>rpm -qa | grep -P '^xen-|^qemu*'
qemuu-img-8.2.0+k2-2.el10.x86_64_v2
qemuu-8.2.0+k2-2.el10.x86_64_v2
xen-licenses-4.20.2-2.el10.x86_64_v2
xen-libs-4.20.2-2.el10.x86_64_v2
xen-hypervisor-4.20.2-2.el10.x86_64_v2
xen-runtime-4.20.2-2.el10.x86_64_v2
xen-4.20.2-2.el10.x86_64_v2
xen-doc-4.20.2-2.el10.x86_64_v2

>rpm -qi --changelog xen | head -n45
Name        : xen
Epoch       : 3
Version     : 4.20.2
Release     : 2.el10
Architecture: x86_64_v2
Install Date: Wed 07 Jan 2026 07:42:18 PM PST
Group       : Development/Libraries
Size        : 458069
License     : GPLv2+ and LGPLv2+ and BSD
Signature   : (none)
Source RPM  : xen-4.20.2-2.el10.src.rpm
Build Date  : Wed 07 Jan 2026 07:16:44 PM PST
Build Host  : al10v3
Packager    : Mark Pryor 
URL         : http://xen.org/
Summary     : Xen is a virtual machine monitor
Description :
This package contains the xendomain script and systemd service file, needed to manage
virtual machines running under the Xen hypervisor
* Wed Jan 07 2026 Mark Pryor  - 3:4.20.2-2.el10
- HEAD @ bb897593b7a73926f453
  x86/amd: Fix race editing DE_CFG-Wed 3 Dec 2025 02:44
- qemuu: revert to v8.2.0
  support vnc in pv domU

* Fri Nov 14 2025 Mark Pryor  - 3:4.20.2-1.el10
- HEAD @ 03299bb3ec817f47
  update Xen version to 4.20.2-Thu 13 Nov 2025 01:51
- initial build of 4.20.2

* Thu Oct 23 2025 Mark Pryor  - 3:4.20.1-4
- HEAD @ e5d643d28a2b8e077ae3
  xen/vpci: fix backport of 53859596c0d3-Wed 22 Oct 2025 04:42
- XSA-475
  0050-x86-viridian-Enforce-bounds-check-in-vpmask_set.diff:This is XSA-475 / CVE-2025-58147.
  0051-x86-viridian-Enforce-bounds-check-in-send_ipi.diff:This is XSA-475 / CVE-2025-58148.
- XSA-473
  0038-Arm-foreign-page-handling-in-p2m_get_page_from_gfn.diff:This is CVE-2025-58144 / part of XSA-473.
  0039-Arm-adjust-locking-in-p2m_get_page_from_gfn.diff:This is CVE-2025-58145 / part of XSA-473.
- XSA-472
  0035-x86-viridian-avoid-NULL-pointer-dereference-in-update.diff:This is CVE-2025-27466 / part of XSA-472.
  0036-x86-viridian-avoid-NULL-pointer-dereference-in-viridi.diff:This is CVE-2025-58142 / part of XSA-472.
  0037-x86-viridian-protect-concurrent-modification-of-the-r.diff:This is CVE-2025-58143 / part of XSA-472.

* Fri Sep 05 2025 Mark Pryor  - 3:4.20.1-3
- HEAD @ c59a69ae9ebdebb83
  x86/gen-cpuid: Fix debugging for cycle detection-Wed 3 Sep 2025 04:59

* Thu Jul 24 2025 Mark Pryor  - 3:4.20.1-2
- HEAD @ 69568ab30622ba09a398
  x86/S3: dont lose previously collected CPU data (AMD extra)-Tue 22 Jul 2025 03:42

* Sat Jul 12 2025 Mark Pryor  - 3:4.20.1-1.el10
- HEAD @ 08f043965a7b1047a
  update Xen version to 4.20.1-Wed 9 Jul 2025 06:57
- initial build of 4.20.1
- XSA-471
  0138-x86-ucode-Digests-for-TSA-microcode.diff:This is part of XSA-471 / CVE-2024-36350 / CVE-2024-36357.
  0139-x86-idle-Rearrange-VERW-and-MONITOR-in-mwait_idle_wit.diff:This is part of XSA-471 / CVE-2024-36350 / CVE-2024-36357.
  0140-x86-spec-ctrl-Mitigate-Transitive-Scheduler-Attacks.diff:This is part of XSA-471 / CVE-2024-36350 / CVE-2024-36357.

