Re: [Qemu-devel] qemu 2.2 crash on linux hvm domU (full backtrace included)

[Don Slutz <dslutz@xxxxxxxxxxx>]

On 11/19/14 13:18, Stefano Stabellini wrote:
> On Wed, 19 Nov 2014, Don Slutz wrote:
> > I have posted the patch:
> >
> > Subject: [BUGFIX][PATCH for 2.2 1/1] hw/i386/pc_piix.c: Also pass vmport=off
> > for xenfv machine
> > Date: Wed, 19 Nov 2014 12:30:57 -0500
> > Message-ID: <1416418257-10166-1-git-send-email-dslutz@xxxxxxxxxxx>
> >
> >
> > Which fixes QEMU 2.2 for xenfv.  However if you configure xen_platform_pci=0
> > you will still
> > have this issue.  The good news is that xen-4.5 currently does not have QEMU
> > 2.2 and so does
> > not have this issue.
> >
> > Only people (groups like spice?) that want QEMU 2.2.0 with xen 4.5.0 (or older
> > xen versions)
> > will hit this.
> >
> > I have changes to xen 4.6 which will fix the xen_platform_pci=0 case also.
> >
> > In order to get xen 4.5 to fully work with QEMU 2.2.0 (both in hard freeze)
> >
> > the 1st patch from "Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx>"
> > would need to be applied to xen's qemu 2.0.2 (+ changes) so that
> > vmport=off can be added to --machine.
> >
> > And a patch (yet to be written, subset of changes I have pending for 4.6)
> > that adds vmport=off to QEMU args for --machine (it can be done in all cases).
> What happens if you pass vmport=off via --machine, without David Alan
> Gilbert's patch in QEMU?

I am almost (99%) sure that QEMU will complain about a bad arg.

gdb says:

(gdb) r
Starting program: 
/home/don/qemu/out/master/x86_64-softmmu/qemu-system-x86_64 -M pc 
-machine accel=xen,vmportport=1
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
qemu-system-x86_64: -machine accel=xen,vmportport=1: Invalid parameter 
'vmportport'


In which case domU will fail to start.
   -Don Slutz

> >      -Don Slutz
> >
> >
> >
> > On 11/19/14 10:52, Stefano Stabellini wrote:
> > > On Wed, 19 Nov 2014, Fabio Fantoni wrote:
> > > > Il 19/11/2014 15:56, Don Slutz ha scritto:
> > > > > I think I know what is happening here.  But you are pointing at the
> > > > > wrong
> > > > > change.
> > > > >
> > > > > commit 9b23cfb76b3a5e9eb5cc899eaf2f46bc46d33ba4
> > > > >
> > > > > Is what I am guessing at this time is the issue.  I think that
> > > > > xen_enabled()
> > > > > is
> > > > > returning false in pc_machine_initfn.  Where as in pc_init1 is is
> > > > > returning
> > > > > true.
> > > > >
> > > > > I am thinking that:
> > > > >
> > > > >
> > > > > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> > > > > index 7bb97a4..3268c29 100644
> > > > > --- a/hw/i386/pc_piix.c
> > > > > +++ b/hw/i386/pc_piix.c
> > > > > @@ -914,7 +914,7 @@ static QEMUMachine xenfv_machine = {
> > > > >        .desc = "Xen Fully-virtualized PC",
> > > > >        .init = pc_xen_hvm_init,
> > > > >        .max_cpus = HVM_MAX_VCPUS,
> > > > > -    .default_machine_opts = "accel=xen",
> > > > > +    .default_machine_opts = "accel=xen,vmport=off",
> > > > >        .hot_add_cpu = pc_hot_add_cpu,
> > > > >    };
> > > > >    #endif
> > > > >
> > > > > Will fix your issue. I have not tested this yet.
> > > > Tested now and it solves regression of linux hvm domUs with qemu 2.2,
> > > > thanks.
> > > > I think that I'm not the only with this regression and that this patch (or
> > > > a
> > > > fix to the cause in vmport) should be applied before qemu 2.2 final.
> > > Don,
> > > please submit a proper patch with a Signed-off-by.
> > >
> > > Thanks!
> > >
> > > - Stefano
> > >
> > > > >       -Don Slutz
> > > > >
> > > > >
> > > > > On 11/19/14 09:04, Fabio Fantoni wrote:
> > > > > > Il 14/11/2014 12:25, Fabio Fantoni ha scritto:
> > > > > > > dom0 xen-unstable from staging git with "x86/hvm: Extend HVM cpuid
> > > > > > > leaf
> > > > > > > with vcpu id" and "x86/hvm: Add per-vcpu evtchn upcalls" patches,
> > > > > > > and
> > > > > > > qemu 2.2 from spice git (spice/next commit
> > > > > > > e779fa0a715530311e6f59fc8adb0f6eca914a89):
> > > > > > > https://github.com/Fantu/Xen/commits/rebase/m2r-staging
> > > > > > I tried with qemu  tag v2.2.0-rc2 and crash still happen, here the
> > > > > > full
> > > > > > backtrace of latest test:
> > > > > > > Program received signal SIGSEGV, Segmentation fault.
