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Re: [Xen-devel] xl console regression on xen-unstable



On Mon, Oct 14, 2013 at 04:21:52PM +0200, Fabio Fantoni wrote:
> Il 14/10/2013 16:02, Wei Liu ha scritto:
> >On Tue, Oct 08, 2013 at 04:47:17PM +0200, Fabio Fantoni wrote:
> >>I'm unable to start xl console on latest xen-unstable (build with
> >>commit 8e0da8c07f4f80e14314977a11f738bd74a5b62b).
> >>>xl -vvv console sid
> >>>xenconsole: Could not read tty from store: No such file or directory
> >It would be good if you can paste the output here.
> 
> Thanks for reply.
> The "xenconsole: ..." line is the only output of "xl -vvv console
> sid" command, before that it shows nothing for some seconds, then
> return to command line.
> 
> >>I also tried "xl create -c", and it shows console from pygrub but
> >>when the "xl create" reaches the end I got the same error:
> >>>xenconsole: Could not read tty from store: No such file or directory
> >Please run xl -vvv create -c, paste output here.
> 
> See on attachment.
> 

Could you also attach the output of "xenstore-ls" when your DomU is up
and running.

> Thanks for any reply.
> 
> >>I tried on Sid minimal (debian unstable) and Precise desktop (Ubuntu
> >>12.04) pv domUs.
> >>I haven't use it for a long time (probably some months), I don't
> >>remember what is the last test build where was working.
> >>
> >>If you need more details tell me and I'll post them.
> >>
> >>Thanks for any reply.
> >>
> >>_______________________________________________
> >>Xen-devel mailing list
> >>Xen-devel@xxxxxxxxxxxxx
> >>http://lists.xen.org/xen-devel
> 

> xl -vvv create /etc/xen/sid.cfg -c
> Parsing config from /etc/xen/sid.cfg
> libxl: debug: libxl_create.c:1263:do_domain_create: ao 0x8540d0: create: 
> how=(nil) callback=(nil) poller=0x853f90
> libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk 
> vdev=xvda spec.backend=unknown
> libxl: debug: libxl_device.c:197:disk_try_backend: Disk vdev=xvda, backend 
> phy unsuitable as phys path not a block device
> libxl: debug: libxl_device.c:296:libxl__device_disk_set_backend: Disk 
> vdev=xvda, using backend qdisk
> libxl: debug: libxl_create.c:707:initiate_domain_create: running bootloader
> libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk 
> vdev=(null) spec.backend=qdisk
> libxl: debug: libxl.c:2654:libxl__device_disk_local_initiate_attach: locally 
> attaching qdisk /mnt/vm/disks/sid.disk1.xm
> libxl: debug: libxl_bootloader.c:409:bootloader_disk_attached_cb: Config 
> bootloader value: pygrub
> libxl: debug: libxl_bootloader.c:425:bootloader_disk_attached_cb: Checking 
> for bootloader in libexec path: /usr/lib/xen/bin/pygrub
> libxl: debug: libxl_create.c:1277:do_domain_create: ao 0x8540d0: inprogress: 
> poller=0x853f90, flags=i
> libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch w=0x854458 
> wpath=/local/domain/6 token=3/0: register slotnum=3
> libxl: debug: libxl_event.c:1748:libxl__ao_progress_report: ao 0x8540d0: 
> progress report: callback queued aop=0x8553f0
> libxl: debug: libxl_bootloader.c:535:bootloader_gotptys: executing 
> bootloader: /usr/lib/xen/bin/pygrub
> libxl: debug: libxl_bootloader.c:539:bootloader_gotptys:   bootloader arg: 
> /usr/lib/xen/bin/pygrub
> libxl: debug: libxl_bootloader.c:539:bootloader_gotptys:   bootloader arg: 
> --output=/var/run/xen/bootloader.6.out
> libxl: debug: libxl_bootloader.c:539:bootloader_gotptys:   bootloader arg: 
> --output-format=simple0
> libxl: debug: libxl_bootloader.c:539:bootloader_gotptys:   bootloader arg: 
> --output-directory=/var/run/xen/bootloader.6.d
> libxl: debug: libxl_bootloader.c:539:bootloader_gotptys:   bootloader arg: 
> /mnt/vm/disks/sid.disk1.xm
> libxl: debug: libxl_event.c:1160:egc_run_callbacks: ao 0x8540d0: progress 
> report: callback aop=0x8553f0
> libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x854458 
> wpath=/local/domain/6 token=3/0: event epath=/local/domain/6
> Using <class 'grub.GrubConf.Grub2ConfigFile'> to parse /boot/grub/grub.cfg
>                                                                           
> WARNING:root:Unknown directive menuentry_id_option
>                                                                               
>                                               WARNING:root:Unknown directive 
> else
>                                                                               
>                                                                               
>    WARNING:root:Unknown directive menuentry_id_option
>                                WARNING:root:Unknown directive export
>                                                                     
> WARNING:root:Unknown directive font
>                                                                               
>                          WARNING:root:Unknown directive else
>                                                                               
>                                                             
> WARNING:root:Unknown directive else
>                                                                               
>                                                                               
>                  WARNING:root:Unknown directive font
>                               WARNING:root:Unknown directive load_video
