Bug 1309227
| Summary: | lspci core dump in guest when there have 7 layers switches | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | jingzhao <jinzhao> |
| Component: | qemu-kvm-rhev | Assignee: | Marcel Apfelbaum <marcel> |
| Status: | CLOSED WONTFIX | QA Contact: | jingzhao <jinzhao> |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | 7.2 | CC: | chayang, juzhang, knoel, marcel, virt-maint, xfu |
| 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: | 2018-04-26 13:19:57 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: | |||
Didn't hit this issue when set 7 layers switches qemu-img-rhev-2.6.0-14.el7.x86_64 kernel-3.10.0-470.el7.x86_64 1. Hit the issue with above environment [root@localhost home]# sh attachment1 [details]-switch-layer.sh 7 [root@localhost home]# cat attachment1 [details]-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 2. Also hit the issue with following steps 1) Boot guest with 6 switches [root@localhost home]# sh attachment1 [details]-switch-layer.sh 6 2) hot plug disk to the switch {"execute":"device_add","arguments":{"driver":"virtio-scsi-pci","id":"scsi3","bus":"downstream5","disable-legacy":true,"disable-modern":false}} {"return": {}} {"execute":"__com.redhat_drive_add", "arguments": {"file":"/home/block2.raw","format":"raw","id":"drive_datadisk3"}} {"return": {}} {"execute":"device_add","arguments":{"driver":"scsi-hd","drive":"drive_datadisk3","id":"device_datadisk3","bus":"scsi3.0"}} {"return": {}} Also reproduce the issue on qemu-kvm-rhev-2.9.0-14.
Detailed info:
qemu-kvm-rhev-2.9.0-14.el7.x86_64
kernel-3.10.0-690.el7.x86_64
OVMF-20170228-5.gitc325e41585e3.el7.noarch
[root@ibm-x3850x5-08 tmp]# sh switch-layer.sh 5
[root@ibm-x3850x5-08 tmp]# cat switch-layer.sh
#!/bin/sh
MACHINE=q35
SMP=4,cores=2,threads=2,sockets=1
MEM=2G
GUEST_IMG=/home/jinchen/demo/test.qcow2-ovmf
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 -drive file=/usr/share/OVMF/OVMF_CODE.secboot.fd,if=pflash,format=raw,unit=0,readonly=on -drive file=/usr/share/OVMF/OVMF_VARS.fd,if=pflash,format=raw,unit=1 -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 usb-ehci,bus=downstream$i,id=ehci"
$CLI
Actual results:
lspci core dumped in guest when there have 6 layers switches
Hit the same issue on qemu-kvm-rhev-2.10.0-3.el7.x86_64 with 6 swith-layers
[root@localhost ~]# lspci -vvv -t
-[0000:00]-+-00.0 Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller
+-01.0 Red Hat, Inc. QXL paravirtual graphic card
+-02.0 Intel Corporation 82540EM Gigabit Ethernet Controller
+-03.0-[01-0f]----00.0-[02-0f]----00.0-[03-0f]----00.0-[04-0f]----00.0-[05-0f]----00.0-[06-0f]----00.0-[07-0f]----00.0-[08-0f]----00.0-[09-0f]----00.0-[0a-0f]----00.0-[0b-0f]----00.0-[0c-0f]----00.0-[0d-0f]----00.0-[0e-0f]----00.0-[0f]----00.0 Red Hat, Inc Virtio block device
+-1f.0 Intel Corporation 82801IB (ICH9) LPC Interface Controller
+-1f.2 Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode]
\-1f.3 Intel Corporation 82801I (ICH9 Family) SMBus Controller
*** stack smashing detected ***: lspci terminated
======= Backtrace: =========
/lib64/libc.so.6(__fortify_fail+0x37)[0x7f1349c36d87]
/lib64/libc.so.6(__fortify_fail+0x0)[0x7f1349c36d50]
lspci[0x40ad9e]
lspci[0x401bf6]
/lib64/libc.so.6(__libc_start_main+0xf5)[0x7f1349b48c05]