> > > > > > > 0x0000555555689b07 in vmport_ioport_read (opaque=0x5555564443a0,
> > > > > > > addr=0,
> > > > > > >       size=4) at
> > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/hw/misc/vmport.c:73
> > > > > > > 73          eax = env->regs[R_EAX];
> > > > > > > (gdb) bt full
> > > > > > > #0  0x0000555555689b07 in vmport_ioport_read (opaque=0x5555564443a0,
> > > > > > > addr=0,
> > > > > > >       size=4) at
> > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/hw/misc/vmport.c:73
> > > > > > >           s = 0x5555564443a0
> > > > > > >           cs = 0x0
> > > > > > >           cpu = 0x0
> > > > > > >           __func__ = "vmport_ioport_read"
> > > > > > >           env = 0x8250
> > > > > > >           command = 0 '\000'
> > > > > > >           eax = 0
> > > > > > > #1  0x0000555555655fc4 in memory_region_read_accessor
> > > > > > > (mr=0x555556444428,
> > > > > > >       addr=0, value=0x7fffffffd8d0, size=4, shift=0, mask=4294967295)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:410
> > > > > > >           tmp = 0
> > > > > > > #2  0x00005555556562b7 in access_with_adjusted_size (addr=0,
> > > > > > >       value=0x7fffffffd8d0, size=4, access_size_min=4,
> > > > > > > access_size_max=4,
> > > > > > >       access=0x555555655f62 <memory_region_read_accessor>,
> > > > > > > mr=0x555556444428)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:480
> > > > > > >           access_mask = 4294967295
> > > > > > >           access_size = 4
> > > > > > >           i = 0
> > > > > > > #3  0x00005555556590e9 in memory_region_dispatch_read1
> > > > > > > (mr=0x555556444428,
> > > > > > >       addr=0, size=4) at
> > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:1077
> > > > > > >           data = 0
> > > > > > > #4  0x00005555556591b1 in memory_region_dispatch_read
> > > > > > > (mr=0x555556444428,
> > > > > > >       addr=0, pval=0x7fffffffd9a8, size=4)
> > > > > > > ---Type <return> to continue, or q <return> to quit---
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:1099
> > > > > > > No locals.
> > > > > > > #5  0x000055555565cbbc in io_mem_read (mr=0x555556444428, addr=0,
> > > > > > >       pval=0x7fffffffd9a8, size=4)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:1962
> > > > > > > No locals.
> > > > > > > #6  0x000055555560a1ca in address_space_rw (as=0x555555eaf920,
> > > > > > > addr=22104,
> > > > > > >       buf=0x7fffffffda50 "\377\377\377\377", len=4, is_write=false)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/exec.c:2167
> > > > > > >           l = 4
> > > > > > >           ptr = 0x555555a92d87 "%s/%d:\n"
> > > > > > >           val = 7852232130387826944
> > > > > > >           addr1 = 0
> > > > > > >           mr = 0x555556444428
> > > > > > >           error = false
> > > > > > > #7  0x000055555560a38f in address_space_read (as=0x555555eaf920,
> > > > > > > addr=22104,
> > > > > > >       buf=0x7fffffffda50 "\377\377\377\377", len=4)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/exec.c:2205
> > > > > > > No locals.
> > > > > > > #8  0x000055555564fd4b in cpu_inl (addr=22104)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/ioport.c:117
> > > > > > >           buf = "\377\377\377\377"
> > > > > > >           val = 21845
> > > > > > > #9  0x0000555555670c73 in do_inp (addr=22104, size=4)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:684
> > > > > > > ---Type <return> to continue, or q <return> to quit---
> > > > > > > No locals.
> > > > > > > #10 0x0000555555670ee0 in cpu_ioreq_pio (req=0x7ffff7ff3020)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:747
> > > > > > >           i = 1
> > > > > > > #11 0x00005555556714b3 in handle_ioreq (state=0x5555563c2510,
> > > > > > >       req=0x7ffff7ff3020) at
> > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:853
> > > > > > > No locals.
> > > > > > > #12 0x0000555555671826 in cpu_handle_ioreq (opaque=0x5555563c2510)
> > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:931
> > > > > > >           state = 0x5555563c2510
> > > > > > >           req = 0x7ffff7ff3020
> > > > > > > #13 0x000055555596e240 in qemu_iohandler_poll
> > > > > > > (pollfds=0x555556389a30,
> > > > > > > ret=1)
> > > > > > >       at iohandler.c:143
> > > > > > >           revents = 1
> > > > > > >           pioh = 0x5555563f7610
> > > > > > >           ioh = 0x555556450a40
> > > > > > > #14 0x000055555596de1c in main_loop_wait (nonblocking=0) at
> > > > > > > main-loop.c:495
> > > > > > >           ret = 1
> > > > > > >           timeout = 4294967295
> > > > > > >           timeout_ns = 3965432
> > > > > > > #15 0x0000555555756d3f in main_loop () at vl.c:1882
> > > > > > >           nonblocking = false
> > > > > > >           last_io = 0
> > > > > > > #16 0x000055555575ea49 in main (argc=62, argv=0x7fffffffe048,
> > > > > > >       envp=0x7fffffffe240) at vl.c:4400
> > > > > > > ---Type <return> to continue, or q <return> to quit---
> > > > > > >           i = 128
> > > > > > >           snapshot = 0
> > > > > > >           linux_boot = 0
> > > > > > >           initrd_filename = 0x0
> > > > > > >           kernel_filename = 0x0
> > > > > > >           kernel_cmdline = 0x555555a48f86 ""
> > > > > > >           boot_order = 0x555556387460 "dc"
> > > > > > >           ds = 0x5555564b2040
> > > > > > >           cyls = 0
> > > > > > >           heads = 0
> > > > > > >           secs = 0
> > > > > > >           translation = 0
> > > > > > >           hda_opts = 0x0