>                                                                        
> WARNING:root:Unknown directive terminal_output
>                                                                               
>                                        WARNING:root:Unknown image directive 
> load_video
>                                                                               
>                                                                               
>         WARNING:root:Unknown image directive if
>                          WARNING:root:Unknown image directive else
>                                                                   
> WARNING:root:Unknown image directive fi
>                                                                               
>                            WARNING:root:Unknown image directive load_video
>                                                                               
>                                                                           
> WARNING:root:Unknown image directive if
>              WARNING:root:Unknown image directive else
>                                                       WARNING:root:Unknown 
> image directive fi
>                                                                               
>                WARNING:root:Unknown image directive load_video
>                                                                               
>                                                               
> WARNING:root:Unknown image directive if
>  WARNING:root:Unknown image directive else
>                                           WARNING:root:Unknown image 
> directive fi
>                                                                               
>    WARNING:root:Unknown image directive load_video
>                                                                               
>                                                   WARNING:root:Unknown image 
> directive if
>                                                                               
>                                                                               
>            WARNING:root:Unknown image directive else
>                               WARNING:root:Unknown image directive fi
>                                                                      
> WARNING:root:Unknown image directive load_video
>                                                                               
>                                       WARNING:root:Unknown image directive if
>                                                                               
>                                                                              
> WARNING:root:Unknown image directive else
>                   WARNING:root:Unknown image directive fi
>                                                          WARNING:root:Unknown 
> image directive load_video
>                                                                               
>                           WARNING:root:Unknown image directive if
>                                                                               
>                                                                  
> WARNING:root:Unknown image directive else
>       WARNING:root:Unknown image directive fi
>                                              WARNING:root:Unknown image 
> directive load_video
>                                                                               
>               WARNING:root:Unknown image directive if
>                                                                               
>                                                      WARNING:root:Unknown 
> image directive else
>                                                                               
>                                                                               
>                 WARNING:root:Unknown image directive fi
>                                  WARNING:root:Unknown directive source
>                                                                       
> WARNING:root:Unknown directive elif
>                                                                               
>                            WARNING:root:Unknown directive source
> 
>     pyGRUB  version 0.6
>  lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk
>  x Debian GNU/Linux' --class debian --class gnu-linux --class gnu --class o
>  s Debian GNU/Linux, con Linux 3.10-3-amd64' --class debian --class gnu-lin
>  uxDebian GNU/Linux, con Linux 3.10-3-amd64 (modalità ripristino)' --class
>   dDebian GNU/Linux, con Linux 3.10-2-amd64' --class debian --class gnu-lin
>  uxDebian GNU/Linux, con Linux 3.10-2-amd64 (modalità ripristino)' --class
>   dDebian GNU/Linux, con Linux 3.2.0-4-amd64' --class debian --class gnu-li
>  nuDebian GNU/Linux, con Linux 3.2.0-4-amd64 (modalità ripristino)' --clas
>  s debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gn
>  ulinux-3.2.0-4-amd64-recovery-3ab55964-09d1-4853-be38-661b5a476a14qqqqqqqj
>      Use the ^ and v keys to select which entry is highlighted.
>      Press enter to boot the selected OS, 'e' to edit the
>      commands before booting, 'a' to modify the kernel arguments
>      before booting, or 'c' for a command line.
