This bug was fixed in the package bbswitch - 0.8-10ubuntu1
---------------
bbswitch (0.8-10ubuntu1) jammy; urgency=medium
* Fix build error on architectures that don't have ACPI enabled
(LP: #1951583)
-- Andrea Righi <andrea.ri...@canonical.com> Mon, 29 Nov 2021 06:45:50
+0000
** Changed in: bbswitch (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1951583
Title:
bbswitch dkms build failure with 5.15 on armhf and ppc64el
Status in bbswitch package in Ubuntu:
Fix Released
Status in bbswitch source package in Jammy:
Fix Released
Bug description:
[Impact]
bbswitch is failing to build with the latest jammy kernel 5.15 on
armhf and ppc64el.
The build error that we get looks like the following:
CC [M] /var/lib/dkms/bbswitch/0.8/build/bbswitch.o
/var/lib/dkms/bbswitch/0.8/build/bbswitch.c: In function ‘bbswitch_off’:
/var/lib/dkms/bbswitch/0.8/build/bbswitch.c:271:13: error: implicit
declaration of function ‘acpi_bus_get_device’; did you mean
‘acpi_get_gpe_device’? [-Werror=implicit-function-declaration]
271 | r = acpi_bus_get_device(dis_handle, &ad);
| ^~~~~~~~~~~~~~~~~~~
| acpi_get_gpe_device
/var/lib/dkms/bbswitch/0.8/build/bbswitch.c:276:15: error: invalid use of
undefined type ‘struct acpi_device’
276 | if (ad->power.state == ACPI_STATE_UNKNOWN) {
| ^~
/var/lib/dkms/bbswitch/0.8/build/bbswitch.c:278:15: error: invalid use of
undefined type ‘struct acpi_device’
278 | ad->power.state = ACPI_STATE_D0;
| ^~
[Test case]
Install bbswitch-dkms.
[Fix]
It looks like bbswitch is using acpi_bus_get_device() on any
architectures to check for suspend events, but this function is not
available on armhf or ppc64el. The fix would be to avoid doing this
check (and using acpi_bus_get_device()) on architectures that don't
have this capability.
[Regression potential]
We should see potential bbswitch regressions on armhf or ppc64el if
they have suspend events (similar problem that is addressed on amd64 /
arm64).
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/bbswitch/+bug/1951583/+subscriptions
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