> > > > > > >           opts = 0x5555563873b0
> > > > > > >           machine_opts = 0x555556389010
> > > > > > >           icount_opts = 0x0
> > > > > > >           olist = 0x555555e57e80
> > > > > > >           optind = 62
> > > > > > >           optarg = 0x7fffffffe914
> > > > > > > "file=/mnt/vm/disks/FEDORA19.disk1.xm,if=ide,index=0,media=disk,format=raw,cache=writeback"
> > > > > > >           loadvm = 0x0
> > > > > > >           machine_class = 0x55555637d5c0
> > > > > > >           cpu_model = 0x0
> > > > > > >           vga_model = 0x0
> > > > > > >           qtest_chrdev = 0x0
> > > > > > > ---Type <return> to continue, or q <return> to quit---
> > > > > > >           qtest_log = 0x0
> > > > > > >           pid_file = 0x0
> > > > > > >           incoming = 0x0
> > > > > > >           show_vnc_port = 0
> > > > > > >           defconfig = true
> > > > > > >           userconfig = true
> > > > > > >           log_mask = 0x0
> > > > > > >           log_file = 0x0
> > > > > > >           mem_trace = {malloc = 0x55555575a402 <malloc_and_trace>,
> > > > > > >             realloc = 0x55555575a45a <realloc_and_trace>,
> > > > > > >             free = 0x55555575a4c1 <free_and_trace>, calloc = 0,
> > > > > > > try_malloc
> > > > > > > = 0,
> > > > > > >             try_realloc = 0}
> > > > > > >           trace_events = 0x0
> > > > > > >           trace_file = 0x0
> > > > > > >           default_ram_size = 134217728
> > > > > > >           maxram_size = 2130706432
> > > > > > >           ram_slots = 0
> > > > > > >           vmstate_dump_file = 0x0
> > > > > > >           main_loop_err = 0x0
> > > > > > >           __func__ = "main"
> > > > > > I take a fast look in source based on calltrace and I saw this commit:
> > > > > > http://secure-web.cisco.com/1EXVvN4KugVmCtI8RnLSX68LVqyly3ymtr7bhU7HDX8viw0fYlCBA54KE1K_VbwvaJhMDSmpeNsTiBHicuNWfTtG_XH9DP4c-7oqEb6kCcWzXKnCcQNOb9ikh4FRIBDr9R069aR0R5fdiB9q4iQSFDc4X0ttOQHu8h69rpG-X2bI/http%3A%2F%2Fgit.qemu.org%2F%3Fp%3Dqemu.git%3Ba%3Dcommit%3Bh%3D37f9e258b64b3cf97c7c78df60660100c9eb5a21
> > > > > > xen-hvm.c: Add support for Xen access to vmport
> > > > > > Can be the cause of regression and I must try another test reverting
> > > > > > this
> > > > > > commit or is not related?
> > > > > >
> > > > > > Thanks for any reply anddo sorry for my bad english.
> > > > > >
> > > > > > > Qemu crash on fedora 20 lxde (with software updates of some days
> > > > > > > ago)
> > > > > > > boot with this backtrace:
> > > > > > > > Program received signal SIGSEGV, Segmentation fault.
> > > > > > > > 0x0000555555689607 in vmport_ioport_read (opaque=0x555556440a20,
> > > > > > > > addr=0, size=4) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/hw/misc/vmport.c:73
> > > > > > > > 73          eax = env->regs[R_EAX];
> > > > > > > > (gdb) bt full
> > > > > > > > #0  0x0000555555689607 in vmport_ioport_read
> > > > > > > > (opaque=0x555556440a20,
> > > > > > > > addr=0, size=4) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/hw/misc/vmport.c:73
> > > > > > > >           s = 0x555556440a20
> > > > > > > >           cs = 0x0
> > > > > > > >           cpu = 0x0
> > > > > > > >           __func__ = "vmport_ioport_read"
> > > > > > > >           env = 0x8250
> > > > > > > >           command = 0 '\000'
> > > > > > > >           eax = 0
> > > > > > > > #1  0x0000555555655b9c in memory_region_read_accessor
> > > > > > > > (mr=0x555556440aa8, addr=0, value=0x7fffffffd8c0, size=4, shift=0,
> > > > > > > > mask=4294967295)
> > > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:410
> > > > > > > >           tmp = 0
> > > > > > > > #2  0x0000555555655e8f in access_with_adjusted_size (addr=0,
> > > > > > > > value=0x7fffffffd8c0, size=4, access_size_min=4,
> > > > > > > > access_size_max=4,
> > > > > > > >       access=0x555555655b3a <memory_region_read_accessor>,
> > > > > > > > mr=0x555556440aa8) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:480
> > > > > > > >           access_mask = 4294967295
> > > > > > > >           access_size = 4
> > > > > > > >           i = 0
> > > > > > > > #3  0x0000555555658cc1 in memory_region_dispatch_read1
> > > > > > > > (mr=0x555556440aa8, addr=0, size=4) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:1077
> > > > > > > >           data = 0
> > > > > > > > #4  0x0000555555658d89 in memory_region_dispatch_read
> > > > > > > > (mr=0x555556440aa8, addr=0, pval=0x7fffffffd998, size=4) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:1099
> > > > > > > > No locals.
> > > > > > > > #5  0x000055555565c794 in io_mem_read (mr=0x555556440aa8, addr=0,
> > > > > > > > pval=0x7fffffffd998, size=4) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/memory.c:1962
> > > > > > > > No locals.
> > > > > > > > #6  0x0000555555609fae in address_space_rw (as=0x555555eae840,
> > > > > > > > addr=22104, buf=0x7fffffffda40 "\377\377\377\377", len=4,
> > > > > > > > is_write=false)
> > > > > > > >       at /mnt/vm/xen/Xen/tools/qemu-xen-dir/exec.c:2169
> > > > > > > >           l = 4
> > > > > > > >           ptr = 0x0
> > > > > > > >           val = 7964229952888770560
> > > > > > > >           addr1 = 0
> > > > > > > >           mr = 0x555556440aa8
> > > > > > > >           error = false
> > > > > > > > #7  0x000055555560a173 in address_space_read (as=0x555555eae840,
> > > > > > > > addr=22104, buf=0x7fffffffda40 "\377\377\377\377", len=4) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/exec.c:2207
> > > > > > > > No locals.
