Hi Cran,
OK. I can reproduce your build failure with GCC 6.1.0. We will take a look at 
it. Thank you report it.


Steven Shi
Intel\SSG\STO\UEFI Firmware

Tel: +86 021-61166522
iNet: 821-6522

> -----Original Message-----
> From: Bruce Cran [mailto:[email protected]]
> Sent: Friday, August 19, 2016 10:47 PM
> To: Shi, Steven <[email protected]>; Michael Zimmermann
> <[email protected]>
> Cc: edk2-devel-01 <[email protected]>
> Subject: Re: [edk2] OVMF not booting when built with GCC5 toolset?
> 
> On 8/19/2016 8:35 AM, Bruce Cran wrote:
> > When I built and ran it using the same commands (with the exception of
> > adding "-vnc :0" to the qemu cmdline) I got the same problem as
> > before, and serial.log contained just:
> >
> >
> SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C7
> 8SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C
> 78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202
> C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x3020
> 2C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x302
> 02C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30
> 202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x3
> 0202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x
> 30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0
> x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(
> 0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack
> (0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStac
> k(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithSta
> ck(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithSt
> ack(0x30202C78SecCoreStartupWithStack(0x30202C78
> >
> 
> Sorry, I'd added -O0 to the debug build flags to let me better debug
> code. With that removed, I now get the following in serial.log:
> 
> SecCoreStartupWithStack(0x0, 0x0)
> Register PPI Notify: <null guid>
> Install PPI: <null guid>
> Install PPI: <null guid>
> The 8519680th FV start address is 0x00000810248, size is 0xFFFD13C4,
> handle is 0x827F01
> Register PPI Notify: <null guid>
> Register PPI Notify: <null guid>
> Install PPI: <null guid>
> Install PPI: <null guid>
> Loading PEIM at 0x00000000000 EntryPoint=0x00000000000 <null string>
> SecCoreStartupWithStack(0xFFFFFFFF, 0xAE569B3A)
> Register PPI Notify: <null guid>
> SecCoreStartupWithStack(0xFFFFFFFF, 0xAE569B3A)
> Register PPI Notify: <null guid>
> SecCoreStartupWithStack(0xFFFFFFFF, 0xAE569B3A)
> Register PPI Notify: <null guid>
> SecCoreStartupWithStack(0xFFFFFFFF, 0xAE569B3A)
> Register PPI Notify: <null guid>
> SecCoreStartupWithStack(0xFFFFFFFF, 0xAE569B3A)
> Register PPI Notify: <null guid>
> 
> Those last 2 lines repeat about 100 times.
> 
> --
> Bruce

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