This bug was fixed in the package linux - 3.13.0-91.138
---
linux (3.13.0-91.138) trusty; urgency=medium
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1595991
[ Upstream Kernel Changes ]
* netfilter: x_tables: validate e->target_offset early
- LP: #1555338
-
This bug was fixed in the package linux - 3.13.0-91.138
---
linux (3.13.0-91.138) trusty; urgency=medium
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1595991
[ Upstream Kernel Changes ]
* netfilter: x_tables: validate e->target_offset early
- LP: #1555338
-
The proposed package is tested and it passed the test case described in
the bug description.
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.
If verification is not done by 5 working days from
Fix released for Vivid (3.19.0-59.65)
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https://bugs.launchpad.net/bugs/1494350
Title:
QEMU: causes vCPU steal time overflow on live migration
To manage notifications about this bug go
Fix released for Wily (4.2.0-36.41)
** Changed in: linux (Ubuntu Trusty)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu Wily)
Status: In Progress => Fix Released
** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Fix Released
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** Changed in: linux (Debian)
Status: Unknown => Fix Released
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Title:
QEMU: causes vCPU steal time overflow on live migration
To manage
The backport has been acked in upstream for 3.4, 3.10, 3.14, and 3.16
stable kernel.
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Title:
QEMU: causes vCPU steal time overflow on live
** Also affects: linux (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785557
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/1494350
Just hit the same bug (decreasing steal time counters after live
migration of kvm) on a Trusty guest. Would be nice to get that as LTS.
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Title:
** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-xenial
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Title:
QEMU: causes vCPU steal time overflow on live migration
To manage
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Medium
** Description changed:
+ [Impact]
+ It is possible to have vcpu->arch.st.last_steal initialized
+ from a thread other than vcpu thread, say the main thread, via
+ KVM_SET_MSRS. That can cause steal_time overflow later (when subtracting from
vcpu threads sched_info.run_delay).
+
+ [Test Case]
** Description changed:
+ Testing Steps with patched trusty kernel:
+
+ Using savemv & loadvm to simulate the migration process.
+
+ In guest:
+ 1. check steal_time data location
+ rdmsr 0x4b564d03 <- returns the start address 0x7fc0d000
+
+ 2. Exam the steal time before savevm
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Liang Chen (cbjchen)
** Changed in: linux (Ubuntu)
Status: New => In Progress
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