qemuDomainAttachVirtioDiskDevice passes NULL as domainDef which is later
referenced in qemuDomainAttachVirtioDiskDevice:
Program terminated with signal 11, Segmentation fault.
#0 qemuBuildDeviceAddressStr (buf=buf@entry=0xb646de78, info=info@entry=0xb0a02360, qemuCaps=qemuCaps@entry=0xb8fdfdc8,
domainDef=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
domainDef=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at qemu/qemu_command.c:2869
2869 for (i = 0; i < domainDef->ncontrollers; i++) {
(gdb) bt
#0 qemuBuildDeviceAddressStr (buf=buf@entry=0xb646de78, info=info@entry=0xb0a02360, qemuCaps=qemuCaps@entry=0xb8fdfdc8,
domainDef=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
domainDef=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at qemu/qemu_command.c:2869
#1 0xb18ad6f8 in qemuBuildDriveDevStr (def=def@entry=0x0, disk=disk@entry=0xb0a02288, bootindex=bootindex@entry=0, qemuCaps=0xb8fdfdc8)
at qemu/qemu_command.c:4316
#2 0xb18d097f in qemuDomainAttachVirtioDiskDevice (conn=conn@entry=0xb90129a8, driver=driver@entry=0xb8fe29b8, vm=vm@entry=0xb8fe0c40,
disk=disk@entry=0xb0a02288) at qemu/qemu_hotplug.c:278
#3 0xb193f7ba in qemuDomainAttachDeviceDiskLive (dev=0xb0a35308, vm=0xb8fe0c40, driver=0xb8fe29b8, conn=0xb90129a8) at qemu/qemu_driver.c:6356
#4 qemuDomainAttachDeviceLive (dev=0xb0a35308, vm=0xb8fe0c40, dom=<optimized out>) at qemu/qemu_driver.c:6418
#5 qemuDomainAttachDeviceFlags (dom=dom@entry=0xb0a020b8,
xml=xml@entry=0xb90953f0 "<disk type='file' device='disk'>\n <source file='/var/lib/jenkins/jobs/libvirt-tck-build/workspace/scratchdir/200-disk-hotplug/extra.img'/>\n <target dev='vdb' bus='virtio'/>\n</disk>\n", flags=3103664568, flags@entry=1) at qemu/qemu_driver.c:7079
#6 0xb193f9cb in qemuDomainAttachDevice (dom=0xb0a020b8,
xml=0xb90953f0 "<disk type='file' device='disk'>\n <source file='/var/lib/jenkins/jobs/libvirt-tck-build/workspace/scratchdir/200-disk-hotplug/extra.img'/>\n <target dev='vdb' bus='virtio'/>\n</disk>\n") at qemu/qemu_driver.c:7120
#7 0xb7244827 in virDomainAttachDevice (domain=domain@entry=0xb0a020b8,
xml=0xb90953f0 "<disk type='file' device='disk'>\n <source file='/var/lib/jenkins/jobs/libvirt-tck-build/workspace/scratchdir/200-disk-hotplug/extra.img'/>\n <target dev='vdb' bus='virtio'/>\n</disk>\n") at libvirt.c:10912
#8 0xb7765ddb in remoteDispatchDomainAttachDevice (args=0xb9094ef0, rerr=0xb646e1f0, client=<optimized out>, server=<optimized out>,
msg=<optimized out>) at remote_dispatch.h:2296
#9 remoteDispatchDomainAttachDeviceHelper (server=0xb8fba0e8, client=0xb0a00730, msg=0xb0a350b8, rerr=0xb646e1f0, args=0xb9094ef0, ret=0xb9094dc8)
at remote_dispatch.h:2274
#10 0xb72b1013 in virNetServerProgramDispatchCall (msg=0xb0a350b8, client=0xb0a00730, server=0xb8fba0e8, prog=0xb8fc21c8)
at rpc/virnetserverprogram.c:435
#11 virNetServerProgramDispatch (prog=0xb8fc21c8, server=server@entry=0xb8fba0e8, client=0xb0a00730, msg=0xb0a350b8) at rpc/virnetserverprogram.c:305
#12 0xb72aa167 in virNetServerProcessMsg (msg=<optimized out>, prog=<optimized out>, client=<optimized out>, srv=0xb8fba0e8)
at rpc/virnetserver.c:165
#13 virNetServerHandleJob (jobOpaque=0xb0a0a850, opaque=0xb8fba0e8) at rpc/virnetserver.c:186
#14 0xb7189108 in virThreadPoolWorker (opaque=opaque@entry=0xb8fa3250) at util/virthreadpool.c:144
#15 0xb71885e5 in virThreadHelper (data=0xb8fa32a8) at util/virthreadpthread.c:161
#16 0xb70d6954 in start_thread (arg=0xb646eb70) at pthread_create.c:304
#17 0xb704e95e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
This was found by libvirtt-tck:
http://honk.sigxcpu.org:8001/job/libvirt-tck-debian-wheezy-qemu-session/1311/console
---
The problem was introduced somewhere around
4bc331c8945152d8942a23383c3eb92da1bc4194 but I didn't get around to
track this earlier.
Cheers,
-- Guido
---
src/qemu/qemu_hotplug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index c9748d9..85d2ca9 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -275,7 +275,7 @@ int qemuDomainAttachVirtioDiskDevice(virConnectPtr conn,
if (!(drivestr = qemuBuildDriveStr(conn, disk, false, priv->qemuCaps)))
goto error;
- if (!(devstr = qemuBuildDriveDevStr(NULL, disk, 0, priv->qemuCaps)))
+ if (!(devstr = qemuBuildDriveDevStr(vm->def, disk, 0, priv->qemuCaps)))
goto error;
}
@@ -616,7 +616,7 @@ int qemuDomainAttachUsbMassstorageDevice(virConnectPtr conn,
goto error;
if (!(drivestr = qemuBuildDriveStr(conn, disk, false, priv->qemuCaps)))
goto error;
- if (!(devstr = qemuBuildDriveDevStr(NULL, disk, 0, priv->qemuCaps)))
+ if (!(devstr = qemuBuildDriveDevStr(vm->def, disk, 0, priv->qemuCaps)))
goto error;
}
--
1.8.4.rc1
--
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