* Mon Jul 07 2025 Mark Pryor  - 3:4.20.0-7.el10
- rebuilt for x86_64_v2
- HEAD @ 0c70d444537b6a690b
  x86/cpu-policy: Fix handling of leaf 0x80000021-Mon 7 Jul 2025 02:33

>cat /etc/almalinux-release
AlmaLinux release 10.1 (Heliotrope Lion)

>xl dmesg | head -n85
 __  __            _  _    ____   ___   ____
 \ \/ /___ _ __   | || |  |___ \ / _ \ |___ \
  \  // _ \ '_ \  | || |_   __) | | | |  __) |
  /  \  __/ | | | |__   _| / __/| |_| | / __/
 /_/\_\___|_| |_|    |_|(_)_____|\___(_)_____|

(XEN) Xen version 4.20.2 (mockbuild@dynavirt.com) (gcc (GCC) 14.3.1 20251022 (Red Hat 14.3.1-4)) debug=n Wed Jan  7 19:18:07 PST 2026
(XEN) Latest ChangeSet: bb897593b7a73926f453-x86/amd: Fix race editing DE_CFG-Wed 3 Dec 2025 02:44
(XEN) build-id: 2197b869609bfff0ceff678e7b0edaf682708310
(XEN) CPU Vendor: Intel, Family 6 (0x6), Model 58 (0x3a), Stepping 9 (raw 000306a9)
(XEN) BSP microcode revision: 0x0000000c
(XEN) microcode: CPU0 updated from revision 0xc to 0x21, date = 2019-02-13
(XEN) Bootloader: GRUB 2.06-13+deb12u1
(XEN) Command line: placeholder dom0_mem=1536M,max:1584M guest_loglvl=all loglvl=all console=vga vga=gfx-1280x1024x16 conring_size=48k sched=credit2 cpufreq=none com1=115200,8n1 console=com1 ucode=scan xpti=false dom0_max_vcpus=4 dom0_vcpus_pin
(XEN) Xen image load base address: 0xda600000
(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 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  [0000000000000000, 000000000009dbff] (usable)
(XEN)  [000000000009f800, 000000000009ffff] (reserved)
(XEN)  [00000000000f0000, 00000000000fffff] (reserved)
(XEN)  [0000000000100000, 00000000daf7ffff] (usable)
(XEN)  [00000000daf80000, 00000000dafa2fff] (ACPI NVS)
(XEN)  [00000000dafa3000, 00000000dafdffff] (ACPI data)
(XEN)  [00000000dafe0000, 00000000daffffff] (reserved)
(XEN)  [00000000f4000000, 00000000f7ffffff] (reserved)
(XEN)  [00000000fec00000, 00000000ffffffff] (reserved)
(XEN)  [0000000100000000, 000000081fdfffff] (usable)
(XEN) ACPI: RSDP 000F7920, 0014 (r0 GBT   )
(XEN) ACPI: RSDT DAFA3040, 0054 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: FACP DAFA3100, 0074 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: DSDT DAFA31C0, 4D4C (r1 GBT    GBTUACPI     1000 MSFT  4000000)
(XEN) ACPI: FACS DAF80000, 0040
(XEN) ACPI: MSDM DAFA8080, 0055 (r3 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: HPET DAFA8140, 0038 (r1 GBT    GBTUACPI 42302E31 GBTU       98)
(XEN) ACPI: MCFG DAFA81C0, 003C (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: ASPT DAFA8300, 0034 (r7 GBT    PerfTune 312E3042 UTBG  1010101)
(XEN) ACPI: SSPT DAFA8340, 2380 (r1 GBT    SsptHead 312E3042 UTBG  1010101)
(XEN) ACPI: EUDS DAFAA6C0, 00C0 (r1 GBT                    0             0)
(XEN) ACPI: MATS DAFAA780, 0034 (r1 GBT                    0             0)
(XEN) ACPI: TAMG DAFAA7E0, 0CFA (r1 GBT    GBT   B0 5455312E BG 53450101)
(XEN) ACPI: APIC DAFA7F80, 00BC (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: SSDT DAFAB500, 269C (r1  INTEL PPM RCM  80000001 INTL 20061109)
(XEN) ACPI: MATS DAFADBC0, AAE6 (r1        MATS RCM 80000001 INTL 20061109)
(XEN) System RAM: 32685MB (33469556kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-000000081fe00000
(XEN) Domain heap initialised
(XEN) Allocated console ring of 64 KiB.
(XEN) found SMP MP-table at 000f5d30
(XEN) DMI 2.4 present.
(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 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[daf8000c], 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) Using ACPI (MADT) for SMP configuration information
(XEN) SMP: Allowing 8 CPUs (0 hotplug CPUs)
(XEN) IRQ limits: 24 GSI, 1640 MSI/MSI-X
(XEN) Switched to APIC driver x2apic_mixed
(XEN) CPU0: 1600 ... 3400 MHz
(XEN) xstate: size: 0x340 and states: 0x7
(XEN) CPU0: Intel machine check reporting enabled
(XEN) Speculative mitigation facilities:
(XEN)   Hardware hints:
(XEN)   Hardware features: IBPB IBRS STIBP SSBD L1D_FLUSH MD_CLEAR
(XEN)   Compiled-in support: INDIRECT_THUNK RETURN_THUNK SHADOW_PAGING HARDEN_ARRAY HARDEN_BRANCH HARDEN_GUEST_ACCESS HARDEN_LOCK
(XEN)   Xen settings: BTI-Thunk: RETPOLINE, SPEC_CTRL: IBRS- STIBP- SSBD-, Other: IBPB-ctxt L1D_FLUSH VERW BRANCH_HARDEN
(XEN)   L1TF: believed vulnerable, maxphysaddr L1D 46, CPUID 36, Safe address 1000000000

