Updated to kernel 5.4.0-67-generic and Xen DomU stoped working

Asked by Martin Assarsson on 2021-03-18

I reverted to 5.4.0-66 and all went up again.
Should this be reported as a bug?

root@vm1:~# xl list
Name ID Mem VCPUs State Time(s)
Domain-0 0 5120 24 r----- 133.7
root@vm1:~# xl -vvv create -d git.cfg
Failed to read config file: git.cfg: No such file or directory
xencall:buffer: debug: total allocations:9 total releases:9
xencall:buffer: debug: current allocations:0 maximum allocations:1
xencall:buffer: debug: cache current size:1
xencall:buffer: debug: cache hits:8 misses:1 toobig:0
xencall:buffer: debug: total allocations:0 total releases:0
xencall:buffer: debug: current allocations:0 maximum allocations:0
xencall:buffer: debug: cache current size:0
xencall:buffer: debug: cache hits:0 misses:0 toobig:0
root@vm1:~# xl -vvv create -d /etc/xen/git.cfg
Parsing config from /etc/xen/git.cfg
{
    "c_info": {
        "type": "pv",
        "name": "git",
        "uuid": "5f8e6016-09ee-4c84-96c4-a61f3be45087",
        "run_hotplug_scripts": "True"
    },
    "b_info": {
        "max_vcpus": 4,
        "avail_vcpus": [
            0,
            1,
            2,
            3
        ],
        "max_memkb": 16777216,
        "target_memkb": 8388608,
        "shadow_memkb": 135168,
        "sched_params": {

        },
        "claim_mode": "True",
        "cmdline": "root=/dev/xvda2 ro",
        "bootloader": "pygrub",
        "type.pv": {

        },
        "arch_arm": {

        }
    },
    "disks": [
        {
            "pdev_path": "/dev/vg0/git-disk",
            "vdev": "xvda2",
            "format": "raw",
            "readwrite": 1
        },
        {
            "pdev_path": "/dev/vg0/git-swap",
            "vdev": "xvda1",
            "format": "raw",
            "readwrite": 1
        }
    ],
    "nics": [
        {
            "devid": 0,
            "mac": "00:16:3e:39:21:d8"
        }
    ],
    "on_reboot": "restart",
    "on_crash": "restart",
    "on_soft_reset": "soft_reset"
}
libxl: debug: libxl_create.c:1671:do_domain_create: Domain 0:ao 0x55aa94b71390: create: how=(nil) callback=(nil) poller=0x55aa94b71620
libxl: debug: libxl_device.c:396:libxl__device_disk_set_backend: Disk vdev=xvda2 spec.backend=unknown
libxl: debug: libxl_device.c:430:libxl__device_disk_set_backend: Disk vdev=xvda2, using backend phy
libxl: debug: libxl_device.c:396:libxl__device_disk_set_backend: Disk vdev=xvda1 spec.backend=unknown
libxl: debug: libxl_device.c:430:libxl__device_disk_set_backend: Disk vdev=xvda1, using backend phy
libxl: debug: libxl_create.c:1007:initiate_domain_create: Domain 7:running bootloader
libxl: debug: libxl_disk.c:986:libxl__device_disk_local_initiate_attach: Trying to find local path
libxl: debug: libxl_disk.c:918:libxl__device_disk_find_local_path: Directly accessing local RAW disk /dev/vg0/git-disk
libxl: debug: libxl_disk.c:991:libxl__device_disk_local_initiate_attach: Local path found, executing callback.
