CC'ing Paolo.
Wen,
thanks for the logs.
I investigated a little bit and it seems to me that the bug occurs when
QEMU tries to unmap only a portion of a memory region previously mapped.
That doesn't work with xen-mapcache.
See these logs for example:
DEBUG address_space_map phys_addr=78ed8b44 v
On 11/24/2014 04:52 PM, Fabio Fantoni wrote:
> Il 24/11/2014 02:58, Wen Congyang ha scritto:
>> When I try to use virtio on xen(HVM guest), qemu crashed. Here is the
>> backtrace:
>> (gdb) bt
>> #0 0x7f49581f0b55 in raise () from /lib64/libc.so.6
>> #1 0x7f49581f2131 in abort () from /li
Il 24/11/2014 02:58, Wen Congyang ha scritto:
When I try to use virtio on xen(HVM guest), qemu crashed. Here is the backtrace:
(gdb) bt
#0 0x7f49581f0b55 in raise () from /lib64/libc.so.6
#1 0x7f49581f2131 in abort () from /lib64/libc.so.6
#2 0x7f495af2af32 in xen_ram_addr_from_map
