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Use the detected tray presence flag to trigger the tray waiting code
only if the given storage device in qemu reports to have a tray.
This is necessary as the floppy device lost it's tray as of qemu commit:
commit abb3e55b5b718d6392441f56ba0729a62105ac56
Author: Max Reitz <mreitz@redhat.com>
Date: Fri Jan 29 20:49:12 2016 +0100
Revert "hw/block/fdc: Implement tray status"
Commit 1fad65d49a used a really big hammer
and overwrote the error message that might be reported by qemu if the
tray is locked. Fix it by reporting the error only if no error is
currently set.
Error after commit mentioned above:
error: internal error: timed out waiting for disk tray status update
New error:
error: internal error: unable to execute QEMU command 'eject': Tray of
device 'drive-ide0-0-0' is not open
Extract information for all disks and update tray state and source only
for removable drives. Additionally store whether a drive is removable
and whether it has a tray.
Extract whether a given drive has a tray and whether there is no image
inserted.
Negative logic for the image insertion is chosen so that the flag is set
only if we are certain of the fact.
When reviewing libxl vif typename series[0] I found a bug
on xen-xm formatter where "virsh domxml-to-native xen-xm file.xml"
can lead to a NULL dereference if the disk driver isn't specified.
Fix this by checking for driver before writing/testing it down.
[0] https://www.redhat.com/archives/libvir-list/2016-April/msg01434.html
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
This is identical to type='bridge', but without the "connect to a
bridge" part, so it can be handled by using the same functions (and
often even the same cases in switch statements), after renaming
virLXCProcessSetupInterfaceBridged() to virLXCProcessInterfaceTap()
and enhancing it to skip bridge-related items when brname == NULL.
To be truly useful, we need to support setting the ip address on the
host side veth as well as guest side veth (already supported for
type='bridge'), as well as setting the peer address for both.
The <script> element (supported by type='ethernet' in qemu) isn't
supported in this patch. An error is logged at domain start time if it
is encountered. This may be changed in a later patch.
This patch follows the pattern used in qemu driver regarding
reference counting.
It changes lxcDomObjFromDomain() to ref the domain (using
virDomainObjListFindByUUIDRef()) and adds virDomainObjEndAPI() which
should be the only function in which the return value of
virObjectUnref() is checked. This makes all reference counting
deterministic and makes the code a bit clearer.
Signed-off-by: Katerina Koukiou <k.koukiou@gmail.com>
Below is backtraces of two deadlocked threads:
thread #1:
virDomainConfVMNWFilterTeardown
virNWFilterTeardownFilter
lock updateMutex <------------
_virNWFilterTeardownFilter
try to lock interface <----------
thread #2:
learnIPAddressThread
lock interface <-------
virNWFilterInstantiateFilterLate
try to lock updateMutex <----------
The problem is fixed by unlocking interface before calling
virNWFilterInstantiateFilterLate to avoid updateMutex and interface ordering
deadlocks. Otherwise we are going to instantiate the filter while holding
interface lock, which will try to lock updateMutex, and if some other thread
instantiating a filter in parallel is holding updateMutex and is trying to
lock interface, both will deadlock.
Also it is safe to unlock interface before virNWFilterInstantiateFilterLate
because learnIPAddressThread stopped capturing packets and applied necessary
rules on the interface, while instantiating a new filter doesn't require a
locked interface.
Signed-off-by: Maxim Nestratov <mnestratov@virtuozzo.com>
Fix the regex for excluding files for this syntax-rule. The rule "include/"
will not work, because we are matching the whole line like this
"^(...|include/|...)$ so we need to use "include/libvirt/libvirt.+". The second
issue is that we are using only one '$' but there should be two of those at the
end. The last small adjustment is to escape dots '.' so it match only dot.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
We need to append GNUTLS_CFLAGS while building utils because virtcrypto
is using it. This fixes build on freebsd where gnutuls is in
/usr/local/include.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Test disk-drive-network-rbd-auth-AES depends on existence of
gnutls_cipher_encrypt() function which was introduced in gnutls 2.10.0.
On systems without this function we should skip this test.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
If try to stop VM or container which is already stopped than
Virtuozzo 7 returns code PRL_ERR_INVALID_ACTION_REQUESTED.
Error code PRL_ERR_DISP_VM_IS_NOT_STARTED is used in Virtuozzo 6
Commit 5e54361c added virStoragePoolObjClearVols before refreshPool
to prevent duplicate volume entries.
However it is not needed here because we're not refreshing the pool yet,
just checking for the existence of the refresh callback.
The actual refresh is done via virStorageVolFDStreamCloseCb
in virStorageVolPoolRefreshThread, which already calls
virStoragePoolObjClearVols.
This test requests a read-only virtual FAT drive on the IDE bus.
Read-only IDE drives are unsupported, but libvirt only displays
the error if it has the QEMU_CAPS_DRIVE_READONLY capability.
Read-write FAT drives are also unsupported.
Rather than only assigning a PCI address when no address is given at
all, also do it when the config says that the address type is 'pci',
but it gives no address (virDeviceInfoPCIAddressWanted()).
There are also several places after parsing but prior to address
assignment where code previously expected that any info with address
type='pci' would have a *valid* PCI address, which isn't always the
case - now we check not only for type='pci', but also for a valid
address (virDeviceInfoPCIAddressPresent()).
The test case added in this patch was directly copied from Cole's patch titled:
qemu: Wire up address type=pci auto_allocate
Rather than only assigning a PCI address when no address is given at
all, also do it when the config says that the address type is 'pci',
but it gives no address.
Prior to this, <address type='pci'/> wasn't allowed when parsing
(domain+bus+slot+function needed to be a "valid" PCI address, meaning
that at least one of domain/bus/slot had to be non-0), the RNG
required bus to be specified, and if type was set to PCI when
formatting, domain+bus+slot+function would always be output.
This makes all the address attributes optional during parse and RNG
validation, and suppresses domain+bus+slot+function if domain+bus+slot
are all 0 (NB: if d+b+s are all 0, any value for function is
nonsensical as that will never happen in the real world, and after
the next patch we will always assign a real working address to any
empty PCI address before it is ever output to anywhere).
Note that explicitly setting all attributes to 0 is equivalent to
setting none of them, which is okay, since 0000:00:00 is reserved in
any PCI bus setup, and can't be used anyway.
In order to allow <address type='pci'/> with no other attributes to
mean "I want a PCI address, but any PCI address will do" (just as
having no <address> at all usually indicates), we will need to change
several places in the code from a simple "info->type == (or !=)
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_(PCI|NONE)" into something slightly
more complex, this patch adds to new functions that take a
virDomainDeviceInfoPtr and return true/false depending on 1) whether
the current state of the info indicates that we "want" a PCI address
for this device (virDeviceInfoPCIAddressWanted()) and 2) whether this
device already has a valid PCI address
(virDeviceInfoPCIAddressPresent()).
Both of these functions required the simpler check for whether a pci
address is "empty" (i.e. all of its attributes are 0, which can never
happen in a real PCI address, since slot 0 of bus 0 of domain 0 is
always reserved), so that function is also added.
Also moves all the subordinate structs. This is necessary due to a new
inline function that will be defined in device_conf.h, and also makes
sense, because it is the *device* info that's in the struct. (Actually
a lot more stuff from domain_conf.h could move to this newer file, but
I didn't want to disturb any more than necessary).
