forbid hot-unplug of virtioscsi + iothread drive

qemu (<=2.3) currently segfault on drive_del

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 6b2bab84efbff64784e74692faa31075fe7e02ec..9fe168479971e8ddccc27cd3a4d3fbe5a8df1811 100644 (file)
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -3379,6 +3379,10 @@ sub vm_deviceunplug {
 
     } elsif ($deviceid =~ m/^(scsi)(\d+)$/) {
 
+       #qemu 2.3 segfault on drive_del with virtioscsi + iothread
+       my $device = parse_drive($deviceid, $conf->{$deviceid});
+       die "virtioscsi with iothread is not hot-unplugglable currently" if $device->{iothread};
+
         qemu_devicedel($vmid, $deviceid);
         qemu_drivedel($vmid, $deviceid);
        qemu_deletescsihw($conf, $vmid, $deviceid);