** Tags added: cscc
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https://bugs.launchpad.net/bugs/1769027
Title:
perf record crash: refcount_inc assertion failed
Status in linux package in Ubuntu:
Fix Released
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1769027
Title:
perf record crash: refcount_inc assertion failed
This bug was fixed in the package linux - 4.13.0-45.50
---
linux (4.13.0-45.50) artful; urgency=medium
* linux: 4.13.0-45.50 -proposed tracker (LP: #1774124)
* CVE-2018-3639 (x86)
- SAUCE: Set generic SSBD feature for Intel cpus
linux (4.13.0-44.49) artful; urgency=medium
Any progress on the verification for this?
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Title:
perf record crash: refcount_inc assertion failed
Status in linux package in
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-
artful' to 'verification-done-artful'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1769027
Title:
perf record crash: refcount_inc assertion
SRU request submitted:
https://lists.ubuntu.com/archives/kernel-team/2018-May/092330.html
** Description changed:
+
+
+ == SRU Justification ==
+ This SRU request is for two commits, that are needed for two bug reports. The
+ first bug(1767204) is marked as a duplicate of the bug used for
Confirmed that the updated perf binary doesn't crash with the cgroups
argument.
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Title:
perf record crash: refcount_inc assertion
I'm going to mark bug 1767204 as a duplicate of this bug. I'll include
the commit in that bug and the commit in this bug in a single SRU
request once testing is complete.
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I built a test kernel with commit
cd8dd032f61abeb08d2c03bab4968a9de231a1be. This test kernel also had
commit 3d8bba9535a applied first.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1769027
Can you test this kernel and see if it resolves this bug?
Note about
** Changed in: linux (Ubuntu Artful)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
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** Tags added: kernel-da-key
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Artful)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Artful)
(setting to confirmed because this error isn't in the kernel logs)
** Description changed:
+ On linux-hwe-tools-4.13.0-39 in xenial:
+
Trying to run perf record ... --cgroup=mycgroup causes an immediate assertion
failure:
refcount_inc: Assertion `!(!refcount_inc_not_zero(r))' failed.
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