> 
> 
> 
> 
>      Will boot selected entry in  1 seconds
> 
> 
> libxl: debug: libxl_bootloader.c:634:bootloader_finished: bootloader completed
>                                                                               
> libxl: debug: libxl_bootloader.c:136:bootloader_result_command: bootloader 
> output contained kernel /var/run/xen/bootloader.6.d/boot_kernel.8w74ac
>                                              libxl: debug: 
> libxl_bootloader.c:136:bootloader_result_command: bootloader output contained 
> ramdisk /var/run/xen/bootloader.6.d/boot_ramdisk.CnDxeo
>               libxl: debug: libxl_bootloader.c:136:bootloader_result_command: 
> bootloader output contained args 
> root=UUID=3ab55964-09d1-4853-be38-661b5a476a14 ro console=tty0 quiet
>  libxl: debug: libxl_bootloader.c:647:bootloader_finished: bootloader 
> execution successful
>                                                                               
>             libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister: 
> watch w=0x854458 wpath=/local/domain/6 token=3/0: deregister slotnum=3
>                                             libxl: debug: 
> libxl_numa.c:475:libxl__get_numa_candidate: New best NUMA placement candidate 
> found: nr_nodes=1, nr_cpus=8, nr_vcpus=10, free_memkb=9051
>                 libxl: detail: libxl_dom.c:195:numa_place_domain: NUMA 
> placement candidate with 1 nodes, 8 cpus and 9051 KB free selected
>                                                                               
>                                                            domainbuilder: 
> detail: xc_dom_allocate: 
> cmdline="root=UUID=3ab55964-09d1-4853-be38-661b5a476a14 ro console=tty0 
> quiet", features="(null)"
>                                                                               
>                   libxl: debug: libxl_dom.c:341:libxl__build_pv: pv kernel 
> mapped 1 path /var/run/xen/bootloader.6.d/boot_kernel.8w74ac
> 
>                                    domainbuilder: detail: xc_dom_kernel_mem: 
> called
>                                                                               
>      domainbuilder: detail: xc_dom_ramdisk_mem: called
>                                                                               
>                                                       domainbuilder: detail: 
> xc_dom_boot_xen_init: ver 4.4, caps xen-3.0-x86_64 xen-3.0-x86_32p 
> hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 
>                                                                               
>             domainbuilder: detail: xc_dom_parse_image: called
>                                                                               
>                                                              domainbuilder: 
> detail: xc_dom_find_loader: trying multiboot-binary loader ... 
>                                        domainbuilder: detail: loader probe 
> failed
>                                                                               
>    domainbuilder: detail: xc_dom_find_loader: trying Linux bzImage loader ... 
>                                                                               
>                                                                               
> domainbuilder: detail: XZ: Saw data stream end
>                         domainbuilder: detail: _xc_try_lzma_decode: XZ 
> decompress OK, 0x250b14 -> 0xb88960
>                                                                               
>                             domainbuilder: detail: loader probe OK
>                                                                               
>                                                                   xc: detail: 
> elf_parse_binary: phdr: paddr=0x1000000 memsz=0x585000
>                                 xc: detail: elf_parse_binary: phdr: 
> paddr=0x1600000 memsz=0x9d0f0
>                                                                               
>                    xc: detail: elf_parse_binary: phdr: paddr=0x169e000 
> memsz=0x14bc0
>                                                                               
>                                                                               
>       xc: detail: elf_parse_binary: phdr: paddr=0x16b3000 memsz=0x5dd000
>                                                   xc: detail: 
> elf_parse_binary: memory: 0x1000000 -> 0x1c90000
>                                                                               
>                                 xc: detail: elf_xen_parse_note: GUEST_OS = 
> "linux"
>                                                                               
>                                                                               
>     xc: detail: elf_xen_parse_note: GUEST_VERSION = "2.6"
>                                    xc: detail: elf_xen_parse_note: 
> XEN_VERSION = "xen-3.0"
>                                                                               
>             xc: detail: elf_xen_parse_note: VIRT_BASE = 0xffffffff80000000
>                                                                               
>                                                                           xc: 
> detail: elf_xen_parse_note: ENTRY = 0xffffffff816b31e0
>                                 xc: detail: elf_xen_parse_note: 
> HYPERCALL_PAGE = 0xffffffff81001000
>                                                                               
>                      xc: detail: elf_xen_parse_note: FEATURES = 
> "!writable_page_tables|pae_pgdir_above_4gb"
>        xc: detail: elf_xen_parse_note: PAE_MODE = "yes"
>                                                        xc: detail: 