>dmesg | head -n85
[    0.000000] Linux version 6.17.5-1.el10.x86_64_v2 (mockbuild@mock) (gcc (GCC) 14.3.1 20251022 (Red Hat 14.3.1-4), GNU ld version 2.43.1-2.el10) #1 SMP PREEMPT_DYNAMIC Wed Jan  7 14:18:48 PST 2026
[    0.000000] Command line: root=UUID=959df582-8ddb-4693-b72b-1543b71b78f9 ro console=hvc0 earlyprintk=xen net.ifnames=0 apparmor=0 gfxpayload=1280x1024x16 noresume nopti
[    0.000000] Released 0 page(s)
[    0.000000] BIOS-provided physical RAM map:
[    0.000000] Xen: [mem 0x0000000000000000-0x000000000007ffff] usable
[    0.000000] Xen: [mem 0x0000000000080000-0x00000000000fffff] reserved
[    0.000000] Xen: [mem 0x0000000000100000-0x000000006307ffff] usable
[    0.000000] Xen: [mem 0x00000000daf80000-0x00000000dafa2fff] ACPI NVS
[    0.000000] Xen: [mem 0x00000000dafa3000-0x00000000dafdffff] ACPI data
[    0.000000] Xen: [mem 0x00000000dafe0000-0x00000000daffffff] reserved
[    0.000000] Xen: [mem 0x00000000f4000000-0x00000000f7ffffff] reserved
[    0.000000] Xen: [mem 0x00000000fec00000-0x00000000ffffffff] reserved
[    0.000000] printk: legacy bootconsole [xenboot0] enabled
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] APIC: Static calls initialized
[    0.000000] SMBIOS 2.4 present.
[    0.000000] DMI: Gigabyte Technology Co., Ltd. Z68X-UD3H-B3/Z68X-UD3H-B3, BIOS F11 02/21/2012
[    0.000000] DMI: Memory slots populated: 4/4
[    0.000000] Hypervisor detected: Xen PV
[    0.000011] Xen PV: Detected 4 vCPUS
[    0.038873] tsc: Fast TSC calibration using PIT
[    0.038875] tsc: Detected 3392.303 MHz processor
[    0.038877] tsc: Detected 3392.294 MHz TSC
[    0.039062] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[    0.039068] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.039072] last_pfn = 0xdafe0 max_arch_pfn = 0x400000000
[    0.039077] MTRR map: 3 entries (0 fixed + 3 variable; max 20), built from 10 variable MTRRs
[    0.039079] MTRRs set to read-only
[    0.039083] x86/PAT: Configuration [0-7]: WB  WT  UC- UC  WC  WP  UC  UC  
[    0.039119] Kernel/User page tables isolation: disabled on XEN PV.
[    0.076996] RAMDISK: [mem 0x08000000-0x09bb2fff]
[    0.077009] ACPI: Early table checksum verification disabled
[    0.087086] ACPI: RSDP 0x00000000000F7920 000014 (v00 GBT   )
[    0.087094] ACPI: RSDT 0x00000000DAFA3040 000054 (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
[    0.087111] ACPI: FACP 0x00000000DAFA3100 000074 (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
[    0.087131] ACPI: DSDT 0x00000000DAFA31C0 004D4C (v01 GBT    GBTUACPI 00001000 MSFT 04000000)
[    0.087141] ACPI: FACS 0x00000000DAF80000 000040
[    0.087149] ACPI: MSDM 0x00000000DAFA8080 000055 (v03 GBT    GBTUACPI 42302E31 GBTU 01010101)
[    0.087158] ACPI: HPET 0x00000000DAFA8140 000038 (v01 GBT    GBTUACPI 42302E31 GBTU 00000098)
[    0.087167] ACPI: MCFG 0x00000000DAFA81C0 00003C (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
[    0.087176] ACPI: ASPT 0x00000000DAFA8300 000034 (v07 GBT    PerfTune 312E3042 UTBG 01010101)
