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Re: Network driver domain broken
- To: Andrea Stevanato <andrea.stevanato@xxxxxxxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Mon, 7 Mar 2022 12:46:13 +0100
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- Cc: Jason Andryuk <jandryuk@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "wl@xxxxxxx" <wl@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Delivery-date: Mon, 07 Mar 2022 11:46:31 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, Mar 07, 2022 at 12:39:22PM +0100, Andrea Stevanato wrote:
> /local/domain/2 = "" (n0,r2)
> /local/domain/2/vm = "/vm/f6dca20a-54bb-43af-9a62-67c55cb75708" (n0,r2)
> /local/domain/2/name = "guest1" (n0,r2)
> /local/domain/2/cpu = "" (n0,r2)
> /local/domain/2/cpu/0 = "" (n0,r2)
> /local/domain/2/cpu/0/availability = "online" (n0,r2)
> /local/domain/2/cpu/1 = "" (n0,r2)
> /local/domain/2/cpu/1/availability = "online" (n0,r2)
> /local/domain/2/memory = "" (n0,r2)
> /local/domain/2/memory/static-max = "1048576" (n0,r2)
> /local/domain/2/memory/target = "1048577" (n0,r2)
> /local/domain/2/memory/videoram = "-1" (n0,r2)
> /local/domain/2/device = "" (n0,r2)
> /local/domain/2/device/suspend = "" (n0,r2)
> /local/domain/2/device/suspend/event-channel = "" (n2)
> /local/domain/2/device/vif = "" (n0,r2)
> /local/domain/2/device/vif/0 = "" (n2,r1)
> /local/domain/2/device/vif/0/backend = "/local/domain/1/backend/vif/2/0"
> (n2,r1)
> /local/domain/2/device/vif/0/backend-id = "1" (n2,r1)
> /local/domain/2/device/vif/0/state = "6" (n2,r1)
> /local/domain/2/device/vif/0/handle = "0" (n2,r1)
> /local/domain/2/device/vif/0/mac = "00:16:3e:07:df:91" (n2,r1)
> /local/domain/2/device/vif/0/xdp-headroom = "0" (n2,r1)
> /local/domain/2/control = "" (n0,r2)
> /local/domain/2/control/shutdown = "" (n2)
> /local/domain/2/control/feature-poweroff = "1" (n2)
> /local/domain/2/control/feature-reboot = "1" (n2)
> /local/domain/2/control/feature-suspend = "" (n2)
> /local/domain/2/control/sysrq = "" (n2)
> /local/domain/2/control/platform-feature-multiprocessor-suspend = "1"
> (n0,r2)
> /local/domain/2/control/platform-feature-xs_reset_watches = "1" (n0,r2)
> /local/domain/2/data = "" (n2)
> /local/domain/2/drivers = "" (n2)
> /local/domain/2/feature = "" (n2)
> /local/domain/2/attr = "" (n2)
> /local/domain/2/error = "" (n2)
> /local/domain/2/error/device = "" (n2)
> /local/domain/2/error/device/vif = "" (n2)
> /local/domain/2/error/device/vif/0 = "" (n2)
> /local/domain/2/error/device/vif/0/error = "1 allocating event channel"
> (n2)
That's the real error. Your guest netfront fails to allocate the event
channel. Do you get any messages in the guest dmesg after trying to
attach the network interface?
Does the same happen if you don't use a driver domain and run the
backend in dom0?
Regards, Roger.
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