libxl: debug: libxl_bootloader.c:421:bootloader_disk_attached_cb: Domain 7:Config bootloader value: pygrub
libxl: debug: libxl_bootloader.c:439:bootloader_disk_attached_cb: Domain 7:Checking for bootloader in libexec path: /usr/lib/xen-4.11/bin/pygrub
libxl: debug: libxl_create.c:1708:do_domain_create: Domain 0:ao 0x55aa94b71390: inprogress: poller=0x55aa94b71620, flags=i
libxl: debug: libxl_event.c:635:libxl__ev_xswatch_register: watch w=0x55aa94b7bdb0 wpath=/local/domain/7 token=3/0: register slotnum=3
libxl: debug: libxl_event.c:2184:libxl__ao_progress_report: ao 0x55aa94b71390: progress report: ignored
libxl: debug: libxl_bootloader.c:553:bootloader_gotptys: Domain 7:executing bootloader: /usr/lib/xen-4.11/bin/pygrub
libxl: debug: libxl_bootloader.c:557:bootloader_gotptys: Domain 7: bootloader arg: /usr/lib/xen-4.11/bin/pygrub
libxl: debug: libxl_bootloader.c:557:bootloader_gotptys: Domain 7: bootloader arg: --args=root=/dev/xvda2 ro
libxl: debug: libxl_bootloader.c:557:bootloader_gotptys: Domain 7: bootloader arg: --output=/var/run/xen/bootloader.7.out
libxl: debug: libxl_bootloader.c:557:bootloader_gotptys: Domain 7: bootloader arg: --output-format=simple0
libxl: debug: libxl_bootloader.c:557:bootloader_gotptys: Domain 7: bootloader arg: --output-directory=/var/run/xen/bootloader.7.d
libxl: debug: libxl_bootloader.c:557:bootloader_gotptys: Domain 7: bootloader arg: /dev/vg0/git-disk
libxl: debug: libxl_event.c:572:watchfd_callback: watch w=0x55aa94b7bdb0 wpath=/local/domain/7 token=3/0: event epath=/local/domain/7
libxl: debug: libxl_bootloader.c:655:bootloader_finished: Domain 7:bootloader completed
libxl: debug: libxl_bootloader.c:139:bootloader_result_command: Domain 7:bootloader output contained kernel /var/run/xen/bootloader.7.d/boot_kernel.N8Rwhq
libxl: debug: libxl_bootloader.c:139:bootloader_result_command: Domain 7:bootloader output contained ramdisk /var/run/xen/bootloader.7.d/boot_ramdisk.csxJgK
libxl: debug: libxl_bootloader.c:139:bootloader_result_command: Domain 7:bootloader output contained args root=/dev/xvda2 ro elevator=noop root=/dev/xvda2 ro
libxl: debug: libxl_bootloader.c:668:bootloader_finished: Domain 7:bootloader execution successful
libxl: debug: libxl_event.c:672:libxl__ev_xswatch_deregister: watch w=0x55aa94b7bdb0 wpath=/local/domain/7 token=3/0: deregister slotnum=3
libxl: debug: libxl_numa.c:498:libxl__get_numa_candidate: New best NUMA placement candidate found: nr_nodes=1, nr_cpus=12, nr_vcpus=28, free_memkb=62695
libxl: detail: libxl_dom.c:202:numa_place_domain: NUMA placement candidate with 1 nodes, 12 cpus and 62695 KB free selected
domainbuilder: detail: xc_dom_allocate: cmdline="root=/dev/xvda2 ro elevator=noop root=/dev/xvda2 ro", features=""
libxl: debug: libxl_dom.c:784:libxl__build_pv: pv kernel mapped 1 path /var/run/xen/bootloader.7.d/boot_kernel.N8Rwhq
domainbuilder: detail: xc_dom_kernel_mem: called
domainbuilder: detail: xc_dom_module_mem: called
domainbuilder: detail: xc_dom_boot_xen_init: ver 4.11, caps xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
domainbuilder: detail: xc_dom_parse_image: called
domainbuilder: detail: xc_dom_find_loader: trying multiboot-binary loader ...
domainbuilder: detail: loader probe failed
domainbuilder: detail: xc_dom_find_loader: trying HVM-generic loader ...
domainbuilder: detail: loader probe failed
domainbuilder: detail: xc_dom_find_loader: trying Linux bzImage loader ...
