Public bug reported:
Following the instructions of bug 1755153 with the most recent 4.0.0-1ubuntu5
version I get a segfault.
The assumption is that one of the stable patches regressed this.
Thread 5 "libvirtd" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fd6881c7700 (LWP 32564)]
virDomainDeviceGetInfo (device=device@entry=0x0) at
../../../src/conf/domain_conf.c:3546
warning: Source file is more recent than executable.
3546 switch ((virDomainDeviceType) device->type) {
(gdb) bt
#0 virDomainDeviceGetInfo (device=device@entry=0x0) at
../../../src/conf/domain_conf.c:3546
#1 0x00007fd69dadb205 in virDomainDefCompatibleDevice (def=0x7fd63015c8a0,
dev=dev@entry=0x7fd670006be0,
oldDev=oldDev@entry=0x0) at ../../../src/conf/domain_conf.c:26939
#2 0x00007fd67cc272fd in qemuDomainAttachDeviceLiveAndConfig (flags=<optimized
out>, xml=<optimized out>,
driver=0x7fd63010d380, vm=0x7fd63015c1e0, conn=0x7fd680000be0) at
../../../src/qemu/qemu_driver.c:8496
#3 qemuDomainAttachDeviceFlags (dom=<optimized out>, xml=<optimized out>,
flags=<optimized out>)
at ../../../src/qemu/qemu_driver.c:8555
#4 0x00007fd69db5fe97 in virDomainAttachDeviceFlags
(domain=domain@entry=0x7fd670000d20,
xml=0x7fd670000c80 "<memory model='dimm'>\n <target>\n", ' '
<repeats 16 times>, "<size unit='KiB'>524288</size>\n", ' ' <repeats 16 times>,
"<node>0</node>\n </target>\n</memory>\n", flags=1)
at ../../../src/libvirt-domain.c:8156
#5 0x000055cf6d358b73 in remoteDispatchDomainAttachDeviceFlags
(server=0x55cf6e4c1bb0, msg=0x55cf6e508b80,
args=0x7fd670000c20, rerr=0x7fd6881c6ba0, client=<optimized out>) at
../../../daemon/remote_dispatch.h:3514
#6 remoteDispatchDomainAttachDeviceFlagsHelper (server=0x55cf6e4c1bb0,
client=<optimized out>, msg=0x55cf6e508b80,
rerr=0x7fd6881c6ba0, args=0x7fd670000c20, ret=0x7fd670000c60) at
../../../daemon/remote_dispatch.h:3490
#7 0x00007fd69dbc3cdc in virNetServerProgramDispatchCall (msg=0x55cf6e508b80,
client=0x55cf6e4f6bc0,
server=0x55cf6e4c1bb0, prog=0x55cf6e50e0d0) at
../../../src/rpc/virnetserverprogram.c:436
#8 virNetServerProgramDispatch (prog=0x55cf6e50e0d0,
server=server@entry=0x55cf6e4c1bb0, client=0x55cf6e4f6bc0,
msg=0x55cf6e508b80) at ../../../src/rpc/virnetserverprogram.c:307
#9 0x000055cf6d376688 in virNetServerProcessMsg (msg=<optimized out>,
prog=<optimized out>, client=<optimized out>,
srv=0x55cf6e4c1bb0) at ../../../src/rpc/virnetserver.c:148
#10 virNetServerHandleJob (jobOpaque=<optimized out>, opaque=0x55cf6e4c1bb0) at
../../../src/rpc/virnetserver.c:169
#11 0x00007fd69da9e6d1 in virThreadPoolWorker
(opaque=opaque@entry=0x55cf6e4aff00)
at ../../../src/util/virthreadpool.c:167
#12 0x00007fd69da9da48 in virThreadHelper (data=<optimized out>) at
../../../src/util/virthread.c:206
#13 0x00007fd69d1476db in start_thread (arg=0x7fd6881c7700) at
pthread_create.c:463
#14 0x00007fd69ce7088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: In Progress
** Changed in: libvirt (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1756915
Title:
SIGSEGV on memory hotplug
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