>dpkg -l | grep -P '^ii|^hi' | grep -P 'qemu|xen'
ii libxen-4.17:amd64 4.17~rc3-1+ub20u04.1 amd64 Public libs for Xen
ii libxenstore4.0:amd64 4.17~rc3-1+ub20u04.1 amd64 Xenstore communications library for Xen
ii libxentoolcore1:amd64 4.17~rc3-1+ub20u04.1 amd64 helper for qemu & libxenstore
ii qemuu 7.0.0+rc3-1+ub20u04.1 amd64 qemu-system-i386 (7.0.0/xen-4.17) with 9pfs support
ii xen-hypervisor-4.17-amd64 4.17~rc3-1+ub20u04.1 amd64 Xen Hypervisor on AMD64
ii xen-system-amd64 4.17~rc3-1+ub20u04.1 amd64 Xen System on AMD64 (meta-package)
ii xen-utils-4.17 4.17~rc3-1+ub20u04.1 amd64 XEN administrative tools
ii xen-utils-common 4.17~rc3-1+ub20u04.1 all Xen administrative tools - common files
ii xenstore-utils 4.17~rc3-1+ub20u04.1 amd64 Xenstore command line utilities for Xen
>dpkg-deb -I xen-utils-common_4.17~rc3-1+ub20u04.1_all.deb
new Debian package, version 2.0.
size 258508 bytes: control archive=4192 bytes.
1128 bytes, 39 lines conffiles
524 bytes, 15 lines control
5990 bytes, 74 lines md5sums
7370 bytes, 161 lines * postinst #!/bin/sh
1805 bytes, 56 lines * postrm #!/bin/sh
298 bytes, 23 lines * preinst #!/bin/sh
331 bytes, 7 lines * prerm #!/bin/sh
Package: xen-utils-common
Source: xen
Version: 4.17~rc3-1+ub20u04.1
Architecture: all
Maintainer: Debian Xen Team
Installed-Size: 491
Depends: lsb-base, python3, udev, xenstore-utils, ucf
Section: kernel
Priority: optional
Description: Xen administrative tools - common files
The userspace tools to manage a system virtualized through the Xen virtual
machine monitor.
.
This package is only required on the host system (Domain 0) and not on the
virtual guest systems (Domain U).
>dpkg-deb -I qemuu_7.0.0+rc3-1+ub20u04.1_amd64.deb
new Debian package, version 2.0.
size 20005440 bytes: control archive=11824 bytes.
1579 bytes, 12 lines control
35308 bytes, 422 lines md5sums
Package: qemuu
Source: xen (4.17~rc3-1+ub20u04.1)
Version: 7.0.0+rc3-1+ub20u04.1
Architecture: amd64
Maintainer: Debian Xen Team
Installed-Size: 274373
Depends: libaio1 (>= 0.3.93), libasound2 (>= 1.0.16), libbpf0 (>= 1:0.0.8), libbrlapi0.7, libbz2-1.0, libc6 (>= 2.29), libcacard0 (>= 2.2), libcap-ng0 (>= 0.7.9), libcurl3-gnutls (>= 7.16.3), libepoxy0 (>= 1.3), libfdt1 (>= 1.5.1), libfuse3-3 (>= 3.2.3), libgbm1 (>= 12.0.0~0), libgcc-s1 (>= 4.7), libgfapi0 (>= 7.2), libglib2.0-0 (>= 2.43.2), libgnutls30 (>= 3.6.12), libibverbs1 (>= 28), libiscsi7 (>= 1.18.0), libjpeg8 (>= 8c), liblzo2-2 (>= 2.02), libncursesw6 (>= 6), libnettle7, libnfs13 (>= 1.11.0), libnuma1 (>= 2.0.11), libpixman-1-0 (>= 0.19.6), libpng16-16 (>= 1.6.2-1), libpulse0 (>= 0.99.1), librados2 (>= 0.72.2), librbd1 (>= 15.2.16-0ubuntu0.20.04.1), librdmacm1 (>= 1.0.15), libsasl2-2 (>= 2.1.27+dfsg), libsdl2-2.0-0 (>= 2.0.10), libsdl2-image-2.0-0 (>= 2.0.2), libseccomp2 (>= 2.1.0), libselinux1 (>= 1.32), libslirp0 (>= 4.0.0), libspice-server1 (>= 0.14.2), libssh-4 (>= 0.8.4), libtinfo6 (>= 6), libudev1 (>= 183), liburing1 (>= 0.7), libusb-1.0-0 (>= 2:1.0.23~), libusbredirparser1 (>= 0.6), libvdeplug2, libvirglrenderer1 (>= 0.8.2), libxen-4.17 (>= 4.17~rc3), libxenstore4.0 (>= 4.17~rc3), libxentoolcore1 (>= 4.17~rc3), libxkbcommon0 (>= 0.5.0), libzstd1 (>= 1.3.8), zlib1g (>= 1:1.2.0)
Provides: qemu-system-i386
Section: admin
Priority: optional
Description: qemu-system-i386 (7.0.0/xen-4.17) with 9pfs support
Warning: This is a custom testing build of Xen.
>cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.3 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
>cat /etc/debian_version
bullseye/sid
>xl dmesg | head -n135
__ __ _ _ _ _____ /\/| _____
\ \/ /___ _ __ | || | / |___ |/\/_ __ ___|___ /
\ // _ \ '_ \ | || |_ | | / / | '__/ __| |_ \
/ \ __/ | | | |__ _|| | / / | | | (__ ___) |
/_/\_\___|_| |_| |_|(_)_|/_/ |_| \___|____/
(XEN) Xen version 4.17~rc3 (pbuser@hldns.com) (gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0) debug=n Mon Nov 7 07:45:48 PST 2022
(XEN) Latest ChangeSet: 37f82facd62f72-xen/sched: migrate timers to correct cpus after suspend-Fri 4 Nov 2022 01:03
(XEN) build-id: b48ac70630533e709a21614f6cff89441ae2decc
(XEN) Bootloader: GNU GRUB 0.97
(XEN) Command line: dom0_mem=700M,max:748M dom0_max_vcpus=4 guest_loglvl=all loglvl=all sched=credit2 xsave=0 cpufreq=none console=vga vga=gfx-1280x1024x16 conring_size=48k xpti=false ucode=scan
(XEN) Xen image load base address: 0
(XEN) Video information:
(XEN) VGA is graphics mode 1280x1024, 16 bpp
(XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds
(XEN) EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN) Found 3 MBR signatures
(XEN) Found 3 EDD information structures
(XEN) CPU Vendor: Intel, Family 6 (0x6), Model 23 (0x17), Stepping 7 (raw 00010677)
(XEN) Xen-e820 RAM map:
(XEN) [0000000000000000, 000000000009dbff] (usable)
(XEN) [000000000009f800, 000000000009ffff] (reserved)
(XEN) [00000000000f0000, 00000000000fffff] (reserved)
(XEN) [0000000000100000, 00000000dfedffff] (usable)
(XEN) [00000000dfee0000, 00000000dfee1fff] (ACPI NVS)
(XEN) [00000000dfee2000, 00000000dfeeffff] (ACPI data)
(XEN) [00000000dfef0000, 00000000dfefffff] (reserved)
(XEN) [00000000f4000000, 00000000f7ffffff] (reserved)
(XEN) [00000000fec00000, 00000000ffffffff] (reserved)
(XEN) [0000000100000000, 000000021fffffff] (usable)
(XEN) New Xen image base address: 0xdf800000
(XEN) ACPI: RSDP 000F7100, 0014 (r0 GBT )
(XEN) ACPI: RSDT DFEE2040, 003C (r1 GBT GBTUACPI 42302E31 GBTU 1010101)
(XEN) ACPI: FACP DFEE20C0, 0074 (r1 GBT GBTUACPI 42302E31 GBTU 1010101)
(XEN) ACPI: DSDT DFEE2180, 4C86 (r1 GBT GBTUACPI 1000 MSFT 100000C)
(XEN) ACPI: FACS DFEE0000, 0040
(XEN) ACPI: HPET DFEE6F80, 0038 (r1 GBT GBTUACPI 42302E31 GBTU 98)
(XEN) ACPI: MCFG DFEE7000, 003C (r1 GBT GBTUACPI 42302E31 GBTU 1010101)
(XEN) ACPI: EUDS DFEE7040, 0000 (r1 GBT 0 0)
(XEN) ACPI: TAMG DFEE7560, 6852 (r1 GBT GBT B0 5455312E BG 20101)
(XEN) ACPI: APIC DFEE6E80, 0084 (r1 GBT GBTUACPI 42302E31 GBTU 1010101)
(XEN) System RAM: 8190MB (8387060kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-0000000220000000
(XEN) Domain heap initialised
(XEN) Allocated console ring of 64 KiB.
(XEN) vesafb: framebuffer at 0x00000000e0000000, mapped to 0xffff82c000201000, using 4096k, total 262144k
(XEN) vesafb: mode is 1280x1024x16, linelength=2560, font 8x16
(XEN) vesafb: Truecolor: size=0:5:6:5, shift=0:11:5:0
(XEN) found SMP MP-table at 000f5700
(XEN) DMI 2.4 present.
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x408 (24 bits)
(XEN) ACPI: SLEEP INFO: pm1x_cnt[1:404,1:0], pm1x_evt[1:400,1:0]
(XEN) ACPI: wakeup_vec[dfee000c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) ACPI: HPET id: 0x8086a201 base: 0xfed00000
(XEN) PCI: MCFG configuration 0: base f4000000 segment 0000 buses 00 - 3f
(XEN) PCI: MCFG area at f4000000 reserved in E820
(XEN) PCI: Using MCFG for segment 0000 bus 00-3f
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) SMP: Allowing 4 CPUs (0 hotplug CPUs)
(XEN) IRQ limits: 24 GSI, 808 MSI/MSI-X
(XEN) microcode: CPU0 updated from revision 0x705 to 0x70a, date = 2010-09-29
(XEN) CPU0: 2333 ... 2667 MHz
(XEN) CPU0: Intel machine check reporting enabled
(XEN) Unrecognised CPU model 0x17 - assuming vulnerable to LazyFPU
(XEN) Unrecognised CPU model 0x17 - assuming vulnerable to MDS
(XEN) Speculative mitigation facilities:
(XEN) Hardware hints:
(XEN) Hardware features:
(XEN) Compiled-in support: INDIRECT_THUNK SHADOW_PAGING
(XEN) Xen settings: BTI-Thunk RETPOLINE, SPEC_CTRL: No, Other: BRANCH_HARDEN
(XEN) L1TF: believed vulnerable, maxphysaddr L1D 36, CPUID 36, Safe address c00000000
(XEN) Support for HVM VMs: RSB EAGER_FPU
(XEN) Support for PV VMs: RSB EAGER_FPU
(XEN) XPTI (64-bit PV only): Dom0 disabled, DomU disabled (without PCID)
(XEN) PV L1TF shadowing: Dom0 disabled, DomU enabled
(XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2)
(XEN) Initializing Credit2 scheduler
(XEN) load_precision_shift: 18
(XEN) load_window_shift: 30
(XEN) underload_balance_tolerance: 0
(XEN) overload_balance_tolerance: -3
(XEN) runqueues arrangement: socket
(XEN) cap enforcement granularity: 10ms
(XEN) load tracking window length 1073741824 ns
(XEN) Platform timer is 14.318MHz HPET
(XEN) Detected 2666.363 MHz processor.