[    0.087185] ACPI: SSPT 0x00000000DAFA8340 002380 (v01 GBT    SsptHead 312E3042 UTBG 01010101)
[    0.087194] ACPI: EUDS 0x00000000DAFAA6C0 0000C0 (v01 GBT             00000000      00000000)
[    0.087204] ACPI: MATS 0x00000000DAFAA780 000034 (v01 GBT             00000000      00000000)
[    0.087213] ACPI: TAMG 0x00000000DAFAA7E0 000CFA (v01 GBT    GBT   B0 5455312E BG?? 53450101)
[    0.087222] ACPI: APIC 0x00000000DAFA7F80 0000BC (v01 GBT    GBTUACPI 42302E31 GBTU 01010101)
[    0.087231] ACPI: SSDT 0x00000000DAFAB500 00269C (v01 INTEL  PPM RCM  80000001 INTL 20061109)
[    0.087240] ACPI: MATS 0x00000000DAFADBC0 00AAE6 (v01        MATS RCM 80000001 INTL 20061109)
[    0.087246] ACPI: Reserving FACP table memory at [mem 0xdafa3100-0xdafa3173]
[    0.087249] ACPI: Reserving DSDT table memory at [mem 0xdafa31c0-0xdafa7f0b]
[    0.087251] ACPI: Reserving FACS table memory at [mem 0xdaf80000-0xdaf8003f]
[    0.087253] ACPI: Reserving MSDM table memory at [mem 0xdafa8080-0xdafa80d4]
[    0.087255] ACPI: Reserving HPET table memory at [mem 0xdafa8140-0xdafa8177]
[    0.087257] ACPI: Reserving MCFG table memory at [mem 0xdafa81c0-0xdafa81fb]
[    0.087259] ACPI: Reserving ASPT table memory at [mem 0xdafa8300-0xdafa8333]
[    0.087261] ACPI: Reserving SSPT table memory at [mem 0xdafa8340-0xdafaa6bf]
[    0.087263] ACPI: Reserving EUDS table memory at [mem 0xdafaa6c0-0xdafaa77f]
[    0.087265] ACPI: Reserving MATS table memory at [mem 0xdafaa780-0xdafaa7b3]
[    0.087267] ACPI: Reserving TAMG table memory at [mem 0xdafaa7e0-0xdafab4d9]
[    0.087269] ACPI: Reserving APIC table memory at [mem 0xdafa7f80-0xdafa803b]
[    0.087271] ACPI: Reserving SSDT table memory at [mem 0xdafab500-0xdafadb9b]
[    0.087273] ACPI: Reserving MATS table memory at [mem 0xdafadbc0-0xdafb86a5]
[    0.087348] APIC: Switched APIC routing to: Xen PV
[    0.087377] NUMA turned off
[    0.087380] Faking a node at [mem 0x0000000000000000-0x00000000dafdffff]
[    0.087390] NODE_DATA(0) allocated [mem 0x5fcf36c0-0x5fd1dcbf]
[    0.091706] Zone ranges:
[    0.091736]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.091739]   DMA32    [mem 0x0000000001000000-0x00000000dafdffff]
[    0.091742]   Normal   empty
[    0.091744]   Device   empty
[    0.091746] Movable zone start for each node
[    0.091750] Early memory node ranges
[    0.091751]   node   0: [mem 0x0000000000001000-0x000000000007ffff]
[    0.091754]   node   0: [mem 0x0000000000100000-0x000000006307ffff]
[    0.091757] Initmem setup node 0 [mem 0x0000000000001000-0x000000006307ffff]
[    0.091763] On node 0, zone DMA: 1 pages in unavailable ranges
[    0.091788] On node 0, zone DMA: 128 pages in unavailable ranges
[    0.092327] On node 0, zone DMA32: 20352 pages in unavailable ranges
[    0.092330] p2m virtual area at (____ptrval____), size is 40000000
[    0.198948] Remapped 128 page(s)
[    0.198952] Remapped 0 non-RAM page(s)
[    0.198980] Reserving Intel graphics memory at [mem 0xdba00000-0xdf9fffff]
[    0.199189] ACPI: PM-Timer IO Port: 0x408
[    0.199221] CPU topo: CPU limit of 4 reached. Ignoring further CPUs

