Bug 726317 - code dumped when start guest with multi usb devices and specify usb port than 4.
Summary: code dumped when start guest with multi usb devices and specify usb port than 4.
Status: CLOSED DUPLICATE of bug 734995
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.2
Hardware: x86_64
OS: Linux
Target Milestone: rc
: ---
Assignee: Gerd Hoffmann
QA Contact: Virtualization Bugs
Depends On:
TreeView+ depends on / blocked
Reported: 2011-07-28 08:01 UTC by FuXiangChun
Modified: 2011-09-14 09:23 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2011-09-14 09:23:59 UTC
Target Upstream Version:

Attachments (Terms of Use)

Description FuXiangChun 2011-07-28 08:01:57 UTC
Description of problem:
use commandline to start guest with multi usb devices, and specify usb port >4. code dumped

Version-Release number of selected component (if applicable):
# uname -r
# rpm -qa|grep kvm

How reproducible:

Steps to Reproduce:
1.# /usr/libexec/qemu-kvm -M rhel6.1.0 -enable-kvm -m 4G -smp 2,sockets=2,cores=1,threads=1 -name rhel6 -uuid 745fe449-aac8-29f1-0c2d-5042a707263b -boot c -drive file=rhel61.qcow2,if=none,id=drive-ide0-0-0,format=qcow2,cache=none,aio=threads -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -netdev tap,id=hostnet1,vhost=on,script=/etc/qemu-ifup -device rtl8139,netdev=hostnet1,mac=00:24:21:7F:B6:01,bus=pci.0,id=virtio-net-pci1 -usb -device usb-ehci,id=ehci1 -device usb-hub,port=1 -device usb-ehci,id=ehci2 -device usb-hub,port=2,bus=ehci1.0 -usb -device usb-ehci,id=ehci3 -device usb-hub,port=3 -device usb-ehci,id=ehci4 -device usb-hub,port=5,bus=ehci1.0 -monitor stdio  -spice disable-ticketing,port=5912
do_spice_init: starting 0.8.2
spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
spice_server_add_interface: SPICE_INTERFACE_MOUSE
*** EHCI support is under development ***
*** EHCI support is under development ***
*** EHCI support is under development ***
*** EHCI support is under development ***
Warning: usb port 5 (bus ehci1.0) not found
Segmentation fault (core dumped)
Actual results:
code dumped

Expected results:
can not code dumped

Additional info:

Comment 1 juzhang 2011-07-28 09:38:31 UTC
> Actual results:
> code dumped
Please upload core dump file.

Comment 2 FuXiangChun 2011-07-28 10:39:11 UTC
core dump file:

(gdb) bt
#0  0x00000037dcd2686f in __strlen_sse42 () from /lib64/libc.so.6
#1  0x0000000000478dcb in qemu_strdup (str=0xc <Address 0xc out of bounds>) at qemu-malloc.c:93
#2  0x00000000004b9d72 in vmstate_register (dev=0x35dbd10, instance_id=-1, vmsd=0x63e640, opaque=0x35dbd10) at savevm.c:1237
#3  0x00000000004bd81f in qdev_init (dev=0x35dbd10) at /usr/src/debug/qemu-kvm-
#4  0x00000000004bdb79 in qdev_device_add (opts=0x1faa450) at /usr/src/debug/qemu-kvm-
#5  0x0000000000409279 in device_init_func (opts=<value optimized out>, opaque=<value optimized out>) at /usr/src/debug/qemu-kvm-
#6  0x0000000000478ffa in qemu_opts_foreach (list=<value optimized out>, func=0x409270 <device_init_func>, opaque=0x0, abort_on_failure=<value optimized out>) at qemu-option.c:943
#7  0x000000000040cf78 in main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/qemu-kvm-

Comment 6 FuXiangChun 2011-09-13 11:55:46 UTC
verify on above build (qemu-kvm-

# /usr/libexec/qemu-kvm -M rhel6.1.0 -enable-kvm -m 4G -smp 2,sockets=2,cores=1,threads=1 -name rhel6 -uuid 745fe449-aac8-29f1-0c2d-5042a707263b -boot c -drive file=/home/rhel61-new.qcow2,if=none,id=drive-ide0-0-0,format=qcow2,cache=none,aio=threads -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -net none -monitor stdio -spice disable-ticketing,port=5912 -readconfig /home/ich9-ehci-uhci.cfg -device usb-hub,port=1,bus=ehci.0 -device usb-hub,port=2,bus=ehci.0 -device usb-hub,port=3,bus=ehci.0 -device usb-hub,port=4,bus=ehci.0 -device usb-hub,port=5,bus=ehci.0 -device usb-hub,port=6,bus=ehci.0

actual result:

guest boot successful

Comment 7 Gerd Hoffmann 2011-09-14 09:23:59 UTC
Good, then it actually is a dup of 734995

*** This bug has been marked as a duplicate of bug 734995 ***

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