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[Qemu-devel] -device xen-platform crashes


From: Markus Armbruster
Subject: [Qemu-devel] -device xen-platform crashes
Date: Thu, 29 Jan 2015 16:06:52 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Reproducer: qemu -nodefaults -S -display none -device xen-platform

Yes, xen-platform makes no sense without Xen, but it shouldn't crash.

Backtrace:

#0  0x00007fffef5a677c in hypercall_buffer_cache_lock ()
   from /lib64/libxenctrl.so.4.3
#1  0x00007fffef5a68f1 in xc.hypercall_buffer_alloc_pages ()
   from /lib64/libxenctrl.so.4.3
#2  0x00007fffef5a6a61 in xc.hypercall_buffer_alloc ()
   from /lib64/libxenctrl.so.4.3
#3  0x00007fffef59da54 in xc_hvm_set_mem_type () from /lib64/libxenctrl.so.4.3
#4  0x00005555556d5bcd in platform_fixed_ioport_writeb (opaque=0x5555564713b0, 
    addr=0, val=0) at /work/armbru/qemu/hw/i386/xen/xen_platform.c:184
#5  0x00005555556d5ca4 in platform_fixed_ioport_reset (opaque=0x5555564713b0)
    at /work/armbru/qemu/hw/i386/xen/xen_platform.c:238
#6  0x00005555556d608c in platform_reset (dev=0x5555564713b0)
    at /work/armbru/qemu/hw/i386/xen/xen_platform.c:417
#7  0x00005555557e915b in device_reset (dev=0x5555564713b0)
    at /work/armbru/qemu/hw/core/qdev.c:1269
#8  0x00005555557e6a7b in qdev_reset_one (dev=0x5555564713b0, opaque=0x0)
    at /work/armbru/qemu/hw/core/qdev.c:329
#9  0x00005555557e7608 in qdev_walk_children (dev=0x5555564713b0, 
    pre_devfn=0x0, pre_busfn=0x0, post_devfn=0x5555557e6a5f <qdev_reset_one>, 
    post_busfn=0x5555557e6a82 <qbus_reset_one>, opaque=0x0)
    at /work/armbru/qemu/hw/core/qdev.c:643
#10 0x00005555557e74fb in qbus_walk_children (bus=0x5555563b1f00, 
    pre_devfn=0x0, pre_busfn=0x0, post_devfn=0x5555557e6a5f <qdev_reset_one>, 
    post_busfn=0x5555557e6a82 <qbus_reset_one>, opaque=0x0)
    at /work/armbru/qemu/hw/core/qdev.c:601
#11 0x00005555557e75cc in qdev_walk_children (dev=0x5555563d67d0, 
    pre_devfn=0x0, pre_busfn=0x0, post_devfn=0x5555557e6a5f <qdev_reset_one>, 
    post_busfn=0x5555557e6a82 <qbus_reset_one>, opaque=0x0)
    at /work/armbru/qemu/hw/core/qdev.c:635
#12 0x00005555557e74fb in qbus_walk_children (bus=0x5555563bd3c0, 
    pre_devfn=0x0, pre_busfn=0x0, post_devfn=0x5555557e6a5f <qdev_reset_one>, 
    post_busfn=0x5555557e6a82 <qbus_reset_one>, opaque=0x0)
    at /work/armbru/qemu/hw/core/qdev.c:601
#13 0x00005555557e6b57 in qbus_reset_all (bus=0x5555563bd3c0)
    at /work/armbru/qemu/hw/core/qdev.c:350
#14 0x00005555557e6b79 in qbus_reset_all_fn (opaque=0x5555563bd3c0)
    at /work/armbru/qemu/hw/core/qdev.c:356
#15 0x00005555557587b9 in qemu_devices_reset () at /work/armbru/qemu/vl.c:1614
#16 0x0000555555758845 in qemu_system_reset (report=false)
    at /work/armbru/qemu/vl.c:1627
#17 0x0000555555760739 in main (argc=7, argv=0x7fffffffe0f8, 
    envp=0x7fffffffe138) at /work/armbru/qemu/vl.c:4315

Sorry, no libxenctrl symbols installed.



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