>rpm -qa | grep -P '^xen-|^qemu*'
xen-licenses-4.20.2-2.el9.x86_64
xen-libs-4.20.2-2.el9.x86_64
xen-hypervisor-4.20.2-2.el9.x86_64
xen-runtime-4.20.2-2.el9.x86_64
qemuu-img-9.1.0+k2-2.el9.x86_64
qemuu-9.1.0+k2-2.el9.x86_64
xen-4.20.2-2.el9.x86_64
xen-doc-4.20.2-2.el9.x86_64
>rpm -qi --changelog xen | head -n45
Name : xen
Epoch : 3
Version : 4.20.2
Release : 2.el9
Architecture: x86_64
Install Date: Tue 23 Dec 2025 12:45:49 PM PST
Group : Development/Libraries
Size : 438047
License : GPLv2+ and LGPLv2+ and BSD
Signature : (none)
Source RPM : xen-4.20.2-2.el9.src.rpm
Build Date : Tue 23 Dec 2025 10:07:42 AM PST
Build Host : alma9
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
* Tue Dec 23 2025 Mark Pryor - 3:4.20.2-2.el9
- bb897593b7a73926f453
x86/amd: Fix race editing DE_CFG-Wed 3 Dec 2025 02:44
* Thu Nov 13 2025 Mark Pryor - 3:4.20.2-1.el9
- HEAD @ 03299bb3ec817f47
update Xen version to 4.20.2-Thu 13 Nov 2025 01:51
- 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.
- 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-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-476
0053-tools-libs-light-fix-BAR-memory-address-truncation.diff:This is XSA-476 / CVE-2025-58149.
* Thu Jul 24 2025 Mark Pryor - 3:4.20.1-2.el9
- HEAD @ 69568ab30622ba09a398
x86/S3: dont lose previously collected CPU data (AMD extra)-Tue 22 Jul 2025 03:42
* Thu Jul 10 2025 Mark Pryor - 3:4.20.1-1.el9
- HEAD @ 08f043965a7b1047a
update Xen version to 4.20.1-Wed 9 Jul 2025 06:57
- initial build of 4.20.1
* Tue Jul 08 2025 Mark Pryor - 3:4.20.0-8.el9
- HEAD @ 138d403e0737da0c
x86/spec-ctrl: Mitigate Transitive Scheduler Attacks-Tue 8 Jul 2025 07:00
- 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.
* Sat Jul 05 2025 Mark Pryor - 3:4.20.0-7.el9
- XSA-470
- HEAD @ 9e1309b0f037a6
x86/emul: Fix extable registration in invoke_stub-Tue 1 Jul 2025 04:57
all *efi blobs to usr/lib64/efi, not ESP
* Thu Jun 26 2025 Mark Pryor - 3:4.20.0-6.el9
- HEAD @ 2f80f3071a87706f9
xenalyze: Add 2 missed VCPUOPs in vcpu_op_str-Wed 25 Jun 2025 23:37
>cat /etc/almalinux-release
AlmaLinux release 9.7 (Moss Jungle Cat)
>xl dmesg | head -n85
__ __ _ _ ____ ___ ____
\ \/ /___ _ __ | || | |___ \ / _ \ |___ \
\ // _ \ '_ \ | || |_ __) | | | | __) |
/ \ __/ | | | |__ _| / __/| |_| | / __/
/_/\_\___|_| |_| |_|(_)_____|\___(_)_____|
(XEN) Xen version 4.20.2 (mockbuild@dynavirt.com) (gcc (GCC) 13.3.1 20240611 (Red Hat 13.3.1-2)) debug=n Tue Dec 23 00:00:00 UTC 2025
(XEN) Latest ChangeSet: bb897593b7a73926f453-x86/amd: Fix race editing DE_CFG-Wed 3 Dec 2025 02:44
(XEN) build-id: 05adae14d378d7a3578c1c2249ebad7587739820
(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=2048M,max:2084M 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
(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 | tail -n85
[ 13.695836] EXT4-fs (dm-29): mounted filesystem d64b5713-c686-4470-b1ff-94183775ac08 r/w with ordered data mode. Quota mode: none.
