[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

I assume this has been completely fixed in edk2, so I'm closing this QEMU bug now. ** Changed in: qemu Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

See also LP#1725560. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on qemu 2.10 (works on 2.9) Status in QEMU: Fix Committed Bug description: Qemu

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

edk2 commit range: b68c793144e8..947f3737abf6. ** Changed in: qemu Status: New => Fix Committed -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Posted: [edk2] [PATCH 0/3] OvmfPkg/QemuVideoDxe/VbeShim: handle PAM1 register on Q35 correctly https://lists.01.org/pipermail/edk2-devel/2017-September/014898.html I CC'd Aleksei on the series, but testing is welcome from anyone. (The cover letter at the link contains a git fetch URL.) -- You

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

On 09/19/17 14:38, Gerd Hoffmann wrote: >> (2) Build the SeaBIOS CSM (CONFIG_CSM=y), and embed it into OVMF, >> like described above. Then, boot Windows 7 in *UEFI Mode*. > >> Option #1 and option #2 no longer work because the CSM infrastructure >> in edk2 needs to be able to write 0xc. > >

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Ahh, wait, now I remember something -- the PAM registers are at a different location on Q35!!! If that's what's wrong, then it is indeed an OVMF bug. Let me see if I can write a patch. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

> (2) Build the SeaBIOS CSM (CONFIG_CSM=y), and embed it into OVMF, > like described above. Then, boot Windows 7 in *UEFI Mode*. > Option #1 and option #2 no longer work because the CSM infrastructure > in edk2 needs to be able to write 0xc. Well, option #2 works for me. -- You received

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

On 09/19/17 13:49, Gerd Hoffmann wrote: > ovmf seems to not touch pam configuration, so rom remains mapped. I don't understand; the code that I quoted above -- and that LaunchPad messed up -- explicitly changes the PAM registers: // // Put the shim in place first. // Pam1Address =

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Indeed the CSM platform support had the same error one and half years ago, see: https://github.com/tianocore/edk2/commit/db27e9f3d8f0 Thank you, Gerd, for the hint! -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Re: comment 14, "is there a way to fix vbeshim instead of reverting RO limitation that commit introduced?": I don't think so; please see my earlier comments 15 and 17. To elaborate: If a user wants to boot Windows 7 on OVMF, they have *three* options: (1) Build the SeaBIOS CSM (CONFIG_CSM=y),

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

On Tue, 19 Sep 2017 10:59:51 - "Laszlo Ersek \(Red Hat\)" wrote: > Thanks, Gerd, for the CC -- I agree, this commit (208fa0e43645) almost > certainly breaks the VBE Shim. Displaying the patch with a bit larger > context, > > > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > >

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

ovmf seems to not touch pam configuration, so rom remains mapped. seabios in contrast maps the address range to ram instead. IIRC ovmf does that too in CSM mode. So, yes, probably this is fixable in ovmf. -- You received this bug notification because you are a member of qemu- devel-ml, which is

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

What I mentioned earlier was not that SeaBIOS would break. Instead, I said that building OVMF, with the SeaBIOS CSM (Compatibility Support Module) embedded into it, would break, exactly the same way as the VBE Shim. Quoting the CSM Spec from Intel: "The CSM provides compatibility support between

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

On Tue, 19 Sep 2017 10:39:00 - Gerd Hoffmann <1715...@bugs.launchpad.net> wrote: > could be this commit breaks vbeshim ... > Did a bit of testing: w7 iso boots to install screen with seabios but stuck at win boot logo with ovmf. I've heard (maybe wrongly) that seabios would also break in

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

I'd also like to mention that, when we originally worked on the VBE Shim, I tried to put it elsewhere. Obviously it has to be pointed-to by a real mode interrupt vector, which limits quite a bit where it can go at all; the point is that I tried to put it into low *RAM* (under 640KB). It didn't

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

On Tue, 19 Sep 2017 10:39:00 - Gerd Hoffmann <1715...@bugs.launchpad.net> wrote: > could be this commit breaks vbeshim ... > is there a way to fix vbeshim instead of reverting RO limitation that commit introduced? -- You received this bug notification because you are a member of qemu-

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

I'm not sure if I mentioned this before, but launchpad is an *abomination*. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Thanks, Gerd, for the CC -- I agree, this commit (208fa0e43645) almost certainly breaks the VBE Shim. Displaying the patch with a bit larger context, > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index 22e16031b03b..59435390ba62 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -1442,8

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

could be this commit breaks vbeshim ... -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on qemu 2.10 (works on 2.9) Status in QEMU: New Bug description:

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Igor asked to add Gerd. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on qemu 2.10 (works on 2.9) Status in QEMU: New Bug description: Qemu version:

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Added Imammedo to this lp. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on qemu 2.10 (works on 2.9) Status in QEMU: New Bug description: Qemu

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Just did a test to be sure: pulled latest git (a9158a5cba955b79d580a252cc58ff44d154e370) - guest didn't launch. Reverted 208fa0e43645edd0b0d8f838857dfc79daff40a8 - guest launched successfully. Can someone please take a look at this? I don't want to get stuck at 2.9.0 :) -- You received this bug

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Bisected. Good thing Igor is already here :) 208fa0e43645edd0b0d8f838857dfc79daff40a8 is the first bad commit commit 208fa0e43645edd0b0d8f838857dfc79daff40a8 Author: Igor Mammedov Date: Fri Jul 28 11:09:05 2017 +0200 pc: make 'pc.rom' readonly when machine has PCI

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

The newer GCC compilers are more fussy - just add '--disable-werror' when running 'configure' to make it ignore the warning -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

* Aleksei Kovura (alex3...@zoho.com) wrote: > Ok, so I cloned from github and am bisecting like this (it's been a while, > correct me if I'm wrong): > $ git bisect start > $ git bisect bad 1ab5eb4efb91a3d4569b0df6e824cc08ab4bd8ec # 2.10.0 stable > commit > $ git bisect good

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Ok, so I cloned from github and am bisecting like this (it's been a while, correct me if I'm wrong): $ git bisect start $ git bisect bad 1ab5eb4efb91a3d4569b0df6e824cc08ab4bd8ec # 2.10.0 stable commit $ git bisect good 359c41abe32638adad503e386969fa428cecff52 # 2.9.0 stable commit Bisecting: 1426

Re: [Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

On Thu, 07 Sep 2017 19:34:37 - Aleksei Kovura wrote: > Compiled latest OVMF from git (ea21f1d), used it in "-bios" line - same > result. What else can I try? Bisecting 2.9 -> 2.10 might point out offending commit

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Compiled latest OVMF from git (ea21f1d), used it in "-bios" line - same result. What else can I try? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on qemu

[Qemu-devel] [Bug 1715700] Re: Windows 7 guest won't boot on qemu 2.10 (works on 2.9)

Hi, There's a good chance this is the same as lp 1714331 - fixed by a newer OVMF. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1715700 Title: Windows 7 guest won't boot on qemu 2.10 (works on