(XEN) Freed 1024kB unused BSS memory
(XEN) alt table ffff82d04045a150 -> ffff82d04046719e
(XEN) I/O virtualisation disabled
(XEN) nr_sockets: 1
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) mwait-idle: does not run on family 6 model 23
(XEN) VMX: Supported advanced features:
(XEN) - APIC MMIO access virtualisation
(XEN) - APIC TPR shadow
(XEN) - Virtual NMI
(XEN) - MSR direct-access bitmap
(XEN) HVM: ASIDs disabled.
(XEN) HVM: VMX enabled
(XEN) HVM: Hardware Assisted Paging (HAP) not detected
(XEN) alt table ffff82d04045a150 -> ffff82d04046719e
(XEN) microcode: CPU1 updated from revision 0x705 to 0x70a, date = 2010-09-29
(XEN) microcode: CPU2 updated from revision 0x705 to 0x70a, date = 2010-09-29
(XEN) microcode: CPU3 updated from revision 0x705 to 0x70a, date = 2010-09-29
(XEN) Brought up 4 CPUs
(XEN) Scheduling granularity: cpu, 1 CPU per sched-resource
(XEN) Initializing Credit2 scheduler
(XEN) load_precision_shift: 18
(XEN) load_window_shift: 30
(XEN) underload_balance_tolerance: 0
(XEN) overload_balance_tolerance: -3
(XEN) runqueues arrangement: socket
(XEN) cap enforcement granularity: 10ms
(XEN) load tracking window length 1073741824 ns
(XEN) Adding cpu 0 to runqueue 0
(XEN) First cpu on runqueue, activating
(XEN) Adding cpu 1 to runqueue 0
(XEN) Adding cpu 2 to runqueue 0
(XEN) Adding cpu 3 to runqueue 0
(XEN) mcheck_poll: Machine check polling timer started.
(XEN) HPET: 0 timers usable for broadcast (4 total)
>brctl show
bridge name bridge id STP enabled interfaces
br0 8000.00241d23f6ed no eth0
vif1.0
vif2.0
vif3.0
vif4.0
vif5.0
vif6.0
>qemu-system-i386 -version
QEMU emulator version 7.0.0
Copyright (c) 2003-2022 Fabrice Bellard and the QEMU Project developers
>gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:hsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.3.0-10ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)
>systemctl status lvm2-pvscan@8:39.service
● lvm2-pvscan@8:39.service - LVM event activation on device 8:39
Loaded: loaded (/lib/systemd/system/lvm2-pvscan@.service; static; vendor preset: enabled)
Active: active (exited) since Tue 2022-11-08 10:48:38 PST; 4min 18s ago
Docs: man:pvscan(8)
Process: 325 ExecStart=/sbin/lvm pvscan --cache --activate ay 8:39 (code=exited, status=0/SUCCESS)
Main PID: 325 (code=exited, status=0/SUCCESS)
Nov 08 10:48:29 xen2004 systemd[1]: Starting LVM event activation on device 8:39...
Nov 08 10:48:29 xen2004 lvm[325]: pvscan[325] PV /dev/sdc7 online, VG maxvm is complete.
Nov 08 10:48:29 xen2004 lvm[325]: pvscan[325] VG maxvm run autoactivation.
Nov 08 10:48:38 xen2004 lvm[325]: 64 logical volume(s) in volume group "maxvm" now active
Nov 08 10:48:38 xen2004 systemd[1]: Finished LVM event activation on device 8:39.
>systemctl status dnsmasq
>systemctl status xendomains
● xendomains.service - Xendomains - start and stop guests on boot and shutdown
Loaded: loaded (/lib/systemd/system/xendomains.service; enabled; vendor preset: enabled)
Drop-In: /etc/systemd/system/xendomains.service.d
└─override.conf
Active: active (exited) since Tue 2022-11-08 10:48:59 PST; 3min 56s ago
Process: 1067 ExecStartPre=/bin/grep -q control_d /proc/xen/capabilities (code=exited, status=0/SUCCESS)
Process: 1068 ExecStartPre=/sbin/lvm pvscan --cache --activate ay 8:39 (code=exited, status=0/SUCCESS)
Process: 1077 ExecStart=/usr/lib/xen-4.17/bin/xendomains start (code=exited, status=0/SUCCESS)
Main PID: 1077 (code=exited, status=0/SUCCESS)
Tasks: 12 (limit: 676)
Memory: 7.3M
CGroup: /system.slice/xendomains.service
├─1797 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/a_ub2004
├─2174 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/b_al8pv
├─2576 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/c_fc34min
├─2933 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/d_ub2204
├─3502 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/e_fc35min
└─3870 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/f_pvbully
Nov 08 10:48:58 xen2004 root[3810]: /etc/xen/scripts/block: Writing backend/vbd/6/51728/hotplug-status connected to xenstore.
