Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-15 Thread Mohammed Gamal
On Wed, May 14, 2008 at 10:29 AM, Guillaume Thouvenin <[EMAIL PROTECTED]> wrote: > On Tue, 6 May 2008 20:05:39 +0300 > "Mohammed Gamal" <[EMAIL PROTECTED]> wrote: > > >> > > > WinXP fails with the patch applied too. Ubuntu 7.10 live CD and >> > > > FreeDOS don't boot but complain about instruction

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-15 Thread Guillaume Thouvenin
On Thu, 15 May 2008 10:33:38 +0300 Avi Kivity <[EMAIL PROTECTED]> wrote: > Marcelo Tosatti wrote: > > 1) add is storing the result in the wrong register > > > > 6486: 66 64 89 3e 72 01 mov%edi,%fs:0x172 > > 648c: 66 be 8d 03 00 00 mov$0x38d,%esi > > 6492

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-15 Thread Avi Kivity
Marcelo Tosatti wrote: > 1) add is storing the result in the wrong register > > 6486: 66 64 89 3e 72 01 mov%edi,%fs:0x172 > 648c: 66 be 8d 03 00 00 mov$0x38d,%esi > 6492: 66 c1 e6 04 shl$0x4,%esi > 6496: 66 b8 98 0a 00 00

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-14 Thread Marcelo Tosatti
Hi Guillaume, On Wed, May 14, 2008 at 09:29:11AM +0200, Guillaume Thouvenin wrote: > On Tue, 6 May 2008 20:05:39 +0300 > "Mohammed Gamal" <[EMAIL PROTECTED]> wrote: > > > > > > > WinXP fails with the patch applied too. Ubuntu 7.10 live CD and > > > > > FreeDOS don't boot but complain about instr

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-14 Thread Guillaume Thouvenin
On Tue, 6 May 2008 20:05:39 +0300 "Mohammed Gamal" <[EMAIL PROTECTED]> wrote: > > > > WinXP fails with the patch applied too. Ubuntu 7.10 live CD and > > > > FreeDOS don't boot but complain about instruction mov 0x11,sreg not > > > > being emulated. Mohammed, can you try the patch at the end of

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-06 Thread Guillaume Thouvenin
On Tue, 06 May 2008 09:30:44 -0500 Anthony Liguori <[EMAIL PROTECTED]> wrote: > > 8.04 is not a good test-case. 7.10 is what you want to try. Oh yes you're right. I tried 8.04 because Balaji had problems to boot it with the patch. > The good news is, 7.10 appears to work! The bad news is th

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-06 Thread Mohammed Gamal
On Tue, May 6, 2008 at 5:30 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote: > Guillaume Thouvenin wrote: > > > On Mon, 5 May 2008 16:29:21 +0300 > > "Mohammed Gamal" <[EMAIL PROTECTED]> wrote: > > > > > > > > > On Mon, May 5, 2008 at 3:57 PM, Anthony Liguori <[EMAIL PROTECTED]> > wrote: > > > > > >

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-06 Thread Anthony Liguori
Guillaume Thouvenin wrote: > On Mon, 5 May 2008 16:29:21 +0300 > "Mohammed Gamal" <[EMAIL PROTECTED]> wrote: > > >> On Mon, May 5, 2008 at 3:57 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote: >> >> >>> WinXP fails to boot with your patch applied too. FWIW, Ubuntu 8.04 has >>> a fixed vers

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-06 Thread Guillaume Thouvenin
On Mon, 5 May 2008 16:29:21 +0300 "Mohammed Gamal" <[EMAIL PROTECTED]> wrote: > On Mon, May 5, 2008 at 3:57 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote: > > > WinXP fails to boot with your patch applied too. FWIW, Ubuntu 8.04 has > > a fixed version of gfxboot that doesn't do nasty things wi

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-05 Thread Mohammed Gamal
On Mon, May 5, 2008 at 3:57 PM, Anthony Liguori <[EMAIL PROTECTED]> wrote: > WinXP fails to boot with your patch applied too. FWIW, Ubuntu 8.04 has > a fixed version of gfxboot that doesn't do nasty things with SS on > privileged mode transitions. > WinXP fails with the patch applied too. Ubun

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-05 Thread Anthony Liguori
Guillaume Thouvenin wrote: > On Sat, 3 May 2008 13:56:56 +0530 > Balaji Rao <[EMAIL PROTECTED]> wrote: > > > >> With your patch applied ubuntu 8.04 livecd fails to boot. Not any better >> with Marcelo's patch on top. >> > > Hi Balaji, > > And without the patch, can you boot the ubuntu 8

