This bug was fixed in the package lttng-modules - 2.8.0-1ubuntu1~16.04.8
---
lttng-modules (2.8.0-1ubuntu1~16.04.8) xenial; urgency=medium
* Fix vmalloc_sync_all() removal (LP: #1874521). Changes from upstream lttng
repo (1,3,4) with additional Ubuntu fixup (5).
-
This bug was fixed in the package lttng-modules - 2.10.8-1ubuntu2.1
---
lttng-modules (2.10.8-1ubuntu2.1) eoan; urgency=medium
* Fix vmalloc_sync_all() removal (LP: #1874521). Changes from upstream lttng
repo:
-
This bug was fixed in the package lttng-modules - 2.11.2-1ubuntu0.1
---
lttng-modules (2.11.2-1ubuntu0.1) focal; urgency=medium
* Fix vmalloc_sync_all() removal (LP: #1874521). Changes from upstream lttng
repo:
-
This bug was fixed in the package lttng-modules -
2.10.8-1ubuntu2~18.04.2
---
lttng-modules (2.10.8-1ubuntu2~18.04.2) bionic; urgency=medium
* Fix vmalloc_sync_all() removal (LP: #1874521). Changes from upstream lttng
repo:
-
ii lttng-modules-dkms 2.8.0-1ubuntu1~16.04.7
ii linux-image-4.4.0-184-generic4.4.0-184.214
#> modprobe lttng-test
#> dmesg|grep LTTng
...
[ 688.029325] LTTng: vmalloc_sync_all symbol lookup failed.
[ 688.039163] LTTng: vmalloc_sync_all symbol lookup failed.
[ 735.260865]
ii lttng-modules-dkms 2.10.8-1ubuntu2~18.04.1
ii linux-image-4.15.0-106-generic 4.15.0-106.107
#> modprobe lttng-test
#> dmesg|grep LTTng
...
[ 998.703482] LTTng: vmalloc_sync_all symbol lookup failed.
[ 998.710340] LTTng: vmalloc_sync_all symbol lookup failed.
[ 998.717185]
ii lttng-modules-dkms 2.10.8-1ubuntu2
ii linux-image-5.3.0-59-generic 5.3.0-59.53
#> modprobe lttng-test
#> dmesg|grep LTTng
...
[ 430.580656] LTTng: vmalloc_sync_all symbol lookup failed.
[ 430.588644] LTTng: vmalloc_sync_all symbol lookup failed.
[ 430.596638] LTTng: Loaded
ii lttng-modules-dkms 2.11.2-1
ii linux-image-5.4.0-37-generic 5.4.0-37.41
#> modprobe lttng-test
#> dmesg|grep LTTng
[ 1063.654333] LTTng: vmalloc_sync_all symbol lookup failed.
[ 1063.662949] LTTng: vmalloc_sync_all symbol lookup failed.
...
#> modprobe -r lttng-test
#> dpkg -i
Hello Ian, or anyone else affected,
Accepted lttng-modules into xenial-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/lttng-
modules/2.8.0-1ubuntu1~16.04.8 in a few hours, and then in the -proposed
repository.
Please help us by testing this new
Hello Ian, 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/2.10.8-1ubuntu2~18.04.2 in a few hours, and then in the
-proposed repository.
Please help us by testing this new
Hello Ian, or anyone else affected,
Accepted lttng-modules into eoan-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/lttng-
modules/2.10.8-1ubuntu2.1 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package.
Hello Ian, 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/2.11.2-1ubuntu0.1 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package.
Thanks for fixing up the versions as needed.
While not 100% the header style the server team would have after the discussion
I think nothing is left that should block this. Sponsoring into the -unapproved
queues.
I also ran update-maintainer for you on Focal.
And finally as discussed I removed
** Patch added: "lttng-bionic-v2.debdiff"
https://bugs.launchpad.net/ubuntu/xenial/+source/lttng-modules/+bug/1874521/+attachment/5381682/+files/lttng-bionic-v2.debdiff
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** Patch added: "lttng-eoan-v2.debdiff"
https://bugs.launchpad.net/ubuntu/xenial/+source/lttng-modules/+bug/1874521/+attachment/5381681/+files/lttng-eoan-v2.debdiff
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Made a v3 which adjusts the dep-3 style "Origin:" into a git format-
patch style format.
** Patch added: "lttng-focal-v3.debdiff"
https://bugs.launchpad.net/ubuntu/xenial/+source/lttng-modules/+bug/1874521/+attachment/5381680/+files/lttng-focal-v3.debdiff
--
You received this bug
This is an updated debdiff for Focal. Are the changes to the patch
headers looking better now?
