This bug was fixed in the package linux-firmware-snapdragon -
1.3-0ubuntu3
---------------
linux-firmware-snapdragon (1.3-0ubuntu3) bionic; urgency=low
* Remove a300_[pfp|mp4].fw since they are now part of linux-firmware
(>=1.157.13) (LP: #1728908)
-- Paolo Pisati <paolo.pis...@canonical.com> Mon, 30 Oct 2017 11:37:07
+0100
** Changed in: linux-firmware-snapdragon (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1728908
Title:
a300_[pfp|pm4].fw clashes when installing linux-firmware
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-firmware-snapdragon package in Ubuntu:
Fix Released
Status in linux-firmware source package in Xenial:
In Progress
Status in linux-firmware-snapdragon source package in Xenial:
In Progress
Status in linux-firmware source package in Artful:
In Progress
Status in linux-firmware-snapdragon source package in Artful:
In Progress
Bug description:
[Impact]
Starting with linux-firmware 1.157.13, two files (a300_[pfp|pm4].fw)
that were previously part of linux-firmware-snapdragon 1.2-0ubuntu1,
are now integrated in the linux-firmware package itself, resulting in
a file clash when these two packages are installed together:
..
Selecting previously unselected package linux-firmware-snapdragon.
Preparing to unpack .../linux-firmware-snapdragon_1.2-0ubuntu1_arm64.deb ...
Unpacking linux-firmware-snapdragon (1.2-0ubuntu1) ...
dpkg: error processing archive
/var/cache/apt/archives/linux-firmware-snapdragon_1.2-0ubuntu1_arm64.deb
(--unpack):
trying to overwrite '/lib/firmware/a300_pm4.fw', which is also in
package linux-firmware 1.157.13
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Selecting previously unselected package linux-image-snapdragon.
Preparing to unpack .../linux-image-snapdragon_4.4.0.1077.69_arm64.deb ...
Unpacking linux-image-snapdragon (4.4.0.1077.69) ...
Errors were encountered while processing:
/var/cache/apt/archives/linux-firmware-snapdragon_1.2-0ubuntu1_arm64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
make: *** [all] Error 100
...
This problem is particularly evident when a new snapdragon kernel snap
is assembled, since the the building process breaks (and no kernel
snap is generated):
https://launchpadlibrarian.net/343287945
/buildlog_snap_ubuntu_xenial_arm64_snapdragon-kernel-
test_BUILDING.txt.gz
To fix the problem i removed the two files from linux-firmware-
snapdragon 1.3-0ubuntu1 and pushed this new version to my ppa:
https://launchpad.net/~p-pisati/+archive/ubuntu/embedded/+packages
linux-firmware-snapdragon - 1.3-0ubuntu1
[Test case]
Try to build a snapdragon kernel snap using Xenial/updates - with
linux-firmware 1.157.13 and linux-firmware-snapdragon 1.2-0ubuntu1 it
won't complete, while with linux-firmware-snapdragon 1.3-0ubuntu1 it
will successfully complete.
[Regression risk]
The files imported in linux-firmware are the same files we
shipped in linux-firmware-snapdragon:
$ md5sum /lib/firmware/qcom/a300_pfp.fw
25aa81977303142bdc4490efad16138b /lib/firmware/qcom/a300_pfp.fw
$ md5sum /lib/firmware/qcom/a300_pm4.fw
d657cacd951742d9bbbe74224347cffe /lib/firmware/qcom/a300_pm4.fw
$ md5sum dragon410c-firmware.orig/lib/a300_pfp.fw
25aa81977303142bdc4490efad16138b dragon410c-firmware.orig/lib/a300_pfp.fw
$ md5sum dragon410c-firmware.orig/lib/a300_pm4.fw
d657cacd951742d9bbbe74224347cffe dragon410c-firmware.orig/lib/a300_pm4.fw
so the regression risk is very low.
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