> elf_xen_parse_note: LOADER = "generic"
>                                                                               
>                            xc: detail: elf_xen_parse_note: unknown xen elf 
> note (0xd)
>                                                                               
>                                                                               
>        xc: detail: elf_xen_parse_note: SUSPEND_CANCEL = 0x1
>                                      xc: detail: elf_xen_parse_note: 
> HV_START_LOW = 0xffff800000000000
>                                                                               
>                         xc: detail: elf_xen_parse_note: PADDR_OFFSET = 0x0
>                                                                               
>                                                                           xc: 
> detail: elf_xen_addr_calc_check: addresses:
>                      xc: detail:     virt_base        = 0xffffffff80000000
>                                                                           xc: 
> detail:     elf_paddr_offset = 0x0
>                                                                               
>                                   xc: detail:     virt_offset      = 
> 0xffffffff80000000
>                                                                               
>                                                                               
>          xc: detail:     virt_kstart      = 0xffffffff81000000
>                                         xc: detail:     virt_kend        = 
> 0xffffffff81c90000
>                                                                               
>                xc: detail:     virt_entry       = 0xffffffff816b31e0
>                                                                               
>                                                                     xc: 
> detail:     p2m_base         = 0xffffffffffffffff
>                      domainbuilder: detail: xc_dom_parse_elf_kernel: 
> xen-3.0-x86_64: 0xffffffff81000000 -> 0xffffffff81c90000
>                                                                               
>                                                domainbuilder: detail: 
> xc_dom_mem_init: mem 1024 MB, pages 0x40000 pages, 4k each
>                             domainbuilder: detail: xc_dom_mem_init: 0x40000 
> pages
>                                                                               
>    domainbuilder: detail: xc_dom_boot_mem_init: called
>                                                                               
>                                                       domainbuilder: detail: 
> x86_compat: guest xen-3.0-x86_64, address size 64
>                           domainbuilder: detail: xc_dom_malloc            : 
> 2048 kB
>                                                                               
>      domainbuilder: detail: xc_dom_build_image: called
>                                                                               
>                                                       domainbuilder: detail: 
> xc_dom_alloc_segment:   kernel       : 0xffffffff81000000 -> 
> 0xffffffff81c90000  (pfn 0x1000 + 0xc90 pages)
>                                                                               
>       domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 
> 0x1000+0xc90 at 0x7ffd49b8b000
>      xc: detail: elf_load_binary: phdr 0 at 0x7ffd49b8b000 -> 0x7ffd4a110000
>                                                                             
> xc: detail: elf_load_binary: phdr 1 at 0x7ffd4a18b000 -> 0x7ffd4a2280f0
>                                                                               
>                                                                      xc: 
> detail: elf_load_binary: phdr 2 at 0x7ffd4a229000 -> 0x7ffd4a23dbc0
>                                         xc: detail: elf_load_binary: phdr 3 
> at 0x7ffd4a23e000 -> 0x7ffd4a313000
>                                                                               
>                                  domainbuilder: detail: xc_dom_alloc_segment: 
>   ramdisk      : 0xffffffff81c90000 -> 0xffffffff83d8f000  (pfn 0x1c90 + 
> 0x20ff pages)
>                                                                 
> domainbuilder: detail: xc_dom_malloc            : 197 kB
>                                                                               
>                                           domainbuilder: detail: 
> xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x1c90+0x20ff at 0x7ffd47a8c000
>                                           domainbuilder: detail: 
> xc_dom_do_gunzip: unzip ok, 0xb0660a -> 0x20fe210
>                                                                               
>                                     domainbuilder: detail: 
> xc_dom_alloc_segment:   phys2mach    : 0xffffffff83d8f000 -> 
> 0xffffffff83f8f000  (pfn 0x3d8f + 0x200 pages)
>                                                                   
> domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 
> 0x3d8f+0x200 at 0x7ffd4655f000
>                                                                               
>                                                                               
>          domainbuilder: detail: xc_dom_alloc_page   :   start info   : 
> 0xffffffff83f8f000 (pfn 0x3f8f)
>                                                                               
>   domainbuilder: detail: xc_dom_alloc_page   :   xenstore     : 
> 0xffffffff83f90000 (pfn 0x3f90)
>                                                                               