>vgchange -ay z68vm
  48 logical volume(s) in volume group "z68vm" now active

>systemctl status xendomains
● xendomains.service - Xendomains - start and stop guests on boot and shutdown
     Loaded: loaded (/usr/lib/systemd/system/xendomains.service; enabled; preset: enabled)
    Drop-In: /etc/systemd/system/xendomains.service.d
             └─override.conf
     Active: active (exited) since Wed 2026-01-07 20:25:08 PST; 1min 2s ago
 Invocation: e18da1d1969a4bf39f0eed307c4a82fc
    Process: 811 ExecStartPre=/bin/grep -q control_d /proc/xen/capabilities (code=exited, status=0/SUCCESS)
    Process: 813 ExecStartPre=/sbin/xl sched-credit2 --domain=0 --weight=512 (code=exited, status=0/SUCCESS)
    Process: 815 ExecStart=/usr/lib/xen/bin/xendomains start (code=exited, status=0/SUCCESS)
   Main PID: 815 (code=exited, status=0/SUCCESS)
      Tasks: 22 (limit: 8658)
     Memory: 25.1M (peak: 28.3M)
        CPU: 5.020s
     CGroup: /system.slice/xendomains.service
             ├─1102 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/a_al9pv
             ├─1320 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/d_kit10v2
             ├─1820 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/f_booky
             ├─2130 /usr/bin/qemu-system-i386 -xen-domid 4 -no-shutdown -chardev socket,id=libxl-cmd,path=/run/xen/qmp-libxl-4,server=on,wait=off -mon chardev=libxl-cmd,mode=control -chardev socket,id=libxenstat-cmd,path=/run/xen/qmp-libxenstat-4,server=on,wait=off -mon chardev=libxenstat-cmd,mode=control -nodefaults -no-user-config -xen-attach -name al10v2 -vnc 127.0.0.1:0,to=99 -display none -k en-us -machine xenpv -m 6144
             ├─2189 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/g_al10v2
             ├─2436 /usr/bin/qemu-system-i386 -xen-domid 5 -no-shutdown -chardev socket,id=libxl-cmd,path=/run/xen/qmp-libxl-5,server=on,wait=off -mon chardev=libxl-cmd,mode=control -chardev socket,id=libxenstat-cmd,path=/run/xen/qmp-libxenstat-5,server=on,wait=off -mon chardev=libxenstat-cmd,mode=control -nodefaults -no-user-config -xen-attach -name ub2604 -vnc 0.0.0.0:0,to=99 -display none -k en-us -machine xenpv -m 2800
             └─2494 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/i_ub2604

Jan 07 20:25:07 al10dom0 root[2472]: /etc/xen/scripts/vif-bridge: br0 MTU is 1500
Jan 07 20:25:07 al10dom0 root[2473]: /etc/xen/scripts/vif-bridge: setting vif5.0 MTU to 1500
Jan 07 20:25:07 al10dom0 root[2477]: /etc/xen/scripts/vif-bridge: adding vif5.0 to bridge br0
Jan 07 20:25:07 al10dom0 root[2490]: /etc/xen/scripts/vif-bridge: Successful vif-bridge online for vif5.0, bridge br0.
Jan 07 20:25:07 al10dom0 root[2491]: /etc/xen/scripts/vif-bridge: Writing backend/vif/5/0/hotplug-status connected to xenstore.
Jan 07 20:25:07 al10dom0 xendomains[815]:  i_ub2604
Jan 07 20:25:07 al10dom0 xendomains[2496]: warning: usleep is deprecated, and will be removed in near future!
Jan 07 20:25:07 al10dom0 xendomains[2496]: warning: use "sleep 1.35" instead...
Jan 07 20:25:08 al10dom0 systemd[1]: Finished xendomains.service - Xendomains - start and stop guests on boot and shutdown.
Jan 07 20:25:08 al10dom0 xendomains[815]: [  OK  ]

>xl info
host                   : al10dom0
release                : 6.17.5-1.el10.x86_64_v2
version                : #1 SMP PREEMPT_DYNAMIC Wed Jan  7 14:18:48 PST 2026
machine                : x86_64
nr_cpus                : 8
max_cpu_id             : 7
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 2
cpu_mhz                : 3392.295
hw_caps                : bfebfbff:77bae3ff:28100800:00000001:00000001:00000281:00000000:00000100
virt_caps              : pv hvm hap shadow gnttab-v1 gnttab-v2
total_memory           : 32685
free_memory            : 11588
sharing_freed_memory   : 0
sharing_used_memory    : 0
outstanding_claims     : 0
free_cpus              : 0
xen_major              : 4
xen_minor              : 20
xen_extra              : .2
xen_version            : 4.20.2
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          : bb897593b7a73926f453-x86/amd: Fix race editing DE_CFG-Wed 3 Dec 2025 02:44
xen_commandline        : placeholder dom0_mem=1536M,max:1584M guest_loglvl=all loglvl=all console=vga vga=gfx-1280x1024x16 conring_size=48k sched=credit2 cpufreq=none com1=115200,8n1 console=com1 ucode=scan xpti=false dom0_max_vcpus=4 dom0_vcpus_pin
cc_compiler            : gcc (GCC) 14.3.1 20251022 (Red Hat 14.3.1-4)
cc_compile_by          : mockbuild
cc_compile_domain      : dynavirt.com
cc_compile_date        : Wed Jan  7 19:18:07 PST 2026
build_id               : 2197b869609bfff0ceff678e7b0edaf682708310
xend_config_format     : 4