domainbuilder: detail: xc_dom_malloc : 30643 kB
domainbuilder: detail: xc_dom_do_gunzip: unzip ok, 0x7c6174 -> 0x1decc14
domainbuilder: detail: loader probe OK
xc: detail: ELF: phdr: paddr=0x1000000 memsz=0x122c000
xc: detail: ELF: phdr: paddr=0x2400000 memsz=0x281000
xc: detail: ELF: phdr: paddr=0x2681000 memsz=0x24000
xc: detail: ELF: phdr: paddr=0x26a5000 memsz=0x51c000
xc: detail: ELF: memory: 0x1000000 -> 0x2bc1000
xc: detail: ELF: note: GUEST_OS = "linux"
xc: detail: ELF: note: GUEST_VERSION = "2.6"
xc: detail: ELF: note: XEN_VERSION = "xen-3.0"
xc: detail: ELF: note: VIRT_BASE = 0xffffffff80000000
xc: detail: ELF: note: INIT_P2M = 0x8000000000
xc: detail: ELF: note: ENTRY = 0xffffffff826a5180
xc: detail: ELF: note: HYPERCALL_PAGE = 0xffffffff81001000
xc: detail: ELF: note: FEATURES = "!writable_page_tables|pae_pgdir_above_4gb"
xc: detail: ELF: note: SUPPORTED_FEATURES = 0x801
xc: detail: ELF: note: PAE_MODE = "yes"
xc: detail: ELF: note: LOADER = "generic"
xc: detail: ELF: note: unknown (0xd)
xc: detail: ELF: note: SUSPEND_CANCEL = 0x1
xc: detail: ELF: note: MOD_START_PFN = 0x1
xc: detail: ELF: note: HV_START_LOW = 0xffff800000000000
xc: detail: ELF: note: PADDR_OFFSET = 0
xc: detail: ELF: note: PHYS32_ENTRY = 0x10003f0
xc: detail: ELF: Found PVH image
xc: detail: ELF: addresses:
xc: detail: virt_base = 0xffffffff80000000
xc: detail: elf_paddr_offset = 0x0
xc: detail: virt_offset = 0xffffffff80000000
xc: detail: virt_kstart = 0xffffffff81000000
xc: detail: virt_kend = 0xffffffff82bc1000
xc: detail: virt_entry = 0xffffffff826a5180
xc: detail: p2m_base = 0x8000000000
domainbuilder: detail: xc_dom_parse_elf_kernel: xen-3.0-x86_64: 0xffffffff81000000 -> 0xffffffff82bc1000
domainbuilder: detail: xc_dom_mem_init: mem 8192 MB, pages 0x200000 pages, 4k each
domainbuilder: detail: xc_dom_mem_init: 0x200000 pages
domainbuilder: detail: xc_dom_boot_mem_init: called
domainbuilder: detail: x86_compat: guest xen-3.0-x86_64, address size 64
domainbuilder: detail: xc_dom_malloc : 16384 kB
domainbuilder: detail: xc_dom_build_image: called
domainbuilder: detail: xc_dom_malloc : 166 kB
domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x1000+0x1bc1 at 0x7f5e9c652000
domainbuilder: detail: xc_dom_alloc_segment: kernel : 0xffffffff81000000 -> 0xffffffff82bc1000 (pfn 0x1000 + 0x1bc1 pages)
xc: detail: ELF: phdr 0 at 0x7f5e9c652000 -> 0x7f5e9d87e000
xc: detail: ELF: phdr 1 at 0x7f5e9da52000 -> 0x7f5e9dcd3000
xc: detail: ELF: phdr 2 at 0x7f5e9dcd3000 -> 0x7f5e9dcf7000
xc: detail: ELF: phdr 3 at 0x7f5e9dcf7000 -> 0x7f5e9df3e000
domainbuilder: detail: xc_dom_alloc_page : start info : 0xffffffff82bc1000 (pfn 0x2bc1)
domainbuilder: detail: xc_dom_alloc_page : xenstore : 0xffffffff82bc2000 (pfn 0x2bc2)
domainbuilder: detail: xc_dom_alloc_page : console : 0xffffffff82bc3000 (pfn 0x2bc3)
domainbuilder: detail: count_pgtables: 0x0000007fffffffff/39: 0x0000ff8000000000 -> 0x0000ffffffffffff, 1 table(s)
domainbuilder: detail: count_pgtables: 0x000000003fffffff/30: 0x0000ffff80000000 -> 0x0000ffffbfffffff, 1 table(s)
domainbuilder: detail: count_pgtables: 0x00000000001fffff/21: 0x0000ffff80000000 -> 0x0000ffff82ffffff, 24 table(s)
domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x2bc4+0x1b at 0x7f5ea413b000