** Patch added: "lttng-focal-v2.debdiff"
https://bugs.launchpad.net/ubuntu/xenial/+source/lttng-modules/+bug/1874521/+attachment/5381641/+files/lttng-focal-v2.debdiff
--
You received this bug
Please update debdiffs a bit:
1. where you link the commit please use proper origin tags
Origin: backport,
# OTHERWISE
Origin: upstream,
2. your version numbers are incorrect for SRUs
+lttng-modules (2.11.2-1ubuntu1) focal; urgency=medium
needs to be 2.11.2-1ubuntu0.1
+lttng-modules
Proposed SRU for 18.04/Bionic. Test build at:
https://launchpad.net/~smb/+archive/ubuntu/bionic (This is in the end
the same as in Eoan due to syncing the packages).
** Patch added: "lttng-bionic.debdiff"
Proposed SRU for 16.04/Xenial. Test build at:
https://launchpad.net/~smb/+archive/ubuntu/xenial
** Patch added: "lttng-xenial.debdiff"
https://bugs.launchpad.net/ubuntu/bionic/+source/lttng-modules/+bug/1874521/+attachment/5374830/+files/lttng-xenial.debdiff
** Changed in: lttng-modules
** Changed in: lttng-modules (Ubuntu Bionic)
Status: Triaged => In Progress
** Changed in: lttng-modules (Ubuntu Bionic)
Assignee: (unassigned) => Stefan Bader (smb)
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Proposed SRU for 19.10/Eoan. Test build at:
https://launchpad.net/~smb/+archive/ubuntu/eoan
** Patch added: "lttng-eoan.debdiff"
https://bugs.launchpad.net/ubuntu/+source/lttng-modules/+bug/1874521/+attachment/5374286/+files/lttng-eoan.debdiff
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** Description changed:
Testing failed on:
amd64:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/l/lttng-modules/20200423_185643_adec8@/log.gz
[SRU Justification]
== Impact ==
In linux 5.6 upstream
Deferring the fix for Groovy. This is being worked on in parallel and
will include additional changes to allow compiling against a 5.7 kernel.
** Changed in: lttng-modules (Ubuntu)
Status: Triaged => Won't Fix
** Description changed:
Testing failed on:
amd64:
Proposed SRU for 20.04/Focal. Test build at:
https://launchpad.net/~smb/+archive/ubuntu/focal
** Patch added: "lttng-focal.debdiff"
https://bugs.launchpad.net/ubuntu/xenial/+source/lttng-modules/+bug/1874521/+attachment/5374127/+files/lttng-focal.debdiff
** Changed in: lttng-modules (Ubuntu
>From the upstream discussion there is this proposed approach. I added
ranges of Ubuntu kernels without upstream stable version support (right
now tested only for bionic). This would be what will be proposed for
backporting.
** Patch added: "lttng-groovy.debdiff"
I guess in groovy onwards, this might be fixed by just replacing all
with mappings in the code. Since there won't be need to support older
kernels.
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** Description changed:
Testing failed on:
- amd64:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/l/lttng-modules/20200423_185643_adec8@/log.gz
+ amd64:
** Also affects: lttng-modules (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: lttng-modules (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: lttng-modules (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects:
Looks good to me, ship it.
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https://bugs.launchpad.net/bugs/1874521
Title:
lttng-modules 2.10.8-1ubuntu2~18.04.1 ADT test failure with linux-kvm
4.15.0-1059.60
To manage
Ok, the first attempt did not work as cpp does not replace string
contents. Hopefully correctly updated patch attached.
** Patch added: "fix-vmalloc-sync-all.patch"
https://bugs.launchpad.net/ubuntu/+source/lttng-modules/+bug/1874521/+attachment/5371013/+files/fix-vmalloc-sync-all.patch
--
** Tags added: patch
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https://bugs.launchpad.net/bugs/1874521
Title:
lttng-modules 2.10.8-1ubuntu2~18.04.1 ADT test failure with linux-kvm
4.15.0-1059.60
To manage notifications
I played around with how this might be fixed. The problem is that this
could potentially hit all releases that get the split of
vmalloc_sync_all() via stable. Minimally I would suspect Bionic to
Focal. So I tried to come up with a modification to the module build
which checks the kernel header
The patch mentioned in comment #2 appears upstream in kernel version
5.6:
commit 763802b53a427ed3cbd419dbba255c414fdd9e7c
Author: Joerg Roedel
Date: Sat Mar 21 18:22:41 2020 -0700
x86/mm: split vmalloc_sync_all()
It becomes an obvious problem for lttng in the kvm-kernel only because
Implicit function declaration error due to missing "vmalloc_sync_all()"
is expected due to a recent change in the kernel ABI in Bionic:
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/bionic/commit/?id=a37c73d3e2fb62bf486c0d2099deff8fad325f20
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** Attachment added: "make.log"
https://bugs.launchpad.net/bugs/1874521/+attachment/5358632/+files/make.log
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https://bugs.launchpad.net/bugs/1874521
Title:
lttng-modules
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