Bug 1360601
| Summary: | [Q35] qemu core dump when boot up with 24 switches | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | jingzhao <jinzhao> |
| Component: | qemu-kvm-rhev | Assignee: | Marcel Apfelbaum <marcel> |
| Status: | CLOSED DUPLICATE | QA Contact: | jingzhao <jinzhao> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 7.3 | CC: | chayang, dgilbert, juzhang, knoel, virt-maint, yduan, yiwei |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-08-01 09:49:22 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
*** This bug has been marked as a duplicate of bug 1342434 *** |
Description of problem: qemu core dump when boot up with 24 switches Version-Release number of selected component (if applicable): qemu-kvm-tools-rhev-2.6.0-15.el7.x86_64 kernel-3.10.0-478.el7.x86_64 How reproducible: 3/3 Steps to Reproduce: 1.Boot up guest with following cli sh switch-layer.sh 23 [root@intel-3323-24-1 home]# cat switch-layer.sh #!/bin/sh MACHINE=q35 SMP=4,cores=2,threads=2,sockets=1 MEM=2G GUEST_IMG=/home/q35.qcow2 IMG_FORMAT=qcow2 CLI="/usr/libexec/qemu-kvm -enable-kvm -M $MACHINE -cpu SandyBridge -smp $SMP -m $MEM -name vm1 -drive file=$GUEST_IMG,if=none,id=guest-img,format=$IMG_FORMAT,werror=stop,rerror=stop -device ide-hd,drive=guest-img,bus=ide.0,unit=0,id=os-disk,bootindex=0 -spice port=5931,disable-ticketing -vga qxl -monitor stdio -serial unix:/tmp/console,server,nowait -qmp tcp:0:6666,server,nowait -chardev file,path=/home/seabios.log,id=seabios -device isa-debugcon,chardev=seabios,iobase=0x402 -boot menu=on,reboot-timeout=8,strict=on -device ioh3420,bus=pcie.0,id=root.0,slot=3 -device x3130-upstream,bus=root.0,id=upstream -device xio3130-downstream,bus=upstream,id=downstream0,chassis=1" while [ ${i:=0} -lt ${1:-0} ] do dstreamId=$((i+1)) ustreamId=$((i+1)) chassisId=$((dstreamId+1)) blkDiskId=$((i)) CLI="$CLI -device x3130-upstream,bus=downstream$i,id=upstream$ustreamId" CLI="$CLI -device xio3130-downstream,bus=upstream$ustreamId,id=downstream$dstreamId,chassis=$chassisId" i=$((i+1)) done CLI="$CLI -device virtio-scsi-pci,bus=downstream$dstreamId,id=scsi3,disable-legacy=on,disable-modern=off -drive file=/home/layerblock.qcow2,if=none,id=drive-virtio-disk6,format=qcow2,cache=none,werror=stop,rerror=stop -device scsi-hd,bus=scsi3.0,drive=drive-virtio-disk6,id=virtio-disk6" $CLI Actual results: qemu core dump Following is the core dump info #0 0x00007f08050fd1d7 in raise () from /lib64/libc.so.6 #1 0x00007f08050fe8c8 in abort () from /lib64/libc.so.6 #2 0x00007f08050f6146 in __assert_fail_base () from /lib64/libc.so.6 #3 0x00007f08050f61f2 in __assert_fail () from /lib64/libc.so.6 #4 0x00007f0810dc171d in vmstate_register_with_alias_id (dev=dev@entry=0x7f081ae92d80, instance_id=<optimized out>, instance_id@entry=-1, vmsd=0x7f08114d6a60 <vmstate_scsi_disk_state>, opaque=opaque@entry=0x7f081ae92d80, alias_id=alias_id@entry=-1, required_for_version=required_for_version@entry=0) at /usr/src/debug/qemu-2.6.0/migration/savevm.c:622 #5 0x00007f0810eb8d9a in device_set_realized (obj=<optimized out>, value=<optimized out>, errp=0x7ffee07bd968) at hw/core/qdev.c:1085 #6 0x00007f0810f972ce in property_set_bool (obj=0x7f081ae92d80, v=<optimized out>, name=<optimized out>, opaque=0x7f081aa5f800, errp=0x7ffee07bd968) at qom/object.c:1853 #7 0x00007f0810f9af27 in object_property_set_qobject (obj=0x7f081ae92d80, value=<optimized out>, name=0x7f08110923ad "realized", errp=0x7ffee07bd968) at qom/qom-qobject.c:26 #8 0x00007f0810f98da0 in object_property_set_bool (obj=0x7f081ae92d80, value=<optimized out>, name=0x7f08110923ad "realized", errp=0x7ffee07bd968) at qom/object.c:1150 #9 0x00007f0810e69b3c in qdev_device_add (opts=0x7f0813b27450, errp=errp@entry=0x7ffee07bda40) at qdev-monitor.c:617 #10 0x00007f0810e73987 in device_init_func (opaque=<optimized out>, opts=<optimized out>, errp=<optimized out>) at vl.c:2362 #11 0x00007f0811041e6a in qemu_opts_foreach (list=<optimized out>, func=func@entry=0x7f0810e73960 <device_init_func>, opaque=opaque@entry=0x0, errp=errp@entry=0x0) at util/qemu-option.c:1116 #12 0x00007f0810d68b30 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at vl.c:4549 Expected results: qemu run successfully Additional info: qemu didn't core dump when boot up guest with 24 switches which didn't attach the device Such as the following cli # sh switch-layer.sh 23 #!/bin/sh MACHINE=q35 SMP=4,cores=2,threads=2,sockets=1 MEM=2G GUEST_IMG=/home/q35.qcow2 IMG_FORMAT=qcow2 CLI="/usr/libexec/qemu-kvm -enable-kvm -M $MACHINE -cpu SandyBridge -smp $SMP -m $MEM -name vm1 -drive file=$GUEST_IMG,if=none,id=guest-img,format=$IMG_FORMAT,werror=stop,rerror=stop -device ide-hd,drive=guest-img,bus=ide.0,unit=0,id=os-disk,bootindex=0 -spice port=5931,disable-ticketing -vga qxl -monitor stdio -serial unix:/tmp/console,server,nowait -qmp tcp:0:6666,server,nowait -chardev file,path=/home/seabios.log,id=seabios -device isa-debugcon,chardev=seabios,iobase=0x402 -boot menu=on,reboot-timeout=8,strict=on -device ioh3420,bus=pcie.0,id=root.0,slot=3 -device x3130-upstream,bus=root.0,id=upstream -device xio3130-downstream,bus=upstream,id=downstream0,chassis=1" while [ ${i:=0} -lt ${1:-0} ] do dstreamId=$((i+1)) ustreamId=$((i+1)) chassisId=$((dstreamId+1)) blkDiskId=$((i)) CLI="$CLI -device x3130-upstream,bus=downstream$i,id=upstream$ustreamId" CLI="$CLI -device xio3130-downstream,bus=upstream$ustreamId,id=downstream$dstreamId,chassis=$chassisId" i=$((i+1)) done $CLI