https://bugzilla.redhat.com/show_bug.cgi?id=1374126
Due to how the processing for authentication using polkit works, the
virshConnect code must first "attempt" an virConnectOpenAuth and then
check for a "special" return error code VIR_ERR_AUTH_UNAVAILABLE in
order to attempt to "retry" the authentication after performing a creation
of a pkttyagent to handle the challenge/response for the client.
However, if pkttyagent creation is not possible for the authentication
being attempted (such as perhaps a "qemu+ssh://someuser@localhost/system"),
then the same failure pattern would be returned and another attempt to
create a pkttyagent would be done. This would continue "forever" until
someone forced quit (e.g. ctrl-c) from virsh as the 'authfail' was not
incremented when creating the pkttyagent.
So add a 'agentCreated' boolean to track if we've attempted to create the
agent at least once and force a failure if that creation returned the same
error pattern.
This resolves a possible never ending loop and will generate an error:
error: failed to connect to the hypervisor
error: authentication unavailable: no polkit agent available to authenticate action 'org.libvirt.unix.manage'
NB: If the authentication was for a sufficiently privileged client, such as
qemu+ssh://root@localhost/system, then the remoteDispatchAuthList "allows"
the authentication to use libvirt since @callerUid would be 0.
Disclose the content of the 'test-suite.log' file (if available) in
case of failures inside Travis-CI. This is needed to understand what
happened and to provide hints about the proper fix (if applicable).
Many vendor id's and product id's have leading zeros. We should show
them in the logs.
Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
Reviewed-by: Laine Stump <laine@laine.org>
The @meminfo allocated in qemuMonitorGetMemoryDeviceInfo() may be
lost when qemuDomainObjExitMonitor() failed.
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1420740
Testing found an inventive way to cause an error at shutdown by providing the
parent name for the fc host creation using the "same name" as the HBA. Since
the code thus assumed the parent host name provided was the parent HBA and
just extracted out the host number and sent that along to the vport_destroy
this avoided checks made for equality.
So just add the equality check to that path to resolve.
While most of the APIs are okay with 16M messages, the bulk stats API
can run into the limit in big configurations. Before we devise a new
plan for this, bump this limit slightly to accomodate some more configs.
If the first console is just a copy of the first serial device we
don't need to iterate over the same device twice in order to perform
actions like security labeling, cgroup configuring, etc.
Currently only security SELinux manager was aware of this fact.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Put domain access after acquiring job condition, otherwise
another job can change it meanwhile.
Signed-off-by: Konstantin Neumoin <kneumoin@virtuozzo.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
We have to use waitDomainJob instead of waitJob, because of it
unlock the domain until job has finished, so domain will be available
for other clients.
Signed-off-by: Konstantin Neumoin <kneumoin@virtuozzo.com>
Setting the 'group_name' for a disk would falsely trigger a error path
as in commit 4b57f76502 we did not properly check the return value of
VIR_STRDUP.
Attempting to start a domain with USB hostdevs but no USB controllers
fails with the rather cryptic error
libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an
error message from QMP server: Bus 'xenusb-0.0' not found
This can be fixed by creating default USB controllers. When no USB
controllers are defined, create the number of 8 port controllers
necessary to accommodate the number of defined USB devices.
Note that USB controllers are already created as needed in the
domainAttachDevice code path. E.g. a USB controller will be created,
if necessary, when attaching a USB device with
'virsh attach-device dom usbdev.xml'.
This reverts commit 2841e675.
It turns out that adding the host_mtu field to the PCI capabilities in
the guest bumps the length of PCI capabilities beyond the 32 byte
boundary, so the virtio-net device gets 64 bytes of ioport space
instead of 32, which offsets the address of all the other following
devices. Migration doesn't work very well when the location and length
of PCI capabilities of devices is changed between source and
destination.
This means that we need to make sure that the absence/presence of
host_mtu on the qemu commandline always matches between source and
destination, which means that we need to make setting of host_mtu an
opt-in thing (it can't happen automatically when the bridge being used
has a non-default MTU, which is what commit 2841e675 implemented).
I do want to re-implement this feature with an <mtu auto='on'/>
setting, but probably won't backport that to any stable branches, so
I'm first reverting the original commit, and that revert can be pushed
to the few releases that have been made since the original (3.1.0 -
3.3.0)
Resolves: https://bugzilla.redhat.com/1449346
If a VNC listen address is not specified in domXML, libxl
will default to 127.0.0.1, but this is never reflected in the domXML.
In the case of spice, a missing listen address resulted in listening
on all interfaces, i.e. '0.0.0.0'. If not specified, set the listen
address in virDomainGraphicsDef struct to the libxl default when
creating the frame buffer device. Additionally, set default spice
listen address to 127.0.0.1.
The current README file contents has almost no useful info, and that
which does exist is very outdated.
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
There's a slight problem with the current function. Assume we are
currently in a data section and we have say 42 bytes until next
section. Therefore, just before (handler) is called to fill up
the buffer with data, @want is changed to 42 to match the amount
of data left in the current section. However, after hole is
processed, we are back in data section but with incredibly small
@want size. Nobody will ever reset it back. This results in
incredible data fragmentation.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit 6fb5dd4fd8 removed docs/archnetwork.html.in, but
left behind a pointer to it in docs/formatnetwork.html.in.
