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* OVMF not booting when built with GCC5 toolset?
@ 2016-08-18 16:15 Bruce Cran
  2016-08-18 16:57 ` Michael Zimmermann
  0 siblings, 1 reply; 11+ messages in thread
From: Bruce Cran @ 2016-08-18 16:15 UTC (permalink / raw)
  To: edk2-devel

I just tried building OVMF from git tip with the GCC5 toolset and the 
emulated vga display never got initialized.  Rebuilding with GCC49 worked.

Bruce



^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-18 16:15 OVMF not booting when built with GCC5 toolset? Bruce Cran
@ 2016-08-18 16:57 ` Michael Zimmermann
  2016-08-18 16:59   ` Bruce Cran
  0 siblings, 1 reply; 11+ messages in thread
From: Michael Zimmermann @ 2016-08-18 16:57 UTC (permalink / raw)
  To: Bruce Cran; +Cc: edk2-devel-01

IA32 or X64? I noticed that EmulatorPkg-X64 just produces a segfault when
booting. IA32 works just fine. I didn't try to use GCC49 yet.

Thanks
MIchael

On Thu, Aug 18, 2016 at 6:15 PM, Bruce Cran <bruce@cran.org.uk> wrote:

> I just tried building OVMF from git tip with the GCC5 toolset and the
> emulated vga display never got initialized.  Rebuilding with GCC49 worked.
>
> Bruce
>
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel
>


^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-18 16:57 ` Michael Zimmermann
@ 2016-08-18 16:59   ` Bruce Cran
  2016-08-19  2:08     ` Shi, Steven
  0 siblings, 1 reply; 11+ messages in thread
From: Bruce Cran @ 2016-08-18 16:59 UTC (permalink / raw)
  To: Michael Zimmermann; +Cc: edk2-devel-01

On 8/18/2016 10:57 AM, Michael Zimmermann wrote:
> IA32 or X64? I noticed that EmulatorPkg-X64 just produces a segfault 
> when booting. IA32 works just fine. I didn't try to use GCC49 yet.

X64 - both DEBUG and RELEASE.

Bruce


^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-18 16:59   ` Bruce Cran
@ 2016-08-19  2:08     ` Shi, Steven
  2016-08-19 14:35       ` Bruce Cran
  0 siblings, 1 reply; 11+ messages in thread
From: Shi, Steven @ 2016-08-19  2:08 UTC (permalink / raw)
  To: Bruce Cran, Michael Zimmermann; +Cc: edk2-devel-01

Hi Cran,

I build OVMF GCC X64 image, can boot Qemu into shell with below commands. I can enter shell, reconnect -r, exit to setup, and the vga display looks good to me. What build command did you use? 
 
build -t GCC5 -a X64  -p OvmfPkg/OvmfPkgX64.dsc -n 5 -b DEBUG -DDEBUG_ON_SERIAL_PORT
qemu-system-x86_64 -bios OVMF.fd -serial file:serial.log -m 4096 -hda fat:. -monitor stdio -s


Steven Shi
Intel\SSG\STO\UEFI Firmware

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


> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of
> Bruce Cran
> Sent: Friday, August 19, 2016 12:59 AM
> To: Michael Zimmermann <sigmaepsilon92@gmail.com>
> Cc: edk2-devel-01 <edk2-devel@lists.01.org>
> Subject: Re: [edk2] OVMF not booting when built with GCC5 toolset?
> 
> On 8/18/2016 10:57 AM, Michael Zimmermann wrote:
> > IA32 or X64? I noticed that EmulatorPkg-X64 just produces a segfault
> > when booting. IA32 works just fine. I didn't try to use GCC49 yet.
> 
> X64 - both DEBUG and RELEASE.
> 
> Bruce
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel


^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-19  2:08     ` Shi, Steven
@ 2016-08-19 14:35       ` Bruce Cran
  2016-08-19 14:46         ` Bruce Cran
  0 siblings, 1 reply; 11+ messages in thread
From: Bruce Cran @ 2016-08-19 14:35 UTC (permalink / raw)
  To: Shi, Steven, Michael Zimmermann; +Cc: edk2-devel-01

On 8/18/2016 8:08 PM, Shi, Steven wrote:
> I build OVMF GCC X64 image, can boot Qemu into shell with below commands. I can enter shell, reconnect -r, exit to setup, and the vga display looks good to me. What build command did you use?
>   
> build -t GCC5 -a X64  -p OvmfPkg/OvmfPkgX64.dsc -n 5 -b DEBUG -DDEBUG_ON_SERIAL_PORT
> qemu-system-x86_64 -bios OVMF.fd -serial file:serial.log -m 4096 -hda fat:. -monitor stdio -s

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(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78

The version of gcc I'm using is:

gcc version 6.1.1 20160707 [gcc-6-branch revision 238088] (SUSE Linux)

-- 
Bruce


^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-19 14:35       ` Bruce Cran
@ 2016-08-19 14:46         ` Bruce Cran
  2016-08-22  6:50           ` Shi, Steven
  0 siblings, 1 reply; 11+ messages in thread
From: Bruce Cran @ 2016-08-19 14:46 UTC (permalink / raw)
  To: Shi, Steven, Michael Zimmermann; +Cc: edk2-devel-01

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(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(0x30202C78SecCoreStartupWithStack(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



^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-19 14:46         ` Bruce Cran
@ 2016-08-22  6:50           ` Shi, Steven
  2016-08-23  8:10             ` Shi, Steven
  2016-08-23 10:49             ` Shi, Steven
  0 siblings, 2 replies; 11+ messages in thread
From: Shi, Steven @ 2016-08-22  6:50 UTC (permalink / raw)
  To: Bruce Cran, Michael Zimmermann; +Cc: edk2-devel-01

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:bruce@cran.org.uk]
> Sent: Friday, August 19, 2016 10:47 PM
> To: Shi, Steven <steven.shi@intel.com>; Michael Zimmermann
> <sigmaepsilon92@gmail.com>
> Cc: edk2-devel-01 <edk2-devel@lists.01.org>
> 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



^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-22  6:50           ` Shi, Steven
@ 2016-08-23  8:10             ` Shi, Steven
  2016-08-23 10:49             ` Shi, Steven
  1 sibling, 0 replies; 11+ messages in thread
From: Shi, Steven @ 2016-08-23  8:10 UTC (permalink / raw)
  To: 'Bruce Cran', 'Michael Zimmermann'
  Cc: 'edk2-devel-01'

Hi Cran,

This issue might be a GCC6 LTO regression bug, and I've filed a bug to GCC community as below. Please don't use the GCC6 with edk2 GCC5 toolchain for now, the GCC5 (gcc-5) should works.



https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77341

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50818





GCC6.10 lto fails to support below MS ABI buildin of va list, but GCC5 works. This is a regression bug for GCC6. I suspect current GCC trunk also has this regression bug.

  __builtin_ms_va_list ap;

  __builtin_ms_va_start (ap, n);

  __builtin_ms_va_end (ap);



Below is my testcase:

$cat test2.c



#include <stdio.h>



int

__attribute__((ms_abi))

foo (int n, ...)

{

  __builtin_ms_va_list ap;

  int sum = 0;



  __builtin_ms_va_start (ap, n);



  while (n--) {

    sum += __builtin_va_arg (ap, int);

    printf("sum = %d\n", sum);

  }

  __builtin_ms_va_end (ap);



  return sum;

}



int main ()

{

  int res = foo (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);



  if (res != 55)

    __builtin_abort ();



  return 0;

}

$ gcc --version

gcc (GCC) 6.1.0



$ gcc -flto -Os test2.c

$ ./a.out

Segmentation fault (core dumped)



