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We have no such check in any of the other tools, hence don't have one in
nspawn either.
(This should make things nicer for Rocket, among other things)
Note: removing this check does not mean that we support running nspawn
on non-systemd. We explicitly don't. It just means that we remove the
check for running it like that. You are still on your own if you do...
QEMU/KVM guests do not have hypervisor nodes, but they do have
fw-cfg nodes (since qemu v2.3.0-rc0). fw-cfg nodes are documented,
see kernel doc Documentation/devicetree/bindings/arm/fw-cfg.txt,
and therefore we should be able to rely on it in this detection.
Unfortunately, we currently don't have enough information in the
DT, or elsewhere, to determine if we're using KVM acceleration
with QEMU or not, so we can only report 'qemu' at this time, even
if KVM is in use. This shouldn't really matter in practice though,
because if detect-virt is used interactively it will be clear to
the user whether or not KVM acceleration is present by the overall
speed of the guest. If used by a script, then the script's behavior
should not change whether it's 'qemu' or 'kvm'. QEMU emulated
guests and QEMU/KVM guests of the same type should behave
identically, only the speed at which they run should differ.
Kernel doc Documentation/ABI/testing/sysfs-firmware-ofw says that
the /proc/device-tree symlink should be used, as opposed to
directly accessing /sys/firmware/devicetree/base. The former is
ABI, but not the later.
Entropy Graph code doesn't handle the error condition if open() of /proc entry
fails. Moreover, the file is only opened once and only first sample will contain
the correct value because the return value of pread() is also not handled
properly and file is not re-opened. Fix both problems.
Correctly handle the potential failure of fdopen() (because of OOM, for instance)
after potentially successful open(). Prevent leaking open fd in such case.
also removes this warning:
src/udev/cdrom_id/cdrom_id.c: In function ‘cd_media_info.isra.13’:
src/udev/cdrom_id/cdrom_id.c:612:12: warning: assuming signed overflow
does not occur when assuming that (X + c) >= X is always true
[-Wstrict-overflow]
static int cd_media_info(struct udev *udev, int fd)
^
like:
src/shared/install.c: In function ‘unit_file_lookup_state’:
src/shared/install.c:1861:16: warning: ‘r’ may be used uninitialized in
this function [-Wmaybe-uninitialized]
return r < 0 ? r : state;
^
src/shared/install.c:1796:13: note: ‘r’ was declared here
int r;
^
Expiring prefixes need not be handled anymore as the kernel has been
instructed not to create routes for DHCPv6 assigned addresses via the
IFA_F_NOPREFIXROUTE flag.
The IFA_F_NOPREFIXROUTE flag prevents the kernel from creating new onlink
prefixes when a DHCPv6 IPv6 address with a prefix length is set from user
space. IPv6 routing will follow the onlink status from Router Advertisment
Prefix Information options or any manually set route, which is the correct
thing to do.
As this flag has a larger value than what fits into an unsigned char, update
the flag attribute to an uint32_t and set it with an IFA_FLAGS attribute
when writing netlink messages to the kernel.
When parsing words from input files, optionally automatically unescape
the passed strings, controllable via a new flags parameter.
Make use of this in tmpfiles, and port everything else over, too.
This improves parsing quite a bit, since we no longer have to process the
same string multiple times with different calls, where an earlier call
might corrupt the input for a later call.
And other non-device entries (like fstab does).
Mount whatever the user asked to be mounted on / on the kernel
command line. Do less sanity check and do *not* bail out
when the mount device looks strange or does not exist.
This basically makes the changes for deviceless filesystems
from yesterday unnecessary and is in line with what we do for
filesystems set up in fstab.
Remove some code that is now dead (reverting fb02a2775a and
b0438462).
[tomegun:
- change patch title/description a bit.
- don't touch the /usr logic, that would be a separate change and
we don't currently have a convincing use-case for that.
- don't bail out on /sys ro. This only makes sense in containers,
where we would not be doing this anyway. If there is a use-case
we could consider that as a separate patch.]
On Mon, Mar 23, 2015 at 8:55 AM, Mantas Mikulėnas <grawity@gmail.com> wrote:
> On Tue, Mar 17, 2015 at 11:50 PM, Kay Sievers <kay@vrfy.org> wrote:
>> On Tue, Mar 17, 2015 at 5:00 PM, Mantas Mikulėnas <grawity@gmail.com>
>> wrote:
>> > Accidentally dropped in 1aff20687f.