Update it so that it points to the wiki, which contains
more detailed and recent information anyway.
To every virDirOpen we must have VIR_DIR_CLOSE otherwise FD is
leaked.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The error message would contain first vcpu id after the list of vcpus
selected for modification. To print the proper vcpu id remember the
first vcpu selected to be modified.
@reply is a DBusMessage object returned by virDBusCallMethod in
get machine object call path, dereference it before calling
virDBusCallMethod again to get machine name.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Both variables for gcov and oom have wrong names inside configure.ac.
For this reason, the Test Suite configuration is not showing the current
configuration.
Before patching:
configure: windres: no
configure:
configure: Test suite
configure:
configure: Coverage:
configure: Alloc OOM:
configure:
configure: Miscellaneous
After patching (using --enable-test-coverage and --enable-test-oom):
configure: windres: no
configure:
configure: Test suite
configure:
configure: Coverage: yes
configure: Alloc OOM: yes
configure:
configure: Miscellaneous
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
It is possible to crash libvirtd when converting xl native config to
domXML when the xl config contains an empty disk source, e.g. an empty
CDROM. Fix by checking that the disk source is non-NULL before parsing it.
Signed-off-by: Wim ten Have <wim.ten.have@oracle.com>
On systems with older glibc including fcntl.h for getting
FALLOC_FL_PUNCH_HOLE defined is not enough. We must also include
linux/falloc.h.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Some older systems (such as RHEL6) lack SEEK_HOLE and SEEK_DATA
which virFileInData relies on. Provide a stub for these systems.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Add explicit denies for disk devices to avoid cluttering dmesg with
(acceptable) denials.
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Guido Günther <agx@sigxcpu.org>
The code causes the 'offset' variable to be overwritten (possibly with
NULL if neither of the vCPUs is halted) which causes a crash since the
variable is still used after that part.
Additionally there's a bug, since strstr() would look up the '(halted)'
string in the whole string rather than just the currently processed line
the returned data is completely bogus.
Rather than switching to single line parsing let's remove the code
altogether since it has a commonly used JSON monitor alternative and
the data itself is not very useful to report.
The code was introduced in commit cc5e695bde
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1452106
There is a wrong 'return' statement after a 'goto' statement inside the
function virConnectCloseCallbackDataRegister(). This commit only removes
the 'return'.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Currently, we don't assign any meaning to that. Our current view
on virStream is that it's merely a pipe. And pipes don't support
seeking.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit e3ba4025 introduced srv->handles and VIR_RESIZE_N to allocate
@handles as necessary, but did not free the handles during when calling
virNetlinkEventServiceStop.
Commit 15a71e60 introduced the virNetlinkEventServiceStopAll function, and
the code in virNetlinkEventServiceStop is copied to this function, so just
call virNetlinkEventServiceStop instead.
Start discovering the mediated devices on the host system and format the
attributes for the mediated device into the XML. Compared to the parent
device which reports generic information about the abstract mediated
devices types, a child device only reports the type name it has been
instantiated from and the IOMMU group number, since that's device
specific compared to the rest of the info that can be gathered about
mediated devices at the moment.
This patch introduces both the formatting and parsing routines, updates
nodedev.rng schema, adding a testcase as well.
The resulting mdev child device XML:
<device>
<name>mdev_4b20d080_1b54_4048_85b3_a6a62d165c01</name>
<path>/sys/devices/.../4b20d080-1b54-4048-85b3-a6a62d165c01</path>
<parent>pci_0000_06_00_0</parent>
<driver>
<name>vfio_mdev</name>
</driver>
<capability type='mdev'>
<type id='vendor_supplied_type_id'/>
<iommuGroup number='NUM'/>
<capability/>
<device/>
https://bugzilla.redhat.com/show_bug.cgi?id=1452072
Signed-off-by: Erik Skultety <eskultet@redhat.com>
The parent device needs to report the generic stuff about the supported
mediated devices types, like device API, available instances, type name,
etc. Therefore this patch introduces a new nested capability element of
type 'mdev_types' with the resulting XML of the following format:
<device>
...
<capability type='pci'>
...
<capability type='mdev_types'>
<type id='vendor_supplied_id'>
<name>optional_vendor_supplied_codename</name>
<deviceAPI>vfio-pci</deviceAPI>
<availableInstances>NUM</availableInstances>
</type>
...
<type>
...
</type>
</capability>
</capability>
...
</device>
https://bugzilla.redhat.com/show_bug.cgi?id=1452072
Signed-off-by: Erik Skultety <eskultet@redhat.com>
The reason for introducing two capabilities, one for the device itself
(cap 'mdev') and one for the parent device listing the available types
('mdev_types'), is that we should be able to do
'virsh nodedev-list --cap' not only for existing mdev devices but also
for devices that support creation of mdev devices, since one day libvirt
might be actually able to create the mdev devices in an automated way
(just like we do for NPIV/vHBA).
https://bugzilla.redhat.com/show_bug.cgi?id=1452072
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Since there's at least SRIOV and MDEV sub-capabilities to be parsed,
let's make the code more readable by splitting it to several logical
blocks.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Namely, this patch is about virMediatedDeviceGetIOMMUGroup{Dev,Num}
functions. There's no compelling reason why these functions should take
an object, on the contrary, having to create an object every time one
needs to query the IOMMU group number, discarding the object afterwards,
seems odd.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
