[Qemu-devel] [Bug 1062201] [NEW] qemu core dumped by kvm-spice

[Qemu-devel] [Bug 1062201] [NEW] qemu core dumped by kvm-spice

[Tom Wijmenga]

Public bug reported:

Hi there,

I am trying to use kvm-spice to start the qemu virtual machines. They
start fine with the /usr/ bin/kvm command, but when I use the kvm-spice
command the VM will not start and the core is dumped.

Command I used: 
kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d


Response:
do_spice_init: starting 0.10.1
spice_server_add_interface: SPICE_INTERFACE_MIGRATION
spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
spice_server_add_interface: SPICE_INTERFACE_MOUSE
spice_server_add_interface: SPICE_INTERFACE_QXL
red_worker_main: begin
display_channel_create: create display channel
cursor_channel_create: create cursor channel
kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
Aborted (core dumped)


I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

Kind regards, 
Tom

** Affects: qemu
     Importance: Undecided
         Status: New

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Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

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[Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[Serge Hallyn]

Hi,

I can't reproduce this on either precise or quantal with the stock
packages.

Does it crash before starting to boot windows?

Can you try installing the qemu-linaro-dbgsym package (per
https://wiki.ubuntu.com/DebuggingProgramCrash) and re-run to get a stack
trace?

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Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  New

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

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[Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[Serge Hallyn]

Sorry, that debug package would be called qemu-kvm-spice-dbgsym.

** Also affects: qemu-kvm-spice (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: qemu-kvm-spice (Ubuntu)
   Importance: Undecided => Medium

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You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/1062201

Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  New

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

To manage notifications about this bug go to:
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Re: [Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[Tom Wijmenga]

Hey Serge, thanks for your response.

Running the debug module like you asked me to, the attached text file
was generated.

About the crashing before booting Windows: I have no idea. It starts the
VM for about one or two seconds, then dumps the core and kills the VM.
I'd like to point out it kills the VM with any OS, not just Windows 7.
I've tried this with Ubuntu 12.04 (client and server), Windows XP and I
think I also tried it with Windows 2k8 R2. It just crashes the VM if I
start it this way.

The way I am using it now is by using the /usr/bin/kvm command. The way
I installed the server was by using this PPA:
https://launchpad.net/~bderzhavets/+archive/lib-usbredir81

Hope you can help,
Tom

-----Oorspronkelijk bericht-----
Van: bounces@canonical.com [mailto:bounces@canonical.com] Namens Serge Hallyn
Verzonden: vrijdag 5 oktober 2012 16:16
Aan: tomwijmenga@gmail.com
Onderwerp: [Bug 1062201] Re: qemu core dumped by kvm-spice

Sorry, that debug package would be called qemu-kvm-spice-dbgsym.

** Also affects: qemu-kvm-spice (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: qemu-kvm-spice (Ubuntu)
   Importance: Undecided => Medium

-- 
You received this bug notification because you are subscribed to the bug
report.
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Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  New

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

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** Attachment added: "gdb-qemu-kvm-spice.txt"
   https://bugs.launchpad.net/bugs/1062201/+attachment/3385078/+files/gdb-qemu-kvm-spice.txt

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Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  New

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

To manage notifications about this bug go to:
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[Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[Serge Hallyn]

@Tom,

you are running an experimental PPA containing unstable usb redirection code.
Your best bets are to (a) try with the quantal or upstream package, (b)
if you don't really need the experimental usb redirection, use the precise
packages, or (c) contact the owner of the PPA.  Qemu 1.1  (which is in that
PPA) was rather buggy compared to 1.2 (which is upstream and in quantal),
so it would seem worthwhile for the PPA owner to upload a newer version.


** Changed in: qemu-kvm-spice (Ubuntu)
       Status: New => Invalid

-- 
You received this bug notification because you are a member of qemu-
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Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  Invalid

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1062201/+subscriptions

[Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[Tom Wijmenga]

@ Serge,

Ah oke, I was not aware of the big version issues. But as Quantal is not officially released yet and only RC's are out, won't that cause issues?
All I am trying to do is get a working demo of the capabilities of the Spice protocol but many of the how-to's and PPA's are heavely out of date / support. Would you have any advice, as manyally building the protocol isn't working for me

Cheers for the quick responses.

-- 
You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/1062201

Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  Invalid

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1062201/+subscriptions

Re: [Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[Serge Hallyn]

Quoting Tom Wijmenga (tomwijmenga@gmail.com):
> @ Serge,
> 
> Ah oke, I was not aware of the big version issues. But as Quantal is not officially released yet and only RC's are out, won't that cause issues?