>> > ---
>> > rules/60-persistent-storage.rules | 2 +-
>> > 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> > +KERNEL!="loop*|mmcblk[0-9]*|mspblk[0-9]*|nvme*|sd*|sr*|vd*",
>> > GOTO="persistent_storage_end"
>>
>> We can't do that, we need to ignore the mmc*rpmb devices:
>>
>> http://cgit.freedesktop.org/systemd/systemd/commit/?id=b87b01cf83947f467f3c46d9831cd67955fc46b9
>>
>> Maybe "mmcblk*[0-9]" will work?
>
> Yeah, that would probably work (the names are like mmcblk0p1 etc.)
We planned to support (the conceptually broken) daylight saving
time/local time features in the kernel, SCSI, networking, FAT
filesystem, but it turned out to be a race we cannot win and do
not want to get involved. Systemd should not fiddle with daylight
saving time or parse timezone information itself.
Leave everything to glibc or tools like date(1) and do not make any
promises or raise expectations that systemd should handle anything
like this.
In Debian and rawhide Fedora, which have CONFIG_SCHEDSTATS=n,
bootchart creates empty files in /run/log before printing an error.
Stop doing that.
Moreover this duplicated part of the code doesn't even have error checking
so there is no error avoided by doing this early.
Reported-by: tfirg_ on IRC
We strips out NLMSG_DONE piece from a multi-part message adding into the
receive queue only the messages containing actual data.
If we send a request to the kernel for getting the forwarding database table (just an example),
the response will be a multi-part message like below:
1. FDB entry 1;
2. FDB entry 2;
3. NLMSG_DONE;
We strip out "3. NLMSG_DONE;" part and places into the receive queue a pointer to
"1. FDB entry 1; 2. FDB entry 2".
But if the FDB table is empty, the respose from the kernel will look like below:
1. NLMSG_DONE;
We strip out "1. NLMSG_DONE;" part and since there is no actual data got, it continues
waiting until reaching timeout.
Therefore, a call to "sd_rtnl_call" to send and wait for a response from kernel will exit
with timeout which is interpreted as error in communication.
This patch puts the NLMSG_DONE message on the receive queue if it ends an empty multi-part
message. This situation is detected in sd_rtnl_call() and in the callback code and NULL is
returned to the caller instead.
[tomegun:
- added/reworded commit message
- extend the same support to sd_rtnl_call_async()
- drop debug logging from library, we only do this if something is really wrong, but an
empty multi-part message is perfectly normal
- modernize the code we touch whilst we are at it]
Bug introduced in 984f1b1d1b. The state was flipped later,
but the enable/disable routine made use of the state to decide
what to do.
context_enable_ntp() and context_start_ntp() now get the desired
state directly, so the Context parameter can be removed.
We'd use the generic check for disable, and a unit-file-specific one for enable.
Use the more specific one both ways.
systemd[1]: SELinux access check scon=system_u:system_r:systemd_timedated_t:s0 tcon=system_u:system_r:init_t:s0 tclass=system perm=disable path=(null) cmdline=/usr/lib/systemd/systemd-timedated: -13
systemd[1]: SELinux access check scon=system_u:system_r:systemd_timedated_t:s0 tcon=system_u:object_r:systemd_unit_file_t:s0 tclass=service perm=enable path=/usr/lib/systemd/system/systemd-timesyncd.service cmdline=/usr/lib/systemd/systemd-timedated: -13
https://bugzilla.redhat.com/show_bug.cgi?id=1014315
timedated would set the internal status before calling out to systemd to do
the actual change. When the operation was refused because of a SELinux denial,
the state kept in timedated would get out of sync, and the second call from
timedatectl would appear to succeed.
https://bugzilla.redhat.com/show_bug.cgi?id=1014315
A failed priority is not something worth stopping boot over. Most people
have only one swap device, in which case priority is irrelevant, and even
if there is more than one swap device, they are all usable, and ignoring the
priority field should only result in some loss of performance.
The kernel will report the priority as -1 if not set, so it's easy for
people to make this mistake.
https://bugzilla.redhat.com/show_bug.cgi?id=1204336
We should never access parents, as the sysfs hierarchy is in no way
stable. Use KERNELS== etc. to match on a parent, then access it via
$attr{} (which accesses the matching device, not the current device).
We match on the evdev node, but only the parent has a "name" attribute.
Use $attr{device/name} to access it.
This is borked since 2013, I wonder how that ever worked? Maybe this will
suddenly fix all the DMI-based key detections.
Thanks to Peter Hutterer for catching this!
Allow systemd-tmpfiles to set the file/directory attributes, like
chattr(1) does. Two more commands are added: 'H' and 'h' to set the
attributes, recursively and not.
