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With unknown good reasons, the attribute "bus" of scsi device
address is always set to 0, same for attribute "target". (See
virDomainDiskDefAssignAddress).
Though we might need to change the algorithm to honor "bus"
and "target" too, that's a different issue. The address generator
for scsi host device in this patch just follows the unknown
good reasons, only considering the "controller" and "unit".
It walks through all scsi controllers and their units, to see
if the address $controller:0:0:$unit can be used (if not used
by any disk or scsi host device yet), if found one, it sits on
it, otherwise, it creates a new controller (actually the controller
is implicitly created by someone else), and sits on
$new_controller:0:0:0 instead.
This should resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=959191
The problem was that qemuUpdateActivePciHostdevs was returning 0
(success) when no hostdevs were present, but would otherwise return -1
(failure) even when it completed successfully. It is only called from
qemuProcessReconnect(), and when qemuProcessReconnect got back an
error, it would not only stop reconnecting, but would terminate the
guest qemu process "to remove danger of it ending up running twice if
user tries to start it again later".
(This bug was introduced in commit 011cf7ad, which was pushed between
v1.0.2 and v1.0.3, so all maintenance branches from v1.0.3 up to 1.0.5
will need this one line patch applied.)
A mingw build (where the qemu driver is not built, so WITH_QEMU
is undefined) failed with:
In file included from ../../src/qemu/qemu_command.h:30:0,
from ../../tests/testutilsqemu.h:4,
from ../../tests/networkxml2xmltest.c:14:
../../src/qemu/qemu_conf.h:53:4: error: #error "Port me"
But since testutilsqemu.c is already conditional, the header
should be likewise.
* tests/testutilsqemu.h: Make content conditional.
Signed-off-by: Eric Blake <eblake@redhat.com>
We can't use GNULIB's fprintf-posix due to licensing
incompatibilities. We do already have a portable
formatting via virAsprintf() which we got from GNULIB
though. We can use to create a virFilePrintf() function.
But really gnulib could just provide a 'fprintf'
module, that depended on just its 'asprintf' module.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
A literal IPv6 must be escaped, otherwise migration fails with:
unable to execute QEMU command 'drive-mirror': address resolution failed
for f0::0d:5901: Servname not supported for ai_socktype
since QEMU treats everything after the first ':' as the port.
https://bugzilla.redhat.com/show_bug.cgi?id=903480
During domain destruction it's possible that the learnIPAddressThread has
already removed the interface prior to the teardown filter path being run.
The teardown code would only be telling the thread to terminate.
Commit '6afdfc8e' adjusted the exit and error paths to go through the error
and cleanup labels, but neglected to remove the return ret prior to cleanup.
Also noted the 'type' xml string fetch was never checked for NULL which
could lead to some interesting results.
If snapshot creation failed for example due to invalid use of the
"REUSE_EXTERNAL" flag, libvirt killed access to the original image file
instead of the new image file. On machines with selinux this kills the
whole VM as the selinux context is enforced immediately.
* qemu_driver.c:qemuDomainSnapshotUndoSingleDiskActive():
- Kill access to the new image file instead of the old one.
Partially resolves: https://bugzilla.redhat.com/show_bug.cgi?id=906639
Commit d671121d was incomplete; I hit another compile fail on
cygwin not finding the correct rpc/rpc.h.
* src/Makefile.am (virtlockd_CFLAGS): Add XDR_CFLAGS.
Signed-off-by: Eric Blake <eblake@redhat.com>
A bug in Cygwin [1] and poor error messages from gcc [2] lead
to this confusing compilation error:
qemu/qemu_monitor.c:418:9: error: passing argument 2 of 'sendmsg' from incmpatible pointer type
/usr/include/sys/socket.h:42:11: note: expected 'const struct msghdr *' but argument is of type 'struct msghdr *'
[1] http://cygwin.com/ml/cygwin/2013-05/msg00451.html
[2] http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57475
* src/qemu/qemu_monitor.c (includes): Include <sys/socket.h>
before <sys/un.h>.
Signed-off-by: Eric Blake <eblake@redhat.com>
This is a recurring problem for cygwin :)
For example, see commit 23a4df88.
qemu/qemu_driver.c: In function 'qemuStateInitialize':
qemu/qemu_driver.c:691:13: error: format '%d' expects type 'int', but argument 8 has type 'uid_t' [-Wformat]
* src/qemu/qemu_driver.c (qemuStateInitialize): Add casts.