[ 15.109438] EXT4-fs (dm-1): mounted filesystem 76dd82c5-a079-4b9d-819b-af5d7d0ad86a r/w with ordered data mode. Quota mode: none.
[ 15.655228] it87: Found IT8728F chip at 0x290, revision 1
[ 15.655283] it87: Beeping is supported
[ 17.521558] br0: port 2(vif1.0) entered blocking state
[ 17.521595] br0: port 2(vif1.0) entered disabled state
[ 17.521619] vif vif-1-0 vif1.0: entered allmulticast mode
[ 17.521684] vif vif-1-0 vif1.0: entered promiscuous mode
[ 17.647973] Bridge firewalling registered
[ 17.836411] xen-blkback: backend/vbd/1/51712: using 1 queues, protocol 1 (x86_64-abi)
[ 17.839755] xen-blkback: backend/vbd/1/51728: using 1 queues, protocol 1 (x86_64-abi)
[ 17.842657] xen-blkback: backend/vbd/1/51760: using 1 queues, protocol 1 (x86_64-abi)
[ 19.487142] br0: port 3(vif2.0) entered blocking state
[ 19.487178] br0: port 3(vif2.0) entered disabled state
[ 19.487224] vif vif-2-0 vif2.0: entered allmulticast mode
[ 19.487705] vif vif-2-0 vif2.0: entered promiscuous mode
[ 19.655418] xen-blkback: backend/vbd/2/51712: using 1 queues, protocol 1 (x86_64-abi)
[ 19.659077] xen-blkback: backend/vbd/2/51728: using 1 queues, protocol 1 (x86_64-abi)
[ 21.845490] br0: port 4(vif3.0) entered blocking state
[ 21.845959] br0: port 4(vif3.0) entered disabled state
[ 21.846408] vif vif-3-0 vif3.0: entered allmulticast mode
[ 21.846879] vif vif-3-0 vif3.0: entered promiscuous mode
[ 22.063201] xen-blkback: backend/vbd/3/51712: using 1 queues, protocol 1 (x86_64-abi)
[ 22.067524] xen-blkback: backend/vbd/3/51728: using 1 queues, protocol 1 (x86_64-abi)
[ 22.071275] xen-blkback: backend/vbd/3/51760: using 1 queues, protocol 1 (x86_64-abi)
[ 22.075163] xen-blkback: backend/vbd/3/51776: using 1 queues, protocol 1 (x86_64-abi)
[ 22.079031] xen-blkback: backend/vbd/3/51792: using 1 queues, protocol 1 (x86_64-abi)
[ 22.323660] xen-blkback: backend/vbd/1/51712: prepare for reconnect
[ 22.345736] xen-blkback: backend/vbd/1/51728: prepare for reconnect
[ 22.348887] xen-blkback: backend/vbd/1/51760: prepare for reconnect
[ 23.666848] xen-blkback: backend/vbd/2/51712: prepare for reconnect
[ 23.670961] xen-blkback: backend/vbd/2/51728: prepare for reconnect
[ 24.130961] br0: port 5(vif4.0) entered blocking state
[ 24.131394] br0: port 5(vif4.0) entered disabled state
[ 24.131784] vif vif-4-0 vif4.0: entered allmulticast mode
[ 24.132250] vif vif-4-0 vif4.0: entered promiscuous mode
[ 24.323926] xen-blkback: backend/vbd/1/51712: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 24.348360] xen-blkback: backend/vbd/1/51728: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 24.354531] xen-blkback: backend/vbd/1/51760: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 24.496513] xen-blkback: backend/vbd/4/51712: using 1 queues, protocol 1 (x86_64-abi)
[ 24.500666] xen-blkback: backend/vbd/4/51728: using 1 queues, protocol 1 (x86_64-abi)
[ 24.504814] xen-blkback: backend/vbd/4/51760: using 1 queues, protocol 1 (x86_64-abi)
[ 24.714101] xen-blkback: backend/vbd/2/51712: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 24.720455] xen-blkback: backend/vbd/2/51728: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 24.901901] vif vif-2-0 vif2.0: Guest Rx ready
[ 24.902572] br0: port 3(vif2.0) entered blocking state
[ 24.902959] br0: port 3(vif2.0) entered forwarding state
[ 26.266605] br0: port 6(vif5.0) entered blocking state
[ 26.266994] br0: port 6(vif5.0) entered disabled state