>                                                                               
>                  domainbuilder: detail: xc_dom_alloc_page   :   console      
> : 0xffffffff83f91000 (pfn 0x3f91)
>                                                                               
>           domainbuilder: detail: nr_page_tables: 0x0000ffffffffffff/48: 
> 0xffff000000000000 -> 0xffffffffffffffff, 1 table(s)
>                         domainbuilder: detail: nr_page_tables: 
> 0x0000007fffffffff/39: 0xffffff8000000000 -> 0xffffffffffffffff, 1 table(s)
>                                                                               
>                                                             domainbuilder: 
> detail: nr_page_tables: 0x000000003fffffff/30: 0xffffffff80000000 -> 
> 0xffffffffbfffffff, 1 table(s)
>                                                                           
> domainbuilder: detail: nr_page_tables: 0x00000000001fffff/21: 
> 0xffffffff80000000 -> 0xffffffff843fffff, 34 table(s)
>            domainbuilder: detail: xc_dom_alloc_segment:   page tables  : 
> 0xffffffff83f92000 -> 0xffffffff83fb7000  (pfn 0x3f92 + 0x25 pages)
>                                                                               
>                                                               domainbuilder: 
> detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x3f92+0x25 at 
> 0x7ffd4d9fc000
>                                                             domainbuilder: 
> detail: xc_dom_alloc_page   :   boot stack   : 0xffffffff83fb7000 (pfn 0x3fb7)
>                                                                               
>                                                                            
> domainbuilder: detail: xc_dom_build_image  : virt_alloc_end : 
> 0xffffffff83fb8000
>                                                        domainbuilder: detail: 
> xc_dom_build_image  : virt_pgtab_end : 0xffffffff84400000
>                                                                               
>                                                          domainbuilder: 
> detail: xc_dom_boot_image: called
>      domainbuilder: detail: arch_setup_bootearly: doing nothing
>                                                                domainbuilder: 
> detail: xc_dom_compat_check: supported guest type: xen-3.0-x86_64 <= matches
>                                                                               
>                                                                             
> domainbuilder: detail: xc_dom_compat_check: supported guest type: 
> xen-3.0-x86_32p
>                                                          domainbuilder: 
> detail: xc_dom_compat_check: supported guest type: hvm-3.0-x86_32
>                                                                               
>                                                            domainbuilder: 
> detail: xc_dom_compat_check: supported guest type: hvm-3.0-x86_32p
>                                         domainbuilder: detail: 
> xc_dom_compat_check: supported guest type: hvm-3.0-x86_64
>                                                                               
>                                           domainbuilder: detail: 
> xc_dom_update_guest_p2m: dst 64bit, pages 0x40000
>               domainbuilder: detail: clear_page: pfn 0x3f91, mfn 0x33d99b
>                                                                          
> domainbuilder: detail: clear_page: pfn 0x3f90, mfn 0x33d99c
>                                                                               
>                                                       domainbuilder: detail: 
> xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x3f8f+0x1 at 0x7ffd4d9f9000
>                                                    domainbuilder: detail: 
> start_info_x86_64: called
>                                                                               
>                      domainbuilder: detail: setup_hypercall_page: 
> vaddr=0xffffffff81001000 pfn=0x1001
>  domainbuilder: detail: domain builder memory footprint
>                                                        domainbuilder: detail: 
>    allocated
>                                                                               
>             domainbuilder: detail:       malloc             : 2336 kB
>                                                                               
>                                                                      
> domainbuilder: detail:       anon mmap          : 0 bytes
>                           domainbuilder: detail:    mapped
>                                                           domainbuilder: 
> detail:       file mmap          : 0 bytes
>                                                                               
>                                      domainbuilder: detail:       domU mmap   
>        : 47 MB
>                                                                               
>                                                                               
>               domainbuilder: detail: arch_setup_bootlate: shared_info: pfn 
> 0x0, mfn 0xbf2f4
>                                                                      
> domainbuilder: detail: shared_info_x86_64: called
>                                                                               
>                                         domainbuilder: detail: vcpu_x86_64: 
> called
>                                                                               
>                                                                               
