@Sergio your package 1:6.2+dfsg-2ubuntu6.20~ppa1 works
@Mauricio as you can see the qemu version 6.2 is used in RHEL 8.5 too. They
integrated this patch two years ago. The QEMU project has this patch since
version 7.0. I think it is well tested.
The business impact of this bug with Windows VM's
Hi Sergio,
Thanks for the upload!
The bug and fix sound good and relatively simple to verify.
The SRU bug template is still missing Test Plan / Regression Potential,
so I'll mark it as Incomplete for the time being (I see it may be coming
soon, per "TBD").
While looking at the Björn's mention
Hi,
thanks for your investigation.
@Sergio In rhel bug desciption
https://bugzilla.redhat.com/show_bug.cgi?id=2074737 is described a test.
In qemu I found the patch
https://github.com/qemu/qemu/commit/5286c3662294119dc2dd1e9296757337211451f6
too.
It seems that this issue patched since qemu
** Also affects: qemu (Fedora) via
https://bugzilla.redhat.com/show_bug.cgi?id=1975840
Importance: Unknown
Status: Unknown
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Title:
Hi again, Björn,
Could you please give the following PPA a try and tell me if the package
works?
https://launchpad.net/~sergiodj/+archive/ubuntu/qemu
The QEMU version there is 1:6.2+dfsg-2ubuntu6.20~ppa1.
Thanks a lot.
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** Merge proposal linked:
https://code.launchpad.net/~sergiodj/ubuntu/+source/qemu/+git/qemu/+merge/465879
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Title:
Windows guest hangs after
** Description changed:
+ [ Impact ]
+
+ Some versions of Windows hang on reboot if their TSC value is greater
+ than 2^54. The calibration of the Hyper-V reference time overflows
+ and fails; as a result the processors' clock sources are out of sync.
+
+ [ Test Plan ]
+
+ TBD.
+
+ [ Where
Thank you Björn for reporting the bug, and Paride for the initial
triage.
As Paride said, we have to make sure this is not affecting other
versions of QEMU as well. If the patch mentioned in the description is
indeed the only one needed to fix the bug, then I think we're good:
$ git tag
Hello and thanks for this bug report, for attaching the patch and for
the PPA.
I know you wrote that this bug "affects only jammy 22.04 package" but
let me ask explicitly: is this fixed in the Ubuntu 24.04 LTS? This is
important for us know for a process point of view.
Also: making the fix land
RHEL Bug report: https://bugzilla.redhat.com/show_bug.cgi?id=1975840
** Bug watch added: Red Hat Bugzilla #1975840
https://bugzilla.redhat.com/show_bug.cgi?id=1975840
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** Also affects: qemu (Ubuntu Jammy)
Importance: Undecided
Status: New
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Title:
Windows guest hangs after reboot from the guest OS
To
The attachment "Patch imported from RHEL 8" seems to be a patch. If it
isn't, please remove the "patch" flag from the attachment, remove the
"patch" tag, and if you are a member of the ~ubuntu-reviewers,
unsubscribe the team.
[This is an automated message performed by a Launchpad user owned by
** Description changed:
Description:
Some versions of Windows hang on reboot if their TSC value is greater
than 2^54. The calibration of the Hyper-V reference time overflows
and fails; as a result the processors' clock sources are out of sync.
The issue is that the TSC _should_ be
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