** Also affects: opa-ff (Ubuntu)
Importance: Undecided
Status: New
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Title:
libcpupower.so is not installed from linux-tools
To manage
Yeah Dmitry, thanks for reminding everyone about it.
But TBH I have not had the feeling that the feeling that the kernel team
(which needs to do it) had started working/thinking on this case.
@Kernel Team - ping is this on your radar at all or did it fall through
the cracks?
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Hi Christian! In comments #11 and #17 there are some patches for this
bug. They probably need rebasing though.
** No longer affects: linux (Ubuntu Zesty)
** No longer affects: linux (Ubuntu Eoan)
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Yeah as Brian I came by this a while ago (and now again). Bug 1891336 is about
the same.
This one here is older and closer to a conclusion.
So I'll make the other one a dup, but added bug-tasks and an update-excuse tag
to show up in excuses.
** Also affects: gkrellm2-cpufreq (Ubuntu)
The Eoan Ermine has reached end of life, so this bug will not be fixed
for that release
** Changed in: linux (Ubuntu Eoan)
Status: In Progress => Won't Fix
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During my +1 maintenance I looked at both gkrellm2-cpufreq and cpufreqd
(ppc64el arch only) both of which are depwait in groovy because Ubuntu
does not have a libcpupower-dev package. If Ubuntu isn't going to
provide the libcpupower-dev package we should blacklist packages which
depend on it so
** Tags added: rls-gg-incoming
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Title:
libcpupower.so is not installed from linux-tools
To manage notifications about this bug go to:
Hi again Juerg and all,
I want to mention that upstream Linux developers actually *do* care
about ABI stability.
For example, one of the commits broke ABI but it was quickly reverted
and then fixed in a way that does not change the ABI:
Hmm, I didn't know upstream didn't bump the SONAME with the latest
breaking change...
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Title:
libcpupower.so is not installed from linux-tools
Probably not but we have no tooling in place to check. And we also
support different kernel versions on every release. For example, the
main Bionic kernel is based on 4.15 and the (current) Bionic hwe kernel
is based on 5.0 but that's a moving target. And we could introduce other
kernels for
I think it changes quite rarely:
- Once it changed in Linux 4.7, in commit [1] (April 2016),
- Then it changed in Linux 5.1, in commit [2] (February 2019).
The Debian maintainer has a patch [3] that updates the SONAME version
when ABI changes.
There has been an attempt [4] to send that patch
Does libcpupower's own ABI actually change with each new Ubuntu kernel?
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Title:
libcpupower.so is not installed from linux-tools
To manage
We roll the kernel (and libcpupower) every 3 weeks and don't guarantee
ABI stability so that's not feasible.
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Title:
libcpupower.so is not
Debian has package names that follow upstream SONAME, e.g. libcpupower0,
libcpupower2.
The -dev package is used only for building, the resulting binary
packages get dependency on library package. When there is ABI break,
upstream changes SONAME, so the library package changes too and all
reverse
I understand, I just don't see how we can achieve this. You can have
multiple linux-tools packages installed and you'll get different
versions of libcpupower. We don't guarantee ABI stability so your
running app needs to be linked to the version of the running kernel or
it might no longer work.
I
Hi Juerg!
This is a step towards what we want, but ideally it would be nice to
have an unversioned package (like linux-tools-dev) that would ship some
symlinks in /usr/include and /usr/lib, so that we don’t need to pass -I
and -L to gcc.
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I've built a test kernel that provides a new package linux-tools-
dev-. This is probably not what you ultimately want but would
that help in any way?
To install it:
$ sudo add-apt-repository ppa:juergh/kernel
$ sudo apt install linux-tools-dev-5.0.0-29
$ dpkg -L linux-tools-dev-5.0.0-29
/.
/usr
@apolitech please do not hijack this bug for a completely unrelated
problem. If you believe yours is legit kernel issue then raise a new
ticket at https://bugs.launchpad.net/ubuntu/+source/linux/+filebug.
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Any updates on the state of this issue?
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Title:
libcpupower.so is not installed from linux-tools
To manage notifications about this bug go to:
Hello, i don't know if i am in the correct place but i have the following issue:
If i use a monitor with a higher refresh rate then 60 then i will get nasty
screen tearing and flickering.
I have a monitor with 75 hz ,a amd rx 480 gpu with open source video
drivers.
The work-around the issue
** Also affects: linux (Ubuntu Eoan)
Importance: Medium
Status: In Progress
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Title:
libcpupower.so is not installed from linux-tools
** Tags added: cscc
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Title:
libcpupower.so is not installed from linux-tools
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** Tags added: eoan
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Title:
libcpupower.so is not installed from linux-tools
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** Changed in: linux (Ubuntu Zesty)
Status: In Progress => Invalid
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Title:
libcpupower.so is not installed from linux-tools
To manage
** Tags added: disco
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Title:
libcpupower.so is not installed from linux-tools
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** Tags removed: artful yakkety zesty
** Tags added: cosmic
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Title:
libcpupower.so is not installed from linux-tools
To manage notifications
So... the modified SONAME is apparently needed for the specific version
of cpupower tool to depend strictly on the corresponding version of
libcpupower.so.* from the same linux-tools-* package:
$ objdump -p /usr/lib/libcpupower.so.4.15.0-10 | grep SONAME
SONAME
Looks like it happens because DT_SONAME isn't correct.
