[Qemu-devel] [Bug 948675] [NEW] QEMU is crashing when called with "-vga

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[Qemu-devel] [Bug 948675] [NEW] QEMU is crashing when called with "-vga

From:	fidencio
Subject:	[Qemu-devel] [Bug 948675] [NEW] QEMU is crashing when called with "-vga none"
Date:	Wed, 07 Mar 2012 04:22:22 -0000
Public bug reported:

QEMU is crashing when called with "-vga none". This regression was
inserted in e5ad936b0fd7dfd7fd7908be6f9f1ca88f63b96b.

QEMU line:
/home/fidencio/dev/bin/qemu-system-x86_64 -enable-kvm -m 1024 -kernel 
/home/fidencio/src/linux-2.6/arch/x86_64/boot/bzImage -append "root=nfs rw 
nfsrootdebug console=ttyS0 
ip=192.168.122.2:192.168.122.1:192.168.122.1:255.255.255.0 
nfsroot=192.168.122.1:/home/fidencio/fedora14-minimal" -device e1000,vlan=0 
-serial stdio -net tap,script=/home/fidencio/dev/etc/qemu-ifup -vga none

Backtrace:
#0  0x00005555557ac976 in is_romd (pd=2048)
    at /home/fidencio/src/qemu/exec.c:2110
#1  0x00005555557ac9e3 in is_ram_rom_romd (pd=804864)
    at /home/fidencio/src/qemu/exec.c:2115
#2  0x00005555557ad05a in cpu_register_physical_memory_log (section=
    0x7ffff2daf6f0, readable=true, readonly=false)
    at /home/fidencio/src/qemu/exec.c:2587
#3  0x00005555557e4d47 in as_memory_range_add (as=0x555555c34980, fr=
    0x7fffec002950) at /home/fidencio/src/qemu/memory.c:317
#4  0x00005555557e6b49 in address_space_update_topology_pass (as=
    0x555555c34980, old_view=..., new_view=..., adding=true)
    at /home/fidencio/src/qemu/memory.c:763
#5  0x00005555557e6c3f in address_space_update_topology (as=0x555555c34980)
    at /home/fidencio/src/qemu/memory.c:779
#6  0x00005555557e6d0c in memory_region_update_topology (mr=0x55555646d2c0)
    at /home/fidencio/src/qemu/memory.c:798
#7  0x00005555557e8e16 in memory_region_add_subregion_common (mr=
    0x55555646d2c0, offset=792576, subregion=0x5555564a6130)
    at /home/fidencio/src/qemu/memory.c:1352
#8  0x00005555557e8ede in memory_region_add_subregion_overlap (mr=
    0x55555646d2c0, offset=792576, subregion=0x5555564a6130, priority=1000)
    at /home/fidencio/src/qemu/memory.c:1372
#9  0x00005555557dfebe in vapic_map_rom_writable (s=0x5555564a3d30)
    at /home/fidencio/src/qemu/hw/kvmvapic.c:587
#10 0x00005555557dff06 in vapic_prepare (s=0x5555564a3d30)
    at /home/fidencio/src/qemu/hw/kvmvapic.c:593
#11 0x00005555557e0001 in vapic_write (opaque=0x5555564a3d30, addr=0, data=32,
    size=2) at /home/fidencio/src/qemu/hw/kvmvapic.c:632
#12 0x00005555557e4b84 in memory_region_write_accessor (opaque=0x5555564a6068,
    addr=0, value=0x7ffff2dafb00, size=2, shift=0, mask=65535)
    at /home/fidencio/src/qemu/memory.c:274
#13 0x00005555557e4c66 in access_with_adjusted_size (addr=0, value=
    0x7ffff2dafb00, size=2, access_size_min=1, access_size_max=4, access=
    0x5555557e4b0c <memory_region_write_accessor>, opaque=0x5555564a6068)
    at /home/fidencio/src/qemu/memory.c:304
#14 0x00005555557e5412 in memory_region_iorange_write (iorange=0x5555564a60b0,
    offset=0, width=2, data=32) at /home/fidencio/src/qemu/memory.c:440
#15 0x00005555557d0ab6 in ioport_writew_thunk (opaque=0x5555564a60b0, addr=
    126, data=32) at /home/fidencio/src/qemu/ioport.c:218
#16 0x00005555557d0411 in ioport_write (index=1, address=126, data=32)
    at /home/fidencio/src/qemu/ioport.c:82
#17 0x00005555557d0f3d in cpu_outw (addr=126, val=32)
    at /home/fidencio/src/qemu/ioport.c:281
#18 0x00005555557d537c in kvm_handle_io (port=126, data=0x7ffff7ff4000,
    direction=1, size=2, count=1) at /home/fidencio/src/qemu/kvm-all.c:1015
#19 0x00005555557d594a in kvm_cpu_exec (env=0x555556492f20)
    at /home/fidencio/src/qemu/kvm-all.c:1160
#20 0x00005555557a5d69 in qemu_kvm_cpu_thread_fn (arg=0x555556492f20)
    at /home/fidencio/src/qemu/cpus.c:733
#21 0x00007ffff651dd90 in start_thread (arg=0x7ffff2db0700)
    at pthread_create.c:309
#22 0x00007ffff578148d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

