On 11/16/2010 03:19 PM, Alexander Graf wrote:
Rewriting it to use inb / stos works (jecxz ; insb; loop doesn't) so it
looks like a kernel bug in insb emulation.
Turns out is was a subtle bug in the tpr optimization we do for Windows XP.
The problem happens when we load the vapic
On 11/16/2010 04:17 PM, Alexander Graf wrote:
On 16.11.2010, at 15:15, Avi Kivity wrote:
On 11/16/2010 03:19 PM, Alexander Graf wrote:
Rewriting it to use inb / stos works (jecxz ; insb; loop doesn't) so
it looks like a kernel bug in insb emulation.
Turns out is was a
On 11/16/2010 02:18 AM, Kevin O'Connor wrote:
Rewriting it to use inb / stos works (jecxz ; insb; loop doesn't) so
it looks like a kernel bug in insb emulation.
Ughh. I can revert that change on stable-0.6.1 if needed.
kernel bug - kernel fix. SeaBIOS should feel free to use any
On 11/15/2010 06:09 PM, Avi Kivity wrote:
On 11/15/2010 05:49 PM, Avi Kivity wrote:
On 11/15/2010 05:41 PM, Avi Kivity wrote:
I think it's a miscompile.
out/code16.o:
1a4: 3e ds
1a5: 6c insb (%dx),%es:(%edi)
Note no 66 prefix.
It isn't,
On 16.11.2010, at 11:47, Avi Kivity wrote:
On 11/15/2010 06:09 PM, Avi Kivity wrote:
On 11/15/2010 05:49 PM, Avi Kivity wrote:
On 11/15/2010 05:41 PM, Avi Kivity wrote:
I think it's a miscompile.
out/code16.o:
1a4: 3e ds
1a5: 6c insb
On 16.11.2010, at 15:15, Avi Kivity wrote:
On 11/16/2010 03:19 PM, Alexander Graf wrote:
Rewriting it to use inb / stos works (jecxz ; insb; loop doesn't) so it
looks like a kernel bug in insb emulation.
Turns out is was a subtle bug in the tpr optimization we do for Windows
Installing Windows XP with seabios 0.6.1, immediately after the first
reboot, Windows hangs in protected mode instead of proceeding with
installation.
I'm bisecting this, but if anyone can point to a likely culprit, I can
try it first.
--
error compiling committee.c: too many arguments to
On 11/15/2010 03:39 PM, Avi Kivity wrote:
Installing Windows XP with seabios 0.6.1, immediately after the first
reboot, Windows hangs in protected mode instead of proceeding with
installation.
I'm bisecting this, but if anyone can point to a likely culprit, I can
try it first.
Bisect
On 11/15/2010 05:04 PM, Avi Kivity wrote:
On 11/15/2010 03:39 PM, Avi Kivity wrote:
Installing Windows XP with seabios 0.6.1, immediately after the first
reboot, Windows hangs in protected mode instead of proceeding with
installation.
I'm bisecting this, but if anyone can point to a likely
On 11/15/2010 05:12 PM, Avi Kivity wrote:
That was premature, the real culprit (if I didn't mess up the bisect) is:
commit 6039fc55274deb7202060d08e0f23b9f3dcface4
Author: Kevin O'Connor ke...@koconnor.net
Date: Wed Aug 25 21:43:19 2010 -0400
Update qemu_cfg_read to use rep insb.
On 11/15/2010 05:34 PM, Avi Kivity wrote:
On 11/15/2010 05:12 PM, Avi Kivity wrote:
That was premature, the real culprit (if I didn't mess up the bisect)
is:
commit 6039fc55274deb7202060d08e0f23b9f3dcface4
Author: Kevin O'Connor ke...@koconnor.net
Date: Wed Aug 25 21:43:19 2010 -0400
On 11/15/2010 05:41 PM, Avi Kivity wrote:
I think it's a miscompile.
out/code16.o:
1a4: 3e ds
1a5: 6c insb (%dx),%es:(%edi)
Note no 66 prefix.
It isn't, that was random crap. All the insb() code is 32-bit.
--
error compiling committee.c:
On 11/15/2010 05:49 PM, Avi Kivity wrote:
On 11/15/2010 05:41 PM, Avi Kivity wrote:
I think it's a miscompile.
out/code16.o:
1a4: 3e ds
1a5: 6c insb (%dx),%es:(%edi)
Note no 66 prefix.
It isn't, that was random crap. All the insb() code
On Mon, Nov 15, 2010 at 06:09:45PM +0200, Avi Kivity wrote:
On 11/15/2010 05:49 PM, Avi Kivity wrote:
On 11/15/2010 05:41 PM, Avi Kivity wrote:
I think it's a miscompile.
out/code16.o:
1a4: 3e ds
1a5: 6c insb (%dx),%es:(%edi)
Note no
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