Regression fix has now been published:
https://usn.ubuntu.com/usn/usn-3575-2/
Thanks!
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https://bugs.launchpad.net/bugs/1752761
Title:
Regression in vga handling ubuntu10.21 to ubuntu10
This bug was fixed in the package qemu - 1:2.5+dfsg-5ubuntu10.24
---
qemu (1:2.5+dfsg-5ubuntu10.24) xenial-security; urgency=medium
* SECURITY REGRESSION: Xen regression (LP: #1752761)
- debian/patches/CVE-2017-11334-1.patch: removed.
- debian/patches/CVE-2017-11334-2.patch:
This bug was fixed in the package qemu - 2.0.0+dfsg-2ubuntu1.40
---
qemu (2.0.0+dfsg-2ubuntu1.40) trusty-security; urgency=medium
* SECURITY REGRESSION: Xen regression (LP: #1752761)
- debian/patches/CVE-2017-11334-1.patch: removed.
- debian/patches/CVE-2017-11334-2.patch: r
BTW: I can confirm this issue (5min boot) is also a problem with the
latest Trust qemu-system updates
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Title:
Regression in vga handling ubuntu10
** Also affects: qemu (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: qemu (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: qemu (Ubuntu Trusty)
Status: New => In Progress
** Changed in: qemu (Ubuntu Xenial)
Status: New => In P
Hi Carl,
Thanks for testing the package in the PPA, it pretty much confirms my
suspicion.
I'll publish a security update regression USN on Monday.
Marc.
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Hi Marc,
Tested on same Win server 2008R8 VM image, with -24test PPA package
installed, < 30 sec boot to login screen. All looks good again.
Let me know how we can binary search the issue if that help. I'm happy
to compile up code if it is 'out-of-the-box' type stuff.
Cheers,
Carl
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You re
Actually, I'm beginning to suspect the CVE-2017-11334 patches. I'm
preparing a test package that reverts them and will upload it here:
https://launchpad.net/~ubuntu-security-
proposed/+archive/ubuntu/ppa/+packages
Once the package is uploaded and built in the PPA, could you please test it?
Thanks
Hi,
Could you try another graphics interface besides cirrus-vga, just try
and isolate which patch caused the issue?
Thanks!
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https://bugs.launchpad.net/bugs/1752761
Title:
Regression
Shutdown Windows VM
apt-get install qemu-system-x86=1:2.5+dfsg-5ubuntu10.22
xm create testWin2K8R8.cfg
4m40s to get the graphical 'Windows booting screen'
5m30s BSOD of death framebuf, memory dump and reboot
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Simple Xen config (hvm/8GB/2VCPUs)
Windows Server 2008R8 ISO (
SW_DVD5_Windows_Svr_DC_EE_SE_Web_2008_R2_64Bit_English_w_SP1_MLF_X17-22580.ISO
)
Xenial - 16.04 - w/ qemu 1:2.5+dfsg-5ubuntu10.21
DVD Boot to 'Install button' - ~60 secs
Standard Full Install to first reboot - ~4mins
Second reboot -
@Carl - the ddebs help if you need a crash report for example a program
segfaulted.
Then with the ddebs you can get more info of the symbols.
But this BSOD crash is "inside" the guest, the ddebs on the Xen host would hot
add additional information at the moment.
@Carl - stick with .22 - the .23
PM
To: Morgan, Carl
Subject: [Bug 1752761] Re: Regression in vga handling ubuntu10.21 to ubuntu10.22
Hi Carl,
thank you for your detailed report!
This is the second qemu/xen bug for regressions in these security
updates in one day - with none (=0) of them over the last two years -
unlikely to
Hi Carl,
thank you for your detailed report!
This is the second qemu/xen bug for regressions in these security
updates in one day - with none (=0) of them over the last two years -
unlikely to be a coincidence.
@Marc - I don't see an obvious change, but you have way more context on these
changes
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