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Re: Problem creating domU guest on arm64
Hi all, I did several attempts but I have always problems with disk backend setup during creation of domU domain. The latest attempt was using deban arm64 image with this configuration: memory = 512
name = "debian"
vcpus = 1
maxvcpus = 1 kernel = "/home/xen/vmlinuz"
ramdisk = "/home/xen/initrd.img"
disk = ["phy:/dev/loop0,xvda,rw"]
extra = "root=/dev/xvda rw console=hvc0 earlyprintk=xen" kernel and ramdisk boot up successfully and I can attach to the domU console, but when I try to define the disk backend with the debian rootfs the creation of the domain fails. rootfs is attached to loop device as follow: losetup /dev/loop0 /home/xen/rootfs.img I attached to this mail the verbose trace of the command xl create Thanks a lot in advance for any kind of help
Hi all,
I'm facing always the same problem (described below) trying to create a Xen guest domain on rockpro64 (arm64).
I have successfully built uboot, xen (4.14.4) and dom0 linux kernel with xen tool stack, these two last starting from buildroot (with linux kernel version 5.15.33 and xen toolstack version 4.14.4)
These are the process of Xen:
177 root /usr/sbin/xenwatchdogd 30 15
203 root /usr/sbin/xenstored --pid-file /var/run/xen/xenstored.pid
208 root /usr/sbin/xenconsoled --pid-file=/var/run/xen/xenconsoled.pid
214 root /usr/lib/xen/bin/qemu-system-i386 -xen-domid 0 -xen-attach -name dom0 -nographic -M xenpv -daemonize -monitor /dev/null -serial/dev/nul -parallel/dev/null -pidfile/var/run/xen/qemu-dom0.pid
and the drivers loaded as a module:
# lsmod
Module Size Used by Tainted: G
xen_netback 65536 0
xen_blkback 49152 0
Xen and dom0 Image boot up successfully, at the end:
================================================
>xl list
Name ID Mem VCPUs State Time(s)
Domain-0 0 1024 2 r----- 4000.3
# uname -a
Linux rockpro64 5.15.33 #3 SMP PREEMPT Fri Apr 15 11:01:37 CEST 2022 aarch64 GNU/Linux
================================================
when I try to create a domU domain I have problem with disk backend, I have made several attempts trying with different domU linux and I always get the following error :
================================================
Parsing config from ./alpine_xen_domu.config
libxl: error: libxl_aoutils.c:539:async_exec_timeout: killing execution of /etc/xen/scripts/block add because of timeout
libxl: error: libxl_create.c:1608:domcreate_launch_dm: Domain 2:unable to add disk devices
libxl: error: libxl_aoutils.c:539:async_exec_timeout: killing execution of /etc/xen/scripts/block remove because of timeout
libxl: error: libxl_domain.c:1182:libxl__destroy_domid: Domain 2:Non-existant domain
libxl: error: libxl_domain.c:1136:domain_destroy_callback: Domain 2:Unable to destroy guest
libxl: error: libxl_domain.c:1063:domain_destroy_cb: Domain 2:Destruction of domain failed
================================================
The last try was with alpine domU linux with the following config:
================================================
# Alpine Linux PV DomU
# Kernel paths for install
kernel = "/home/xen/vmlinuz-virt"
ramdisk = "/home/xen/initramfs-virt"
extra="modules=loop,squashfs console=hvc0"
# Path to HDD and iso file
disk = [ 'format=raw, vdev=xvda, access=w, target=/data/a1.img',
'format=raw, vdev=xvdc, access=r, devtype=cdrom, target=/home/xen/alpine-virt-3.15.3-armv7.iso' ]
# Network configuration
vif = ['bridge=br0']
# DomU settings
memory = 512
name = "alpine-a1"
vcpus = 1
maxvcpus = 1
================================================
thanks a lot in advance
Best regards
Marco
Attachment:
xl_create_trace.txt
Description: Text document
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