 
> Trace the issue costs a lot of time,  the original failure was invoking
> 'smart update' in qemu, and found out the python md5/sha checksum
> output incorrect, and then found out qemu86-64 with corei7-64 did
> not support gcc optimization level 3 '-O3' very well [YOCTO #8748]
> 
> BTW, boot the same image with virtualbox, everything is ok
> 

This is a Qemu bug, So it should be persued in that direction. Secondly, this patch should be applied only
for emulator BSPs and not across the board

> //Hongxu
> 
>> 
>> Ross
> 
> --
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org
> http://lists.openembedded.org/mailman/listinfo/openembedded-core

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openembedded.org/pipermail/openembedded-core/attachments/20151207/e5363093/attachment-0002.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 204 bytes
Desc: Message signed with OpenPGP using GPGMail
URL: <http://lists.openembedded.org/pipermail/openembedded-core/attachments/20151207/e5363093/attachment-0002.sig>