Nov 08 10:48:58 xen2004 root[3828]: /etc/xen/scripts/vif-bridge: online type_if=vif XENBUS_PATH=backend/vif/6/0
Nov 08 10:48:58 xen2004 root[3848]: /etc/xen/scripts/vif-bridge: br0 MTU is 1500
Nov 08 10:48:58 xen2004 root[3849]: /etc/xen/scripts/vif-bridge: setting vif6.0 MTU to 1500
Nov 08 10:48:58 xen2004 root[3851]: /etc/xen/scripts/vif-bridge: Writing /local/domain/6/device/vif/0/mtu 1500 to xenstore.
Nov 08 10:48:58 xen2004 root[3853]: /etc/xen/scripts/vif-bridge: adding vif6.0 to bridge br0
Nov 08 10:48:58 xen2004 root[3866]: /etc/xen/scripts/vif-bridge: Successful vif-bridge online for vif6.0, bridge br0.
Nov 08 10:48:58 xen2004 root[3867]: /etc/xen/scripts/vif-bridge: Writing backend/vif/6/0/hotplug-status connected to xenstore.
Nov 08 10:48:59 xen2004 xendomains[1077]: Starting auto Xen domains: a_ub2004 b_al8pv c_fc34min d_ub2204 e_fc35min f_pvbully * [done]
Nov 08 10:48:59 xen2004 systemd[1]: Finished Xendomains - start and stop guests on boot and shutdown.
>xl info
host : xen2004
release : 5.15.0-50-generic
version : #56~20.04.1-Ubuntu SMP Tue Sep 27 15:51:29 UTC 2022
machine : x86_64
nr_cpus : 4
max_cpu_id : 3
nr_nodes : 1
cores_per_socket : 4
threads_per_core : 1
cpu_mhz : 2666.363
hw_caps : bfebfbff:0008e3fd:20100800:00000001:00000000:00000000:00000000:00000000
virt_caps : pv hvm shadow gnttab-v1 gnttab-v2 assisted_xapic
total_memory : 8190
free_memory : 219
sharing_freed_memory : 0
sharing_used_memory : 0
outstanding_claims : 0
free_cpus : 0
xen_major : 4
xen_minor : 17
xen_extra : ~rc3
xen_version : 4.17~rc3
xen_caps : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler : credit2
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : 37f82facd62f72-xen/sched: migrate timers to correct cpus after
xen_commandline : dom0_mem=700M,max:748M dom0_max_vcpus=4 guest_loglvl=all loglvl=all sched=credit2 xsave=0 cpufreq=none console=vga vga=gfx-1280x1024x16 conring_size=48k xpti=false ucode=scan
cc_compiler : gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
cc_compile_by : pbuser
cc_compile_domain : hldns.com
cc_compile_date : Mon Nov 7 07:45:48 PST 2022
build_id : b48ac70630533e709a21614f6cff89441ae2decc
xend_config_format : 4
>xl list
Name ID Mem VCPUs State Time(s)
Domain-0 0 700 4 r----- 29.9
ub2004 1 1804 4 -b---- 10.2
al8pv 2 1654 4 -b---- 14.1
fc35conv 3 1648 4 -b---- 12.3
ub2204 4 560 4 -b---- 8.5
fc35min 5 1134 4 -b---- 13.2
pvbully 6 384 2 -b---- 9.3
>iptables -S -t nat
-P PREROUTING ACCEPT
-P INPUT ACCEPT
-P OUTPUT ACCEPT
-P POSTROUTING ACCEPT
>systemctl list-unit-files | grep "enabled enabled" | sort
autovt@.service enabled enabled
blk-availability.service enabled enabled
console-setup.service enabled enabled
cron.service enabled enabled
dbus-org.freedesktop.resolve1.service enabled enabled
dbus-org.freedesktop.timesync1.service enabled enabled
dmesg.service enabled enabled
dm-event.socket enabled enabled
fstrim.timer enabled enabled
getty@.service enabled enabled
grub-common.service enabled enabled
grub-initrd-fallback.service enabled enabled
haveged.service enabled enabled
irqbalance.service enabled enabled
logrotate.timer enabled enabled
lvm2-lvmpolld.socket enabled enabled
lvm2-monitor.service enabled enabled
networking.service enabled enabled
ondemand.service enabled enabled
remote-fs.target enabled enabled
rsync.service enabled enabled
rsyslog.service enabled enabled
setvtrgb.service enabled enabled
sshd.service enabled enabled
ssh.service enabled enabled
syslog.service enabled enabled
systemd-pstore.service enabled enabled
systemd-resolved.service enabled enabled
systemd-timesyncd.service enabled enabled
uuidd.socket enabled enabled
xenconsoled.service enabled enabled
xendomains.service enabled enabled
xen-init-dom0.service enabled enabled
xen-qemu-dom0-disk-backend.service enabled enabled
xenstored.service enabled enabled
xen-watchdog.service enabled enabled
>ps aux | grep xen
root 43 0.0 0.0 0 0 ? S 10:48 0:00 [xenbus]
root 44 0.0 0.0 0 0 ? S 10:48 0:00 [xenwatch]
root 99 0.0 0.0 0 0 ? S 10:48 0:00 [xen-balloon]
