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Bug 1096590 - QEMU core dumped when boot up two scsi-hd disk on the same virtio-scsi-pci controller in Intel host
Summary: QEMU core dumped when boot up two scsi-hd disk on the same virtio-scsi-pci co...
Keywords:
Status: CLOSED DUPLICATE of bug 1095609
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.6
Hardware: Unspecified
OS: Unspecified
medium
high
Target Milestone: rc
: ---
Assignee: Fam Zheng
QA Contact: Virtualization Bugs
URL:
Whiteboard:
: 1096577 (view as bug list)
Depends On: 1096576
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-05-12 06:20 UTC by Sibiao Luo
Modified: 2014-08-07 00:32 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of: 1096576
Environment:
Last Closed: 2014-08-07 00:32:26 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Comment 1 Sibiao Luo 2014-05-12 06:33:49 UTC 
host info:
# uname -r && rpm -q qemu-kvm-rhev
2.6.32-448.el6.x86_64
qemu-kvm-rhev-0.12.1.2-2.424.el6.x86_64
guest info:
# uname -r
2.6.32-448.el6.x86_64

# /usr/libexec/qemu-kvm -M pc -cpu SandyBridge -enable-kvm -m 4096 -smp 4,sockets=2,cores=2,threads=1 -no-kvm-pit-reinjection -usb -device usb-tablet,id=input0 -name sluo_test -uuid 990ea161-6b67-47b2-b803-19fb01d30d30 -rtc base=localtime,clock=host,driftfix=slew -device virtio-serial-pci,id=virtio-serial0,max_ports=16,vectors=0,bus=pci.0,addr=0x3 -chardev socket,id=channel1,path=/tmp/helloworld1,server,nowait -device virtserialport,chardev=channel1,name=com.redhat.rhevm.vdsm,bus=virtio-serial0.0,id=port1 -chardev socket,id=channel2,path=/tmp/helloworld2,server,nowait -device virtserialport,chardev=channel2,name=com.redhat.rhevm.vdsm,bus=virtio-serial0.0,id=port2 -drive file=/home/RHEL6.5-20131019.1_Server_x86_64.qcow2bk,if=none,id=drive-system-disk,format=qcow2,cache=none,aio=native,werror=stop,rerror=stop -device virtio-scsi-pci,bus=pci.0,addr=0x4,id=scsi0 -device scsi-hd,drive=drive-system-disk,id=system-disk,bus=scsi0.0,bootindex=1 -nodefaults -vnc :1 -monitor stdio -drive file=/home/my-data-disk.raw,if=none,id=drive-hostdev0 -device scsi-hd,bus=scsi1.0,channel=0,scsi-id=0,lun=0,drive=drive-hostdev0,id=hostdev0,bus=scsi0.0
Segmentation fault (core dumped)


Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Failed to read a valid object file image from memory.
Core was generated by `/usr/libexec/qemu-kvm -M pc -cpu SandyBridge -enable-kvm -m 4096 -smp 4,sockets'.
Program terminated with signal 11, Segmentation fault.
#0  qdev_get_fw_dev_path_helper (dev=0x7fd4e84ff010, p=0x7fffd19cc4e0 <Address 0x7fffd19cc4e0 out of bounds>, size=-128)
    at /usr/src/debug/qemu-kvm-0.12.1.2/hw/qdev.c:901
901	        l = qdev_get_fw_dev_path_helper(dev->parent_bus->parent, p, size);
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.132.el6.x86_64
(gdb) bt
#0  qdev_get_fw_dev_path_helper (dev=0x7fd4e84ff010, p=0x7fffd19cc4e0 <Address 0x7fffd19cc4e0 out of bounds>, size=-128)
    at /usr/src/debug/qemu-kvm-0.12.1.2/hw/qdev.c:901
Cannot access memory at address 0x7fffd19cc4d8
(gdb) bt full
#0  qdev_get_fw_dev_path_helper (dev=0x7fd4e84ff010, p=0x7fffd19cc4e0 <Address 0x7fffd19cc4e0 out of bounds>, size=-128)
    at /usr/src/debug/qemu-kvm-0.12.1.2/hw/qdev.c:901
        d = <value optimized out>
        l = 0
Cannot access memory at address 0x7fffd19cc4d8
(gdb)
Comment 2 Sibiao Luo 2014-06-10 05:55:44 UTC 
Thanks famz who point out my double 'bus' specified in qemu-kvm command line, but I still hit it with qemu-kvm-rhev-0.12.1.2-2.427.el6.x86_64 after i remove the duplicate 'bus'.

e.g:...-drive file=/home/RHEL-Server-7.0-64-virtio.qcow2,if=none,id=drive-system-disk,format=qcow2,cache=none,aio=native,werror=stop,rerror=stop -device virtio-scsi-pci,bus=pci.0,addr=0x4,id=scsi0 -device scsi-hd,drive=drive-system-disk,id=system-disk,bus=scsi0.0,bootindex=1 -drive file=/home/my-data-disk.raw,if=none,id=drive-hostdev0 -device scsi-hd,channel=0,scsi-id=0,lun=0,drive=drive-hostdev0,id=hostdev0,bus=scsi0.0

host info:
# uname -r && rpm -q qemu-kvm-rhev
2.6.32-475.el6.x86_64
qemu-kvm-rhev-0.12.1.2-2.427.el6.x86_64

(gdb) bt
#0  qdev_get_fw_dev_path_helper (dev=0x7f05ac507a10, p=0x7fff952d5410 "\001", size=-128)
    at /usr/src/debug/qemu-kvm-0.12.1.2/hw/qdev.c:901
#1  0x00007f05aa315c13 in qdev_get_fw_dev_path (dev=<value optimized out>)
    at /usr/src/debug/qemu-kvm-0.12.1.2/hw/qdev.c:920
#2  0x00007f05aa27e3d5 in get_boot_devices_list (size=0x7fff952d550c) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:2360
#3  0x00007f05aa3e4572 in fw_cfg_machine_ready (n=<value optimized out>, data=<value optimized out>)
    at /usr/src/debug/qemu-kvm-0.12.1.2/hw/fw_cfg.c:344
#4  0x00007f05aa3360f4 in notifier_list_notify (list=<value optimized out>, data=0x0)
    at /usr/src/debug/qemu-kvm-0.12.1.2/notify.c:37
#5  0x00007f05aa27fb0b in qemu_run_machine_init_done_notifiers (argc=65, argv=<value optimized out>, 
    envp=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:5127
#6  main (argc=65, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:6608
(gdb) q
Comment 3 Fam Zheng 2014-06-11 06:10:15 UTC 
*** Bug 1096577 has been marked as a duplicate of this bug. ***
Comment 4 Fam Zheng 2014-08-07 00:32:26 UTC 
Already fixed in bug 1095609. Mark as duplicated.

*** This bug has been marked as a duplicate of bug 1095609 ***
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