lspci[0x401c2f]
======= Memory map: ========
00400000-00411000 r-xp 00000000 fd:00 957529 /usr/sbin/lspci
00610000-00611000 r--p 00010000 fd:00 957529 /usr/sbin/lspci
00611000-00612000 rw-p 00011000 fd:00 957529 /usr/sbin/lspci
00a19000-00bae000 rw-p 00000000 00:00 0 [heap]
7f134909f000-7f13490b6000 r-xp 00000000 fd:00 215388 /usr/lib64/libpthread-2.17.so
7f13490b6000-7f13492b5000 ---p 00017000 fd:00 215388 /usr/lib64/libpthread-2.17.so
7f13492b5000-7f13492b6000 r--p 00016000 fd:00 215388 /usr/lib64/libpthread-2.17.so
7f13492b6000-7f13492b7000 rw-p 00017000 fd:00 215388 /usr/lib64/libpthread-2.17.so
7f13492b7000-7f13492bb000 rw-p 00000000 00:00 0
7f13492bb000-7f13492d0000 r-xp 00000000 fd:00 84 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f13492d0000-7f13494cf000 ---p 00015000 fd:00 84 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f13494cf000-7f13494d0000 r--p 00014000 fd:00 84 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f13494d0000-7f13494d1000 rw-p 00015000 fd:00 84 /usr/lib64/libgcc_s-4.8.5-20150702.so.1
7f13494d1000-7f13494e6000 r-xp 00000000 fd:00 223049 /usr/lib64/libz.so.1.2.7
7f13494e6000-7f13496e5000 ---p 00015000 fd:00 223049 /usr/lib64/libz.so.1.2.7
7f13496e5000-7f13496e6000 r--p 00014000 fd:00 223049 /usr/lib64/libz.so.1.2.7
7f13496e6000-7f13496e7000 rw-p 00015000 fd:00 223049 /usr/lib64/libz.so.1.2.7
7f13496e7000-7f134970c000 r-xp 00000000 fd:00 223076 /usr/lib64/liblzma.so.5.2.2
7f134970c000-7f134990b000 ---p 00025000 fd:00 223076 /usr/lib64/liblzma.so.5.2.2
7f134990b000-7f134990c000 r--p 00024000 fd:00 223076 /usr/lib64/liblzma.so.5.2.2
7f134990c000-7f134990d000 rw-p 00025000 fd:00 223076 /usr/lib64/liblzma.so.5.2.2
7f134990d000-7f1349923000 r-xp 00000000 fd:00 215390 /usr/lib64/libresolv-2.17.so
7f1349923000-7f1349b23000 ---p 00016000 fd:00 215390 /usr/lib64/libresolv-2.17.so
7f1349b23000-7f1349b24000 r--p 00016000 fd:00 215390 /usr/lib64/libresolv-2.17.so
7f1349b24000-7f1349b25000 rw-p 00017000 fd:00 215390 /usr/lib64/libresolv-2.17.so
7f1349b25000-7f1349b27000 rw-p 00000000 00:00 0
7f1349b27000-7f1349cdf000 r-xp 00000000 fd:00 215362 /usr/lib64/libc-2.17.so
7f1349cdf000-7f1349edf000 ---p 001b8000 fd:00 215362 /usr/lib64/libc-2.17.so
7f1349edf000-7f1349ee3000 r--p 001b8000 fd:00 215362 /usr/lib64/libc-2.17.so
7f1349ee3000-7f1349ee5000 rw-p 001bc000 fd:00 215362 /usr/lib64/libc-2.17.so
7f1349ee5000-7f1349eea000 rw-p 00000000 00:00 0
7f1349eea000-7f1349eff000 r-xp 00000000 fd:00 316564 /usr/lib64/libkmod.so.2.2.10
7f1349eff000-7f134a0fe000 ---p 00015000 fd:00 316564 /usr/lib64/libkmod.so.2.2.10
7f134a0fe000-7f134a0ff000 r--p 00014000 fd:00 316564 /usr/lib64/libkmod.so.2.2.10
7f134a0ff000-7f134a100000 rw-p 00015000 fd:00 316564 /usr/lib64/libkmod.so.2.2.10
7f134a100000-7f134a10c000 r-xp 00000000 fd:00 322329 /usr/lib64/libpci.so.3.5.1
7f134a10c000-7f134a30b000 ---p 0000c000 fd:00 322329 /usr/lib64/libpci.so.3.5.1
7f134a30b000-7f134a30c000 r--p 0000b000 fd:00 322329 /usr/lib64/libpci.so.3.5.1
7f134a30c000-7f134a30d000 rw-p 0000c000 fd:00 322329 /usr/lib64/libpci.so.3.5.1
7f134a30d000-7f134a32e000 r-xp 00000000 fd:00 208315 /usr/lib64/ld-2.17.so
7f134a515000-7f134a51b000 rw-p 00000000 00:00 0
7f134a52b000-7f134a52e000 rw-p 00000000 00:00 0
7f134a52e000-7f134a52f000 r--p 00021000 fd:00 208315 /usr/lib64/ld-2.17.so
