** Changed in: hwloc (Ubuntu)
Status: Fix Committed => Fix Released
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu.
https://bugs.launchpad.net/bugs/1401390
Title:
apt-get install nvidia-331 triggers 691 packages to be installed
Status in hwloc package in Ubuntu:
Fix Released
Status in nvidia-graphics-drivers-331 package in Ubuntu:
Invalid
Status in hwloc source package in Trusty:
Fix Released
Status in nvidia-graphics-drivers-331 source package in Trusty:
Invalid
Status in hwloc source package in Utopic:
Fix Released
Status in nvidia-graphics-drivers-331 source package in Utopic:
Invalid
Bug description:
SRU request:
Please accept hwloc into trusty-proposed.
[Rationale]
The libhwloc-plugins package need to depend on ocl-icd-libopencl1 (>= 1.0) |
libopencl1 rather than just on libopencl1, since the nvidia driver provides
libopencl1 too now.
[Impact]
Without a rebuild, the libhwloc-plugins package will pull in the nvidia
driver and a massive amount of packages which are not needed (or even
recommended). ocl-icd-libopencl1 is the only recommended loader, as NVIDIA's
only work with the nvidia driver.
[Test Case]
After installing the update, users should be able to install libhwloc-plugins
without having nvidia-331 installed as a dependency
[Regression Potential]
Low. This is a mere no change rebuild. We only need to make sure that all the
newly generated dependencies do not affect the system.
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There appears to be a package dependency cascade that occurred approx
12 hours ago. Attempting to install libboost-all-dev causes this: "0
upgraded, 791 newly installed, 0 to remove and 3 not upgraded."
The 791 packages include much of the gnome and kde desktops, a web
browser, some chat clients, all of X11 .. which is crazy for a package
needed to compile C++ programs for a server.
I traced the dependencies: its a rather long, boring chain ... it
depends on stuff which depends on libboost-mpi1.54.0 which causes
694 packages to be installed
Tracing through eventually leads to libhwloc5 which seems like it
should be harmless .. but that leads to libopencl1 which is a
virtual package. If you recall, opencl is a GPU general-purpose-
computing thing, so, unsurprisingly, we see a dependence on nvidia:
Package libopencl1 is a virtual package provided by:
nvidia-libopencl1-331-updates 331.113-0ubuntu0.0.4
nvidia-libopencl1-331 331.113-0ubuntu0.0.4
nvidia-libopencl1-304-updates 304.125-0ubuntu0.0.1
nvidia-libopencl1-304 304.125-0ubuntu0.0.1
ocl-icd-libopencl1 2.1.3-4
Next: apt-get install nvidia-libopencl1-331-updates results in: 0
upgraded, 681 newly installed, 0 to remove and 3 not upgraded.
Tracing through that, we get to nvidia-331-updates which requires
nvidia-prime which causes this:
0 upgraded, 696 newly installed, 0 to remove and 3 not upgraded.
This is on a server that doesn't have a graphics card ..
It appears that nvidia-prime is the prime suspect, here: somehow,
libhwloc5 , through libopencl, requies nvidia drivers to be
installed, but the nvidia drivers require a package that cause the
gnome+kde desktops to be installed ...
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