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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 15:52:46 +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 14:53:03 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, Mar 07, 2022 at 03:20:22PM +0100, Andrea Stevanato wrote:
> On 3/7/2022 12:46 PM, Roger Pau Monné wrote:
> > 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?
>
> Just these two lines:
>
> [ 389.453390] vif vif-0: 1 allocating event channel
> [ 389.804135] vif vif-0: 1 allocating event channel
Are you perhaps using some kind flask/xsm policy different from the
defaults?
Regards, Roger.
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