7f134a52f000-7f134a530000 rw-p 00022000 fd:00 208315 /usr/lib64/ld-2.17.so
7f134a530000-7f134a531000 rw-p 00000000 00:00 0
7fffebedf000-7fffebf00000 rw-p 00000000 00:00 0 [stack]
7fffebf5a000-7fffebf5c000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Aborted (core dumped)
Thanks
Jing
|
Description of problem: lspci core dump in guest when there have 8 layers switches Version-Release number of selected component (if applicable): kernel-3.10.0-349.el7.x86_64 qemu-kvm-rhev-2.3.0-31.el7_2.7.x86_64 guest:kernel-3.10.0-327.el7.x86_64 How reproducible: 3/3 Steps to Reproduce: 1. Boot guest with following cli: /usr/libexec/qemu-kvm \ -M q35 \ -cpu SandyBridge \ -nodefaults -rtc base=utc \ -m 4G \ -smp 2,sockets=2,cores=1,threads=1 \ -enable-kvm \ -name rhel6 \ -uuid 990ea161-6b67-47b2-b803-19fb01d30d12 \ -smbios type=1,manufacturer='Red Hat',product='RHEV Hypervisor',version=el6,serial=koTUXQrb,uuid=feebc8fd-f8b0-4e75-abc3-e63fcdb67170 \ -k en-us \ -monitor stdio \ -serial unix:/tmp/serial0,server,nowait \ -boot menu=on \ -bios /usr/share/seabios/bios.bin \ -vga std \ -vnc :0 \ -drive file=/home/rhel.img,if=none,id=drive-virtio-disk0,format=raw,cache=none,werror=stop,rerror=stop,aio=threads \ -device virtio-blk-pci,scsi=off,bus=pcie.0,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=0 \ -device ioh3420,bus=pcie.0,id=root.0,slot=1 \ -device ioh3420,bus=pcie.0,id=root.1,slot=2 \ -device x3130-upstream,bus=root.0,id=upstream1 \ -device xio3130-downstream,bus=upstream1,id=downstream1,chassis=1 \ -device x3130-upstream,bus=downstream1,id=upstream2 \ -device xio3130-downstream,bus=upstream2,id=downstream2,chassis=2 \ -device x3130-upstream,bus=downstream2,id=upstream3 \ -device xio3130-downstream,bus=upstream3,id=downstream3,chassis=3 \ -device x3130-upstream,bus=downstream3,id=upstream4 \ -device xio3130-downstream,bus=upstream4,id=downstream4,chassis=4 \ -device x3130-upstream,bus=downstream4,id=upstream5 \ -device xio3130-downstream,bus=upstream5,id=downstream5,chassis=5 \ -device x3130-upstream,bus=downstream5,id=upstream6 \ -device xio3130-downstream,bus=upstream6,id=downstream6,chassis=6 \ -device x3130-upstream,bus=downstream6,id=upstream7 \ -device xio3130-downstream,bus=upstream7,id=downstream7,chassis=7 \ -device x3130-upstream,bus=downstream7,id=upstream8 \ -device xio3130-downstream,bus=upstream8,id=downstream8,chassis=8 \ -device usb-ehci,bus=downstream2,id=ehci \ -drive if=none,file=/home/storage.qcow2,id=disk \ -device usb-storage,drive=disk,bus=ehci.0 \ -netdev tap,id=hostnet1,vhost=on \ -device virtio-net-pci,netdev=hostnet1,id=net1,mac=54:52:00:B6:40:22,bus=root.1 \ 2. check the switches with "info qtree" on hmp (qemu) info qtree bus: main-system-bus type System dev: kvm-ioapic, id "" gpio-in "" 24 gsi_base = 0 (0x0) mmio 00000000fec00000/0000000000001000 dev: q35-pcihost, id "" MCFG = 2952790016 (0xb0000000) pci-hole64-size = 0 (0 B) short_root_bus = 0 (0x0) bus: pcie.0 type PCIE dev: ioh3420, id "root.1" power_controller_present = true chassis = 0 (0x0) slot = 2 (0x2) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 04.