** Affects: qemu
     Importance: Undecided
         Status: New

** Description changed:

  QEMU is crashing when called with "-vga none". This regression was
  inserted in e5ad936b0fd7dfd7fd7908be6f9f1ca88f63b96b.
  
  QEMU line:
  /home/fidencio/dev/bin/qemu-system-x86_64 -enable-kvm -m 1024 -kernel 
/home/fidencio/src/linux-2.6/arch/x86_64/boot/bzImage -append "root=nfs rw 
nfsrootdebug console=ttyS0 
ip=192.168.122.2:192.168.122.1:192.168.122.1:255.255.255.0 
nfsroot=192.168.122.1:/home/fidencio/fedora14-minimal" -device e1000,vlan=0 
-serial stdio -net tap,script=/home/fidencio/dev/etc/qemu-ifup -vga none
  
  Backtrace:
  #0  0x00005555557ac976 in is_romd (pd=2048)
-     at /home/fidencio/src/qemu/exec.c:2110
+     at /home/fidencio/src/qemu/exec.c:2110
  #1  0x00005555557ac9e3 in is_ram_rom_romd (pd=804864)
-     at /home/fidencio/src/qemu/exec.c:2115
+     at /home/fidencio/src/qemu/exec.c:2115
  #2  0x00005555557ad05a in cpu_register_physical_memory_log (section=
-     0x7ffff2daf6f0, readable=true, readonly=false)
-     at /home/fidencio/src/qemu/exec.c:2587
+     0x7ffff2daf6f0, readable=true, readonly=false)
+     at /home/fidencio/src/qemu/exec.c:2587
  #3  0x00005555557e4d47 in as_memory_range_add (as=0x555555c34980, fr=
-     0x7fffec002950) at /home/fidencio/src/qemu/memory.c:317
+     0x7fffec002950) at /home/fidencio/src/qemu/memory.c:317
  #4  0x00005555557e6b49 in address_space_update_topology_pass (as=
-     0x555555c34980, old_view=..., new_view=..., adding=true)
-     at /home/fidencio/src/qemu/memory.c:763
+     0x555555c34980, old_view=..., new_view=..., adding=true)
+     at /home/fidencio/src/qemu/memory.c:763
  #5  0x00005555557e6c3f in address_space_update_topology (as=0x555555c34980)
-     at /home/fidencio/src/qemu/memory.c:779
+     at /home/fidencio/src/qemu/memory.c:779
  #6  0x00005555557e6d0c in memory_region_update_topology (mr=0x55555646d2c0)
-     at /home/fidencio/src/qemu/memory.c:798
+     at /home/fidencio/src/qemu/memory.c:798
  #7  0x00005555557e8e16 in memory_region_add_subregion_common (mr=
-     0x55555646d2c0, offset=792576, subregion=0x5555564a6130)
-     at /home/fidencio/src/qemu/memory.c:1352
+     0x55555646d2c0, offset=792576, subregion=0x5555564a6130)
+     at /home/fidencio/src/qemu/memory.c:1352
  #8  0x00005555557e8ede in memory_region_add_subregion_overlap (mr=
-     0x55555646d2c0, offset=792576, subregion=0x5555564a6130, priority=1000)
-     at /home/fidencio/src/qemu/memory.c:1372
+     0x55555646d2c0, offset=792576, subregion=0x5555564a6130, priority=1000)
+     at /home/fidencio/src/qemu/memory.c:1372
  #9  0x00005555557dfebe in vapic_map_rom_writable (s=0x5555564a3d30)
-     at /home/fidencio/src/qemu/hw/kvmvapic.c:587
+     at /home/fidencio/src/qemu/hw/kvmvapic.c:587
  #10 0x00005555557dff06 in vapic_prepare (s=0x5555564a3d30)
-     at /home/fidencio/src/qemu/hw/kvmvapic.c:593
- #11 0x00005555557e0001 in vapic_write (opaque=0x5555564a3d30, addr=0, 
