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ISO-C doesn't allow empty initializers, so replace it by explicitly
initializing to zero.
Also add braces because x is a union and we initialize a subobject, so
a compiler might warn about suggesting braces. Shut that up.
It does two things:
1. It derives the element size from the array argument type
2. It derives the right type for the function from the array argument
type
Using this macro call should make the invocations of qsort() quite a bit
safer.
$ sudo swapoff -av
swapoff /dev/vda4
$ sudo systemctl hibernate
Failed to hibernate system via logind: Not enough swap space for hibernation
Fixes#6729.
If hibernate.target is masked, and systemctl hibernate is invoked, havoc ensues.
logind starts the hibernation operation, but then doesn't go through with it;
gnome-shell segfaults. Let's be nice to the user and refuse doing anything in
that case.
$ sudo systemctl mask hibernate.target
$ busctl call org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager CanHibernate
s "no"
$ sudo systemctl hibernate
Failed to hibernate system via logind: Access denied
Failed to start hibernate.target: Unit hibernate.target is masked.
https://bugzilla.redhat.com/show_bug.cgi?id=1468003#c4
can_sleep() returns 0 if the operation is impossible, but
the code assumed that negative is returned in that case,
in effect reporting s2h was possible even if hibernation or
suspend were not possible.
Incorrect range and resolution for the touchpad at a Toshiba Satellite R830 reported by kernel. After running
$ sudo touchpad-edge-detector 85x50 /dev/input/event4
the new axis overrides are as follows
#Toshiba Satellite R830
evdev:name:SynPS/2 Synaptics TouchPad:dmi:svnTOSHIBA:pnSATELLITER830
EVDEV_ABS_00=1238:5785:53
EVDEV_ABS_01=1045:4826:76
EVDEV_ABS_35=1238:5785:53
EVDEV_ABS_36=1045:4826:76
Those overrides have been tested to work.
This addresses missing feature on #8677
Devices in Hyper-V/Azure exist on vmbus and are identified by
UUID value. This patch adds a hardware table so that udevadm
can report properties. I chose names are based on the values
reported in Window Device Manager (for consistency).
The table includes several devices that are not used by Linux
but are present and ignored.
For example:
$ udevadm info -q property /sys/bus/vmbus/devices/58f75a6d-d949-4320-99e1-a2a2576d581c
DEVPATH=/devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0004:00/VMBUS:00/58f75a6d-d949-4320-99e1-a2a2576d581c
DRIVER=hid_hyperv
ID_MODEL_FROM_DATABASE=Microsoft Hyper-V Mouse
MODALIAS=vmbus:9eb6a8cf4a5bc04cb98b8ba1a1f3f95a
SUBSYSTEM=vmbus
USEC_INITIALIZED=11076966
Or with updated kernel the driverctl script.
$ driverctl -b vmbus -v list-devices
1eccfd72-4b41-45ef-b73a-4a6e44c12924 hv_balloon (Microsoft Hyper-V Dynamic Memory)
242ff919-07db-4180-9c2e-b86cb68c8c55 hv_util (Microsoft Hyper-V Data Exchange)
2450ee40-33bf-4fbd-892e-9fb06e9214cf hv_util (Microsoft Hyper-V Backup/Restore)
2dd1ce17-079e-403c-b352-a1921ee207ee hv_util (Microsoft Hyper-V Time Sync)
4487b255-b88c-403f-bb51-d1f69cf17f87 (none) (Microsoft Hyper-V Virtual Machine Activation)
53557f8e-057d-425b-9265-01c0fd7e273e hv_netvsc (Microsoft Hyper-V Network Adapter)
5620e0c7-8062-4dce-aeb7-520c7ef76171 hyperv_fb (Microsoft Hyper-V Video)
58f75a6d-d949-4320-99e1-a2a2576d581c hid_hyperv (Microsoft Hyper-V Mouse)
849a776e-8120-4e4a-9a36-7e3d95ac75b3 hv_netvsc (Microsoft Hyper-V Network Adapter)
99221fa0-24ad-11e2-be98-001aa01bbf6e (none) (Microsoft Hyper-V Remote Desktop Control)
b2f44faf-2a29-42ba-91b2-f13fd30a2d4b hv_storvsc (Microsoft Hyper-V SCSI Controller)
b6650ff7-33bc-4840-8048-e0676786f393 hv_util (Microsoft Hyper-V Guest Shutdown)
d34b2567-b9b6-42b9-8778-0a4ec0b955bf hyperv_keyboard (Microsoft Hyper-V Keyboard)
f5bee29c-1741-4aad-a4c2-8fdedb46dcc2 (none) (Microsoft Hyper-V Remote Desktop Virtualization)
fd149e91-82e0-4a7d-afa6-2a4166cbd7c0 hv_util (Microsoft Hyper-V Heartbeat)
The Linux kernel is adding support for configuring the offset
into a disk. This allows swapfiles to be more usable as users
will no longer need to set the offset on their kernel command
line.
Use this API in systemd when hibernating as well.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
$ build/systemd-analyze time
Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=0).
Please try again later.
Hint: Use 'systemctl list-jobs' to see active jobs
The plot command requires a full d-bus bus to fetch the host
information, which seems rather optional, and having a running dbus
daemon is not always desirable. So instead, we try to acquire a full
bus, and if that fails we acquire the systemd bus, in which case we
omit the host information from the output.
We refactor acquire_bus() into two new functions which in addition
makes the call sites clearer.
Udev workers consume typically 50-100MiB virtual memory.
On systems with lots of CPUs and relatively low memory, that may
easily cause workers to be OOM-killed.
This patch limits the number of workers to 8 per GiB memory.
But don't let the limit drop below the smallest value we had
without this patch (8 + 1 * 2 = 10); on small systems, udev's
memory footprint is likely lower.
Clarify the helper/checker terminology in the systemd-fsck@.service manpage to
make the description more clear about what is responsible for deciding if a filesystem
needs checking.
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.
I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
Otherwise, network interfaces can be "moved" into the container's
namespace while it's still the same as the host namespace, in which case
e.g. host0 for a veth ends up on the host side instead of inside the
container.
Regression introduced in 0441378080.
Fixes#8599.
When we try to read meta-data from an image, don't bother with mounting
/home or the ESP, as that's not where the metadata is. This not only
speeds things up a bit, but also has the benefit that setups where an
unencrypted root is mixed with an encrypted /home (which I have on one
of my own systems) won't result in errors that the crypto key is needed.
This extends on #8609, and makes two changes:
1. We'll now explicitly check that the child devices of a block device
we are interested in (i.e. the partitions) are block devices themselves.
On newer kernels the mmc rpmb stuff is actually exposed as char rather
than block device as before, and they probably should have been that in
the first place. By adding this check we'll hence filter out these weird
devices through a second rule too, that hopefully makes things a bit
more future-proof, should more devices like this be added eventually,
or other subsystems do a similar thing.
2. When counting partitions we'll now also check the devnum of the
device being non-null, which we already do when matching up the devices
in the second iteration. This should make things more robust, and
prevent other kinds of miscounting, which after all was the main
issue #8609 fixed.
If an rfkill device disappears between the time we get notified about
the existance and we fully opened it we might get ENXIO or ENODEV (i.e.
the two kinds of "device not found" errors, which are typically
generated when for example a device node has no actual backing device
behind it). let's handle that the same way as ENOENT, and downgrade the
log message to LOG_DEBUG.
Fixes: #8586