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 00:04.0, pci id 8086:3420 (sub 0000:0000) bus: root.1 type PCIE dev: virtio-net-pci, id "net1" ioeventfd = false vectors = 3 (0x3) virtio-pci-bus-master-bug-migration = false disable-legacy = false disable-modern = true addr = 00.0 romfile = "pxe-virtio.rom" rombar = 1 (0x1) multifunction = false command_serr_enable = true class Ethernet controller, addr 12:00.0, pci id 1af4:1000 (sub 1af4:0001) bar 0: i/o at 0xc000 [0xc01f] bar 1: mem at 0xfe640000 [0xfe640fff] bar 6: mem at 0xffffffffffffffff [0x3fffe] bus: virtio-bus type virtio-pci-bus dev: virtio-net-device, id "" csum = true guest_csum = true gso = true guest_tso4 = true guest_tso6 = true guest_ecn = true guest_ufo = true guest_announce = true host_tso4 = true host_tso6 = true host_ecn = true host_ufo = true mrg_rxbuf = true status = true ctrl_vq = true ctrl_rx = true ctrl_vlan = true ctrl_rx_extra = true ctrl_mac_addr = true ctrl_guest_offloads = true mq = false mac = "54:52:00:b6:40:22" vlan = <null> netdev = "hostnet1" x-txtimer = 150000 (0x249f0) x-txburst = 256 (0x100) tx = "" indirect_desc = true event_idx = true notify_on_empty = true any_layout = true dev: ioh3420, id "root.0" power_controller_present = true chassis = 0 (0x0) slot = 1 (0x1) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 03.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 00:03.0, pci id 8086:3420 (sub 0000:0000) bus: root.0 type PCIE dev: x3130-upstream, id "upstream1" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 01:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream1 type PCIE dev: xio3130-downstream, id "downstream1" power_controller_present = true chassis = 1 (0x1) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 02:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream1 type PCIE dev: x3130-upstream, id "upstream2" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 03:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream2 type PCIE dev: xio3130-downstream, id "downstream2" power_controller_present = true chassis = 2 (0x2) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 04:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream2 type PCIE dev: usb-ehci, id "ehci" maxframes = 128 (0x80) addr = 01.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class USB controller, addr 05:01.0, pci id 8086:24cd (sub 1af4:1100) bar 0: mem at 0xfe800000 [0xfe800fff] bus: ehci.0 type usb-bus dev: usb-storage, id "" drive = "" logical_block_size = 512 (0x200) physical_block_size = 512 (0x200) min_io_size = 0 (0x0) opt_io_size = 0 (0x0) discard_granularity = 4294967295 (0xffffffff) removable = false port = "" serial = "" full-path = true msos-desc = true addr 0.1, port 1, speed 480, name QEMU USB MSD, attached bus: scsi.0 type SCSI dev: scsi-disk, id "" drive = "disk" logical_block_size = 512 (0x200) physical_block_size = 512 (0x200) min_io_size = 0 (0x0) opt_io_size = 0 (0x0) discard_granularity = 4096 (0x1000) ver = "2.3.0" serial = "" vendor = "QEMU" product = "QEMU HARDDISK" removable = false dpofua = false wwn = 0 (0x0) port_wwn = 0 (0x0) port_index = 0 (0x0) max_unmap_size = 1073741824 (0x40000000) max_io_size = 2147483647 (0x7fffffff) channel = 0 (0x0) scsi-id = 0 (0x0) lun = 0 (0x0) dev: x3130-upstream, id "upstream3" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 05:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream3 type PCIE dev: xio3130-downstream, id "downstream3" power_controller_present = true chassis = 3 (0x3) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 06:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream3 type PCIE dev: x3130-upstream, id "upstream4" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 07:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream4 type PCIE dev: xio3130-downstream, id "downstream4" power_controller_present = true chassis = 4 (0x4) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 08:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream4 type PCIE dev: x3130-upstream, id "upstream5" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 09:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream5 type PCIE dev: xio3130-downstream, id "downstream5" power_controller_present = true chassis = 5 (0x5) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 0a:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream5 type PCIE dev: x3130-upstream, id "upstream6" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 0b:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream6 type PCIE dev: xio3130-downstream, id "downstream6" power_controller_present = true chassis = 6 (0x6) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 0c:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream6 type PCIE dev: x3130-upstream, id "upstream7" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 0d:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream7 type PCIE dev: xio3130-downstream, id "downstream7" power_controller_present = true chassis = 7 (0x7) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 0e:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream7 type PCIE dev: x3130-upstream, id "upstream8" port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 0f:00.0, pci id 104c:8232 (sub 0000:0000) bus: upstream8 type PCIE dev: xio3130-downstream, id "downstream8" power_controller_present = true chassis = 8 (0x8) slot = 0 (0x0) port = 0 (0x0) aer_log_max = 8 (0x8) addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class PCI bridge, addr 10:00.0, pci id 104c:8233 (sub 0000:0000) bus: downstream8 type PCIE dev: virtio-blk-pci, id "virtio-disk0" class = 0 (0x0) ioeventfd = true vectors = 2 (0x2) virtio-pci-bus-master-bug-migration = false disable-legacy = false disable-modern = true addr = 02.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class SCSI controller, addr 00:02.0, pci id 1af4:1001 (sub 1af4:0002) bar 0: i/o at 0xd000 [0xd03f] bar 1: mem at 0xfea11000 [0xfea11fff] bus: virtio-bus type virtio-pci-bus dev: virtio-blk-device, id "" drive = "drive-virtio-disk0" logical_block_size = 512 (0x200) physical_block_size = 512 (0x200) min_io_size = 0 (0x0) opt_io_size = 0 (0x0) discard_granularity = 4294967295 (0xffffffff) cyls = 16383 (0x3fff) heads = 16 (0x10) secs = 63 (0x3f) serial = "" config-wce = true scsi = false request-merging = true x-data-plane = false indirect_desc = true event_idx = true notify_on_empty = true any_layout = false dev: VGA, id "" vgamem_mb = 16 (0x10) mmio = true qemu-extended-regs = true addr = 01.0 romfile = "vgabios-stdvga.bin" rombar = 1 (0x1) multifunction = false command_serr_enable = true class VGA controller, addr 00:01.0, pci id 1234:1111 (sub 1af4:1100) bar 0: mem at 