Thank you so much Richard!
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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I performed the above testing, and it works.
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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I think we are fine doing that change >=Cosmic if we can confirm it is
working now. We have no regression that would make us need a SRU, this
is more a request to simplify maintenance and get in sync with upstreams
defaults again if they are ok now.
I really appreciate your help and your self-reli
Here's what I propose as a test plan:
1) I build seabios 1.10.2-1ubuntu1 (from bionic) on xenial. I install it,
reboot the guest, and verify things still work.
2) I remove debian/patches/turn-vga-allocate-extra-stack-off, rebuild, and
repeat the above test.
If that works, you should be able to
This is all of such a long time ago, I've read through the old Mail threads and
seabios git.
As far as I can tell this would still be an issue.
I'm a bit concerned we carry this Delta along like forever.
To have some hope resolving that I wanted to ask you @Richard if you could
still retest it w
This bug was fixed in the package seabios - 1.7.4-4ubuntu1
---
seabios (1.7.4-4ubuntu1) trusty-proposed; urgency=medium
* Turn off VGA_ALLOCATE_EXTRA_STACK (LP: #1404396)
-- Serge Hallyn Wed, 26 Aug 2015 15:25:11
-0500
** Changed in: seabios (Ubuntu Trusty)
Status: Fix C
I can confirm that the proposed package fixes the issue. I tested before
the change by rebooting the guest using the stock SeaBIOS, and it was
broken. I installed seabios-1.7.4-4ubuntu1 from trusty-proposed and
rebooted the guest. It works now.
** Tags removed: verification-needed
** Tags added: v
I seem to have forgotten. I'll test it today, for sure.
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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Hi Richard, were you able to test the proposed package? Thanks
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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I will test the proposed package. I'm leaving for the weekend, so it
won't be until Sunday night / Monday morning (US/Central) at best, and
possibly the next night. But I will report back ASAP.
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** Branch linked: lp:ubuntu/trusty-proposed/seabios
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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Hello Richard, or anyone else affected,
Accepted seabios into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/seabios/1.7.4-4ubuntu1
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
https://
fwiw I've not been able to reproduce this failure.
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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Actually, I just got a failure from the qa regression tests:
==
FAIL: test_virtio_net (__main__.QemuGuestVirtio)
Test virtio net
--
Traceback (most recent call la
** Description changed:
+ ===
+ Impact: Unable to run 16-bit applications in windows
+ Fix: turn off VGA_ALLOCATE_EXTRA_STACK
+ Test case: (see comment #21)
+ Regression potential: This stops the allocation of extra vga stack so could
+ con
** Branch linked: lp:ubuntu/wily-proposed/seabios
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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Excellent!
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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Thanks, in vista i was able to reproduce. Just turning the default in
vga/Kconfig to n fixes it. I also tried debian's 1.8.2 package but it
fails.
I'm going to run full qemu and libvirt testsuites (from lp;qa-
regression-testing) with that package to hopefully find any regressions,
then merge de
I realized later that my laptop doesn't run Trusty. It runs vivid. So
disregard my previous comment.
Anyway, we're running Windows Server 2008 (not R2, which is only
available in 64-bit). That's based on Vista, so maybe try Vista? This is
still reproducible for me in my test environment. SkiFree 1
I'll have to do more testing. I can't reproduce this on my trusty laptop
at the moment.
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Title:
[regression] vgabios -> seabios breaks (my) 16-bi
Try Windows 7.
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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Hm, I installed win8.1 32-bit in kvm inside a trusty container, but
still ski.zip runs fine for me.
Do I need to run an older windows release? Is there some amount of time
I should play before ski.zip crashes?
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On a stock wily kvm instance with 32-bit win8.1, ski.zip runs fine.
I'll assume that seabios 1.8.1-2ubuntu1 fixed it, and proceed to
testing the CONFIG_VGA_ALLOCATE_EXTRA_STACK=n in prep for final SRU to
trusty.
