Bugs item #2725367, was opened at 2009-04-01 19:57 Message generated for change (Tracker Item Submitted) made by technologov You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2725367&group_id=180599 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: qemu Group: None Status: Open Resolution: None Priority: 8 Private: No Submitted By: Technologov (technologov) Assigned to: Nobody/Anonymous (nobody) Summary: KVM userspace segfaults due to internal VNC server Initial Comment: KVM's internal VNC server is unstable. When running KVM (KVM-84 or 85rc2), the userspace segfaults when I try to connect to it with VNC client. Only some VNC clients can trigger it. It happens on both Intel & AMD. I used TightVNC 1.3 client for Linux 64-bit. No problems happen with SDL rendering. Host: Intel Core 2 CPU, KVM-85rc2, Fedora 7 x64 Guest: Windows XP SP2 32-bit The Command sent to Qemu/KVM: /usr/local/bin/qemu-system-x86_64 -m 256 -monitor tcp:localhost:4502,server,nowait -cdrom /isos/windows/WindowsXP-sp2-vlk.iso -hda /vm/winxp.qcow2 -name WindowsXP -vnc :1 GDB output: (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 46912498463376 (LWP 18803)] 0x0000000000438cfc in vga_draw_line24_32 (s1=<value optimized out>, d=0x2aaabc822000 <Address 0x2aaabc822000 out of bounds>, s=0x2aaabb3eeef7 "", width=36) at /root/Linstall/kvm-85rc2/qemu/hw/vga_template.h:484 484 ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b); (gdb) bt #0 0x0000000000438cfc in vga_draw_line24_32 (s1=<value optimized out>, d=0x2aaabc822000 <Address 0x2aaabc822000 out of bounds>, s=0x2aaabb3eeef7 "", width=36) at /root/Linstall/kvm-85rc2/qemu/hw/vga_template.h:484 #1 0x0000000000437b0d in vga_update_display (opaque=<value optimized out>) at /root/Linstall/kvm-85rc2/qemu/hw/vga.c:1767 #2 0x0000000000490c45 in vnc_listen_read (opaque=0x2aaabb3eeef7) at vnc.c:2020 #3 0x00000000004093dc in main_loop_wait (timeout=<value optimized out>) at /root/Linstall/kvm-85rc2/qemu/vl.c:3818 #4 0x000000000051724a in kvm_main_loop () at /root/Linstall/kvm-85rc2/qemu/qemu-kvm.c:588 #5 0x000000000040e28a in main (argc=13, argv=0x7fff25e77658, envp=<value optimized out>) at /root/Linstall/kvm-85rc2/qemu/vl.c:3875 (gdb) c Continuing. Program terminated with signal SIGSEGV, Segmentation fault. The program no longer exists. (gdb) The program is not being run. -Alexey ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2725367&group_id=180599 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
