** Description changed:
+ [Impact]
+
With the introduction of linux-modules-extra, some modules that were
previously provided by linux-modules are now provided by linux-modules-
extra. Since this is a non-essential package which doesn't get install
automatically, we might be missing some 'important' modules. At the
minimum, add all the modules that are required by the raspi DTBs and
overlays.
+
+ [Test Case]
+
+ For example, enable the Pi PWM overlay with
+
+ dtoverlay=pwm-2chan,pin=12,func=4,pin2=13,func2=4
+
+ and then check lsmod:
+ $ lsmod | grep pwm_bcm2835
+
+ The module is not loaded because it is provided by the linux-modules-
+ extra package which is not installed by default.
+
+ [Fix]
+
+ Identify modules that are required by Pi DTBs and overlays and add them
+ to the linux-modules package.
+
+ [Where Problems Could Occur]
+
+ New modules might get loaded which could trigger kernel crashes.
** Changed in: linux-raspi (Ubuntu Impish)
Assignee: (unassigned) => Juerg Haefliger (juergh)
** Changed in: linux-raspi (Ubuntu)
Assignee: Juerg Haefliger (juergh) => (unassigned)
** Changed in: linux-raspi (Ubuntu Impish)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1949370
Title:
Missing modules in linux-modules
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