>xl list
Name                                        ID   Mem VCPUs	State	Time(s)
Domain-0                                     0  1536     4     r-----      28.9
al9pv                                        1  4096     4     -b----       9.1
kit10v2                                      2  2096     4     -b----      12.2
bookyz                                       3  4096     6     -b----       9.7
al10v2                                       4  6144     6     -b----      12.7
ub2604                                       5  2800     4     -b----       8.7

>grep XEN_ /boot/config-6.17.5-1.el10.x86_64_v2
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_USB_XEN_HCD=m
CONFIG_XEN_512GB=y
CONFIG_XEN_ACPI_PROCESSOR=m
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=m
CONFIG_XEN_COMPAT_XENFS=y
# CONFIG_XEN_DEBUG_FS is not set
CONFIG_XEN_DEV_EVTCHN=y
CONFIG_XEN_DOM0=y
CONFIG_XEN_EFI=y
CONFIG_XEN_FBDEV_FRONTEND=y
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_GRANT_DMA_IOMMU=y
CONFIG_XEN_GRANT_DMA_OPS=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=m
CONFIG_XEN_PCIDEV_BACKEND=m
CONFIG_XEN_PCIDEV_FRONTEND=y
CONFIG_XEN_PCI_STUB=y
# CONFIG_XEN_PRIVCMD_EVENTFD is not set
CONFIG_XEN_PRIVCMD=y
CONFIG_XEN_PVCALLS_BACKEND=m
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_MSR_SAFE=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_VIRTIO_FORCE_GRANT=y
CONFIG_XEN_VIRTIO=y
CONFIG_XEN_WDT=m
CONFIG_XEN_XENBUS_FRONTEND=y

>qemu-system-i386 -version
QEMU emulator version 8.2.0
Copyright (c) 2003-2023 Fabrice Bellard and the QEMU Project developers

>iptables -S -t nat
-P PREROUTING ACCEPT
-P INPUT ACCEPT
-P OUTPUT ACCEPT
-P POSTROUTING ACCEPT

>systemctl list-unit-files | grep enab | sort
auditd.service                               disabled        enabled
audit-rules.service                          enabled         enabled
crond.service                                enabled         enabled
dbus-broker.service                          enabled         enabled
dbus.socket                                  enabled         enabled
dm-event.socket                              enabled         enabled
dnf-makecache.timer                          enabled         enabled
fips-crypto-policy-overlay.service           enabled         enabled
firewalld.service                            masked          enabled
fstrim.timer                                 disabled        enabled
getty@.service                               enabled         enabled
import-state.service                         enabled         enabled
irqbalance.service                           enabled         enabled
logrotate.timer                              enabled         enabled
lvm2-lvmpolld.socket                         enabled         enabled
lvm2-monitor.service                         enabled         enabled
plocate-updatedb.timer                       enabled         enabled
rc-local.service                             enabled-runtime disabled
reboot.target                                enabled         enabled
remote-cryptsetup.target                     enabled         enabled
remote-fs.target                             enabled         enabled
rpmdb-migrate.service                        enabled         enabled
rpmdb-rebuild.service                        enabled         enabled
rsyslog.service                              enabled         enabled
selinux-autorelabel-mark.service             disabled        enabled
sshd.service                                 enabled         enabled
sssd-kcm.socket                              enabled         enabled
sssd.service                                 enabled         enabled
systemd-confext.service                      enabled         enabled
systemd-fsck-root.service                    enabled-runtime disabled
systemd-networkd.service                     enabled         disabled
systemd-networkd.socket                      enabled         disabled
systemd-networkd-wait-online.service         enabled         disabled
systemd-network-generator.service            disabled        enabled
systemd-pstore.service                       enabled         enabled
systemd-remount-fs.service                   enabled-runtime disabled
systemd-resolved.service                     enabled         disabled
systemd-sysext.service                       enabled         enabled
systemd-userdbd.socket                       disabled        enabled
xenconsoled.service                          enabled         enabled
xendomains.service                           enabled         enabled
xen-init-dom0.service                        enabled         disabled
xen-qemu-dom0-disk-backend.service           enabled         disabled
xenstored.service                            enabled         enabled