> > > > > > > > #8  0x000055555564fac7 in cpu_inl (addr=22104) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/ioport.c:117
> > > > > > > >           buf = "\377\377\377\377"
> > > > > > > >           val = 21845
> > > > > > > > #9  0x000055555567084b in do_inp (addr=22104, size=4) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:684
> > > > > > > > No locals.
> > > > > > > > #10 0x0000555555670ab8 in cpu_ioreq_pio (req=0x7ffff7ff3000) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:747
> > > > > > > >           i = 0
> > > > > > > > #11 0x000055555567108b in handle_ioreq (state=0x5555563c1590,
> > > > > > > > req=0x7ffff7ff3000) at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:853
> > > > > > > > ---Type <return> to continue, or q <return> to quit---
> > > > > > > > No locals.
> > > > > > > > #12 0x00005555556713fe in cpu_handle_ioreq (opaque=0x5555563c1590)
> > > > > > > > at
> > > > > > > > /mnt/vm/xen/Xen/tools/qemu-xen-dir/xen-hvm.c:931
> > > > > > > >           state = 0x5555563c1590
> > > > > > > >           req = 0x7ffff7ff3000
> > > > > > > > #13 0x000055555596d874 in qemu_iohandler_poll
> > > > > > > > (pollfds=0x555556388a30,
> > > > > > > > ret=1) at iohandler.c:143
> > > > > > > >           revents = 1
> > > > > > > >           pioh = 0x5555563f3c90
> > > > > > > >           ioh = 0x555556515f80
> > > > > > > > #14 0x000055555596d450 in main_loop_wait (nonblocking=0) at
> > > > > > > > main-loop.c:495
> > > > > > > >           ret = 1
> > > > > > > >           timeout = 4294967295
> > > > > > > >           timeout_ns = 3418165
> > > > > > > > #15 0x00005555557567b7 in main_loop () at vl.c:1882
> > > > > > > >           nonblocking = false
> > > > > > > >           last_io = 1
> > > > > > > > #16 0x000055555575e4c1 in main (argc=62, argv=0x7fffffffe038,
> > > > > > > > envp=0x7fffffffe230) at vl.c:4400
> > > > > > > >           i = 128
> > > > > > > >           snapshot = 0
> > > > > > > >           linux_boot = 0
> > > > > > > >           initrd_filename = 0x0
> > > > > > > >           kernel_filename = 0x0
> > > > > > > >           kernel_cmdline = 0x555555a485c6 ""
> > > > > > > >           boot_order = 0x5555563864e0 "dc"
> > > > > > > >           ds = 0x5555564c71b0
> > > > > > > >           cyls = 0
> > > > > > > >           heads = 0
> > > > > > > >           secs = 0
> > > > > > > >           translation = 0
> > > > > > > >           hda_opts = 0x0
> > > > > > > >           opts = 0x555556386430
> > > > > > > >           machine_opts = 0x555556388090
> > > > > > > >           icount_opts = 0x0
> > > > > > > >           olist = 0x555555e56da0
> > > > > > > >           optind = 62
> > > > > > > >           optarg = 0x7fffffffe914
> > > > > > > > "file=/mnt/vm/disks/FEDORA19.disk1.xm,if=ide,index=0,media=disk,format=raw,cache=writeback"
> > > > > > > >           loadvm = 0x0
> > > > > > > >           machine_class = 0x55555637c5c0
> > > > > > > >           cpu_model = 0x0
> > > > > > > >           vga_model = 0x0
> > > > > > > >           qtest_chrdev = 0x0
> > > > > > > > ---Type <return> to continue, or q <return> to quit---
> > > > > > > >           qtest_log = 0x0
> > > > > > > >           pid_file = 0x0
> > > > > > > >           incoming = 0x0
> > > > > > > >           show_vnc_port = 0
> > > > > > > >           defconfig = true
> > > > > > > >           userconfig = true
> > > > > > > >           log_mask = 0x0
> > > > > > > >           log_file = 0x0
> > > > > > > >           mem_trace = {malloc = 0x555555759e7a <malloc_and_trace>,
> > > > > > > > realloc = 0x555555759ed2 <realloc_and_trace>, free =
> > > > > > > > 0x555555759f39
> > > > > > > > <free_and_trace>, calloc = 0,
> > > > > > > >             try_malloc = 0, try_realloc = 0}
> > > > > > > >           trace_events = 0x0
> > > > > > > >           trace_file = 0x0
> > > > > > > >           default_ram_size = 134217728
> > > > > > > >           maxram_size = 2013265920
> > > > > > > >           ram_slots = 0
> > > > > > > >           vmstate_dump_file = 0x0
> > > > > > > >           main_loop_err = 0x0
> > > > > > > >           __func__ = "main"
> > > > > > > > xl -vvv create /etc/xen/FEDORA19.cfg
> > > > > > > > Parsing config from /etc/xen/FEDORA19.cfg
> > > > > > > > libxl: debug: libxl_create.c:1529:do_domain_create: ao 0xac2660:
> > > > > > > > create: how=(nil) callback=(nil) poller=0xac2af0
> > > > > > > > libxl: debug: libxl_device.c:269:libxl__device_disk_set_backend:
> > > > > > > > Disk
> > > > > > > > vdev=hda spec.backend=unknown
> > > > > > > > libxl: debug: libxl_device.c:215:disk_try_backend: Disk vdev=hda,
> > > > > > > > backend phy unsuitable as phys path not a block device
> > > > > > > > libxl: debug: libxl_device.c:298:libxl__device_disk_set_backend:
> > > > > > > > Disk
> > > > > > > > vdev=hda, using backend qdisk
> > > > > > > > libxl: debug: libxl_create.c:935:initiate_domain_create: running
> > > > > > > > bootloader
> > > > > > > > libxl: debug: libxl_bootloader.c:323:libxl__bootloader_run: not a
> > > > > > > > PV
> > > > > > > > domain, skipping bootloader
> > > > > > > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac32f8: deregister unregistered