root 788 0.3 0.6 6344 3620 ? S 10:48 0:00 /usr/sbin/xenstored --pid-file /var/run/xen/xenstored.pid
root 806 0.0 0.4 68936 2424 ? Ssl 10:48 0:00 /usr/sbin/xenconsoled -i --log=none --log-dir=/var/log/xen/console
root 1154 0.0 2.7 247604 16176 ? Sl 10:48 0:00 /usr/bin/qemu-system-i386 -xen-domid 0 -xen-attach -name dom0 -nographic -M xenpv -daemonize -monitor /dev/null -serial /dev/null -parallel /dev/null -nodefaults -no-user-config -pidfile /var/run/xen/qemu-dom0.pid
root 1797 0.0 0.4 72176 2728 ? Ssl 10:48 0:00 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/a_ub2004
root 2174 0.0 0.4 72176 2752 ? Ssl 10:48 0:00 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/b_al8pv
root 2576 0.0 0.4 72176 2760 ? Ssl 10:48 0:00 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/c_fc34min
root 2933 0.0 0.4 72176 2564 ? Ssl 10:48 0:00 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/d_ub2204
root 3502 0.0 0.4 72176 2728 ? Ssl 10:48 0:00 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/e_fc35min
root 3870 0.0 0.4 72176 2708 ? Ssl 10:48 0:00 /usr/lib/xen-4.17/bin/xl create --quiet --defconfig /etc/xen/auto/f_pvbully
root 3883 0.0 0.0 2992 176 ? Ss 10:48 0:00 /usr/sbin/xenwatchdogd 30 15
root 4043 0.0 0.7 12180 4616 pts/6 S+ 10:52 0:00 sudo ./dump_xen_trace.multi tlviewer
root 4044 0.0 0.3 2616 1788 pts/6 S+ 10:52 0:00 sh ./dump_xen_trace.multi tlviewer
root 4109 0.0 0.1 9348 724 pts/6 S+ 10:52 0:00 grep xen
>cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
#source-directory /etc/network/interfaces.d
# The loopback network interface
auto lo
iface lo inet loopback
iface eth0 inet manual
auto br0
iface br0 inet static
address 192.168.1.9
netmask 255.255.255.0
network 192.168.1.0
gateway 192.168.1.1
accept_ra 0
preferred-lifetime 200000
bridge_ports eth0
bridge_fd 0
bridge_maxwait 1
dns-nameservers 1.1.1.1 4.2.2.2 8.8.4.4
dns-search 192.168.1.1
source-directory interfaces.d
>cat /etc/network/interfaces.d/virbr0
>systemd-analyze time
Startup finished in 7.688s (kernel) + 37.463s (userspace) = 45.152s
multi-user.target reached after 37.446s in userspace
>systemd-analyze blame
19.620s ifupdown-pre.service
16.397s lvm2-pvscan@8:21.service
13.468s xendomains.service
8.733s lvm2-pvscan@8:39.service
5.756s xen-init-dom0.service
2.931s dev-sdb12.device
2.662s data2.mount
2.283s data3.mount
1.608s xenstored.service
1.357s systemd-resolved.service
1.247s data4.mount
1.183s systemd-logind.service
928ms rsyslog.service
907ms networking.service
900ms kexec.service
838ms grub-common.service
808ms user@1000.service
542ms dev-mqueue.mount
541ms proc-xen.mount
532ms sys-kernel-debug.mount
523ms sys-kernel-tracing.mount
497ms blk-availability.service
492ms ssh.service
489ms kmod-static-nodes.service
481ms lvm2-monitor.service
472ms dev-sda3.swap
471ms modprobe@drm.service
454ms systemd-journald.service
353ms systemd-modules-load.service
328ms systemd-udev-trigger.service
305ms xenconsoled.service
300ms grub-initrd-fallback.service
274ms systemd-sysusers.service
263ms systemd-udevd.service
259ms systemd-random-seed.service
193ms systemd-sysctl.service
158ms systemd-timesyncd.service
144ms systemd-tmpfiles-setup-dev.service
125ms systemd-remount-fs.service
118ms systemd-tmpfiles-setup.service
78ms setvtrgb.service
66ms xen-watchdog.service
64ms console-setup.service
57ms sys-fs-fuse-connections.mount
55ms sys-kernel-config.mount
52ms rc-local.service
47ms systemd-journal-flush.service
43ms systemd-update-utmp.service
32ms plymouth.service
20ms systemd-user-sessions.service
19ms kexec-load.service
18ms user-runtime-dir@1000.service
13ms systemd-update-utmp-runlevel.service
12ms xen-qemu-dom0-disk-backend.service
>grep XEN_ /boot/config-5.15.0-50-generic | sort
CONFIG_DRM_XEN_FRONTEND=m
CONFIG_HVC_XEN_FRONTEND=y
CONFIG_INPUT_XEN_KBDDEV_FRONTEND=m
CONFIG_NETXEN_NIC=m
CONFIG_SND_XEN_FRONTEND=m
CONFIG_XEN_512GB=y
CONFIG_XEN_ACPI_PROCESSOR=y
CONFIG_XEN_ACPI=y
CONFIG_XEN_AUTO_XLATE=y
CONFIG_XEN_BACKEND=y
CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_BLKDEV_BACKEND=m