>     domainbuilder: detail: vcpu_x86_64: cr3: pfn 0x3f92 mfn 0x33d99a
>                                               domainbuilder: detail: 
> launch_vm: called, ctxt=0x7ffd4d9fa004
>                                                                               
>                              domainbuilder: detail: xc_dom_release: called
>                                                                               
>                                                                           
> libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk 
> vdev=xvda spec.backend=qdisk
>                                                                         
> libxl: debug: libxl_dm.c:1280:libxl__spawn_local_dm: Spawning device-model 
> /usr/lib/xen/bin/qemu-system-i386 with arguments:
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   
> /usr/lib/xen/bin/qemu-system-i386
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -xen-domid
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   6
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -chardev
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   
> socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-6,server,nowait
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -mon
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   
> chardev=libxl-cmd,mode=control
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -nodefaults
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -xen-attach
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -name
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   sid
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -vnc
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   0.0.0.0:0,to=99
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -k
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   it
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -M
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   xenpv
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   -m
> libxl: debug: libxl_dm.c:1282:libxl__spawn_local_dm:   1025
> libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch w=0x854690 
> wpath=/local/domain/0/device-model/6/state token=3/1: register slotnum=3
> libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x854690 
> wpath=/local/domain/0/device-model/6/state token=3/1: event 
> epath=/local/domain/0/device-model/6/state
> libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x854690 
> wpath=/local/domain/0/device-model/6/state token=3/1: event 
> epath=/local/domain/0/device-model/6/state
> libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister: watch 
> w=0x854690 wpath=/local/domain/0/device-model/6/state token=3/1: deregister 
> slotnum=3
> libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister: watch 
> w=0x854690: deregister unregistered
> libxl: debug: libxl_qmp.c:707:libxl__qmp_initialize: connected to 
> /var/run/xen/qmp-libxl-6
> libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type: qmp
> libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command: '{
>     "execute": "qmp_capabilities",
>     "id": 1
> }
> '
> libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type: return
> libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command: '{
>     "execute": "query-chardev",
>     "id": 2
> }
> '
> libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type: return
> libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command: '{
>     "execute": "query-vnc",
>     "id": 3
> }
> '
> libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type: return
> libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch w=0x85ad98 
> wpath=/local/domain/0/backend/vif/6/0/state token=3/2: register slotnum=3
> libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x85ad98 
> wpath=/local/domain/0/backend/vif/6/0/state token=3/2: event 
> epath=/local/domain/0/backend/vif/6/0/state
> libxl: debug: libxl_event.c:647:devstate_watch_callback: backend 
> /local/domain/0/backend/vif/6/0/state wanted state 2 still waiting state 1
> libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x85ad98 
> wpath=/local/domain/0/backend/vif/6/0/state token=3/2: event 
> epath=/local/domain/0/backend/vif/6/0/state
> libxl: debug: libxl_event.c:643:devstate_watch_callback: backend 
> /local/domain/0/backend/vif/6/0/state wanted state 2 ok
> libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister: watch 
> w=0x85ad98 wpath=/local/domain/0/backend/vif/6/0/state token=3/2: deregister 
> slotnum=3
> libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister: watch 
> w=0x85ad98: deregister unregistered
> libxl: debug: libxl_device.c:959:device_hotplug: calling hotplug script: 
> /etc/xen/scripts/vif-bridge online
> libxl: debug: libxl_event.c:1748:libxl__ao_progress_report: ao 0x8540d0: 
> progress report: callback queued aop=0x859680
> libxl: debug: libxl_event.c:1570:libxl__ao_complete: ao 0x8540d0: complete, 
> rc=0
> libxl: debug: libxl_event.c:1160:egc_run_callbacks: ao 0x8540d0: progress 
> report: callback aop=0x859680
> libxl: debug: libxl_event.c:1542:libxl__ao__destroy: ao 0x8540d0: destroy
> Daemon running with PID 6784
> xenconsole: Could not read tty from store: No such file or directory
> libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: console child 
> [0] exited with error status 2
> xc: debug: hypercall buffer: total allocations:241 total releases:241
> xc: debug: hypercall buffer: current allocations:0 maximum allocations:4
> xc: debug: hypercall buffer: cache current size:4
> xc: debug: hypercall buffer: cache hits:230 misses:4 toobig:7


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