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-05 Thread Balaji Rao
On Monday 05 May 2008 06:10:08 pm Guillaume Thouvenin wrote: > On Sat, 3 May 2008 13:56:56 +0530 > > Balaji Rao <[EMAIL PROTECTED]> wrote: > > With your patch applied ubuntu 8.04 livecd fails to boot. Not any better > > with Marcelo's patch on top. > > Hi Balaji, > > And without the patch, can you

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-05 Thread Guillaume Thouvenin
On Sat, 3 May 2008 13:56:56 +0530 Balaji Rao <[EMAIL PROTECTED]> wrote: > With your patch applied ubuntu 8.04 livecd fails to boot. Not any better > with Marcelo's patch on top. Hi Balaji, And without the patch, can you boot the ubuntu 8.04 livecd? Regards, Guillaume -

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-04 Thread Guillaume Thouvenin
On Thu, 1 May 2008 16:13:31 -0300 Marcelo Tosatti <[EMAIL PROTECTED]> wrote: > The code sequence is: > > 8235: 66 data16 > 8236: 0f 22 c0mov%eax,%cr0 > 8239: ea 3e 02 00 08 b8 00ljmp $0xb8,$0x800023e > > So it switches

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-03 Thread Balaji Rao
On Friday 02 May 2008 12:43:31 am Marcelo Tosatti wrote: Hi Guillaume, With your patch applied ubuntu 8.04 livecd fails to boot. Not any better with Marcelo's patch on top. exception 13 (33) rax 007f rbx 0080 rcx rdx rsi 0005a81

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-05-01 Thread Marcelo Tosatti
Hi Guillaume, On Tue, Apr 29, 2008 at 03:02:36PM +0200, Guillaume Thouvenin wrote: > Hello, > -hda ~/disk_images/hd_50G.qcow2 > -cdrom /images_iso/openSUSE-10.3-GM-x86_64-mini.iso -boot d -s -m 1024 > > exception 13 (33) > rax 0673 rbx 0080 rcx > rdx

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread Avi Kivity
Laurent Vivier wrote: >> Why dst.val is not 0x53e10 ? >> > > I can answer myself to this one: > > emulate_2op_SrcB("sal", c->src, c->dst, ctxt->eflags); > > does nothing if dst.byte == 0 > > So next question is the good question... > > >> Why dst.byte is 0 ? >> >> Because dst.by

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread Anthony Liguori
Laurent Vivier wrote: > Le mardi 29 avril 2008 à 11:41 -0500, Anthony Liguori a écrit : > >> Guillaume Thouvenin wrote: >> >>> Hello, >>> >>> This patch should solve the problem observed during protected mode >>> transitions that appears for example during the installation of >>> openSuse-

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread Anthony Liguori
Guillaume Thouvenin wrote: > Hello, > > It's strange because handle_vmentry_failure() is not called. I'm trying > to see where is the problem, any comments are welcome > [ 979.761321] handle_exception: unexpected, vectoring info 0x8306 intr info 0x8b0d Is the error I'm seeing. Regar

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread Laurent Vivier
Le mardi 29 avril 2008 à 19:09 +0200, Laurent Vivier a écrit : > Le mardi 29 avril 2008 à 11:41 -0500, Anthony Liguori a écrit : > > Guillaume Thouvenin wrote: > > > Hello, > > > > > > This patch should solve the problem observed during protected mode > > > transitions that appears for example du

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread Laurent Vivier
Le mardi 29 avril 2008 à 11:41 -0500, Anthony Liguori a écrit : > Guillaume Thouvenin wrote: > > Hello, > > > > This patch should solve the problem observed during protected mode > > transitions that appears for example during the installation of > > openSuse-10.3. Unfortunately there is an issue

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread David Mair
Guillaume Thouvenin wrote: > Hello, > > This patch should solve the problem observed during protected mode > transitions that appears for example during the installation of > openSuse-10.3. Unfortunately there is an issue that crashes > kvm-userspace. I'm not sure if it's a problem introduced by

Re: [kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread Anthony Liguori
Guillaume Thouvenin wrote: > Hello, > > This patch should solve the problem observed during protected mode > transitions that appears for example during the installation of > openSuse-10.3. Unfortunately there is an issue that crashes > kvm-userspace. I'm not sure if it's a problem introduced by t

[kvm-devel] Protected mode transitions and big real mode... still an issue

2008-04-29 Thread Guillaume Thouvenin
Hello, This patch should solve the problem observed during protected mode transitions that appears for example during the installation of openSuse-10.3. Unfortunately there is an issue that crashes kvm-userspace. I'm not sure if it's a problem introduced by the patch or if the patch is good and r