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Re: [Qemu-devel] qemu core dump when vnc client connect to VM, Is anyone


From: 蔡志峰
Subject: Re: [Qemu-devel] qemu core dump when vnc client connect to VM, Is anyone has the similar problem, thanks!
Date: Tue, 1 Apr 2014 14:09:24 +0800 (CST)

Thank you very much.





At 2014-03-31 15:26:00,"Gonglei (Arei)" <address@hidden> wrote:

Hi,

My patch http://git.qemu.org/?p=qemu.git;a=commitdiff;h=e3c1adf16e38714ebd761dd02517dd07760ba6d2

had been fixed this issue.

 

 

Best regards,

-Gonglei

 

From: qemu-devel-bounces+arei.gonglei=address@hidden [mailto:qemu-devel-bounces+arei.gonglei=address@hidden] On Behalf Of Caizhifeng
Sent: Sunday, March 30, 2014 6:16 PM
To: address@hidden
Cc: address@hidden
Subject: [Qemu-devel] qemu core dump when vnc client connect to VM, Is anyone has the similar problem, thanks!

 

Hi,

I’ve been tring to use QEMU-1.5.0 and Libvirt-1.1.0 to run a VM, but this problem comes up. The VM’s log by libvirtd is as follow, which is similar to link: https://bugzilla.redhat.com/show_bug.cgi?id=906735, And it seems difficult to reproduce. Is there anyone have ever encounter this problem, is it a known bug, any information will be appriciated.

 

 

Vm’log :

2014-03-28 08:53:32.961+0000: starting up

LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin QEMU_AUDIO_DRV=none /usr/bin/kvm -name CentOS-6.5-ZFW-05 -S -machine pc-i440fx-1.5,accel=kvm,usb=off,system=linux -m 10240 -smp 4,maxcpus=24,sockets=12,cores=2,threads=1 -uuid f2a44069-7ff4-4e8a-bfd4-3513ac663ce2 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/CentOS-6.5-ZFW-05.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device usb-ehci,id=ehci,bus=pci.0,addr=0x4 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive file=/vms/share-data02/CentOS-6.5-ZFW-05.5-ZFW,if=none,id=drive-ide0-0-0,format=qcow2,cache=directsync -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -drive if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,bootindex=2 -netdev tap,fd=27,id=hostnet0 -device rtl8139,netdev=hostnet0,id=net0,mac=0c:da:41:1d:32:4e,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev socket,id=charchannel0,path=/var/lib/libvirt/qemu/CentOS-6.5-ZFW-05.agent,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.0 -device usb-tablet,id=input0,bus=usb.0 -vnc 0.0.0.0:3 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6

Domain id=5 is tainted: high-privileges

char device redirected to /dev/pts/2 (label charserial0)

*** glibc detected *** /usr/bin/kvm: realloc(): invalid old size: 0x00007f799408d110 ***

======= Backtrace: =========

/lib/x86_64-linux-gnu/libc.so.6(+0x7e626)[0x7f79b7b6c626]

/lib/x86_64-linux-gnu/libc.so.6(+0x81917)[0x7f79b7b6f917]

/lib/x86_64-linux-gnu/libc.so.6(realloc+0xee)[0x7f79b7b711fe]

/usr/bin/kvm(+0x2a3c4c)[0x7f79ba153c4c]     realloc_and_trace

/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_realloc+0x17)[0x7f79b97dbaf7]

/usr/bin/kvm(+0x294ccd)[0x7f79ba144ccd]     buffer_reserve

/usr/bin/kvm(+0x2972cc)[0x7f79ba1472cc]     vnc_write

/usr/bin/kvm(+0x27f41d)[0x7f79ba12f41d]     send_hextile_tile_32

/usr/bin/kvm(+0x27fda7)[0x7f79ba12fda7]     vnc_hextile_send_framebuffer_update

/usr/bin/kvm(+0x295869)[0x7f79ba145869]     vnc_send_framebuffer_update

/usr/bin/kvm(+0x290e23)[0x7f79ba140e23]     vnc_worker_thread_loop

/usr/bin/kvm(+0x291193)[0x7f79ba141193]     vnc_worker_thread

/lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f79b7eb2e9a]

/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f79b7be04bd]

======= Memory map: ========

7f7710000000-7f7990000000 rw-p 00000000 00:00 0

……

7f799c02c000-7f79a0000000 ---p 00000000 00:00 0

7f79a0000000-7f79a0046000 rw-p 00000000 00:00 0

7f79a0046000-7f79a4000000 ---p 00000000 00:00 0

7f79a41e9000-7f79a41fe000 r-xp 00000000 08:01 1308204                    /lib/x86_64-linux-gnu/libgcc_s.so.1