[ 26.267399] vif vif-5-0 vif5.0: entered allmulticast mode
[ 26.267760] vif vif-5-0 vif5.0: entered promiscuous mode
[ 26.387598] xen-blkback: backend/vbd/5/51712: using 1 queues, protocol 1 (x86_64-abi)
[ 26.391967] xen-blkback: backend/vbd/5/51728: using 1 queues, protocol 1 (x86_64-abi)
[ 33.451906] xen-blkback: backend/vbd/3/51712: prepare for reconnect
[ 33.485975] xen-blkback: backend/vbd/3/51728: prepare for reconnect
[ 33.516978] xen-blkback: backend/vbd/3/51760: prepare for reconnect
[ 33.527785] xen-blkback: backend/vbd/3/51776: prepare for reconnect
[ 33.549408] xen-blkback: backend/vbd/3/51792: prepare for reconnect
[ 34.671804] xen-blkback: backend/vbd/3/51712: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 34.679070] xen-blkback: backend/vbd/3/51728: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 34.684182] xen-blkback: backend/vbd/3/51760: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 34.688625] xen-blkback: backend/vbd/3/51776: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 34.692924] xen-blkback: backend/vbd/3/51792: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 41.217295] vif vif-1-0 vif1.0: Guest Rx ready
[ 41.217410] br0: port 2(vif1.0) entered blocking state
[ 41.217453] br0: port 2(vif1.0) entered forwarding state
[ 44.924517] xen-blkback: backend/vbd/4/51712: prepare for reconnect
[ 45.039378] xen-blkback: backend/vbd/4/51728: prepare for reconnect
[ 45.099173] xen-blkback: backend/vbd/4/51760: prepare for reconnect
[ 47.200079] xen-blkback: backend/vbd/5/51712: prepare for reconnect
[ 47.278532] xen-blkback: backend/vbd/5/51728: prepare for reconnect
[ 47.285346] xen-blkback: backend/vbd/4/51712: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 47.290760] xen-blkback: backend/vbd/4/51728: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 47.297555] xen-blkback: backend/vbd/4/51760: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 47.917637] xen-blkback: backend/vbd/5/51712: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 47.923659] xen-blkback: backend/vbd/5/51728: using 4 queues, protocol 1 (x86_64-abi) persistent grants
[ 48.330955] vif vif-5-0 vif5.0: Guest Rx ready
[ 48.331067] br0: port 6(vif5.0) entered blocking state
[ 48.331124] br0: port 6(vif5.0) entered forwarding state
[ 53.174785] vif vif-3-0 vif3.0: Guest Rx ready
[ 53.174897] br0: port 4(vif3.0) entered blocking state
[ 53.174944] br0: port 4(vif3.0) entered forwarding state
[ 61.137286] vif vif-4-0 vif4.0: Guest Rx ready
[ 61.137407] br0: port 5(vif4.0) entered blocking state
[ 61.137442] br0: port 5(vif4.0) entered forwarding state
>systemctl status lvm-activate-z68vm.service
○ lvm-activate-z68vm.service - /usr/sbin/lvm vgchange -aay --autoactivation event z68vm
Loaded: loaded (/run/systemd/transient/lvm-activate-z68vm.service; transient)
Transient: yes
Active: inactive (dead) since Tue 2025-12-23 12:58:08 PST; 13min ago
Duration: 5.073s
Process: 519 ExecStart=/usr/sbin/lvm vgchange -aay --autoactivation event z68vm (code=exited, status=0/SUCCESS)
Main PID: 519 (code=exited, status=0/SUCCESS)
CPU: 28ms
Dec 23 12:58:03 al9dom0 systemd[1]: Started /usr/sbin/lvm vgchange -aay --autoactivation event z68vm.
Dec 23 12:58:08 al9dom0 lvm[519]: 48 logical volume(s) in volume group "z68vm" now active
Dec 23 12:58:08 al9dom0 systemd[1]: lvm-activate-z68vm.service: Deactivated successfully.