* daemon/remote.c (remoteDispatchAuthList): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
A cygwin build of the qemu driver fails with:
qemu/qemu_process.c: In function 'qemuPrepareCpumap':
qemu/qemu_process.c:1803:31: error: 'CPU_SETSIZE' undeclared (first use in this function)
CPU_SETSIZE is a Linux extension in <sched.h>; a bit more portable
is using sysconf if _SC_NPROCESSORS_CONF is defined (several platforms
have it, including Cygwin). Ultimately, I would have preferred to
use gnulib's 'nproc' module, but it is currently under an incompatible
license.
* src/qemu/qemu_conf.h (QEMUD_CPUMASK_LEN): Provide definition on
cygwin.
Signed-off-by: Eric Blake <eblake@redhat.com>
On cygwin, the build failed with:
In file included from ./rpc/virnetmessage.h:24:0,
from ./rpc/virnetclient.h:29,
from locking/lock_driver_lockd.c:31:
./rpc/virnetprotocol.h:9:21: fatal error: rpc/rpc.h: No such file or directory
* src/Makefile.am (lockd_la_CFLAGS): Add XDR_CFLAGS.
Signed-off-by: Eric Blake <eblake@redhat.com>
Compilation on cygwin failed due to a bug in the sasl headers
present on that platform (libsasl2-devel 2.1.26):
In file included from rpc/virnetserverclient.c:27:0:
/usr/include/sasl/sasl.h:230:38: error: expected declaration specifiers or '...' before 'size_t'
Upstream is aware of their bug:
https://bugzilla.cyrusimap.org/show_bug.cgi?id=3759
* src/rpc/virnetserverclient.c (includes): Ensure size_t is
defined before using sasl.h.
Signed-off-by: Eric Blake <eblake@redhat.com>
Bummer, I committed, then fixed a typo, then tested, and forgot to
amend the commit before pushing 7d21d6b6.
* src/rpc/virnettlscontext.c (includes): Use correct spelling.
Because it's a valid combination. p2p still uses a separate channel
for qemu migration, so there's value in letting the user specify a manual
migrate URI for overriding auto-port, or libvirt's FQDN lookup.
What _isn't_ allowed is --migrateuri and TUNNELLED, since there is
no separate migration channel. Disallow that instead
Building when configured --with-libvirtd=no fails with:
In file included from ../src/qemu/qemu_command.h:30:0,
from testutilsqemu.h:4,
from networkxml2xmltest.c:14:
../src/qemu/qemu_conf.h:175:5: error: expected specifier-qualifier-list before 'virStateInhibitCallback'
* src/libvirt_internal.h (virStateInhibitCallback): Move outside
of conditional.
Signed-off-by: Eric Blake <eblake@redhat.com>
Building with gnutls 3.2.0 (such as shipped with current cygwin) fails
with:
rpc/virnettlscontext.c: In function 'virNetTLSSessionGetKeySize':
rpc/virnettlscontext.c:1358:5: error: implicit declaration of function 'gnutls_cipher_get_key_size' [-Wimplicit-function-declaration]
Yeah, it's stupid that gnutls broke API by moving their declaration
into a new header without including that header from the old one,
but it's easy enough to work around, all without breaking on gnutls
1.4.1 (hello RHEL 5) that lacked the new header.
* configure.ac (gnutls): Check for <gnutls/crypto.h>.
* src/rpc/virnettlscontext.c (includes): Include additional header.
Signed-off-by: Eric Blake <eblake@redhat.com>
And error out if the casted value is not same with the original
one, which prevents the bug on platform(s) where uid_t/gid_t
has different size with long.
Changes:
* Free all the strings at "cleanup", instead of freeing them
in the middle
* Remove xmlFree
* s/tmppath/target_path/, to make it more sensible
* Add new goto label "error"
Currently, if there's an error opening /dev/vhost-net (e.g. because
it doesn't exist) but it's not required we proceed with vhostfd array
filled with -1 and vhostfdSize unchanged. Later, when constructing
the qemu command line only non-negative items within vhostfd array
are taken into account. This means, vhostfdSize may be greater than
the actual count of non-negative items in vhostfd array. This results
in improper command line arguments being generated, e.g.:
-netdev tap,fd=21,id=hostnet0,vhost=on,vhostfd=(null)
gcc 4.1.2 (hello, RHEL 5!) fails to build on 32-bit platforms with:
conf/domain_conf.c: In function 'virDomainDefParseXML':
conf/domain_conf.c:10581: warning: integer constant is too large for 'long' type
Problem introduced in commit f8e3221f9.
* src/conf/domain_conf.c (virDomainDefParseXML): Mark large constants.
Signed-off-by: Eric Blake <eblake@redhat.com>
Osier Yang pointed out that I introduced a syntax error in my
syntax check (I really shouldn't make last-minute changes without
testing them....).