7f79a41fe000-7f79a43fd000 ---p 00015000 08:01 1308204                    /lib/x86_64-linux-gnu/libgcc_s.so.1

7f79a43fd000-7f79a43fe000 r--p 00014000 08:01 1308204                    /lib/x86_64-linux-gnu/libgcc_s.so.1

7f79a43fe000-7f79a43ff000 rw-p 00015000 08:01 1308204                    /lib/x86_64-linux-gnu/libgcc_s.so.1

7f79a43ff000-7f79a4400000 ---p 00000000 00:00 0

7f79a4400000-7f79a4c00000 rw-p 00000000 00:00 0                          [stack:44019]

……

7f79a5dfa000-7f79a5dfb000 ---p 00000000 00:00 0

7f79a5dfb000-7f79a65fb000 rw-p 00000000 00:00 0                          [stack:44013]

7f79a65fb000-7f79a65fc000 ---p 00000000 00:00 0

7f79a65fc000-7f79a6dfc000 rw-p 00000000 00:00 0                          [stack:44012]

7f79a6dfc000-7f79a6dfd000 ---p 00000000 00:00 0

7f79a6dfd000-7f79a75fd000 rw-p 00000000 00:00 0                          [stack:44011]

7f79a75fd000-7f79a75fe000 ---p 00000000 00:00 0

7f79a75fe000-7f79ac000000 rw-p 00000000 00:00 0                          [stack:44010]

7f79ac000000-7f79ac021000 rw-p 00000000 00:00 0

…….

7f79b2a95000-7f79b3295000 rw-p 00000000 00:00 0                          [stack:44009]

7f79b3295000-7f79b32a1000 r-xp 00000000 08:01 1308191                    /lib/x86_64-linux-gnu/libnss_files-2.15.so

7f79b32a1000-7f79b34a0000 ---p 0000c000 08:01 1308191                    /lib/x86_64-linux-gnu/libnss_files-2.15.so

7f79b34a0000-7f79b34a1000 r--p 0000b000 08:01 1308191                    /lib/x86_64-linux-gnu/libnss_files-2.15.so

7f79b34a1000-7f79b34a2000 rw-p 0000c000 08:01 1308191                    /lib/x86_64-linux-gnu/libnss_files-2.15.so

7f79b34a2000-7f79b34ac000 r-xp 00000000 08:01 1308192                    /lib/x86_64-linux-gnu/libnss_nis-2.15.so

7f79b34ac000-7f79b36ac000 ---p 0000a000 08:01 1308192                    /lib/x86_64-linux-gnu/libnss_nis-2.15.so

7f79b36ac000-7f79b36ad000 r--p 0000a000 08:01 1308192                    /lib/x86_64-linux-gnu/libnss_nis-2.15.so

7f79b36ad000-7f79b36ae000 rw-p 0000b000 08:01 1308192                    /lib/x86_64-linux-gnu/libnss_nis-2.15.so

7f79b36ae000-7f79b36c5000 r-xp 00000000 08:01 1308186                    /lib/x86_64-linux-gnu/libnsl-2.15.so

……

7f79b9eaa000-7f79b9ead000 rw-p 00000000 00:00 0

7f79b9ead000-7f79b9eae000 r--p 00022000 08:01 1308182                    /lib/x86_64-linux-gnu/ld-2.15.so

7f79b9eae000-7f79b9eb0000 rw-p 00023000 08:01 1308182                    /lib/x86_64-linux-gnu/ld-2.15.so

7f79b9eb0000-7f79ba475000 r-xp 00000000 08:01 1178165                    /usr/bin/qemu-system-x86_64

7f79ba675000-7f79ba735000 r--p 005c5000 08:01 1178165                    /usr/bin/qemu-system-x86_64

7f79ba735000-7f79ba791000 rw-p 00685000 08:01 1178165                    /usr/bin/qemu-system-x86_64

7f79ba791000-7f79bb01c000 rw-p 00000000 00:00 0

7f79bcf2f000-7f79bd891000 rw-p 00000000 00:00 0                          [heap]

7fffba8b3000-7fffba8d4000 rw-p 00000000 00:00 0                          [stack]

7fffba9a3000-7fffba9a5000 r-xp 00000000 00:00 0                          [vdso]

ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

2014-03-28 08:54:35.192+0000: shutting down

 

 

 

 

 

 

 

 

 

 

Thank you in advance.

 

address@hidden

 

 

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