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_COMPAT_XENFS=y
# CONFIG_XEN_DEBUG_FS is not set
CONFIG_XEN_DEV_EVTCHN=m
CONFIG_XEN_DOM0=y
CONFIG_XEN_EFI=y
CONFIG_XEN_FBDEV_FRONTEND=m
CONFIG_XEN_FRONT_PGDIR_SHBUF=m
CONFIG_XEN_GNTDEV_DMABUF=y
CONFIG_XEN_GNTDEV=m
CONFIG_XEN_GRANT_DEV_ALLOC=m
CONFIG_XEN_GRANT_DMA_ALLOC=y
CONFIG_XEN_HAVE_PVMMU=y
CONFIG_XEN_HAVE_VPMU=y
CONFIG_XEN_MCE_LOG=y
CONFIG_XEN_MEMORY_HOTPLUG_LIMIT=512
CONFIG_XEN_NETDEV_BACKEND=m
CONFIG_XEN_NETDEV_FRONTEND=y
CONFIG_XEN_PCIDEV_BACKEND=m
CONFIG_XEN_PCIDEV_FRONTEND=m
CONFIG_XEN_PRIVCMD=m
# CONFIG_XEN_PVCALLS_BACKEND is not set
CONFIG_XEN_PVCALLS_FRONTEND=m
CONFIG_XEN_PV_DOM0=y
CONFIG_XEN_PVHVM_GUEST=y
CONFIG_XEN_PVHVM_SMP=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_PVH=y
CONFIG_XEN_PV_SMP=y
CONFIG_XEN_PV=y
CONFIG_XEN_SAVE_RESTORE=y
CONFIG_XEN_SCRUB_PAGES_DEFAULT=y
CONFIG_XEN_SCSI_BACKEND=m
CONFIG_XEN_SCSI_FRONTEND=m
CONFIG_XEN_SYMS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_UNPOPULATED_ALLOC=y
CONFIG_XEN_WDT=m
CONFIG_XEN_XENBUS_FRONTEND=y
>lsmod
Module Size Used by
iptable_nat 16384 0
nf_nat 49152 1 iptable_nat
nf_conntrack 172032 1 nf_nat
nf_defrag_ipv6 24576 1 nf_conntrack
nf_defrag_ipv4 16384 1 nf_conntrack
libcrc32c 16384 2 nf_conntrack,nf_nat
br_netfilter 28672 0
xt_physdev 16384 12
iptable_filter 16384 1
bpfilter 16384 0
bridge 307200 1 br_netfilter
stp 16384 1 bridge
llc 16384 2 bridge,stp
ppdev 24576 0
r8169 86016 0
firewire_ohci 53248 0
i2c_i801 36864 0
firewire_core 81920 1 firewire_ohci
pata_acpi 16384 0
i2c_smbus 20480 1 i2c_i801
crc_itu_t 16384 1 firewire_core
realtek 32768 1
pata_jmicron 16384 0
parport_pc 53248 0
floppy 114688 0
parport 69632 2 parport_pc,ppdev
sch_fq_codel 24576 26
xen_pciback 77824 0
xen_netback 77824 12
xen_blkback 53248 40
xen_gntalloc 20480 0
xen_gntdev 36864 2
xen_evtchn 16384 7
drm 618496 0
xenfs 16384 1
xen_privcmd 24576 102 xenfs
ip_tables 32768 2 iptable_filter,iptable_nat
x_tables 53248 4 iptable_filter,xt_physdev,ip_tables,iptable_nat
autofs4 49152 2
psmouse 180224 0
gpio_ich 16384 0
serio_raw 20480 0
lpc_ich 28672 0
ahci 45056 7
libahci 45056 1 ahci
input_leds 16384 0
mac_hid 16384 0
>dmesg | head -n135
[ 0.000000] Linux version 5.15.0-50-generic (buildd@lcy02-amd64-009) (gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #56~20.04.1-Ubuntu SMP Tue Sep 27 15:51:29 UTC 2022 (Ubuntu 5.15.0-50.56~20.04.1-generic 5.15.60)
[ 0.000000] Command line: ro root=/dev/sdb12 earlyprintk=xen net.ifnames=0 noresume selinux=0 ipv6.disable=1 text nopti vsyscall=emulate vga=794 apparmor=0
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Hygon HygonGenuine
[ 0.000000] Centaur CentaurHauls
[ 0.000000] zhaoxin Shanghai
[ 0.000000] x86/fpu: x87 FPU will use FXSAVE
[ 0.000000] signal: max sigframe size: 1440
[ 0.000000] Released 0 page(s)
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009cfff] usable
[ 0.000000] Xen: [mem 0x000000000009f800-0x00000000000fffff] reserved
[ 0.000000] Xen: [mem 0x0000000000100000-0x000000002ec62fff] usable
[ 0.000000] Xen: [mem 0x00000000dfee0000-0x00000000dfee1fff] ACPI NVS
[ 0.000000] Xen: [mem 0x00000000dfee2000-0x00000000dfeeffff] ACPI data
[ 0.000000] Xen: [mem 0x00000000dfef0000-0x00000000dfefffff] reserved
[ 0.000000] Xen: [mem 0x00000000f4000000-0x00000000f7ffffff] reserved
[ 0.000000] Xen: [mem 0x00000000fec00000-0x00000000ffffffff] reserved
[ 0.000000] printk: bootconsole [xenboot0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] DMI: Gigabyte Technology Co., Ltd. EP45-UD3R/EP45-UD3R, BIOS F11 08/31/2009
[ 0.000000] Hypervisor detected: Xen PV
[ 0.034358] tsc: Fast TSC calibration using PIT
[ 0.034361] tsc: Detected 2666.440 MHz processor
[ 0.034364] tsc: Detected 2666.362 MHz TSC
[ 0.039696] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.039702] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.039709] last_pfn = 0x2ec63 max_arch_pfn = 0x400000000
[ 0.039713] Disabled
[ 0.039715] x86/PAT: MTRRs disabled, skipping PAT initialization too.