0xfd000000 [0xfdffffff] bar 2: mem at 0xfea10000 [0xfea10fff] bar 6: mem at 0xffffffffffffffff [0xfffe] dev: ICH9 SMB, id "" addr = 1f.3 romfile = "" rombar = 1 (0x1) multifunction = true command_serr_enable = true class SMBus, addr 00:1f.3, pci id 8086:2930 (sub 1af4:1100) bar 4: i/o at 0x700 [0x73f] bus: i2c type i2c-bus dev: smbus-eeprom, id "" address = 87 (0x57) dev: smbus-eeprom, id "" address = 86 (0x56) dev: smbus-eeprom, id "" address = 85 (0x55) dev: smbus-eeprom, id "" address = 84 (0x54) dev: smbus-eeprom, id "" address = 83 (0x53) dev: smbus-eeprom, id "" address = 82 (0x52) dev: smbus-eeprom, id "" address = 81 (0x51) dev: smbus-eeprom, id "" address = 80 (0x50) dev: ich9-ahci, id "" addr = 1f.2 romfile = "" rombar = 1 (0x1) multifunction = true command_serr_enable = true class SATA controller, addr 00:1f.2, pci id 8086:2922 (sub 1af4:1100) bar 4: i/o at 0xd080 [0xd09f] bar 5: mem at 0xfea12000 [0xfea12fff] bus: ide.5 type IDE bus: ide.4 type IDE bus: ide.3 type IDE bus: ide.2 type IDE bus: ide.1 type IDE bus: ide.0 type IDE dev: ICH9-LPC, id "" addr = 1f.0 romfile = "" rombar = 1 (0x1) multifunction = true command_serr_enable = true class ISA bridge, addr 00:1f.0, pci id 8086:2918 (sub 1af4:1100) bus: isa.0 type ISA dev: port92, id "" dev: vmmouse, id "" dev: vmport, id "" dev: i8042, id "" isa irqs 1,12 dev: isa-serial, id "" index = 0 (0x0) iobase = 1016 (0x3f8) irq = 4 (0x4) chardev = "serial0" wakeup = 0 (0x0) isa irq 4 dev: isa-pcspk, id "" iobase = 97 (0x61) dev: kvm-pit, id "" gpio-in "" 1 iobase = 64 (0x40) lost_tick_policy = "delay" dev: mc146818rtc, id "" base_year = 0 (0x0) lost_tick_policy = "discard" isa irq 8 dev: kvm-i8259, id "" iobase = 160 (0xa0) elcr_addr = 1233 (0x4d1) elcr_mask = 222 (0xde) master = false dev: kvm-i8259, id "" iobase = 32 (0x20) elcr_addr = 1232 (0x4d0) elcr_mask = 248 (0xf8) master = true dev: mch, id "" addr = 00.0 romfile = "" rombar = 1 (0x1) multifunction = false command_serr_enable = true class Host bridge, addr 00:00.0, pci id 8086:29c0 (sub 1af4:1100) dev: fw_cfg_io, id "" iobase = 1296 (0x510) dev: kvmclock, id "" dev: kvmvapic, id "" dev: icc-bridge, id "" mmio 00000000fee00000/0000000000100000 bus: icc type icc-bus dev: kvm-apic, id "" id = 1 (0x1) version = 20 (0x14) vapic = true dev: SandyBridge-x86_64-cpu, id "" pmu = false hv-spinlocks = -1 (0xffffffffffffffff) hv-relaxed = false hv-vapic = false hv-time = false check = false enforce = false kvm = true dev: kvm-apic, id "" id = 0 (0x0) version = 20 (0x14) vapic = true dev: SandyBridge-x86_64-cpu, id "" pmu = false hv-spinlocks = -1 (0xffffffffffffffff) hv-relaxed = false hv-vapic = false hv-time = false check = false enforce = false kvm = true 3. check the controller in guest with lspci Actual results: lspci core dump in the guest [root@localhost ~]# lspci -vvv -t -[0000:00]-+-00.0 Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller +-01.0 Device 1234:1111 +-02.0 Red Hat, Inc Virtio block device +-03.0-[01-11]----00.0-[02-11]----00.0-[03-11]----00.0-[04-11]----00.0-[05-11]----00.0-[06-11]----00.0-[07-11]----00.0-[08-11]----00.0-[09-11]----00.0-[0a-11]----00.0-[0b-11]----00.0-[0c-11]----00.0-[0d-11]----00.0-[0e-11]----00.0-[0f-11]----00.0-[10-11]----00.0-[11]-- +-04.0-[12]----00.0 Red Hat, Inc Virtio