** Changed in: seabios (Ubuntu)
Status: Triaged => Fix Released
--
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Try to run 16-bit SkiFree in a 32-bit Windows OS inside a VM. You can
download it here: http://ski.ihoc.net/ski.zip It does not work on Trusty
(presumably through Wily) as-is, but if you set
CONFIG_VGA_ALLOCATE_EXTRA_STACK=n, it will work. (I haven't re-tested
this today, but that's what I and upst
So given comment #16, the 1.8.1 package currently in wily would still
need htat change?
If not, I'll mark it fix released. if so, I'll push a new package with
that change and then push the proposed trusty package.
** Changed in: seabios (Ubuntu Trusty)
Importance: Undecided => High
--
You r
Also, for the SRU process, could you add a concise test case to the
description above?
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit
** Also affects: seabios (Ubuntu)
Importance: Undecided
Status: New
** Changed in: seabios (Ubuntu)
Importance: Undecided => High
** Changed in: seabios (Ubuntu)
Status: New => Triaged
** Also affects: qemu (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also
Upstream has a new patch that fixes this without any known breakage. I
tested it and confirmed it fixes things for me. However, it doesn't
apply to 1.7.4. I propose setting CONFIG_VGA_ALLOCATE_EXTRA_STACK=n
until the next seabios release after 1.8.1.
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Sounds good, thanks.
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Title:
[regression] vgabios -> seabios breaks (my) 16-bit applications
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No, that's the patch which adds EXTRA_STACK and breaks it.
Kevin O'Connor intends to finish up a patch using his option 5 soon:
> I'm inclined to go with option 5. The real patch for that option,
> however, is a little bigger. I should be able to send a more complete
> patch in the next couple o
So is the patch in
http://www.seabios.org/pipermail/seabios/2015-January/008546.html the
one which definately fixes it?
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Title:
[regression] vgab
There's no downside for me.
http://www.seabios.org/pipermail/seabios/2015-January/008546.html and
http://www.seabios.org/pipermail/seabios/2015-January/008547.html have a
couple of answers. Basically, CONFIG_VGA_ALLOCATE_EXTRA_STACK improves
things for some old DOS programs. No examples were given.
I see I haven't given a status update here... There were a couple of
patches on the mailing list. One definitely fixes it. The other fixes
it, but possibly (I should retest) breaks video output while booting (on
seabios git, but not 1.7.4).
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Thanks - just to be clear, was ther eany downside to setting
CONFIG_VGA_ALLOCATE_EXTRA_STACK=n?
** Changed in: qemu (Ubuntu)
Status: New => Confirmed
** Changed in: qemu (Ubuntu)
Importance: Undecided => Medium
** Changed in: qemu (Ubuntu)
Importance: Medium => High
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Yes, this is reproducible with 16-bit Skifree. There's more discussion
on the mailing list, but the takeaway so far is that I can confirm that
setting CONFIG_VGA_ALLOCATE_EXTRA_STACK=n fixes this.
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Can you reproduce with other 16-bit applications (e.g. skifree from
http://ski.ihoc.net/#download)?
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Title:
[regression] vgabios -> seabios break
Also, can you attach a screenshot of the 16-bit application with
vgabios, so we can have a clue of why the vgabios is involved?
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[regressi
** Attachment added: "screenshot2.png"
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1404396/+attachment/4294334/+files/screenshot2.png
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** Attachment added: "screenshot1.png"
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1404396/+attachment/4294333/+files/screenshot1.png
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I rebuilt seabios git with CONFIG_DEBUG_LEVEL=8 and added the following
options, as per:
http://www.seabios.org/pipermail/seabios/2011-May/001718.html
I've attached the log file from the guest. All of the log output is from
booting. No additional output appears when runn
I built an updated seabios using the source from git and the debian
directory from Debian's 1.7.5-1. It has the same problem.
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Title:
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