domainbuilder: detail: xc_dom_alloc_segment: page tables : 0xffffffff82bc4000 -> 0xffffffff82bdf000 (pfn 0x2bc4 + 0x1b pages)
domainbuilder: detail: xc_dom_alloc_page : boot stack : 0xffffffff82bdf000 (pfn 0x2bdf)
domainbuilder: detail: xc_dom_build_image : virt_alloc_end : 0xffffffff82be0000
domainbuilder: detail: xc_dom_build_image : virt_pgtab_end : 0xffffffff83000000
domainbuilder: detail: xc_dom_malloc : 232 kB
domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x3000+0x26cd at 0x7f5e99f85000
domainbuilder: detail: xc_dom_alloc_segment: module0 : 0xffffffff83000000 -> 0xffffffff856cd000 (pfn 0x3000 + 0x26cd pages)
domainbuilder: detail: xc_dom_do_gunzip: unzip ok, 0xe263e4 -> 0x26cca10
domainbuilder: detail: count_pgtables: 0x0000007fffffffff/39: 0x0000008000000000 -> 0x000000ffffffffff, 1 table(s)
domainbuilder: detail: count_pgtables: 0x000000003fffffff/30: 0x0000008000000000 -> 0x000000803fffffff, 1 table(s)
domainbuilder: detail: count_pgtables: 0x00000000001fffff/21: 0x0000008000000000 -> 0x0000008000ffffff, 8 table(s)
domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x56cd+0x100a at 0x7f5e98f7b000
domainbuilder: detail: xc_dom_alloc_segment: phys2mach : 0xffffffff856cd000 -> 0xffffffff866d7000 (pfn 0x56cd + 0x100a pages)
domainbuilder: detail: xc_dom_boot_image: called
domainbuilder: detail: xc_dom_compat_check: supported guest type: xen-3.0-x86_64 <= matches
domainbuilder: detail: xc_dom_compat_check: supported guest type: xen-3.0-x86_32p
domainbuilder: detail: xc_dom_compat_check: supported guest type: hvm-3.0-x86_32
domainbuilder: detail: xc_dom_compat_check: supported guest type: hvm-3.0-x86_32p
domainbuilder: detail: xc_dom_compat_check: supported guest type: hvm-3.0-x86_64
domainbuilder: detail: xc_dom_update_guest_p2m: dst 64bit, pages 0x200000
domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x2bc1+0x1 at 0x7f5ea40ff000
domainbuilder: detail: start_info_x86_64: called
domainbuilder: detail: setup_hypercall_page: vaddr=0xffffffff81001000 pfn=0x1001
domainbuilder: detail: domain builder memory footprint
domainbuilder: detail: allocated
domainbuilder: detail: malloc : 46 MB
domainbuilder: detail: anon mmap : 0 bytes
domainbuilder: detail: mapped
domainbuilder: detail: file mmap : 0 bytes
domainbuilder: detail: domU mmap : 82 MB
domainbuilder: detail: bootlate_pv: shared_info: pfn 0x0, mfn 0xbd7b7
domainbuilder: detail: shared_info_x86_64: called
domainbuilder: detail: vcpu_x86_64: called
domainbuilder: detail: vcpu_x86_64: cr3: pfn 0x2bc4 mfn 0x100e3c4
domainbuilder: detail: xc_dom_release: called
libxl: debug: libxl_device.c:396:libxl__device_disk_set_backend: Disk vdev=xvda2 spec.backend=phy
libxl: debug: libxl_event.c:635:libxl__ev_xswatch_register: watch w=0x55aa94b7ab20 wpath=/local/domain/0/backend/vbd/7/51714/state token=3/1: register slotnum=3
libxl: debug: libxl_device.c:396:libxl__device_disk_set_backend: Disk vdev=xvda1 spec.backend=phy
libxl: debug: libxl_event.c:635:libxl__ev_xswatch_register: watch w=0x55aa94b79370 wpath=/local/domain/0/backend/vbd/7/51713/state token=2/2: register slotnum=2
libxl: debug: libxl_event.c:572:watchfd_callback: watch w=0x55aa94b7ab20 wpath=/local/domain/0/backend/vbd/7/51714/state token=3/1: event epath=/local/domain/0/backend/vbd/7/51714/state