I'm not sure what you mean by issues - bugs reported against Q will
definately be addressed.  The qemu versions in Q are basically set
in stone.  If you need features added, then indeed that won't happen
in Q at this point.

> All I am trying to do is get a working demo of the capabilities of the
Spice protocol but many of the how-to's and PPA's are heavely out of
date / support. Would you have any advice, as manyally building the
protocol isn't working for me

What do you mean by manually building the protocol?

In Q, I've been doing:

sudo apt-get install qemu-kvm-spice
qemu-img create spice.img 10G
kvm-spice -cpu host -enable-kvm -m 1024 -M pc-1.2 -drive file=spice.img,if=virtio,cache=none -vga qxl -spice port=5900,disable-ticketing

(except also using tap bridged to eth0)

It's worked great for ubuntu quantal and fedora 18 guests.

-- 
You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/1062201

Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  Invalid

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1062201/+subscriptions

Re: [Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[Tom Wijmenga]

Oeh boy, do I like feeling like an idiot :) Thanks a lot for that easy
way to do it... the guides on forums and the spice-space.org page make
it look way more difficult than it needs to be. Big love to you man!

Regards, Tom

-----Oorspronkelijk bericht-----
Van: bounces@canonical.com [mailto:bounces@canonical.com] Namens Serge Hallyn
Verzonden: maandag 8 oktober 2012 16:22
Aan: tomwijmenga@gmail.com
Onderwerp: Re: [Bug 1062201] Re: qemu core dumped by kvm-spice

Quoting Tom Wijmenga (tomwijmenga@gmail.com):
> @ Serge,
> 
> Ah oke, I was not aware of the big version issues. But as Quantal is not officially released yet and only RC's are out, won't that cause issues?

I'm not sure what you mean by issues - bugs reported against Q will
definately be addressed.  The qemu versions in Q are basically set
in stone.  If you need features added, then indeed that won't happen
in Q at this point.

> All I am trying to do is get a working demo of the capabilities of the
Spice protocol but many of the how-to's and PPA's are heavely out of
date / support. Would you have any advice, as manyally building the
protocol isn't working for me

What do you mean by manually building the protocol?

In Q, I've been doing:

sudo apt-get install qemu-kvm-spice
qemu-img create spice.img 10G
kvm-spice -cpu host -enable-kvm -m 1024 -M pc-1.2 -drive file=spice.img,if=virtio,cache=none -vga qxl -spice port=5900,disable-ticketing

(except also using tap bridged to eth0)

It's worked great for ubuntu quantal and fedora 18 guests.

-- 
You received this bug notification because you are subscribed to the bug
report.
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Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  Invalid

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1062201/+subscriptions

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1062201

Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  New
Status in “qemu-kvm-spice” package in Ubuntu:
  Invalid

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1062201/+subscriptions

[Qemu-devel] [Bug 1062201] Re: qemu core dumped by kvm-spice

[T. Huth]

** Changed in: qemu
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1062201

Title:
  qemu core dumped by kvm-spice

Status in QEMU:
  Invalid
Status in qemu-kvm-spice package in Ubuntu:
  Invalid

Bug description:
  Hi there,

  I am trying to use kvm-spice to start the qemu virtual machines. They
  start fine with the /usr/ bin/kvm command, but when I use the kvm-
  spice command the VM will not start and the core is dumped.

  Command I used: 
  kvm-spice -cpu host -enable-kvm -name win-7 -m 3000 -drive file=/var/vmmachines/win-7.img -net nic,model=rtl8139 -net user -localtime -usb -vga qxl -global qxl-vga.vram_size=67108864 -spice port=5901,disable-ticketing -boot d

  
  Response:
  do_spice_init: starting 0.10.1
  spice_server_add_interface: SPICE_INTERFACE_MIGRATION
  spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
  spice_server_add_interface: SPICE_INTERFACE_MOUSE
  spice_server_add_interface: SPICE_INTERFACE_QXL
  red_worker_main: begin
  display_channel_create: create display channel
  cursor_channel_create: create cursor channel
  kvm-spice: /build/buildd/qemu-linaro-1.0.50-2012.03/exec.c:2641: register_subpage: Assertion `existing.mr->subpage || existing.mr == &io_mem_unassigned' failed.
  Aborted (core dumped)

  
  I am running Ubuntu 12.04 sserver for this. Any information about this issue would be appreciated, i'm stuck on this one.

  Kind regards, 
  Tom

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