Ubuntu:
$ objdump -p /usr/lib/libcpupower.so.4.13.0-32 | grep SONAME
SONAME libcpupower.so.4.13.0-32
Debian:
$ objdump -p /usr/lib/libcpupower.so.0.0.1 | grep SONAME
SONAME libcpupower.so.1
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The problem is that the cpufreq applet is still linked to
libcpupower.so.4.13.0-32 during the build. We need to make it link to
libcpupower.so.1, like in Debian.
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Here are the changes that I added after your patch.
** Attachment added: "Adjustments for the patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1215411/+attachment/5056824/+files/cpupower-fixes
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Vlad, thanks for testing! I don’t have much time to work further on the
patch (especially when there is no guarantee for it being applied).
Maybe you can try to create an updated patch where dh_makeshlibs will be
properly called during build?
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Ok... mate-applets package builds and installs now, but looks like the
real problem is that the cpufreq applet is being linked to the versioned
library (instead of libcpupower.so or libcpupower.so.1).
$ ldd /usr/lib/mate-applets/mate-cpufreq-applet | grep cpupower
libcpupower.so.4.13.0-32
Ah, I see the problem. There's no .shlibs file for linux-tools-4.13.0-32
in /var/lib/dpkg/info directory. I'll try to add the missing
dh_makeshlibs for it...
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So I've built and installed kernel 4.13.0 with this patch in 18.04.
Building mate-applets with -lcpupower fails near the end with an unusual
error message:
...
dh_shlibdeps
dpkg-shlibdeps: error: no dependency information found for
/usr/lib/libcpupower.so.4.13.0-32 (used by
Nice, it even installs cpupower.h (which isn't present in Debian's
libcpupower-dev).
I see you also sent a patch for cpupower.h upstream [1]. That would finally fix
[2].
Doesn't look like upstream is interested though...
[1] https://patchwork.kernel.org/patch/10009599/
[2]
I had some discussion about this on kernel-team mailing list in
September, and provided a patch which addresses Juerg Haefliger’s
review:
https://lists.ubuntu.com/archives/kernel-team/2017-September/086839.html
However there has been no action since then :(
Attaching the new version of the
** Tags added: bionic
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Title:
libcpupower.so is not installed from linux-tools
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This one isn't "In Progress" at all it seems.
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Title:
libcpupower.so is not installed from linux-tools
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** Tags added: artful
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Title:
libcpupower.so is not installed from linux-tools
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** Tags removed: saucy
** Tags added: zesty
** Summary changed:
- libcpupower.so is not installed from linux-tools (saucy)
+ libcpupower.so is not installed from linux-tools
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Dear Tim or somebody from the kernel team — can you please reconsider my
patch, or reply to my proposal in comment #8?
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Title:
libcpupower.so is
Hi Tim!
I understand that the user can have multiple kernels installed. However,
I am not sure if supporting multiple versions of a development package
makes sense. After all, there can be only one header file matching i.e.
#include and only one library file matching -lcpupower.
If you really
Dmitry - your patch doesn't work so well when you have multiple kernel
packages installed. You should look at how the linux-tools packages are
abstracted.
** Changed in: linux (Ubuntu Zesty)
Assignee: Tim Gardner (timg-tpi) => (unassigned)
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** Also affects: linux (Ubuntu Zesty)
Importance: Medium
Assignee: Ubuntu Kernel Team (ubuntu-kernel-team)
Status: Triaged
** Changed in: linux (Ubuntu Zesty)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Zesty)
Assignee: Ubuntu Kernel Team
** Tags added: patch
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Title:
libcpupower.so is not installed from linux-tools (saucy)
To manage notifications about this bug go to:
Added a patch against lp:~ubuntu-kernel/ubuntu/+source/linux/+git/zesty
that adds a libcpupower-dev package, compatible with what Debian has.
Dear kernel team, please review it.
** Patch added:
"0001-UBUNTU-Add-a-new-libcpupower-dev-package-for-compati.patch"
Can we please have a libcpupower-dev package compatible to Debian
(https://packages.debian.org/sid/libcpupower-dev)?
** No longer affects: linux (Ubuntu Saucy)
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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Apparently, this issue isn't "In Progress" at all currently, so setting
the status to "Confirmed".
** Changed in: linux (Ubuntu)
Status: In Progress => Confirmed
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This is still a problem in Trusty, Xenial and Yakkety.
Same libcpupower.so symlink is missing in the following packages:
- linux-tools-3.13.0-96 in trusty-updates
- linux-tools-4.4.0-38 in xenial-updates
- linux-tools-4.8.0-17 in yakkety
** Tags added: trusty xenial yakkety
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** Changed in: linux (Ubuntu Saucy)
Assignee: Tim Gardner (timg-tpi) = Kamal Mostafa (kamalmostafa)
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Title:
libcpupower.so is not installed
** Also affects: linux (Ubuntu Saucy)
Importance: Undecided
Status: Incomplete
** Changed in: linux (Ubuntu Saucy)
Status: Incomplete = In Progress
** Changed in: linux (Ubuntu Saucy)
Assignee: (unassigned) = Tim Gardner (timg-tpi)
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** Changed in: linux (Ubuntu Saucy)
Importance: Undecided = Medium
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Title:
libcpupower.so is not installed from linux-tools (saucy)
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