>ps aux | grep xen
root          47  0.0  0.0      0     0 ?        S    20:24   0:00 [xenbus]
root          48  0.0  0.0      0     0 ?        S    20:24   0:00 [xenwatch]
root          61  0.0  0.0      0     0 ?        S    20:24   0:00 [xen-balloon]
root         792  0.6  0.2   4084  3224 ?        S    20:24   0:00 /usr/sbin/xenstored --pid-file /run/xen/xenstored.pid
root         803  0.1  0.4  72268  5868 ?        Ssl  20:24   0:00 /usr/sbin/xenconsoled -i --log=none --log-dir=/var/log/xen/console
root        1033  0.0  1.2 264176 17972 ?        Sl   20:24   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 /run/xen/qemu-dom0.pid
root        1102  0.0  0.2  72472  3236 ?        Ssl  20:24   0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/a_al9pv
root        1320  0.0  0.2  72472  3268 ?        Ssl  20:24   0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/d_kit10v2
root        1820  0.0  0.2  72472  2932 ?        Ssl  20:25   0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/f_booky
root        2130  0.1  2.0 447232 28740 ?        Ssl  20:25   0:00 /usr/bin/qemu-system-i386 -xen-domid 4 -no-shutdown -chardev socket,id=libxl-cmd,path=/run/xen/qmp-libxl-4,server=on,wait=off -mon chardev=libxl-cmd,mode=control -chardev socket,id=libxenstat-cmd,path=/run/xen/qmp-libxenstat-4,server=on,wait=off -mon chardev=libxenstat-cmd,mode=control -nodefaults -no-user-config -xen-attach -name al10v2 -vnc 127.0.0.1:0,to=99 -display none -k en-us -machine xenpv -m 6144
root        2189  0.0  0.2  72644  3240 ?        Ssl  20:25   0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/g_al10v2
root        2436  0.0  2.0 430848 28956 ?        Ssl  20:25   0:00 /usr/bin/qemu-system-i386 -xen-domid 5 -no-shutdown -chardev socket,id=libxl-cmd,path=/run/xen/qmp-libxl-5,server=on,wait=off -mon chardev=libxl-cmd,mode=control -chardev socket,id=libxenstat-cmd,path=/run/xen/qmp-libxenstat-5,server=on,wait=off -mon chardev=libxenstat-cmd,mode=control -nodefaults -no-user-config -xen-attach -name ub2604 -vnc 0.0.0.0:0,to=99 -display none -k en-us -machine xenpv -m 2800
root        2494  0.0  0.2  72640  3008 ?        Ssl  20:25   0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/i_ub2604
root        2647  0.4  0.5  18492  7976 pts/5    S+   20:26   0:00 sudo ./dump_xen_trace tlviewer
root        2649  0.0  0.2  18492  2856 pts/6    Ss   20:26   0:00 sudo ./dump_xen_trace tlviewer
root        2650  0.4  0.2   7068  3472 pts/6    S+   20:26   0:00 /bin/sh ./dump_xen_trace tlviewer
root        2676  0.0  0.1   6488  2252 pts/6    S+   20:26   0:00 grep xen

>systemd-analyze time
Startup finished in 789ms (kernel) + 11.360s (initrd) + 24.554s (userspace) = 36.704s 
multi-user.target reached after 24.531s in userspace.

>systemd-analyze blame
13.708s sys-devices-platform-serial8250-serial8250:0-serial8250:0.1-tty-ttyS1.device
13.708s sys-devices-platform-serial8250-serial8250:0-serial8250:0.3-tty-ttyS3.device
13.703s sys-devices-platform-serial8250-serial8250:0-serial8250:0.2-tty-ttyS2.device
13.624s sys-module-configfs.device
13.614s sys-devices-pnp0-00:02-00:02:0-00:02:0.0-tty-ttyS0.device
12.632s dev-sda7.device
12.632s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda7.device
12.529s dev-sda4.device
12.529s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda4.device
12.459s dev-sda5.device
12.459s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda5.device
12.457s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda8.device
12.457s dev-sda8.device
12.377s dev-sda6.device
12.377s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda6.device
12.375s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda1.device
12.375s dev-sda1.device
12.373s dev-sda2.device
12.373s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda2.device
12.216s dev-sda3.device
12.216s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda3.device
12.039s dev-sda9.device
12.039s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda9.device
11.911s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda15.device
11.911s dev-sda15.device
11.879s dev-sda.device
11.879s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda.device
11.665s xendomains.service
11.636s dev-sda10.device
11.636s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda10.device
11.562s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda12.device
11.562s dev-sda12.device
11.421s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda11.device
11.421s dev-sda11.device
11.232s dev-sda14.device
11.232s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda14.device
11.221s sys-devices-pci0000:00-0000:00:1f.2-ata4-host3-target3:0:0-3:0:0:0-block-sda-sda13.device
11.221s dev-sda13.device
 8.794s dracut-initqueue.service
 6.858s user@1000.service
 3.894s systemd-networkd-wait-online.service
 2.837s initrd-switch-root.service
  725ms lvm2-monitor.service
  534ms systemd-journald.service
  501ms systemd-udev-trigger.service
  489ms systemd-tmpfiles-setup-dev-early.service
  446ms systemd-hostnamed.service
  383ms mnt-zdum.mount
  372ms systemd-networkd.service
  353ms systemd-resolved.service
  326ms audit-rules.service
  306ms xen-init-dom0.service
  302ms xenstored.service
  299ms proc-xen.mount
  291ms sys-kernel-debug.mount
  283ms sys-kernel-tracing.mount
  281ms dev-mqueue.mount
  274ms systemd-udevd.service
  266ms rsyslog.service
  252ms kmod-static-nodes.service
  251ms user-runtime-dir@1000.service
  246ms dbus-broker.service
  225ms modprobe@dm_mod.service
  218ms systemd-networkd-persistent-storage.service
  216ms modprobe@drm.service
  207ms modprobe@efi_pstore.service
  199ms modprobe@fuse.service
  190ms modprobe@loop.service
  179ms sshd.service
  156ms systemd-tmpfiles-setup.service
  155ms systemd-modules-load.service
  151ms systemd-random-seed.service
  150ms systemd-sysctl.service
  150ms systemd-udev-load-credentials.service
  144ms dracut-cmdline.service
  144ms systemd-fsck@dev-xen_grp-xencmn.service
  134ms systemd-remount-fs.service
  133ms rc-local.service
  120ms systemd-logind.service
  108ms dev-sda2.swap
   98ms systemd-vconsole-setup.service
   96ms dracut-pre-udev.service
   95ms systemd-fsck-root.service
   91ms initrd-parse-etc.service
   91ms systemd-sysusers.service
   85ms systemd-journal-flush.service
   70ms dracut-shutdown.service
   57ms dracut-pre-pivot.service
   56ms systemd-tmpfiles-setup-dev.service
   47ms xenconsoled.service
   46ms data1.mount
   43ms initrd-cleanup.service
   38ms initrd-udevadm-cleanup-db.service
   36ms systemd-update-utmp.service
   25ms xen-qemu-dom0-disk-backend.service
   25ms dracut-pre-mount.service
   23ms sys-fs-fuse-connections.mount
   22ms systemd-user-sessions.service
   19ms systemd-update-utmp-runlevel.service
   15ms modprobe@configfs.service
   15ms tmp.mount