>systemctl status xendomains
● xendomains.service - Xendomains - start and stop guests on boot and shutdown
Loaded: loaded (/usr/lib/systemd/system/xendomains.service; enabled; preset: disabled)
Drop-In: /etc/systemd/system/xendomains.service.d
└─override.conf
Active: active (exited) since Tue 2025-12-23 12:58:21 PST; 13min ago
Process: 771 ExecStartPre=/bin/grep -q control_d /proc/xen/capabilities (code=exited, status=0/SUCCESS)
Process: 772 ExecStartPre=/sbin/xl sched-credit2 --domain=0 --weight=512 (code=exited, status=0/SUCCESS)
Process: 773 ExecStart=/usr/lib/xen/bin/xendomains start (code=exited, status=0/SUCCESS)
Main PID: 773 (code=exited, status=0/SUCCESS)
Tasks: 10 (limit: 11901)
Memory: 9.6M (peak: 22.8M)
CPU: 4.609s
CGroup: /system.slice/xendomains.service
├─1060 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/a_al9pv
├─1278 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/d_jam22
├─1778 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/f_booky
├─2135 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/g_al10v2
└─2445 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/i_ub2604
Dec 23 12:58:20 al9dom0 root[2424]: /etc/xen/scripts/vif-bridge: setting vif5.0 MTU to 1500
Dec 23 12:58:20 al9dom0 root[2426]: /etc/xen/scripts/vif-bridge: Writing /local/domain/5/device/vif/0/mtu 1500 to xenstore.
Dec 23 12:58:20 al9dom0 root[2428]: /etc/xen/scripts/vif-bridge: adding vif5.0 to bridge br0
Dec 23 12:58:20 al9dom0 root[2441]: /etc/xen/scripts/vif-bridge: Successful vif-bridge online for vif5.0, bridge br0.
Dec 23 12:58:20 al9dom0 root[2442]: /etc/xen/scripts/vif-bridge: Writing backend/vif/5/0/hotplug-status connected to xenstore.
Dec 23 12:58:20 al9dom0 xendomains[773]: i_ub2604
Dec 23 12:58:20 al9dom0 xendomains[2447]: warning: usleep is deprecated, and will be removed in near future!
Dec 23 12:58:20 al9dom0 xendomains[2447]: warning: use "sleep 1.35" instead...
Dec 23 12:58:21 al9dom0 xendomains[773]: [ OK ]
Dec 23 12:58:21 al9dom0 systemd[1]: Finished Xendomains - start and stop guests on boot and shutdown.
>xl info
host : al9dom0
release : 6.12.22-1.el9.x86_64
version : #1 SMP PREEMPT_DYNAMIC Tue Apr 8 07:13:53 UTC 2025
machine : x86_64
nr_cpus : 8
max_cpu_id : 7
nr_nodes : 1
cores_per_socket : 4
threads_per_core : 2
cpu_mhz : 3392.292
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 : 11101
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=2048M,max:2084M 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
cc_compiler : gcc (GCC) 13.3.1 20240611 (Red Hat 13.3.1-2)
cc_compile_by : mockbuild
cc_compile_domain : dynavirt.com
cc_compile_date : Tue Dec 23 00:00:00 UTC 2025
build_id : 05adae14d378d7a3578c1c2249ebad7587739820
xend_config_format : 4
>xl list
Name ID Mem VCPUs State Time(s)
Domain-0 0 2048 4 r----- 51.7
al9pv 1 4096 4 -b---- 9.5
jam22 2 3024 4 -b---- 7.8
bookyz 3 4096 6 -b---- 9.6
al10v2 4 6144 6 -b---- 13.4
ub2604 5 1848 4 -b---- 9.2
>grep XEN_ /boot/config-6.12.22-1.el9.x86_64
# CONFIG_DRM_XEN_FRONTEND is not set
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=y
CONFIG_XEN_DEV_EVTCHN=m
CONFIG_XEN_DOM0=y
CONFIG_XEN_EFI=y
CONFIG_XEN_FBDEV_FRONTEND=y
CONFIG_XEN_FRONT_PGDIR_SHBUF=m
CONFIG_XEN_GNTDEV=m
CONFIG_XEN_GRANT_DEV_ALLOC=m
# CONFIG_XEN_GRANT_DMA_ALLOC is not set
CONFIG_XEN_GRANT_DMA_OPS=y