data=32, 
-     size=2) at /home/fidencio/src/qemu/hw/kvmvapic.c:632
- #12 0x00005555557e4b84 in memory_region_write_accessor 
(opaque=0x5555564a6068, 
-     addr=0, value=0x7ffff2dafb00, size=2, shift=0, mask=65535)
-     at /home/fidencio/src/qemu/memory.c:274
+     at /home/fidencio/src/qemu/hw/kvmvapic.c:593
+ #11 0x00005555557e0001 in vapic_write (opaque=0x5555564a3d30, addr=0, data=32,
+     size=2) at /home/fidencio/src/qemu/hw/kvmvapic.c:632
+ #12 0x00005555557e4b84 in memory_region_write_accessor (opaque=0x5555564a6068,
+     addr=0, value=0x7ffff2dafb00, size=2, shift=0, mask=65535)
+     at /home/fidencio/src/qemu/memory.c:274
  #13 0x00005555557e4c66 in access_with_adjusted_size (addr=0, value=
-     0x7ffff2dafb00, size=2, access_size_min=1, access_size_max=4, access=
-     0x5555557e4b0c <memory_region_write_accessor>, opaque=0x5555564a6068)
-     at /home/fidencio/src/qemu/memory.c:304
- #14 0x00005555557e5412 in memory_region_iorange_write 
(iorange=0x5555564a60b0, 
-     offset=0, width=2, data=32) at /home/fidencio/src/qemu/memory.c:440
+     0x7ffff2dafb00, size=2, access_size_min=1, access_size_max=4, access=
+     0x5555557e4b0c <memory_region_write_accessor>, opaque=0x5555564a6068)
+     at /home/fidencio/src/qemu/memory.c:304
+ #14 0x00005555557e5412 in memory_region_iorange_write (iorange=0x5555564a60b0,
+     offset=0, width=2, data=32) at /home/fidencio/src/qemu/memory.c:440
  #15 0x00005555557d0ab6 in ioport_writew_thunk (opaque=0x5555564a60b0, addr=
-     126, data=32) at /home/fidencio/src/qemu/ioport.c:218
+     126, data=32) at /home/fidencio/src/qemu/ioport.c:218
  #16 0x00005555557d0411 in ioport_write (index=1, address=126, data=32)
-     at /home/fidencio/src/qemu/ioport.c:82
+     at /home/fidencio/src/qemu/ioport.c:82
  #17 0x00005555557d0f3d in cpu_outw (addr=126, val=32)
-     at /home/fidencio/src/qemu/ioport.c:281
- #18 0x00005555557d537c in kvm_handle_io (port=126, data=0x7ffff7ff4000, 
-     direction=1, size=2, count=1) at /home/fidencio/src/qemu/kvm-all.c:1015
+     at /home/fidencio/src/qemu/ioport.c:281
+ #18 0x00005555557d537c in kvm_handle_io (port=126, data=0x7ffff7ff4000,
+     direction=1, size=2, count=1) at /home/fidencio/src/qemu/kvm-all.c:1015
  #19 0x00005555557d594a in kvm_cpu_exec (env=0x555556492f20)
+     at /home/fidencio/src/qemu/kvm-all.c:1160
+ #20 0x00005555557a5d69 in qemu_kvm_cpu_thread_fn (arg=0x555556492f20)
+     at /home/fidencio/src/qemu/cpus.c:733
+ #21 0x00007ffff651dd90 in start_thread (arg=0x7ffff2db0700)
+     at pthread_create.c:309
+ #22 0x00007ffff578148d in clone ()
+     at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

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https://bugs.launchpad.net/bugs/948675

Title:
  QEMU is crashing when called with "-vga none"

Status in QEMU:
  New

Bug description:
  QEMU is crashing when called with "-vga none". This regression was
  inserted in e5ad936b0fd7dfd7fd7908be6f9f1ca88f63b96b.

