Test build: https://launchpad.net/~smb/+archive/ubuntu/xenial/+packages
** Also affects: dahdi-linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: dahdi-linux (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: dahdi-linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: dahdi-linux (Ubuntu Xenial)
Assignee: (unassigned) => Stefan Bader (smb)
** Changed in: dahdi-linux (Ubuntu)
Status: In Progress => Invalid
** Changed in: dahdi-linux (Ubuntu)
Assignee: Stefan Bader (smb) => (unassigned)
** Description changed:
In upstream stable 4.4.218, the following patch brings back kref_read()
which was re-implemented in dahdi-linux code for kernel versions before
4.11:
commit 408f17931f5451702ad638e1d8511e780f6b56e7
Author: Peter Zijlstra <pet...@infradead.org>
Date: Mon Nov 14 17:29:48 2016 +0100
- locking/atomic, kref: Add kref_read()
+ locking/atomic, kref: Add kref_read()
This needs adjustment now in Xenial for kernels including 4.4.218 and
later.
[SRU Justification]
== Impact ==
Dahdi-dkms fails to build for kernels which include upstream stable
version 4.4.218 or later.
+
+
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
+ /autopkgtest-xenial/xenial/amd64/d/dahdi-
+ linux/20200511_051631_1b525@/log.gz
== Fix ==
Disable the internal re-implementation of kref_read() for kernels
including upstream stable 4.4.218.
== Testcase ==
Running dkms build for various kernel versions (tested with
Ubuntu-4.4.0-178 and Ubuntu-4.4.0-179). With -178 building currently
succeeds, with -179 it fails.
== Risk of Regression ==
Low, internal implementation which was backported from kernel 4.11 gets
replaced by the kernel function.
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https://bugs.launchpad.net/bugs/1878214
Title:
[Xenial] dahdi-dkms fails to build after kernel version 4.4.218
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