When trying to start X (and it loads qxl driver) the kvm process just crashes. qemu-kvm 0.14 startup line /usr/bin/kvm -name spaceball,process=spaceball -m 1024 -kernel /boot/bzImage-2.6.37.2-guest -append "root=/dev/vda ro" -smp 1 -netdev type=tap,id=spaceball0,script=kvm-ifup-brloc,vhost=on -device virtio-net-pci,netdev=spaceball0,mac=00:16:3e:00:08:01 -drive file=/dev/volume01/G-spaceball,if=virtio -vga qxl -spice port=5957,disable-ticketing -monitor telnet:192.168.0.254:10007,server,nowait,nodelay -pidfile /var/run/kvm/spaceball.pid host is running vanilla 2.6.37.1 on amd64. Here is the bt # gdb /usr/bin/qemu-system-x86_64 GNU gdb (Gentoo 7.2 p1) 7.2 Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". For bug reporting instructions, please see: <http://bugs.gentoo.org/>... Reading symbols from /usr/bin/qemu-system-x86_64...done. (gdb) set args -name spaceball,process=spaceball -m 1024 -kernel /boot/bzImage-2.6.37.2-guest -append "root=/dev/vda ro" -smp 1 -netdev type=tap,id=spaceball0,script=kvm-ifup-brloc,vhost=on -device virtio-net-pci,netdev=spaceball0,mac=00:16:3e:00:08:01 -drive file=/dev/volume01/G-spaceball,if=virtio -vga qxl -spice port=5957,disable-ticketing -monitor telnet:192.168.0.254:10007,server,nowait,nodelay -pidfile /var/run/kvm/spaceball.pid (gdb) run Starting program: /usr/bin/qemu-system-x86_64 -name spaceball,process=spaceball -m 1024 -kernel /boot/bzImage-2.6.37.2-guest -append "root=/dev/vda ro" -smp 1 -netdev type=tap,id=spaceball0,script=kvm-ifup-brloc,vhost=on -device virtio-net-pci,netdev=spaceball0,mac=00:16:3e:00:08:01 -drive file=/dev/volume01/G-spaceball,if=virtio -vga qxl -spice port=5957,disable-ticketing -monitor telnet:192.168.0.254:10007,server,nowait,nodelay -pidfile /var/run/kvm/spaceball.pid [Thread debugging using libthread_db enabled] do_spice_init: starting 0.6.0 spice_server_add_interface: SPICE_INTERFACE_KEYBOARD spice_server_add_interface: SPICE_INTERFACE_MOUSE [New Thread 0x7ffff4802710 (LWP 30294)] spice_server_add_interface: SPICE_INTERFACE_QXL [New Thread 0x7fffaacae710 (LWP 30295)] red_worker_main: begin handle_dev_destroy_surfaces: handle_dev_destroy_surfaces: handle_dev_input: start [New Thread 0x7fffaa4ad710 (LWP 30298)] [New Thread 0x7fffa9cac710 (LWP 30299)] [New Thread 0x7fffa94ab710 (LWP 30300)] [New Thread 0x7fffa8caa710 (LWP 30301)] [New Thread 0x7fffa3fff710 (LWP 30302)] [New Thread 0x7fffa37fe710 (LWP 30303)] [New Thread 0x7fffa2ffd710 (LWP 30304)] [New Thread 0x7fffa27fc710 (LWP 30305)] [New Thread 0x7fffa1ffb710 (LWP 30306)] [New Thread 0x7fffa17fa710 (LWP 30307)] reds_handle_main_link: reds_show_new_channel: channel 1:0, connected successfully, over Non Secure link reds_main_handle_message: net test: latency 5.636000 ms, bitrate 11027768 bps (10.516899 Mbps) reds_show_new_channel: channel 2:0, connected successfully, over Non Secure link red_dispatcher_set_peer: handle_dev_input: connect handle_new_display_channel: jpeg disabled handle_new_display_channel: zlib-over-glz disabled reds_show_new_channel: channel 4:0, connected successfully, over Non Secure link red_dispatcher_set_cursor_peer: handle_dev_input: cursor connect reds_show_new_channel: channel 3:0, connected successfully, over Non Secure link inputs_link: [New Thread 0x7fffa07f8710 (LWP 30312)] [New Thread 0x7fff9fff7710 (LWP 30313)] [New Thread 0x7fff9f7f6710 (LWP 30314)] [New Thread 0x7fff9eff5710 (LWP 30315)] [New Thread 0x7fff9e7f4710 (LWP 30316)] [New Thread 0x7fff9dff3710 (LWP 30317)] [New Thread 0x7fff9d7f2710 (LWP 30318)] qemu-system-x86_64: /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1724: kvm_mutex_unlock: Assertion `!cpu_single_env' failed. Program received signal SIGABRT, Aborted. [Switching to Thread 0x7ffff4802710 (LWP 30294)] 0x00007ffff5daa165 in raise () from /lib/libc.so.6 (gdb) (gdb) (gdb) (gdb) (gdb) bt #0 0x00007ffff5daa165 in raise () from /lib/libc.so.6 #1 0x00007ffff5dab580 in abort () from /lib/libc.so.6 #2 0x00007ffff5da3201 in __assert_fail () from /lib/libc.so.6 #3 0x0000000000436f7e in kvm_mutex_unlock () at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1724 #4 qemu_mutex_unlock_iothread () at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1737 #5 0x00000000005e84ee in qxl_hard_reset (d=0x15d3080, loadvm=0) at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/hw/qxl.c:665 #6 0x00000000005e9f9a in ioport_write (opaque=0x15d3080, addr=<value optimized out>, val=0) at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/hw/qxl.c:979 #7 0x0000000000439d4e in kvm_handle_io (env=0x11a3e00) at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/kvm-all.c:818 #8 kvm_run (env=0x11a3e00) at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:617 #9 0x0000000000439f79 in kvm_cpu_exec (env=0x764b) at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1233 #10 0x000000000043b2d7 in kvm_main_loop_cpu (_env=0x11a3e00) at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1419 #11 ap_main_loop (_env=0x11a3e00) at /var/tmp/portage/app-emulation/qemu-kvm-0.14.0/work/qemu-kvm-0.14.0/qemu-kvm.c:1466 #12 0x00007ffff77bb944 in start_thread () from /lib/libpthread.so.0 #13 0x00007ffff5e491dd in clone () from /lib/libc.so.6 (gdb) -- 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
