On 04/03/2022 14:46, Andrea Stevanato wrote:
> On 3/4/2022 1:27 PM, Roger Pau Monné wrote:
>> On Fri, Mar 04, 2022 at 01:05:55PM +0100, Andrea Stevanato wrote:
>>> On 3/4/2022 12:52 PM, Roger Pau Monné wrote:
>>>> On Thu, Mar 03, 2022 at 01:08:31PM -0500, Jason Andryuk wrote:
>>>>> On Thu, Mar 3, 2022 at 11:34 AM Roger Pau Monné <roger....@citrix.com>
>>>>> wrote:
>>>>>>
>>>>>> On Thu, Mar 03, 2022 at 05:01:23PM +0100, Andrea Stevanato wrote:
>>>>>>> On 03/03/2022 15:54, Andrea Stevanato wrote:
>>>>>>>> Hi all,
>>>>>>>>
>>>>>>>> according to the conversation that I had with royger, aa67b97ed34
>>>>>>>> broke the driver domain support.
>>>>>>>>
>>>>>>>> What I'm trying to do is to setup networking between guests using
>>>>>>>> driver domain. Therefore, the guest (driver) has been started with the
>>>>>>>> following cfg.
>>>>>>>>
>>>>>>>> name = "guest0"
>>>>>>>> kernel = "/media/sd-mmcblk0p1/Image"
>>>>>>>> ramdisk = "/media/sd-mmcblk0p1/rootfs.cpio.gz"
>>>>>>>> extra = "console=hvc0 rdinit=/sbin/init root=/dev/ram0"
>>>>>>>> memory = 1024 vcpus = 2
>>>>>>>> driver_domain = 1
>>>>>>>>
>>>>>>>> On guest0 I created the bridge, assigned a static IP and started the
>>>>>>>> udhcpd on xenbr0 interface.
>>>>>>>> While the second guest has been started with the following cfg:
>>>>>>>>
>>>>>>>> name = "guest1"
>>>>>>>> kernel = "/media/sd-mmcblk0p1/Image"
>>>>>>>> ramdisk = "/media/sd-mmcblk0p1/rootfs.cpio.gz"
>>>>>>>> extra = "console=hvc0 rdinit=/sbin/init root=/dev/ram0"
>>>>>>>> memory = 1024 vcpus = 2
>>>>>>>> vcpus = 2
>>>>>>>> vif = [ 'bridge=xenbr0, backend=guest0' ]
>>>>>>>>
>>>>>>>> Follows the result of strace xl devd:
>>>>>>>>
>>>>>>>> # strace xl devd
>>>>>>>> execve("/usr/sbin/xl", ["xl", "devd"], 0xffffdf0420c8 /* 13 vars */) = >>>>>>>> 0
>>>>>
>>>>>>>> ioctl(5, _IOC(_IOC_NONE, 0x50, 0, 0x30), 0xffffe6e41b40) = -1 EPERM
>>>>>>>> (Operation not permitted)
>>>>>>>> write(2, "libxl: ", 7libxl: ) = 7
>>>>>>>> write(2, "error: ", 7error: ) = 7
>>>>>>>> write(2, "libxl_utils.c:820:libxl_cpu_bitm"...,
>>>>>>>> 87libxl_utils.c:820:libxl_cpu_bitmap_alloc: failed to retrieve the
>>>>>>>> maximum number of cpus) = 87
>>>>>>>> write(2, "\n", 1
>>>>>>>> ) = 1
>>>>>>>> clone(child_stack=NULL,
>>>>>>>> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
>>>>>>>> child_tidptr=0xffff9ee7a0e0) = 814
>>>>>>>> wait4(814, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 814
>>>>>>>> --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=814,
>>>>>>>> si_uid=0, si_status=0, si_utime=2, si_stime=2} ---
>>>>>
>>>>> xl devd is daemonizing, but strace is only following the first
>>>>> process. Use `strace xl devd -F` to prevent the daemonizing (or
>>>>> `strace -f xl devd` to follow children).
>>>>
>>>> Or as a first step try to see what kind of messages you get from `xl
>>>> devd -F` when trying to attach a device using the driver domain.
>>>
>>> Nothing has changed. On guest0 (the driver domain):
>>>
>>> # xl devd -F
>>> libxl: error: libxl_utils.c:820:libxl_cpu_bitmap_alloc: failed to retrieve
>>> the maximum number of cpus
>>> libxl: error: libxl_utils.c:820:libxl_cpu_bitmap_alloc: failed to retrieve
>>> the maximum number of cpus
>>> libxl: error: libxl_utils.c:820:libxl_cpu_bitmap_alloc: failed to retrieve
>>> the maximum number of cpus
>>> [ 696.805619] xenbr0: port 1(vif2.0) entered blocking state
>>> [ 696.810334] xenbr0: port 1(vif2.0) entered disabled state
>>> [ 696.824518] device vif2.0 entered promiscuous mode
>>
>> Can you use `xl -vvv devd -F` here?
>
> # xl -vvv devd -F
> libxl: error: libxl_utils.c:820:libxl_cpu_bitmap_alloc: failed to retrieve
> the maximum number of cpus
> libxl: error: libxl_utils.c:820:libxl_cpu_bitmap_alloc: failed to retrieve
> the maximum number of cpus
> libxl: error: libxl_utils.c:820:libxl_cpu_bitmap_alloc: failed to retrieve
> the maximum number of cpus
> libxl: debug: libxl_device.c:1749:libxl_device_events_handler: ao
> 0xaaaaece52130: create: how=(nil) callback=(nil) poller=0xaaaaece52430
> libxl: debug: libxl_event.c:813:libxl__ev_xswatch_register: watch
> w=0xffffe628caf8 wpath=/local/domain/1/backend token=3/0: register slotnum=3
> libxl: debug: libxl_device.c:1806:libxl_device_events_handler: ao
> 0xaaaaece52130: inprogress: poller=0xaaaaece52430, flags=i
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event epath=/local/domain/1/backend
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece51b90:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece51b90:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece4e7b0:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece4e7b0:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece4e990:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece4e990:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/frontend
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece4eaa0:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece4eaa0:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/frontend-id
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece4ebb0:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece4ebb0:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/online
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece52830:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_device.c:1714:backend_watch_callback: Domain 2:Added
> domain to the list of active guests
> libxl: debug: libxl_device.c:1569:add_device: Domain 2:Added device
> /local/domain/1/backend/vif/2/0 to the list of active devices
> libxl: debug: libxl_event.c:813:libxl__ev_xswatch_register: watch
> w=0xaaaaece52a10 wpath=/local/domain/1/backend/vif/2/0/state token=2/1:
> register slotnum=2
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/state
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece52d50:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/script
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece52f30:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece52f30:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/mac
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/bridge
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/handle
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/type
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-sg
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-gso-tcpv4
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-gso-tcpv6
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-ipv6-csum-offload
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-rx-copy
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-xdp-headroom
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-rx-flip
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-multicast-control
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-dynamic-multicast-control
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-split-event-channels
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/multi-queue-max-queues
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-ctrl-ring
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-sg
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-gso-tcpv4
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-gso-tcpv6
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-ipv6-csum-offload
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-rx-copy
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-xdp-headroom
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-rx-flip
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-multicast-control
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-dynamic-multicast-control
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-split-event-channels
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/multi-queue-max-queues
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/feature-ctrl-ring
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaaece53110:
> destroy
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/state
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53110:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xaaaaece52a10
> wpath=/local/domain/1/backend/vif/2/0/state token=2/1: event
> epath=/local/domain/1/backend/vif/2/0/state
> libxl: debug: libxl_event.c:1055:devstate_callback: backend
> /local/domain/1/backend/vif/2/0/state wanted state 2 still waiting state 5
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/state
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece53fa0:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xaaaaece52a10
> wpath=/local/domain/1/backend/vif/2/0/state token=2/1: event
> epath=/local/domain/1/backend/vif/2/0/state
> libxl: debug: libxl_event.c:1055:devstate_callback: backend
> /local/domain/1/backend/vif/2/0/state wanted state 2 still waiting state 5
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xffffe628caf8
> wpath=/local/domain/1/backend token=3/0: event
> epath=/local/domain/1/backend/vif/2/0/state
> libxl: debug: libxl_event.c:2445:libxl__nested_ao_create: ao 0xaaaaece54180:
> nested ao, parent 0xaaaaece52130
> libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0xaaaaece52a10
> wpath=/local/domain/1/backend/vif/2/0/state token=2/1: event
> epath=/local/domain/1/backend/vif/2/0/state
> libxl: debug: libxl_event.c:1055:devstate_callback: backend
> /local/domain/1/backend/vif/2/0/state wanted state 2 still waiting state 6
There were one piece missing, I copied-pasted too early.
libxl: debug: libxl_aoutils.c:88:xswait_timeout_callback: backend
/local/domain/1/backend/vif/2/0/state (hoping for state change to 2): xswait
timeout (path=/local/domain/1/backend/vif/2/0/state)
libxl: debug: libxl_event.c:850:libxl__ev_xswatch_deregister: watch
w=0xaaaadbbd3a10 wpath=/local/domain/1/backend/vif/2/0/state token=2/1:
deregister slotnum=2
libxl: debug: libxl_event.c:1039:devstate_callback: backend
/local/domain/1/backend/vif/2/0/state wanted state 2 timed out
libxl: debug: libxl_event.c:864:libxl__ev_xswatch_deregister: watch
w=0xaaaadbbd3a10: deregister unregistered
libxl: debug: libxl_device.c:1090:device_backend_callback: Domain 2:calling
device_backend_cleanup
libxl: debug: libxl_event.c:864:libxl__ev_xswatch_deregister: watch
w=0xaaaadbbd3a10: deregister unregistered
libxl: error: libxl_device.c:1103:device_backend_callback: Domain 2:unable to
add device with path /local/domain/1/backend/vif/2/0
libxl: debug: libxl_event.c:864:libxl__ev_xswatch_deregister: watch
w=0xaaaadbbd3b10: deregister unregistered
libxl: debug: libxl_device.c:1444:device_complete: device
/local/domain/1/backend/vif/2/0 add failed
libxl: debug: libxl_event.c:2035:libxl__ao__destroy: ao 0xaaaadbbd3830: destroy
>> I assume the process doesn't die unexpectedly?
>
> No, it does not.
>
>> Thanks, Roger.
>
> Regards,
> Andrea
Andrea