> > > > > > > > xc: detail: elf_parse_binary: phdr: paddr=0x100000 memsz=0x26b324
> > > > > > > > xc: detail: elf_parse_binary: memory: 0x100000 -> 0x36b324
> > > > > > > > xc: detail: VIRTUAL MEMORY ARRANGEMENT:
> > > > > > > > xc: detail:   Loader: 0000000000100000->000000000036b324
> > > > > > > > xc: detail:   Modules: 0000000000000000->0000000000000000
> > > > > > > > xc: detail:   TOTAL: 0000000000000000->0000000078000000
> > > > > > > > xc: detail:   ENTRY:    0000000000100000
> > > > > > > > xc: detail: PHYSICAL MEMORY ALLOCATION:
> > > > > > > > xc: detail:   4KB PAGES: 0x0000000000000200
> > > > > > > > xc: detail:   2MB PAGES: 0x00000000000003bf
> > > > > > > > xc: detail:   1GB PAGES: 0x0000000000000000
> > > > > > > > xc: detail: elf_load_binary: phdr 0 at 0x7f1f9729f000 ->
> > > > > > > > 0x7f1f975012b0
> > > > > > > > libxl: debug: libxl_device.c:269:libxl__device_disk_set_backend:
> > > > > > > > Disk
> > > > > > > > vdev=hda spec.backend=qdisk
> > > > > > > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac4ad0: deregister unregistered
> > > > > > > > libxl: debug: libxl_dm.c:1415:libxl__spawn_local_dm: Spawning
> > > > > > > > device-model /usr/lib/xen/bin/qemu-gdb with arguments:
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > /usr/lib/xen/bin/qemu-gdb
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -xen-domid
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   9
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -chardev
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-9,server,nowait
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   -mon
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > chardev=libxl-cmd,mode=control
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -nodefaults
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   -name
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: FEDORA
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   -k
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   it
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -spice
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > port=6005,tls-port=0,addr=0.0.0.0,disable-ticketing,agent-mouse=on,disable-copy-paste
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: virtio-serial
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -chardev
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > spicevmc,id=vdagent,name=vdagent
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > virtserialport,chardev=vdagent,name=com.redhat.spice.0
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > qxl-vga,vram_size_mb=64,ram_size_mb=64
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   -boot
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: order=dc
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > ich9-usb-ehci1,id=usb,addr=0x1d.0x7,multifunction=on
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > ich9-usb-uhci1,masterbus=usb.0,firstport=0,addr=0x1d.0,multifunction=on
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > ich9-usb-uhci2,masterbus=usb.0,firstport=2,addr=0x1d.0x1,multifunction=on
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > ich9-usb-uhci3,masterbus=usb.0,firstport=4,addr=0x1d.0x2,multifunction=on
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -chardev
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > spicevmc,name=usbredir,id=usbrc1
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > usb-redir,chardev=usbrc1,id=usbrc1
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -chardev
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > spicevmc,name=usbredir,id=usbrc2
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > usb-redir,chardev=usbrc2,id=usbrc2
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -chardev
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > spicevmc,name=usbredir,id=usbrc3
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > usb-redir,chardev=usbrc3,id=usbrc3
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -chardev
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > spicevmc,name=usbredir,id=usbrc4
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > usb-redir,chardev=usbrc4,id=usbrc4
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -soundhw
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   hda
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   -smp
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: 2,maxcpus=2
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -device
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > rtl8139,id=nic0,netdev=net0,mac=00:16:3e:18:e1:35
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -netdev
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > type=tap,id=net0,ifname=vif9.0-emu,script=no,downscript=no
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -machine
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   xenfv
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   -m
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:   1920
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm: -drive
