** Changed in: ubuntu-kernel-tests
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1896781
Title:
lttng-modules 2.11.2-1ubuntu0.1 ADT test failure with linux
This bug was fixed in the package lttng-modules -
2.10.8-1ubuntu2~18.04.3
---
lttng-modules (2.10.8-1ubuntu2~18.04.3) bionic; urgency=medium
* Fix writeback_queue_io() modification (LP: #1896781):
- d/p/compat-5.9/0001-fix-writeback-queue-io.patch
-- Stefan Bader Thu, 24
This bug was fixed in the package lttng-modules - 2.8.0-1ubuntu1~16.04.9
---
lttng-modules (2.8.0-1ubuntu1~16.04.9) xenial; urgency=medium
* Fix writeback_queue_io() modification (LP: #1896781):
- d/p/compat-5.9/0001-fix-writeback-queue-io.patch
-- Stefan Bader Thu, 24 Sep
This bug was fixed in the package lttng-modules - 2.11.2-1ubuntu0.2
---
lttng-modules (2.11.2-1ubuntu0.2) focal; urgency=medium
* Fix writeback_queue_io() modification (LP: #1896781):
- d/p/compat-5.9/0001-fix-writeback-queue-io.patch
-- Stefan Bader Wed, 23 Sep 2020
Same for Xenial, ADT testing now succeeded for current base kernel and
the new base and hwe from proposed
(http://autopkgtest.ubuntu.com/packages/l/lttng-modules/xenial/amd64).
** Tags removed: verification-needed verification-needed-xenial
** Tags added: verification-done
ADT testing against the current bionic kernel and the proposed base and
hwe kernel all completed successfully:
http://autopkgtest.ubuntu.com/packages/l/lttng-modules/bionic/amd64
(link only for amd64 but change is arch indipenant).
** Tags removed: verification-needed-bionic
** Tags added:
Hello Stefan, or anyone else affected,
Accepted lttng-modules into bionic-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/lttng-
modules/2.10.8-1ubuntu2~18.04.3 in a few hours, and then in the
-proposed repository.
Please help us by testing this new
ADT testing succeeded against current updates and the new kernel in
proposed (http://autopkgtest.ubuntu.com/packages/l/lttng-
modules/focal/amd64 (this is amd64, but all other arches are the same)).
Marking as verified for focal.
** Tags removed: verification-needed-focal
** Tags added:
Hello Stefan, or anyone else affected,
Accepted lttng-modules into focal-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/lttng-
modules/2.11.2-1ubuntu0.2 in a few hours, and then in the -proposed
repository.
Please help us by testing this new
Some odd brackets, but that was known and functionally the same.
I added a missing dep3 header on the focal debdiff, but other than that it LGTM.
Sponsored to -unapproved.
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** Description changed:
+ [SRU Justification]
+
+ == Impact ==
+ An upstream change in v5.9 which was backported into all supported releases
modified a function which lltng-modules uses. This causes the DKMS compilation
to fail for all kernels which carry that fix.
+
+ == Fix ==
+ We add
Xenial test build will be at:
https://launchpad.net/~smb/+archive/ubuntu/temp01
Verification in VM:
root@test-x1:~# dpkg -l|grep lttng-modules-dkms
ii lttng-modules-dkms 2.8.0-1ubuntu1~16.04.9
all Linux Trace Toolkit (LTTng) kernel modules
Bionic test build will be at:
https://launchpad.net/~smb/+archive/ubuntu/temp01
Verification in VM:
root@test-b1:~# dpkg -l|grep lttng-modules-dkms
ii lttng-modules-dkms 2.10.8-1ubuntu2~18.04.3
all Linux Trace Toolkit (LTTng) kernel modules
** Changed in: lttng-modules (Ubuntu Bionic)
Status: Triaged => In Progress
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Title:
lttng-modules 2.11.2-1ubuntu0.1 ADT test failure with
** Changed in: ubuntu-kernel-tests
Status: New => Incomplete
** Changed in: ubuntu-kernel-tests
Status: Incomplete => Confirmed
** Tags added: aws azure gcp kqa-blocker oracle sru-20200921
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** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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Title:
lttng-modules 2.11.2-1ubuntu0.1 ADT test failure with
** Changed in: lttng-modules (Ubuntu Bionic)
Assignee: (unassigned) => Stefan Bader (smb)
** Changed in: lttng-modules (Ubuntu Xenial)
Assignee: (unassigned) => Stefan Bader (smb)
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** Also affects: lttng-modules (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: lttng-modules (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: lttng-modules (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: lttng-modules
Focal test build at: https://launchpad.net/~smb/+archive/ubuntu/temp01
Verification in VM:
root@test-f1:/usr/src/lttng-modules-2.11.2# dpkg -l |grep lttng-modules-dkms
ii lttng-modules-dkms 2.11.2-1ubuntu0.2 all
Linux Trace Toolkit (LTTng) kernel
This would be the proposed fix for focal which should also prepare us
for the coming hwe kernels as well. For bionic there likely will be a
similar change needed. At least to handle hwe-5.4 but potentially the
upstream change got backported to 4.15 as well.
** Patch added:
In "Focal update: v5.4.62 upstream stable release" (bug #1895174) the
arguments of the trace event writeback_queue_io were changed from 3 to 4
by:
Author: Jan Kara
Date: Fri May 29 16:08:58 2020 +0200
writeback: Fix sync livelock due to b_dirty_time processing
BugLink:
CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-kprobes.o
In file included from
/var/lib/dkms/lttng-modules/2.11.2/build/probes/../probes/define_trace.h:87,
from
/var/lib/dkms/lttng-modules/2.11.2/build/probes/../instrumentation/events/lttng-module/writeback.h:736,
CC [M] /var/lib/dkms/lttng-modules/2.11.2/build/probes/lttng-kprobes.o
In file included from
/var/lib/dkms/lttng-modules/2.11.2/build/probes/../probes/define_trace.h:87,
from
/var/lib/dkms/lttng-modules/2.11.2/build/probes/../instrumentation/events/lttng-module/writeback.h:736,
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