/bin/sh: -c: line 2: syntax error near unexpected token `;'
/bin/sh: -c: line 2: ` { echo 'maint.mk: incorrect whitespace, see HACKING for rules' 2>&; \'
make: *** [bracket-spacing-check] Error 1
* cfg.mk (bracket-spacing-check): Fix copy-and-paste error.
Signed-off-by: Eric Blake <eblake@redhat.com>
If we are just ejecting media, ret == -1 even after the retry loop
determines that the tray is open, as requested. This means media
disconnect always report's error.
Fix it, and fix some other mini issues:
- Don't overwrite the 'eject' error message if the retry loop fails
- Move the retries decrement inside the loop, otherwise the final loop
might succeed, yet retries == 0 and we will raise error
- Setting ret = -1 in the disk->src check is unneeded
- Fix comment typos
cc: mprivozn@redhat.com
I noticed several unusual spacings in for loops, and decided to
fix them up. See the next commit for the syntax check that found
all of these.
* examples/domsuspend/suspend.c (main): Fix spacing.
* python/libvirt-override.c: Likewise.
* src/conf/interface_conf.c: Likewise.
* src/security/virt-aa-helper.c: Likewise.
* src/util/virconf.c: Likewise.
* src/util/virhook.c: Likewise.
* src/util/virlog.c: Likewise.
* src/util/virsocketaddr.c: Likewise.
* src/util/virsysinfo.c: Likewise.
* src/util/viruuid.c: Likewise.
* src/vbox/vbox_tmpl.c: Likewise.
* src/xen/xen_hypervisor.c: Likewise.
* tools/virsh-domain-monitor.c (vshDomainStateToString): Drop
default case, to let compiler check us.
* tools/virsh-domain.c (vshDomainVcpuStateToString): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
When src is NULL, VIR_STRDUP will return 0 directly.
This patch will set dest to NULL before VIR_STRDUP return.
Example:
[root@yds-pc libvirt]# virsh
Welcome to virsh, the virtualization interactive terminal.
Type: 'help' for help with commands
'quit' to quit
virsh # connect
error: Failed to connect to the hypervisor
error: internal error Unable to parse URI �N�*
Signed-off-by: yangdongsheng <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Currently qemuDomainReboot() does reboot in two phases:
qemuMonitorSystemPowerdown() and qemuProcessFakeReboot().
qemuMonitorSystemPowerdown() shutdowns the domain and saves domain
state/reason as VIR_DOMAIN_SHUTDOWN_UNKNOWN.
qemuProcessFakeReboot() sets domain state/reason to
VIR_DOMAIN_RESUMED_UNPAUSED but does not save domain state changes.
Subsequent restart of libvirtd leads to restoring domain state/reason to
saved that is VIR_DOMAIN_SHUTDOWN_UNKNOWN and to automatic shutdown of
the domain. This commit adds virDomainSaveStatus() into
qemuProcessFakeReboot() to avoid unexpected shutdowns.
VI objects support inheritance with subtype polymorphism. For example the
FileInfo object type is extended by FloppyImageFileInfo, FolderFileInfo
etc. Then SearchDatastore_Task returns an array of FileInfo objects and
depending on the represented file the FileInfo is actually a FolderFileInfo
or FloppyImageFileInfo etc. The actual type information is stored as XML
attribute that allows clients such as libvirt to distinguish between the
actual types. esxVI_GetActualObjectType is used to extract the actual type.
I assumed that this mechanism would be used for all VI object types that
have subtypes. But this is not the case. It seems only to be used for types
that are actually used as generic base type such as FileInfo. But it is not
used for types that got extended later such as ElementDescription that was
extended by ExtendedElementDescription (added in vSphere API 4.0) or that
are not meant to be used with subtype polymorphism.
This breaks the deserialization of types that contain ElementDescription
properties such as PerfCounterInfo or ChoiceOption, because the code
expects an ElementDescription object to have an XML attribute named type
that is not present, since ExtendedElementDescription was added to the
esx_vi_generator.input in commit 60f0f55ee4.
This in turn break virtual machine question handling and auto answering.
Fix this by using the base type if no XML type attribute is present.
Commit 6ab6bc19f0 has introduced separate
daemon/driver packages for vbox. These should only be built for x86
architectures which is done hereby.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
With previous patch, we accept negative value as length of string to
duplicate. So there is no need to pass strlen(src) in case we want to do
duplicate the whole string.
It may shorten the code a bit as the following pattern:
VIR_STRNDUP(dst, src, cond ? n : strlen(src))
is used on several places among our code. However, we can
move the strlen into virStrndup and thus write just:
VIR_STRNDUP(dst, src, cond ? n : -1)