[ 0.039721] x86/PAT: Configuration [0-7]: WB WT UC- UC WC WP UC UC
[ 0.039788] Kernel/User page tables isolation: disabled on XEN PV.
[ 0.137609] RAMDISK: [mem 0x08000000-0x088ebfff]
[ 0.137633] ACPI: Early table checksum verification disabled
[ 0.141381] ACPI: RSDP 0x00000000000F7100 000014 (v00 GBT )
[ 0.141393] ACPI: RSDT 0x00000000DFEE2040 00003C (v01 GBT GBTUACPI 42302E31 GBTU 01010101)
[ 0.141415] ACPI: FACP 0x00000000DFEE20C0 000074 (v01 GBT GBTUACPI 42302E31 GBTU 01010101)
[ 0.141454] ACPI: DSDT 0x00000000DFEE2180 004C86 (v01 GBT GBTUACPI 00001000 MSFT 0100000C)
[ 0.141466] ACPI: FACS 0x00000000DFEE0000 000040
[ 0.141478] ACPI: HPET 0x00000000DFEE6F80 000038 (v01 GBT GBTUACPI 42302E31 GBTU 00000098)
[ 0.141490] ACPI: MCFG 0x00000000DFEE7000 00003C (v01 GBT GBTUACPI 42302E31 GBTU 01010101)
[ 0.141502] ACPI: EUDS 0x00000000DFEE7040 000000 (v01 GBT 00000000 00000000)
[ 0.141514] ACPI: TAMG 0x00000000DFEE7560 006852 (v01 GBT GBT B0 5455312E BG?? 00020101)
[ 0.141527] ACPI: APIC 0x00000000DFEE6E80 000084 (v01 GBT GBTUACPI 42302E31 GBTU 01010101)
[ 0.141535] ACPI: Reserving FACP table memory at [mem 0xdfee20c0-0xdfee2133]
[ 0.141538] ACPI: Reserving DSDT table memory at [mem 0xdfee2180-0xdfee6e05]
[ 0.141541] ACPI: Reserving FACS table memory at [mem 0xdfee0000-0xdfee003f]
[ 0.141544] ACPI: Reserving HPET table memory at [mem 0xdfee6f80-0xdfee6fb7]
[ 0.141546] ACPI: Reserving MCFG table memory at [mem 0xdfee7000-0xdfee703b]
[ 0.141586] Setting APIC routing to Xen PV.
[ 0.141664] NUMA turned off
[ 0.141667] Faking a node at [mem 0x0000000000000000-0x000000002ec62fff]
[ 0.141682] NODE_DATA(0) allocated [mem 0x2ba91000-0x2babafff]
[ 0.144196] Zone ranges:
[ 0.144199] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.144203] DMA32 [mem 0x0000000001000000-0x000000002ec62fff]
[ 0.144206] Normal empty
[ 0.144209] Device empty
[ 0.144212] Movable zone start for each node
[ 0.144217] Early memory node ranges
[ 0.144218] node 0: [mem 0x0000000000001000-0x000000000009cfff]
[ 0.144221] node 0: [mem 0x0000000000100000-0x000000002ec62fff]
[ 0.144225] Initmem setup node 0 [mem 0x0000000000001000-0x000000002ec62fff]
[ 0.144237] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.144368] On node 0, zone DMA: 99 pages in unavailable ranges
[ 0.151345] On node 0, zone DMA32: 5021 pages in unavailable ranges
[ 0.151365] p2m virtual area at (____ptrval____), size is 40000000
[ 0.507563] Remapped 99 page(s)
[ 0.508015] ACPI: PM-Timer IO Port: 0x408
[ 0.508051] ACPI: LAPIC_NMI (acpi_id[0x00] dfl dfl lint[0x1])
[ 0.508056] ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
[ 0.508059] ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
[ 0.508063] ACPI: LAPIC_NMI (acpi_id[0x03] dfl dfl lint[0x1])
[ 0.508086] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
[ 0.508097] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.508104] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.508118] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.508123] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.509520] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
[ 0.509542] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.509547] PM: hibernation: Registered nosave memory: [mem 0x0009d000-0x0009ffff]
[ 0.509549] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff]
[ 0.509554] [mem 0x2ec63000-0xdfedffff] available for PCI devices
[ 0.509559] Booting kernel on Xen
[ 0.509561] Xen version: 4.17~rc3 (preserve-AD)
[ 0.509569] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[ 0.509582] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1
[ 0.510962] percpu: Embedded 60 pages/cpu s208896 r8192 d28672 u524288
[ 0.510972] pcpu-alloc: s208896 r8192 d28672 u524288 alloc=1*2097152
[ 0.510976] pcpu-alloc: [0] 0 1 2 3
[ 0.511028] xen: PV spinlocks enabled
[ 0.511033] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.511048] Built 1 zonelists, mobility grouping on. Total pages: 188337
[ 0.511052] Policy zone: DMA32
[ 0.511056] Kernel command line: ro root=/dev/sdb12 earlyprintk=xen net.ifnames=0 noresume selinux=0 ipv6.disable=1 text nopti vsyscall=emulate vga=794 apparmor=0
[ 0.511337] Unknown kernel command line parameters "text nopti vga=794", will be passed to user space.