CONFIG_XEN_HAVE_PVMMU=y
CONFIG_XEN_HAVE_VPMU=y
# CONFIG_XEN_MCE_LOG is not set
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=m
CONFIG_XEN_PCI_STUB=y
CONFIG_XEN_PRIVCMD_EVENTFD=y
CONFIG_XEN_PRIVCMD=m
# CONFIG_XEN_PVCALLS_BACKEND is not set
# CONFIG_XEN_PVCALLS_FRONTEND is not set
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 is not set
CONFIG_XEN_VIRTIO=y
CONFIG_XEN_WDT=m
CONFIG_XEN_XENBUS_FRONTEND=y
>qemu-system-i386 -version
QEMU emulator version 9.1.0
Copyright (c) 2003-2024 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
crond.service enabled enabled
dbus-broker.service enabled enabled
dbus.socket enabled enabled
dm-event.socket enabled enabled
dnf-makecache.timer enabled enabled
firewalld.service disabled enabled
getty@.service enabled enabled
import-state.service enabled enabled
irqbalance.service enabled enabled
kdump.service disabled enabled
lm_sensors.service enabled enabled
loadmodules.service enabled enabled
logrotate.timer enabled enabled
lvm2-lvmpolld.socket enabled enabled
lvm2-monitor.service enabled enabled
microcode.service enabled enabled
mlocate-updatedb.timer enabled enabled
nis-domainname.service disabled enabled
rc-local.service enabled-runtime disabled
reboot.target enabled enabled
remote-cryptsetup.target disabled enabled
remote-fs.target 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-boot-update.service disabled enabled
systemd-fsck-root.service enabled-runtime disabled
systemd-networkd.service enabled enabled
systemd-networkd.socket enabled disabled
systemd-network-generator.service enabled enabled
systemd-pstore.service disabled enabled
systemd-remount-fs.service enabled-runtime disabled
systemd-resolved.service enabled disabled
xenconsoled.service enabled disabled
xendomains.service enabled disabled
xen-init-dom0.service enabled disabled
xen-qemu-dom0-disk-backend.service enabled disabled
xenstored.service enabled disabled
>ps aux | grep xen
root 46 0.0 0.0 0 0 ? S 12:57 0:00 [xenbus]
root 47 0.0 0.0 0 0 ? S 12:57 0:00 [xenwatch]
root 59 0.0 0.0 0 0 ? S 12:57 0:00 [xen-balloon]
root 757 0.0 0.1 4168 2652 ? S 12:58 0:00 /usr/sbin/xenstored --pid-file /run/xen/xenstored.pid
root 764 0.0 0.2 72356 5424 ? Ssl 12:58 0:00 /usr/sbin/xenconsoled -i --log=none --log-dir=/var/log/xen/console
root 1006 0.0 0.9 272564 18720 ? Sl 12:58 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 1060 0.0 0.1 72404 2604 ? Ssl 12:58 0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/a_al9pv
root 1278 0.0 0.1 72404 2704 ? Ssl 12:58 0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/d_jam22
root 1778 0.0 0.1 72404 2628 ? Ssl 12:58 0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/f_booky
root 2135 0.0 0.1 72404 2764 ? Ssl 12:58 0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/g_al10v2
root 2445 0.0 0.1 72404 2696 ? Ssl 12:58 0:00 /usr/sbin/xl create --quiet --defconfig /etc/xen/auto/i_ub2604
root 2692 0.5 0.4 21668 8964 pts/5 S+ 13:11 0:00 sudo ./dump_xen_trace tlviewer
root 2694 1.0 0.1 7268 3648 pts/5 S+ 13:11 0:00 /bin/sh ./dump_xen_trace tlviewer
root 2720 0.0 0.1 6416 2212 pts/5 S+ 13:11 0:00 grep xen
>systemd-analyze time
Startup finished in 3.000s (kernel) + 2.498s (initrd) + 22.529s (userspace) = 28.027s
multi-user.target reached after 22.515s in userspace.