>sudo networkctl
IDX LINK   TYPE     OPERATIONAL SETUP
  1 lo     loopback carrier     unmanaged
  2 eth0   ether    enslaved    configured
  3 br0    bridge   routable    configured
  4 vif1.0 ether    enslaved    unmanaged
  5 vif2.0 ether    enslaved    unmanaged
  6 vif3.0 ether    enslaved    unmanaged
  7 vif4.0 ether    enslaved    unmanaged
  8 vif5.0 ether    enslaved    unmanaged

8 links listed.

>brctl show
bridge name	bridge id		STP enabled	interfaces
br0		8000.52ce10032f7d	no		eth0
							vif1.0
							vif2.0
							vif3.0
							vif4.0
							vif5.0

>cat /etc/systemd/network/br0.network
[Match]
Name=br0

[Network]
DNS=8.8.4.4
Address=192.168.1.11/24
Gateway=192.168.1.1
#MACAddress=50:e5:49:bd:23:a9

>tree /boot
/boot
├── config-6.14.9-1.el10.x86_64_v2
├── config-6.17.5-1.el10.x86_64_v2
├── dracut
├── efi
│   └── EFI
│       └── almalinux
├── flask
│   └── xenpolicy-4.18
├── grub2
│   ├── grub.cfg
│   └── grubenv
├── initramfs-6.14.9-1.el10.x86_64_v2.img
├── initramfs-6.17.5-1.el10.x86_64_v2.img
├── kcfg
│   ├── xen-4.20.config
│   └── xen-4.20-xsm.config
├── loader
│   └── entries
│       ├── 569bbefcd9b240e3b4b0b9a573e79694-6.14.9-1.el10.x86_64_v2.conf
│       └── 569bbefcd9b240e3b4b0b9a573e79694-6.17.5-1.el10.x86_64_v2.conf
├── symvers-6.14.9-1.el10.x86_64_v2.gz -> /lib/modules/6.14.9-1.el10.x86_64_v2/symvers.gz
├── symvers-6.17.5-1.el10.x86_64_v2.gz -> /lib/modules/6.17.5-1.el10.x86_64_v2/symvers.gz
├── System.map-6.14.9-1.el10.x86_64_v2
├── System.map-6.17.5-1.el10.x86_64_v2
├── vmlinuz-6.14.9-1.el10.x86_64_v2
├── vmlinuz-6.17.5-1.el10.x86_64_v2
├── xen-4.20.gz
└── xen-4.20-xsm.gz

10 directories, 19 files

>netstat -an | grep ^tcp
tcp        0      0 127.0.0.54:53           0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:6010          0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:5900          0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:5901            0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.53:53           0.0.0.0:*               LISTEN     
tcp        0      0 192.168.1.11:22         192.168.1.107:40540     ESTABLISHED
tcp6       0      0 :::22                   :::*                    LISTEN     
tcp6       0      0 ::1:6010                :::*                    LISTEN