  QEMU line:
  /home/fidencio/dev/bin/qemu-system-x86_64 -enable-kvm -m 1024 -kernel 
/home/fidencio/src/linux-2.6/arch/x86_64/boot/bzImage -append "root=nfs rw 
nfsrootdebug console=ttyS0 
ip=192.168.122.2:192.168.122.1:192.168.122.1:255.255.255.0 
nfsroot=192.168.122.1:/home/fidencio/fedora14-minimal" -device e1000,vlan=0 
-serial stdio -net tap,script=/home/fidencio/dev/etc/qemu-ifup -vga none

  Backtrace:
  #0  0x00005555557ac976 in is_romd (pd=2048)
      at /home/fidencio/src/qemu/exec.c:2110
  #1  0x00005555557ac9e3 in is_ram_rom_romd (pd=804864)
      at /home/fidencio/src/qemu/exec.c:2115
  #2  0x00005555557ad05a in cpu_register_physical_memory_log (section=
      0x7ffff2daf6f0, readable=true, readonly=false)
      at /home/fidencio/src/qemu/exec.c:2587
  #3  0x00005555557e4d47 in as_memory_range_add (as=0x555555c34980, fr=
      0x7fffec002950) at /home/fidencio/src/qemu/memory.c:317
  #4  0x00005555557e6b49 in address_space_update_topology_pass (as=
      0x555555c34980, old_view=..., new_view=..., adding=true)
      at /home/fidencio/src/qemu/memory.c:763
  #5  0x00005555557e6c3f in address_space_update_topology (as=0x555555c34980)
      at /home/fidencio/src/qemu/memory.c:779
  #6  0x00005555557e6d0c in memory_region_update_topology (mr=0x55555646d2c0)
      at /home/fidencio/src/qemu/memory.c:798
  #7  0x00005555557e8e16 in memory_region_add_subregion_common (mr=
      0x55555646d2c0, offset=792576, subregion=0x5555564a6130)
      at /home/fidencio/src/qemu/memory.c:1352
  #8  0x00005555557e8ede in memory_region_add_subregion_overlap (mr=
      0x55555646d2c0, offset=792576, subregion=0x5555564a6130, priority=1000)
      at /home/fidencio/src/qemu/memory.c:1372
  #9  0x00005555557dfebe in vapic_map_rom_writable (s=0x5555564a3d30)
      at /home/fidencio/src/qemu/hw/kvmvapic.c:587
  #10 0x00005555557dff06 in vapic_prepare (s=0x5555564a3d30)
      at /home/fidencio/src/qemu/hw/kvmvapic.c:593
  #11 0x00005555557e0001 in vapic_write (opaque=0x5555564a3d30, addr=0, data=32,
      size=2) at /home/fidencio/src/qemu/hw/kvmvapic.c:632
  #12 0x00005555557e4b84 in memory_region_write_accessor (opaque=0x5555564a6068,
      addr=0, value=0x7ffff2dafb00, size=2, shift=0, mask=65535)
      at /home/fidencio/src/qemu/memory.c:274
  #13 0x00005555557e4c66 in access_with_adjusted_size (addr=0, value=
      0x7ffff2dafb00, size=2, access_size_min=1, access_size_max=4, access=
      0x5555557e4b0c <memory_region_write_accessor>, opaque=0x5555564a6068)
      at /home/fidencio/src/qemu/memory.c:304
  #14 0x00005555557e5412 in memory_region_iorange_write (iorange=0x5555564a60b0,
      offset=0, width=2, data=32) at /home/fidencio/src/qemu/memory.c:440
  #15 0x00005555557d0ab6 in ioport_writew_thunk (opaque=0x5555564a60b0, addr=
      126, data=32) at /home/fidencio/src/qemu/ioport.c:218
  #16 0x00005555557d0411 in ioport_write (index=1, address=126, data=32)
      at /home/fidencio/src/qemu/ioport.c:82
  #17 0x00005555557d0f3d in cpu_outw (addr=126, val=32)
      at /home/fidencio/src/qemu/ioport.c:281
  #18 0x00005555557d537c in kvm_handle_io (port=126, data=0x7ffff7ff4000,
      direction=1, size=2, count=1) at /home/fidencio/src/qemu/kvm-all.c:1015
  #19 0x00005555557d594a in kvm_cpu_exec (env=0x555556492f20)
      at /home/fidencio/src/qemu/kvm-all.c:1160
  #20 0x00005555557a5d69 in qemu_kvm_cpu_thread_fn (arg=0x555556492f20)
      at /home/fidencio/src/qemu/cpus.c:733
  #21 0x00007ffff651dd90 in start_thread (arg=0x7ffff2db0700)
      at pthread_create.c:309
  #22 0x00007ffff578148d in clone ()
      at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

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