>systemd-analyze blame
11.363s xendomains.service
10.183s dev-sda10.device
5.811s dev-sda5.device
5.769s dev-sda8.device
5.760s dev-sda6.device
5.660s dev-sda4.device
5.599s dev-sda1.device
5.593s dev-sda9.device
5.517s dev-sda15.device
5.489s dev-sda2.device
5.281s dev-sda11.device
5.227s dev-sda7.device
4.963s dev-sda.device
4.949s dev-sda3.device
4.829s dev-sda14.device
4.687s dev-sda13.device
4.621s sys-module-configfs.device
4.613s dev-sda12.device
3.932s user@1000.service
2.382s initrd-switch-root.service
813ms systemd-networkd.service
796ms lvm2-monitor.service
553ms sshd.service
388ms dbus-broker.service
382ms xenstored.service
376ms proc-xen.mount
359ms modprobe@fuse.service
345ms systemd-tmpfiles-setup-dev.service
328ms lm_sensors.service
327ms rc-local.service
297ms mnt-zdum.mount
292ms xen-init-dom0.service
290ms rsyslog.service
277ms modprobe@drm.service
267ms systemd-udev-trigger.service
261ms systemd-fsck-root.service
254ms systemd-resolved.service
250ms dev-sda2.swap
237ms systemd-logind.service
232ms systemd-modules-load.service
212ms systemd-random-seed.service
203ms systemd-udevd.service
153ms systemd-sysctl.service
127ms systemd-journald.service
98ms systemd-remount-fs.service
90ms dev-mqueue.mount
86ms sys-kernel-debug.mount
85ms dracut-cmdline.service
84ms sys-kernel-tracing.mount
78ms systemd-tmpfiles-setup.service
75ms kmod-static-nodes.service
53ms dracut-shutdown.service
51ms data1.mount
50ms systemd-journal-flush.service
42ms initrd-parse-etc.service
32ms systemd-update-utmp.service
24ms initrd-cleanup.service
16ms user-runtime-dir@1000.service
14ms initrd-udevadm-cleanup-db.service
14ms systemd-network-generator.service
12ms xenconsoled.service
12ms systemd-user-sessions.service
11ms systemd-update-utmp-runlevel.service
10ms xen-qemu-dom0-disk-backend.service
9ms systemd-vconsole-setup.service
6ms sys-kernel-config.mount
5ms modprobe@configfs.service
4ms tmp.mount
3ms sys-fs-fuse-connections.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.c6d3a125251a 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-6.12.22-1.el9.x86_64
├── config-6.5.10-1.el9.elrepo.x86_64
├── dracut
├── efi
│ └── EFI
│ ├── almalinux
│ │ ├── xen-4.20.efi
│ │ └── xen-4.20-xsm.efi
│ └── centos
├── flask
│ └── xenpolicy-4.20-xsm
├── grub2
│ ├── grub.cfg
│ └── grubenv
├── initramfs-6.12.22-1.el9.x86_64.img
├── initramfs-6.5.10-1.el9.elrepo.x86_64.img
├── kcfg
│ ├── xen-4.20.config
│ └── xen-4.20-xsm.config
├── loader
│ └── entries
│ ├── 9a9456777c6a48f598d90ee5b50c41f4-6.12.22-1.el9.x86_64.conf
│ └── 9a9456777c6a48f598d90ee5b50c41f4-6.5.10-1.el9.elrepo.x86_64.conf
├── symvers-6.12.22-1.el9.x86_64.gz -> /lib/modules/6.12.22-1.el9.x86_64/symvers.gz
├── symvers-6.5.10-1.el9.elrepo.x86_64.gz -> /lib/modules/6.5.10-1.el9.elrepo.x86_64/symvers.gz
├── System.map-6.12.22-1.el9.x86_64
├── System.map-6.5.10-1.el9.elrepo.x86_64
├── vmlinuz-6.12.22-1.el9.x86_64
├── vmlinuz-6.5.10-1.el9.elrepo.x86_64
├── xen-4.20.gz
└── xen-4.20-xsm.gz
10 directories, 21 files
>netstat -an | grep ^tcp
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.54:53 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5355 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 192.168.1.11:22 192.168.1.107:37058 ESTABLISHED
tcp6 0 0 :::5355 :::* LISTEN
tcp6 0 0 :::22 :::* LISTEN