On 2015/9/14 17:28, Paolo Bonzini wrote: > > > On 14/09/2015 10:01, Gonglei (Arei) wrote: >> [2015-09-11 13:42:44] domain is rebooting >> qemu-kvm: /home/abuild/rpmbuild/BUILD/qemu-kvm-2.3.0/exec.c:1188: >> register_subpage: Assertion `existing->mr->subpage || existing->mr == >> &io_mem_unassigned' failed. >> [2015-09-11 13:42:58]: shutting down >> >> Or >> qemu-kvm: >> /home/abuild/rpmbuild/BUILD/qemu-kvm-2.3.0/include/qemu/int128.h:22: >> int128_get64: Assertion `!a.hi' failed. > > You need to provide a backtrace. > > Paolo > Yup, I noticed that, but when I sent this email yesterday, I didn't get a backtrace :( Fortunately, I get a backtrace now:
#0 int128_get64 (a=...) at /home/qemu/include/qemu/int128.h:27 #1 0x00007f17ad7a7f1a in register_multipage (d=0x7f179c4f8480, section=0x7f17a323c3f0) at /home/qemu/exec.c:1215 #2 0x00007f17ad7a8266 in mem_add (listener=0x7f17ae043968 <address_space_io+72>, section=0x7f17a323c730) at /home/qemu/exec.c:1250 #3 0x00007f17ad7f843a in address_space_update_topology_pass (as=0x7f17ae043920 <address_space_io>, old_view=0x7f179c1f8b50, new_view=0x7f179c523620, adding=true) at /home/qemu/memory.c:739 #4 0x00007f17ad7f8520 in address_space_update_topology (as=0x7f17ae043920 <address_space_io>) at /home/qemu/memory.c:754 #5 0x00007f17ad7f8660 in memory_region_transaction_commit () at /home/qemu/memory.c:794 #6 0x00007f17ad9a690c in cirrus_update_memory_access (s=0x7f17b12873c0) at hw/display/cirrus_vga.c:2485 #7 0x00007f17ad9a4dac in cirrus_vga_write_gr (s=0x7f17b12873c0, reg_index=9, reg_value=163) at hw/display/cirrus_vga.c:1524 #8 0x00007f17ad9a6e47 in cirrus_vga_ioport_write (opaque=0x7f17b12873c0, addr=975, val=163, size=1) at hw/display/cirrus_vga.c:2672 #9 0x00007f17ad7f6882 in memory_region_write_accessor (mr=0x7f17b1297d88, addr=31, value=0x7f17a323c968, size=1, shift=8, mask=255) at /home/qemu/memory.c:430 #10 0x00007f17ad7f698b in access_with_adjusted_size (addr=30, value=0x7f17a323c968, size=2, access_size_min=1, access_size_max=1, access=0x7f17ad7f67fd <memory_region_write_accessor>, mr=0x7f17b1297d88) at /home/qemu/memory.c:467 #11 0x00007f17ad7f9311 in memory_region_dispatch_write (mr=0x7f17b1297d88, addr=30, data=41737, size=2) at /home/qemu/memory.c:1103 #12 0x00007f17ad7fc22e in io_mem_write (mr=0x7f17b1297d88, addr=30, val=41737, size=2) at /home/qemu/memory.c:2003 #13 0x00007f17ad7aafe4 in address_space_rw (as=0x7f17ae043920 <address_space_io>, addr=974, buf=0x7f17ad6f6000 "\t\243\320", len=2, is_write=true) at /home/qemu/exec.c:2533 #14 0x00007f17ad7f3acf in kvm_handle_io (port=974, data=0x7f17ad6f6000, direction=1, size=2, count=1) at /home/qemu/kvm-all.c:1707 #15 0x00007f17ad7f3fb5 in kvm_cpu_exec (cpu=0x7f17b05b7a20) at /home/qemu/kvm-all.c:1864 #16 0x00007f17ad7db416 in qemu_kvm_cpu_thread_fn (arg=0x7f17b05b7a20) at /home/qemu/cpus.c:972 #17 0x00007f17ac2cbdf5 in start_thread () from /lib64/libpthread.so.0 #18 0x00007f17a73e31ad in clone () from /lib64/libc.so.6 It seems that something wrong happened in vga memory updating. Regards, -Gonglei