> > > > > > > > libxl: debug: libxl_dm.c:1417:libxl__spawn_local_dm:
> > > > > > > > file=/mnt/vm/disks/FEDORA19.disk1.xm,if=ide,index=0,media=disk,format=raw,cache=writeback
> > > > > > > > libxl: debug: libxl_event.c:570:libxl__ev_xswatch_register: watch
> > > > > > > > w=0xac3558 wpath=/local/domain/0/device-model/9/state token=3/0:
> > > > > > > > register slotnum=3
> > > > > > > > libxl: debug: libxl_create.c:1545:do_domain_create: ao 0xac2660:
> > > > > > > > inprogress: poller=0xac2af0, flags=i
> > > > > > > > libxl: debug: libxl_event.c:514:watchfd_callback: watch w=0xac3558
> > > > > > > > wpath=/local/domain/0/device-model/9/state token=3/0: event
> > > > > > > > epath=/local/domain/0/device-model/9/state
> > > > > > > > libxl: debug: libxl_event.c:514:watchfd_callback: watch w=0xac3558
> > > > > > > > wpath=/local/domain/0/device-model/9/state token=3/0: event
> > > > > > > > epath=/local/domain/0/device-model/9/state
> > > > > > > > libxl: debug: libxl_event.c:606:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac3558 wpath=/local/domain/0/device-model/9/state token=3/0:
> > > > > > > > deregister slotnum=3
> > > > > > > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac3558: deregister unregistered
> > > > > > > > libxl: debug: libxl_qmp.c:691:libxl__qmp_initialize: connected to
> > > > > > > > /var/run/xen/qmp-libxl-9
> > > > > > > > libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type:
> > > > > > > > qmp
> > > > > > > > libxl: debug: libxl_qmp.c:541:qmp_send_prepare: next qmp command:
> > > > > > > > '{
> > > > > > > >       "execute": "qmp_capabilities",
> > > > > > > >       "id": 1
> > > > > > > > }
> > > > > > > > '
> > > > > > > > libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type:
> > > > > > > > return
> > > > > > > > libxl: debug: libxl_qmp.c:541:qmp_send_prepare: next qmp command:
> > > > > > > > '{
> > > > > > > >       "execute": "query-chardev",
> > > > > > > >       "id": 2
> > > > > > > > }
> > > > > > > > '
> > > > > > > > libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type:
> > > > > > > > return
> > > > > > > > libxl: debug: libxl_qmp.c:541:qmp_send_prepare: next qmp command:
> > > > > > > > '{
> > > > > > > >       "execute": "query-vnc",
> > > > > > > >       "id": 3
> > > > > > > > }
> > > > > > > > '
> > > > > > > > libxl: debug: libxl_qmp.c:296:qmp_handle_response: message type:
> > > > > > > > return
> > > > > > > > libxl: debug: libxl_event.c:570:libxl__ev_xswatch_register: watch
> > > > > > > > w=0xac8368 wpath=/local/domain/0/backend/vif/9/0/state token=3/1:
> > > > > > > > register slotnum=3
> > > > > > > > libxl: debug: libxl_event.c:514:watchfd_callback: watch w=0xac8368
> > > > > > > > wpath=/local/domain/0/backend/vif/9/0/state token=3/1: event
> > > > > > > > epath=/local/domain/0/backend/vif/9/0/state
> > > > > > > > libxl: debug: libxl_event.c:810:devstate_watch_callback: backend
> > > > > > > > /local/domain/0/backend/vif/9/0/state wanted state 2 still waiting
> > > > > > > > state 1
> > > > > > > > libxl: debug: libxl_event.c:514:watchfd_callback: watch w=0xac8368
> > > > > > > > wpath=/local/domain/0/backend/vif/9/0/state token=3/1: event
> > > > > > > > epath=/local/domain/0/backend/vif/9/0/state
> > > > > > > > libxl: debug: libxl_event.c:806:devstate_watch_callback: backend
> > > > > > > > /local/domain/0/backend/vif/9/0/state wanted state 2 ok
> > > > > > > > libxl: debug: libxl_event.c:606:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac8368 wpath=/local/domain/0/backend/vif/9/0/state token=3/1:
> > > > > > > > deregister slotnum=3
> > > > > > > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac8368: deregister unregistered
> > > > > > > > libxl: debug: libxl_device.c:1028:device_hotplug: calling hotplug
> > > > > > > > script: /etc/xen/scripts/vif-bridge online
> > > > > > > > libxl: debug: libxl_aoutils.c:513:libxl__async_exec_start: forking
> > > > > > > > to
> > > > > > > > execute: /etc/xen/scripts/vif-bridge online
> > > > > > > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac83f0: deregister unregistered
> > > > > > > > libxl: debug: libxl_device.c:1028:device_hotplug: calling hotplug
> > > > > > > > script: /etc/xen/scripts/vif-bridge add
> > > > > > > > libxl: debug: libxl_aoutils.c:513:libxl__async_exec_start: forking
> > > > > > > > to
> > > > > > > > execute: /etc/xen/scripts/vif-bridge add
> > > > > > > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac83f0: deregister unregistered
> > > > > > > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister:
> > > > > > > > watch
> > > > > > > > w=0xac83f0: deregister unregistered
> > > > > > > > libxl: debug: libxl_event.c:1909:libxl__ao_progress_report: ao
> > > > > > > > 0xac2660: progress report: ignored
> > > > > > > > libxl: debug: libxl_event.c:1739:libxl__ao_complete: ao 0xac2660:
> > > > > > > > complete, rc=0
> > > > > > > > libxl: debug: libxl_event.c:1711:libxl__ao__destroy: ao 0xac2660:
> > > > > > > > destroy
> > > > > > > > xc: debug: hypercall buffer: total allocations:704 total
> > > > > > > > releases:704
> > > > > > > > xc: debug: hypercall buffer: current allocations:0 maximum