$ gcc-5 -flto -Os test2.c

$ ./a.out

sum = 1

sum = 3

sum = 6

sum = 10

sum = 15

sum = 21

sum = 28

sum = 36

sum = 45

sum = 55







Steven Shi

Intel\SSG\STO\UEFI Firmware



Tel: +86 021-61166522

iNet: 821-6522






^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-22  6:50           ` Shi, Steven
  2016-08-23  8:10             ` Shi, Steven
@ 2016-08-23 10:49             ` Shi, Steven
  2016-08-29  6:45               ` Shi, Steven
  1 sibling, 1 reply; 11+ messages in thread
From: Shi, Steven @ 2016-08-23 10:49 UTC (permalink / raw)
  To: 'Bruce Cran', 'Michael Zimmermann'
  Cc: 'edk2-devel-01', Lu, Hongjiu

It's confirmed it is a GCC6 regression bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955


Steven Shi
Intel\SSG\STO\UEFI Firmware

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

From: Shi, Steven
Sent: Tuesday, August 23, 2016 4:10 PM
To: 'Bruce Cran' <bruce@cran.org.uk>; 'Michael Zimmermann' <sigmaepsilon92@gmail.com>
Cc: 'edk2-devel-01' <edk2-devel@lists.01.org>
Subject: RE: [edk2] OVMF not booting when built with GCC5 toolset?


Hi Cran,

This issue might be a GCC6 LTO regression bug, and I've filed a bug to GCC community as below. Please don't use the GCC6 with edk2 GCC5 toolchain for now, the GCC5 (gcc-5) should works.



https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77341

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50818





GCC6.10 lto fails to support below MS ABI buildin of va list, but GCC5 works. This is a regression bug for GCC6. I suspect current GCC trunk also has this regression bug.

  __builtin_ms_va_list ap;

  __builtin_ms_va_start (ap, n);

  __builtin_ms_va_end (ap);



Below is my testcase:

$cat test2.c



#include <stdio.h>



int

__attribute__((ms_abi))

foo (int n, ...)

{

  __builtin_ms_va_list ap;

  int sum = 0;



  __builtin_ms_va_start (ap, n);



  while (n--) {

    sum += __builtin_va_arg (ap, int);

    printf("sum = %d\n", sum);

  }

  __builtin_ms_va_end (ap);



  return sum;

}



int main ()

{

  int res = foo (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);



  if (res != 55)

    __builtin_abort ();



  return 0;

}

$ gcc --version

gcc (GCC) 6.1.0



$ gcc -flto -Os test2.c

$ ./a.out

Segmentation fault (core dumped)



$ gcc-5 -flto -Os test2.c

$ ./a.out

sum = 1

sum = 3

sum = 6

sum = 10

sum = 15

sum = 21

sum = 28

sum = 36

sum = 45

sum = 55







Steven Shi

Intel\SSG\STO\UEFI Firmware



Tel: +86 021-61166522

iNet: 821-6522






^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-23 10:49             ` Shi, Steven
@ 2016-08-29  6:45               ` Shi, Steven
  2016-08-29 16:53                 ` Bruce Cran
  0 siblings, 1 reply; 11+ messages in thread
From: Shi, Steven @ 2016-08-29  6:45 UTC (permalink / raw)
  To: 'Bruce Cran', 'Michael Zimmermann'
  Cc: 'edk2-devel-01', Lu, Hongjiu

Hi Cran,
This issue is just fixed in GCC main trunk. I tried below latest GCC trunk version and it can pass build the edk2 with GCC5 toolset. FYI.

$ gcc --version
gcc (GCC) 7.0.0 20160828 (experimental)


Steven Shi
Intel\SSG\STO\UEFI Firmware

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

From: Shi, Steven
Sent: Tuesday, August 23, 2016 6:49 PM
To: 'Bruce Cran' <bruce@cran.org.uk>; 'Michael Zimmermann' <sigmaepsilon92@gmail.com>
Cc: 'edk2-devel-01' <edk2-devel@lists.01.org>; Lu, Hongjiu <hongjiu.lu@intel.com>
Subject: RE: [edk2] OVMF not booting when built with GCC5 toolset?

