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.