> > > > > > > > allocations:4
> > > > > > > > xc: debug: hypercall buffer: cache current size:4
> > > > > > > > xc: debug: hypercall buffer: cache hits:692 misses:4 toobig:8
> > > > > > > > xc: debug: hypercall buffer: total allocations:0 total releases:0
> > > > > > > > xc: debug: hypercall buffer: current allocations:0 maximum
> > > > > > > > allocations:0
> > > > > > > > xc: debug: hypercall buffer: cache current size:0
> > > > > > > > xc: debug: hypercall buffer: cache hits:0 misses:0 toobig:0
> > > > > > > xl dmesg
> > > > > > > > (d9) HVM Loader
> > > > > > > > (d9) Detected Xen v4.5.0-rc
> > > > > > > > (d9) Xenbus rings @0xfeffc000, event channel 1
> > > > > > > > (d9) System requested SeaBIOS
> > > > > > > > (d9) CPU speed is 2660 MHz
> > > > > > > > (d9) Relocating guest memory for lowmem MMIO space disabled
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 0 changed 0 -> 5
> > > > > > > > (d9) PCI-ISA link 0 routed to IRQ5
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 1 changed 0 -> 10
> > > > > > > > (d9) PCI-ISA link 1 routed to IRQ10
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 2 changed 0 -> 11
> > > > > > > > (d9) PCI-ISA link 2 routed to IRQ11
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 3 changed 0 -> 5
> > > > > > > > (d9) PCI-ISA link 3 routed to IRQ5
> > > > > > > > (d9) pci dev 01:3 INTA->IRQ10
> > > > > > > > (d9) pci dev 02:0 INTA->IRQ11
> > > > > > > > (d9) pci dev 03:0 INTA->IRQ5
> > > > > > > > (d9) pci dev 04:0 INTA->IRQ5
> > > > > > > > (d9) pci dev 05:0 INTA->IRQ10
> > > > > > > > (d9) pci dev 06:0 INTA->IRQ11
> > > > > > > > (d9) pci dev 1d:0 INTA->IRQ10
> > > > > > > > (d9) pci dev 1d:1 INTB->IRQ11
> > > > > > > > (d9) pci dev 1d:2 INTC->IRQ5
> > > > > > > > (d9) pci dev 1d:7 INTD->IRQ5
> > > > > > > > (d9) No RAM in high memory; setting high_mem resource base to
> > > > > > > > 100000000
> > > > > > > > (d9) pci dev 05:0 bar 10 size 004000000: 0f0000000
> > > > > > > > (d9) pci dev 05:0 bar 14 size 004000000: 0f4000000
> > > > > > > > (d9) pci dev 02:0 bar 14 size 001000000: 0f8000008
> > > > > > > > (d9) pci dev 06:0 bar 30 size 000040000: 0f9000000
> > > > > > > > (d9) pci dev 05:0 bar 30 size 000010000: 0f9040000
> > > > > > > > (d9) pci dev 03:0 bar 10 size 000004000: 0f9050000
> > > > > > > > (d9) pci dev 05:0 bar 18 size 000002000: 0f9054000
> > > > > > > > (d9) pci dev 04:0 bar 14 size 000001000: 0f9056000
> > > > > > > > (d9) pci dev 1d:7 bar 10 size 000001000: 0f9057000
> > > > > > > > (d9) pci dev 02:0 bar 10 size 000000100: 00000c001
> > > > > > > > (d9) pci dev 06:0 bar 10 size 000000100: 00000c101
> > > > > > > > (d9) pci dev 06:0 bar 14 size 000000100: 0f9058000
> > > > > > > > (d9) pci dev 04:0 bar 10 size 000000020: 00000c201
> > > > > > > > (d9) pci dev 05:0 bar 1c size 000000020: 00000c221
> > > > > > > > (d9) pci dev 1d:0 bar 20 size 000000020: 00000c241
> > > > > > > > (d9) pci dev 1d:1 bar 20 size 000000020: 00000c261
> > > > > > > > (d9) pci dev 1d:2 bar 20 size 000000020: 00000c281
> > > > > > > > (d9) pci dev 01:1 bar 20 size 000000010: 00000c2a1
> > > > > > > > (d9) Multiprocessor initialisation:
> > > > > > > > (d9)  - CPU0 ... 36-bit phys ... fixed MTRRs ... var MTRRs [1/8]
> > > > > > > > ...
> > > > > > > > done.
> > > > > > > > (d9)  - CPU1 ... 36-bit phys ... fixed MTRRs ... var MTRRs [1/8]
> > > > > > > > ...
> > > > > > > > done.
> > > > > > > > (d9) Testing HVM environment:
> > > > > > > > (d9)  - REP INSB across page boundaries ... passed
> > > > > > > > (d9)  - GS base MSRs and SWAPGS ... passed
> > > > > > > > (d9) Passed 2 of 2 tests
> > > > > > > > (d9) Writing SMBIOS tables ...
> > > > > > > > (d9) Loading SeaBIOS ...
> > > > > > > > (d9) Creating MP tables ...
> > > > > > > > (d9) Loading ACPI ...
> > > > > > > > (d9) S3 disabled
> > > > > > > > (d9) S4 disabled
> > > > > > > > (d9) vm86 TSS at fc00a100
> > > > > > > > (d9) BIOS map:
> > > > > > > > (d9)  10000-100d3: Scratch space
> > > > > > > > (d9)  c0000-fffff: Main BIOS
> > > > > > > > (d9) E820 table:
> > > > > > > > (d9)  [00]: 00000000:00000000 - 00000000:000a0000: RAM
> > > > > > > > (d9)  HOLE: 00000000:000a0000 - 00000000:000c0000
> > > > > > > > (d9)  [01]: 00000000:000c0000 - 00000000:00100000: RESERVED
> > > > > > > > (d9)  [02]: 00000000:00100000 - 00000000:78000000: RAM
> > > > > > > > (d9)  HOLE: 00000000:78000000 - 00000000:fc000000
> > > > > > > > (d9)  [03]: 00000000:fc000000 - 00000001:00000000: RESERVED
> > > > > > > > (d9) Invoking SeaBIOS ...
> > > > > > > > (d9) SeaBIOS (version
> > > > > > > > debian/1.7.5-1-0-g506b58d-20140603_102943-testVS01OU)
> > > > > > > > (d9)
> > > > > > > > (d9) Found Xen hypervisor signature at 40000000
> > > > > > > > (d9) Running on QEMU (i440fx)
> > > > > > > > (d9) xen: copy e820...
> > > > > > > > (d9) Relocating init from 0x000df619 to 0x77fae600 (size 71995)
> > > > > > > > (d9) CPU Mhz=2660
> > > > > > > > (d9) Found 13 PCI devices (max PCI bus is 00)
> > > > > > > > (d9) Allocated Xen hypercall page at 77fff000
> > > > > > > > (d9) Detected Xen v4.5.0-rc
> > > > > > > > (d9) xen: copy BIOS tables...