It's confirmed it is a GCC6 regression bug:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955


Steven Shi
Intel\SSG\STO\UEFI Firmware

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

From: Shi, Steven
Sent: Tuesday, August 23, 2016 4:10 PM
To: 'Bruce Cran' <bruce@cran.org.uk<mailto:bruce@cran.org.uk>>; 'Michael Zimmermann' <sigmaepsilon92@gmail.com<mailto:sigmaepsilon92@gmail.com>>
Cc: 'edk2-devel-01' <edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org>>
Subject: RE: [edk2] OVMF not booting when built with GCC5 toolset?


Hi Cran,

This issue might be a GCC6 LTO regression bug, and I've filed a bug to GCC community as below. Please don't use the GCC6 with edk2 GCC5 toolchain for now, the GCC5 (gcc-5) should works.



https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77341

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50818





GCC6.10 lto fails to support below MS ABI buildin of va list, but GCC5 works. This is a regression bug for GCC6. I suspect current GCC trunk also has this regression bug.

  __builtin_ms_va_list ap;

  __builtin_ms_va_start (ap, n);

  __builtin_ms_va_end (ap);



Below is my testcase:

$cat test2.c



#include <stdio.h>



int

__attribute__((ms_abi))

foo (int n, ...)

{

  __builtin_ms_va_list ap;

  int sum = 0;



  __builtin_ms_va_start (ap, n);



  while (n--) {

    sum += __builtin_va_arg (ap, int);

    printf("sum = %d\n", sum);

  }

  __builtin_ms_va_end (ap);



  return sum;

}



int main ()

{

  int res = foo (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);



  if (res != 55)

    __builtin_abort ();



  return 0;

}

$ gcc --version

gcc (GCC) 6.1.0



$ gcc -flto -Os test2.c

$ ./a.out

Segmentation fault (core dumped)



$ gcc-5 -flto -Os test2.c

$ ./a.out

sum = 1

sum = 3

sum = 6

sum = 10

sum = 15

sum = 21

sum = 28

sum = 36

sum = 45

sum = 55







Steven Shi

Intel\SSG\STO\UEFI Firmware



Tel: +86 021-61166522

iNet: 821-6522






^ permalink raw reply	[flat|nested] 11+ messages in thread
* Re: OVMF not booting when built with GCC5 toolset?
  2016-08-29  6:45               ` Shi, Steven
@ 2016-08-29 16:53                 ` Bruce Cran
  0 siblings, 0 replies; 11+ messages in thread
From: Bruce Cran @ 2016-08-29 16:53 UTC (permalink / raw)
  To: Shi, Steven, 'Michael Zimmermann'
  Cc: 'edk2-devel-01', Lu, Hongjiu

On 8/29/2016 12:45 AM, Shi, Steven wrote:
> This issue is just fixed in GCC main trunk. I tried below latest GCC trunk version and it can pass build the edk2 with GCC5 toolset. FYI.

Thanks!

-- 
Bruce


^ permalink raw reply	[flat|nested] 11+ messages in thread
end of thread, other threads:[~2016-08-29 16:53 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-08-18 16:15 OVMF not booting when built with GCC5 toolset? Bruce Cran
2016-08-18 16:57 ` Michael Zimmermann
2016-08-18 16:59   ` Bruce Cran
2016-08-19  2:08     ` Shi, Steven
2016-08-19 14:35       ` Bruce Cran
2016-08-19 14:46         ` Bruce Cran
2016-08-22  6:50           ` Shi, Steven
2016-08-23  8:10             ` Shi, Steven
2016-08-23 10:49             ` Shi, Steven
2016-08-29  6:45               ` Shi, Steven
2016-08-29 16:53                 ` Bruce Cran

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