Re: [Qemu-devel] [Bug 1455254] [NEW] Segmentation fault. __memcmp_sse4_1 () at ../sysdeps/x86_64/multiarch/memcmp-sse4.S:69

[Stefan Hajnoczi]

On Thu, May 14, 2015 at 10:18:33PM -0000, Manuel Baesler wrote:
> Public bug reported:
> 
> compiled qemu at commit 1eeace9c237a729d11c7acd7c0338ab4562af637
> 
> with ./configure --enable-debug --enable-vnc --target-
> list=x86_64-softmmu
> 
> 
> gdb --args ./qemu-system-x86_64 -nographic -parallel none -serial none 
> -nodefconfig -nodefaults -machine accel=kvm -enable-kvm -m 1024M -vga qxl -k 
> de -cpu qemu64 -smp cpus=1,cores=1,threads=1,sockets=1 -net 
> nic,model=rtl8139,macaddr=xxx -net tap -drive 
> file=freebsd.img,media=disk,if=ide -vnc :18
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> Reading symbols from ./qemu-system-x86_64...done.
> (gdb) run
> Starting program: /root/qemu/x86_64-softmmu/qemu-system-x86_64 -nographic 
> -parallel none -serial none -nodefconfig -nodefaults -machine accel=kvm 
> -enable-kvm -m 1024M -vga qxl -k de -cpu qemu64 -smp 
> cpus=1,cores=1,threads=1,sockets=1 -net nic,model=rtl8139,macaddr=xxx-net tap 
> -drive file=freebsd.img,media=disk,if=ide -vnc :18
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [New Thread 0x7ffff44a0700 (LWP 25946)]
> ifconfig up for tap2
> add bride for tap2
> [New Thread 0x7ffff3c9f700 (LWP 25957)]
> [New Thread 0x7ffff2e99700 (LWP 25958)]
> [New Thread 0x7ffff0dd4700 (LWP 25959)]
> [New Thread 0x7fff9bfff700 (LWP 25961)]
> 
> Program received signal SIGSEGV, Segmentation fault.
> __memcmp_sse4_1 () at ../sysdeps/x86_64/multiarch/memcmp-sse4.S:69
> 69    ../sysdeps/x86_64/multiarch/memcmp-sse4.S: No such file or directory.
> (gdb) backtrace
> #0  __memcmp_sse4_1 () at ../sysdeps/x86_64/multiarch/memcmp-sse4.S:69
> #1  0x00005555558be7a3 in qemu_spice_create_update (ssd=0x555557240140) at 
> ui/spice-display.c:222
> #2  0x00005555558bf610 in qemu_spice_display_refresh (ssd=0x555557240140) at 
> ui/spice-display.c:495
> #3  0x00005555557d106e in display_refresh (dcl=0x555557240148) at 
> hw/display/qxl.c:1857
> #4  0x00005555558b763d in dpy_refresh (s=0x5555573a0e80) at ui/console.c:1493
> #5  0x00005555558b3e5a in gui_update (opaque=0x5555573a0e80) at 
> ui/console.c:197
> #6  0x00005555558e9651 in timerlist_run_timers (timer_list=0x5555562cbab0) at 
> qemu-timer.c:502
> #7  0x00005555558e9699 in qemu_clock_run_timers (type=QEMU_CLOCK_REALTIME) at 
> qemu-timer.c:513
> #8  0x00005555558e9983 in qemu_clock_run_all_timers () at qemu-timer.c:621
> #9  0x00005555558e830b in main_loop_wait (nonblocking=0) at main-loop.c:500
> #10 0x0000555555729903 in main_loop () at vl.c:1799
> #11 0x00005555557311c7 in main (argc=29, argv=0x7fffffffe9e8, 
> envp=0x7fffffffead8) at vl.c:4385
> 
> 
> Linux is 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt9-3 (2015-04-23) x86_64 
> GNU/Linux
> 
> 
> the segfault occurs after I log into the gnome session. virtualized os is 
> FreeBSD
> 
> ** Affects: qemu
>      Importance: Undecided
>          Status: New
> 
> -- 
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/1455254

CCing Gerd

Stefan

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