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Commit 42cc2855ba incorrectly removed the condition on sysfs in both
sys-fs-fuse-connections.mount and sys-kernel-config.mount. However there are
still needed in case modprobe of one of these modules is intentionally skipped
(due to lack of privs for example).
This patch restores the 2 conditions which should be safe for the common case,
since all conditions are only checked after all deps ordered before are
complete.
Follow-up for 42cc2855ba.
Otherwise if a daemon-reload happens somewhere between the enqueue of the job
start for the scope unit and scope_start() then u->pids might be lost and none
of the processes specified by "PIDs=" will be moved into the scope cgroup.
These three syscalls are internally used by libc's memory allocation
logic, i.e. ultimately back malloc(). Allocating a bit of memory is so
basic, it should just be in the default set.
This fixes a couple of issues with asan/msan and the seccomp tests: when
asan/msan is used some additional, large memory allocations take place
in the background, and unless mmap/mmap2/brk are allowlisted these will
fail, aborting the test prematurely.
udev requests to start the fs mount units when their respective module is
loaded. For that it monitors uevents of type "ADD" for the relevant fs modules.
However the uevent is sent by the kernel too early, ie before the init() of the
module is called hence before directories in /sys/fs/ are created.
This patch workarounds adds "Requires/After=modprobe@<fs-module>.service" to
the mount unit, which means that modprobe(8) will be called once the fs module
is announced to be loaded. This sounds pointless, but given that modprobe only
returns after the initialization of the module is complete, it should
workaround the issue.
As a side effect, the module will be automatically loaded if the mount unit is
started manually.
Fixes#17586.
This reverts commit 9cbf1e58f9.
The presence of /sys/module/%I directory can't be used to assert that the load
of a given module is complete and therefore the call to modprobe(8) can be
skipped. Indeed this directory is created before the init() function of the
module is called.
Users of modprobe@.service needs to be sure that once this service returns the
module is fully operational.
The Lenovo ThinkPad Yoga 11e 360 degree hinges style 2-in-1s use 2
accelerometers, 1 in the display and 1 in the base.
Kernel work is under way to also export the second accelerometer in
the base as an iio-device; and userspace work is underway to use
both accelerometers on 360 degree hinges style 2-in-1s (with 2 accels)
to figure out the angle between the 2 halves.
So far most orientation-matrix quirks have not cared much about the
Z-axis being correct, but in these 2 accelerometer setups getting
the Z-axis correct is important too.
The KIOX010A and KIOX02A ACPI hw-ids (HIDs) are used in 360 degree hinges
style 2-in-1s which have 2 accelerometers, 1 in the display (as usual) and
a second accelerometer in the base.
So far 60-sensor.hwdb has only defined a mount-matrix for the
sensor with the KIOX010A HID, which is the sensor in the display
half of the device. The reason for this is that sofar userspace has
only cared actually used the sensor in the display (for automatic
display rotation. Work is underway to make userspace use both sensors:
https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/issues/216
Recently an entry was added for the Medion Akoya's E2221T base-sensor,
but that was added to mark it with ACCEL_LOCATION=base and the entry
simply used the identity-matrix for ACCEL_MOUNT_MATRIX since nothing
is using the mount-matrix info for the second accelerometer.
I believe that this entry was added because on some devices the second
accelerometer gets enumerated first and then iio-sensor-proxy will
wrongly use the second sensor for display-rotation, unless it is marked
with ACCEL_LOCATION=base.
Instead of adding info for the second accelerometer on a per device
basis use the same generic dmi matches as used for the first (KIOX010A)
sensor, replacing the special case added for the E2221T and also
update the ACCEL_MOUNT_MATRIX with the actual mount-matrix for the
KIOX020A sensor in the base of these devices.
This was tested on a Medion Akoya E2228T.
Document how the mount-matrix for the base-accelerometer must be set on
360 degree hinges style 2-in-1s with 2 sensors (one in the display and
1 in the base).
Note the choice to define the lid being fully closed as an angle of
0 degrees is based on the ACPI tables of devices with a BOSC0200
ACPI device-node describing both sensors. In this case the ACPI
tables contain mount-matrix info (and the kernel will soon support
reading this and exporting it to userspace) and the mount-matrices
defined in these ACPI tables are such that the angle of the G-force
vector measured by the sensors is identical for both sensors when
the laptop's lid is fully closed.
This also feels more natural then defining the laptop being fully
open (180 degrees open) as the home / 0 degree angle position.
In Fedora rawhide various perl modules are now available as separate
packages that are not pulled in by dependencies. If we don't have some
package, skip the tests.
This ugly code is apparently the way to do conditional imports:
https://www.cs.ait.ac.th/~on/O/oreilly/perl/cookbook/ch12_03.htm.
This reverts commit 34136e1503.
Having the "%H" host name specifier in a DNSSD service name template
triggers a failed assertion during name template instantiation as
specifier_dnssd_host_name expects DnssdService in its userdata
pointer but finds NULL instead.
In NEWS, the new option was described twice, most likely because the first
description was tucked away in a paragraph about some other subject.
While at it, improve the descriptions in the man page to make it easier to grok
what that option really does.