[ 0.511903] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[ 0.512183] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, linear)
[ 0.512469] mem auto-init: stack:off, heap alloc:on, heap free:off
[ 0.644788] software IO TLB: mapped [mem 0x0000000026980000-0x000000002a980000] (64MB)
[ 0.654451] Memory: 577320K/765948K available (16393K kernel code, 4373K rwdata, 10784K rodata, 3228K init, 6580K bss, 188376K reserved, 0K cma-reserved)
[ 0.655016] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.655745] ftrace: allocating 50013 entries in 196 pages
[ 0.682708] ftrace: allocated 196 pages with 3 groups
[ 0.683157] rcu: Hierarchical RCU implementation.
[ 0.683161] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=4.
[ 0.683164] Rude variant of Tasks RCU enabled.
[ 0.683166] Tracing variant of Tasks RCU enabled.
[ 0.683168] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.683170] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[ 0.692153] Using NULL legacy PIC
[ 0.692157] NR_IRQS: 524544, nr_irqs: 456, preallocated irqs: 0
[ 0.692236] xen:events: Using FIFO-based ABI
[ 0.692270] xen: --> pirq=1 -> irq=1 (gsi=1)
[ 0.692281] xen: --> pirq=2 -> irq=2 (gsi=2)
[ 0.692289] xen: --> pirq=3 -> irq=3 (gsi=3)
[ 0.692298] xen: --> pirq=4 -> irq=4 (gsi=4)
[ 0.692307] xen: --> pirq=5 -> irq=5 (gsi=5)
[ 0.692315] xen: --> pirq=6 -> irq=6 (gsi=6)
[ 0.692324] xen: --> pirq=7 -> irq=7 (gsi=7)
[ 0.692332] xen: --> pirq=8 -> irq=8 (gsi=8)
[ 0.692349] xen: --> pirq=9 -> irq=9 (gsi=9)
[ 0.692358] xen: --> pirq=10 -> irq=10 (gsi=10)
[ 0.692367] xen: --> pirq=11 -> irq=11 (gsi=11)
[ 0.692376] xen: --> pirq=12 -> irq=12 (gsi=12)
[ 0.692385] xen: --> pirq=13 -> irq=13 (gsi=13)
[ 0.692394] xen: --> pirq=14 -> irq=14 (gsi=14)
[ 0.692403] xen: --> pirq=15 -> irq=15 (gsi=15)
[ 0.692482] Console: colour dummy device 80x25
[ 0.692488] printk: console [tty0] enabled
[ 0.692492] printk: bootconsole [xenboot0] disabled
[ 0.692731] printk: console [hvc0] enabled
>tree /boot
/boot
├── config-5.15.0-50-generic
├── config-5.3.0-18-generic
├── efi
│ └── EFI
│ └── ubuntu
│ ├── xen-4.17-amd64.efi
│ └── xen-4.17-amd64-xsm.efi
├── flask
│ └── xenpolicy-4.17
├── grub
│ ├── gfxblacklist.txt
│ ├── grub.cfg
│ ├── grubenv
│ ├── menu.lst
│ └── unicode.pf2
├── initrd.img -> initrd.img-5.15.0-50-generic
├── initrd.img-5.15.0-50-generic
├── initrd.img-5.3.0-18-generic
├── initrd.img.old -> initrd.img-5.3.0-18-generic
├── kcfg
│ ├── xen-4.17.config
│ └── xen-4.17-xsm.config
├── System.map-5.15.0-50-generic
├── System.map-5.3.0-18-generic
├── vmlinuz -> vmlinuz-5.15.0-50-generic
├── vmlinuz-5.15.0-50-generic
├── vmlinuz-5.3.0-18-generic
├── vmlinuz.old -> vmlinuz-5.3.0-18-generic
├── xen-4.17-amd64.gz
├── xen-4.17-amd64-xsm.gz
└── xen.gz -> xen-4.17-amd64.gz
6 directories, 25 files
>netstat -an | grep ^tcp
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN
tcp 0 0 192.168.1.9:22 192.168.1.107:60312 ESTABLISHED