network device +-1f.0 Intel Corporation 82801IB (ICH9) LPC Interface Controller +-1f.2 Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode] \-1f.3 Intel Corporation 82801I (ICH9 Family) SMBus Controller *** stack smashing detected ***: lspci terminated ======= Backtrace: ========= /lib64/libc.so.6(__fortify_fail+0x37)[0x7f042c750a77] /lib64/libc.so.6(__fortify_fail+0x0)[0x7f042c750a40] lspci[0x40a05e] lspci[0x4019f6] /lib64/libc.so.6(__libc_start_main+0xf5)[0x7f042c664b15] lspci[0x401a31] ======= Memory map: ======== 00400000-00410000 r-xp 00000000 fd:00 203092595 /usr/sbin/lspci 0060f000-00610000 r--p 0000f000 fd:00 203092595 /usr/sbin/lspci 00610000-00611000 rw-p 00010000 fd:00 203092595 /usr/sbin/lspci 0130a000-0149f000 rw-p 00000000 00:00 0 [heap] 7f042c001000-7f042c016000 r-xp 00000000 fd:00 201326729 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 7f042c016000-7f042c215000 ---p 00015000 fd:00 201326729 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 7f042c215000-7f042c216000 r--p 00014000 fd:00 201326729 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 7f042c216000-7f042c217000 rw-p 00015000 fd:00 201326729 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 7f042c217000-7f042c222000 r-xp 00000000 fd:00 201342600 /usr/lib64/libnss_files-2.17.so 7f042c222000-7f042c421000 ---p 0000b000 fd:00 201342600 /usr/lib64/libnss_files-2.17.so 7f042c421000-7f042c422000 r--p 0000a000 fd:00 201342600 /usr/lib64/libnss_files-2.17.so 7f042c422000-7f042c423000 rw-p 0000b000 fd:00 201342600 /usr/lib64/libnss_files-2.17.so 7f042c423000-7f042c429000 rw-p 00000000 00:00 0 7f042c429000-7f042c43f000 r-xp 00000000 fd:00 201342610 /usr/lib64/libresolv-2.17.so 7f042c43f000-7f042c63f000 ---p 00016000 fd:00 201342610 /usr/lib64/libresolv-2.17.so 7f042c63f000-7f042c640000 r--p 00016000 fd:00 201342610 /usr/lib64/libresolv-2.17.so 7f042c640000-7f042c641000 rw-p 00017000 fd:00 201342610 /usr/lib64/libresolv-2.17.so 7f042c641000-7f042c643000 rw-p 00000000 00:00 0 7f042c643000-7f042c7f9000 r-xp 00000000 fd:00 201341814 /usr/lib64/libc-2.17.so 7f042c7f9000-7f042c9f9000 ---p 001b6000 fd:00 201341814 /usr/lib64/libc-2.17.so 7f042c9f9000-7f042c9fd000 r--p 001b6000 fd:00 201341814 /usr/lib64/libc-2.17.so 7f042c9fd000-7f042c9ff000 rw-p 001ba000 fd:00 201341814 /usr/lib64/libc-2.17.so 7f042c9ff000-7f042ca04000 rw-p 00000000 00:00 0 7f042ca04000-7f042ca0f000 r-xp 00000000 fd:00 201844046 /usr/lib64/libpci.so.3.2.1 7f042ca0f000-7f042cc0f000 ---p 0000b000 fd:00 201844046 /usr/lib64/libpci.so.3.2.1 7f042cc0f000-7f042cc10000 r--p 0000b000 fd:00 201844046 /usr/lib64/libpci.so.3.2.1 7f042cc10000-7f042cc11000 rw-p 0000c000 fd:00 201844046 /usr/lib64/libpci.so.3.2.1 7f042cc11000-7f042cc32000 r-xp 00000000 fd:00 201341807 /usr/lib64/ld-2.17.so 7f042ce1c000-7f042ce1f000 rw-p 00000000 00:00 0 7f042ce2f000-7f042ce32000 rw-p 00000000 00:00 0 7f042ce32000-7f042ce33000 r--p 00021000 fd:00 201341807 /usr/lib64/ld-2.17.so 7f042ce33000-7f042ce34000 rw-p 00022000 fd:00 201341807 /usr/lib64/ld-2.17.so 7f042ce34000-7f042ce35000 rw-p 00000000 00:00 0 7ffe31304000-7ffe31325000 rw-p 00000000 00:00 0 [stack] 7ffe31379000-7ffe3137b000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Aborted (core dumped) Expected results: lspci didn't core dump Additional info: