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Lately i've been trying to run Xen (ver. 4.19, but with 4.20 the same problem arises) on the latest Altera SoC FPGA Agilex5 065B card (ARM64 architecture), with a custom yocto linux as a Domain0 (kernel ver. 6.12.11, same for the DomUs), but with intentions
of using a UbuntuServer in the future for the DomUs. I can run these new domains no problem, unless I try to add a 'disk' or 'vif' device. I've tried both files and disk partitions for the disk device, but neither seem to work. These domains are also minimal
yocto linux images for ARM64.
This is my test domains config file:
##################################################
name = "dom1"
kernel = "Image"
ramdisk = "custom.rootfs.cpio.gz"
#disk = ["file:/etc/xen/qemudisk.img,raw:xvda,rw"]
#disk = ["file:/etc/xen/custom.rootfs.cpio.gz,xvda,rw"]
#vif=[‘bridge=xenbr0’]
extra = "root=/dev/ram0 init=/bin/sh console=hvc0 rdinit=/sbin/init"
memory = 4096
##################################################
And when trying to add disk device or a vif interface the next error happens:
libxl: error: libxl_device.c:1194:device_backend_callback: Domain 9:unable to add device with path /local/domain/0/backend/vbd/9/51712 - rc -9
libxl: error: libxl_create.c:1707:domcreate_launch_dm: Domain 9:unable to add disk devices
libxl: error: libxl_device.c:1194:device_backend_callback: Domain 9:unable to remove device with path /local/domain/0/backend/vbd/9/51712 - rc -9
libxl: error: libxl_domain.c:1526:devices_destroy_cb: Domain 9:libxl__devices_destroy failed
libxl: error: libxl_domain.c:354:libxl_domain_info: Domain 9:Getting domain info: No such process
libxl: error: libxl_domain.c:1179:libxl__destroy_domid: Domain 9:Non-existant domain
libxl: error: libxl_domain.c:1133:domain_destroy_callback: Domain 9:Unable to destroy guest
libxl: error: libxl_domain.c:1060:domain_destroy_cb: Domain 9:Destruction of domain failed
The error is the same for disk and vif devices, except that where 'disk' appears is 'vif' instead.
I dont know if its useful, but the result of the xenstore-ls command is the following:
root@agilex5_dk_a5e065bb32aes1:/etc/xen# xenstore-ls
tool = ""
xenstored = ""
local = ""
domain = ""
0 = ""
control = ""
feature-poweroff = "1"
feature-reboot = "1"
feature-suspend = "1"
domid = "0"
name = "Domain-0"
device-model = ""
0 = ""
backends = ""
vkbd = ""
vfb = ""
state = "running"
backend = ""
qnic = ""
0 = ""
1 = ""
frontend = "/local/domain/0/device/vif/1"
frontend-id = "0"
hotplug-status = "connected"
_online_ = "1"
state = "4"
feature-rx-copy = "1"
feature-rx-flip = "0"
device = ""
vif = ""
1 = ""
backend = "/local/domain/0/backend/qnic/0/1"
backend-id = "0"
state = "4"
mac = "52:54:00:12:34:56"
tx-ring-ref = "520"
rx-ring-ref = "521"
event-channel = "5"
request-rx-copy = "1"
feature-rx-notify = "1"
feature-sg = "1"
feature-gso-tcpv4 = "1"
feature-gso-tcpv6 = "1"
feature-ipv6-csum-offload = "1"
pool = ""
0 = ""
name = "Pool-0"
vm = ""
libxl = ""
Thanks in advance,
Asier
Asier Alaña Alvarez de Eulate
Control & Monitoring Systems AD
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+34 944039600
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Parque Tecnológico de Bizkaia, Edificio 106
48170, Zamudio, Spain
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