> > > > > > > > (d9) Copying SMBIOS entry point from 0x00010010 to 0x000f0f40
> > > > > > > > (d9) Copying MPTABLE from 0xfc001160/fc001170 to 0x000f0e40
> > > > > > > > (d9) Copying PIR from 0x00010030 to 0x000f0dc0
> > > > > > > > (d9) Copying ACPI RSDP from 0x000100b0 to 0x000f0d90
> > > > > > > > (d9) Using pmtimer, ioport 0xb008
> > > > > > > > (d9) Scan for VGA option rom
> > > > > > > > (d9) Running option rom at c000:0003
> > > > > > > > (XEN) stdvga.c:147:d9v0 entering stdvga and caching modes
> > > > > > > > (d9) pmm call arg1=0
> > > > > > > > (d9) Turning on vga text mode console
> > > > > > > > (d9) SeaBIOS (version
> > > > > > > > debian/1.7.5-1-0-g506b58d-20140603_102943-testVS01OU)
> > > > > > > > (d9) Machine UUID 2eca57e6-bff7-404e-bbda-1926d614cd28
> > > > > > > > (d9) EHCI init on dev 00:1d.7 (regs=0xf9057020)
> > > > > > > > (d9) Found 0 lpt ports
> > > > > > > > (d9) Found 0 serial ports
> > > > > > > > (d9) ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
> > > > > > > > (d9) ATA controller 2 at 170/374/0 (irq 15 dev 9)
> > > > > > > > (d9) ata0-0: QEMU HARDDISK ATA-7 Hard-Disk (10000 MiBytes)
> > > > > > > > (d9) Searching bootorder for: /pci@i0cf8/*@1,1/drive@0/disk@0
> > > > > > > > (d9) UHCI init on dev 00:1d.0 (io=c240)
> > > > > > > > (d9) UHCI init on dev 00:1d.1 (io=c260)
> > > > > > > > (d9) UHCI init on dev 00:1d.2 (io=c280)
> > > > > > > > (d9) PS2 keyboard initialized
> > > > > > > > (d9) All threads complete.
> > > > > > > > (d9) Scan for option roms
> > > > > > > > (d9) Running option rom at c980:0003
> > > > > > > > (d9) pmm call arg1=1
> > > > > > > > (d9) pmm call arg1=0
> > > > > > > > (d9) pmm call arg1=1
> > > > > > > > (d9) pmm call arg1=0
> > > > > > > > (d9) Searching bootorder for: /pci@i0cf8/*@6
> > > > > > > > (d9)
> > > > > > > > (d9) Press F12 for boot menu.
> > > > > > > > (d9)
> > > > > > > > (d9) Searching bootorder for: HALT
> > > > > > > > (d9) drive 0x000f0d40: PCHS=16383/16/63 translation=lba
> > > > > > > > LCHS=1024/255/63 s=20480000
> > > > > > > > (d9) Space available for UMB: ca800-ef000, f0000-f0d40
> > > > > > > > (d9) Returned 258048 bytes of ZoneHigh
> > > > > > > > (d9) e820 map has 6 items:
> > > > > > > > (d9)   0: 0000000000000000 - 000000000009fc00 = 1 RAM
> > > > > > > > (d9)   1: 000000000009fc00 - 00000000000a0000 = 2 RESERVED
> > > > > > > > (d9)   2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
> > > > > > > > (d9)   3: 0000000000100000 - 0000000077fff000 = 1 RAM
> > > > > > > > (d9)   4: 0000000077fff000 - 0000000078000000 = 2 RESERVED
> > > > > > > > (d9)   5: 00000000fc000000 - 0000000100000000 = 2 RESERVED
> > > > > > > > (d9) enter handle_19:
> > > > > > > > (d9)   NULL
> > > > > > > > (d9) Booting from Hard Disk...
> > > > > > > > (d9) Booting from 0000:7c00
> > > > > > > > (XEN) irq.c:389: Dom9 callback via changed to Direct Vector 0xf3
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 0 changed 5 -> 0
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 1 changed 10 -> 0
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 2 changed 11 -> 0
> > > > > > > > (XEN) irq.c:279: Dom9 PCI link 3 changed 5 -> 0
> > > > > > > domU's xl cfg:
> > > > > > > > name='FEDORA'
> > > > > > > > builder="hvm"
> > > > > > > > device_model_override="/usr/lib/xen/bin/qemu-gdb"
> > > > > > > > memory=2048
> > > > > > > > vcpus=2
> > > > > > > > acpi_s3=0
> > > > > > > > acpi_s4=0
> > > > > > > > vif=['bridge=xenbr0']
> > > > > > > > disk=['/mnt/vm/disks/FEDORA19.disk1.xm,raw,hda,rw']
> > > > > > > > boot='dc'
> > > > > > > > device_model_version='qemu-xen'
> > > > > > > > vnc=0
> > > > > > > > keymap="it"
> > > > > > > > vga="qxl"
> > > > > > > > spice=1
> > > > > > > > spicehost='0.0.0.0'
> > > > > > > > spiceport=6005
> > > > > > > > spicedisable_ticketing=1
> > > > > > > > spicevdagent=1
> > > > > > > > spice_clipboard_sharing=0
> > > > > > > > spiceusbredirection=4
> > > > > > > > soundhw="hda"
> > > > > > > I tested also with stdvga instead of qxl vga but qemu crash always
> > > > > > > on
> > > > > > > fedora boot with same error.
> > > > > > >
> > > > > > > If you need more informations/tests tell me and I'll post them.
> > > > > > >
> > > > > > > Thanks for any reply and sorry for my bad english.

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