libxl: debug: libxl_event.c:877:devstate_callback: backend /local/domain/0/backend/vbd/7/51714/state wanted state 2 still waiting state 1
libxl: debug: libxl_event.c:572:watchfd_callback: watch w=0x55aa94b79370 wpath=/local/domain/0/backend/vbd/7/51713/state token=2/2: event epath=/local/domain/0/backend/vbd/7/51713/state
libxl: debug: libxl_event.c:877:devstate_callback: backend /local/domain/0/backend/vbd/7/51713/state wanted state 2 still waiting state 1
libxl: debug: libxl_aoutils.c:88:xswait_timeout_callback: backend /local/domain/0/backend/vbd/7/51714/state (hoping for state change to 2): xswait timeout (path=/local/domain/0/backend/vbd/7/51714/state)
libxl: debug: libxl_event.c:672:libxl__ev_xswatch_deregister: watch w=0x55aa94b7ab20 wpath=/local/domain/0/backend/vbd/7/51714/state token=3/1: deregister slotnum=3
libxl: debug: libxl_event.c:861:devstate_callback: backend /local/domain/0/backend/vbd/7/51714/state wanted state 2 timed out
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b7ab20: deregister unregistered
libxl: debug: libxl_device.c:1117:device_backend_callback: Domain 7:calling device_backend_cleanup
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b7ab20: deregister unregistered
libxl: error: libxl_device.c:1130:device_backend_callback: Domain 7:unable to add device with path /local/domain/0/backend/vbd/7/51714
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b7ac20: deregister unregistered
libxl: debug: libxl_aoutils.c:88:xswait_timeout_callback: backend /local/domain/0/backend/vbd/7/51713/state (hoping for state change to 2): xswait timeout (path=/local/domain/0/backend/vbd/7/51713/state)
libxl: debug: libxl_event.c:672:libxl__ev_xswatch_deregister: watch w=0x55aa94b79370 wpath=/local/domain/0/backend/vbd/7/51713/state token=2/2: deregister slotnum=2
libxl: debug: libxl_event.c:861:devstate_callback: backend /local/domain/0/backend/vbd/7/51713/state wanted state 2 timed out
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b79370: deregister unregistered
libxl: debug: libxl_device.c:1117:device_backend_callback: Domain 7:calling device_backend_cleanup
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b79370: deregister unregistered
libxl: error: libxl_device.c:1130:device_backend_callback: Domain 7:unable to add device with path /local/domain/0/backend/vbd/7/51713
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b79470: deregister unregistered
libxl: error: libxl_create.c:1299:domcreate_launch_dm: Domain 7:unable to add disk devices
libxl: debug: libxl_event.c:635:libxl__ev_xswatch_register: watch w=0x55aa94b742c0 wpath=/local/domain/0/backend/vbd/7/51714/state token=2/3: register slotnum=2
libxl: debug: libxl_event.c:635:libxl__ev_xswatch_register: watch w=0x55aa94b74680 wpath=/local/domain/0/backend/vbd/7/51713/state token=3/4: register slotnum=3
libxl: debug: libxl_event.c:572:watchfd_callback: watch w=0x55aa94b742c0 wpath=/local/domain/0/backend/vbd/7/51714/state token=2/3: event epath=/local/domain/0/backend/vbd/7/51714/state
libxl: debug: libxl_event.c:877:devstate_callback: backend /local/domain/0/backend/vbd/7/51714/state wanted state 6 still waiting state 5
libxl: debug: libxl_event.c:572:watchfd_callback: watch w=0x55aa94b74680 wpath=/local/domain/0/backend/vbd/7/51713/state token=3/4: event epath=/local/domain/0/backend/vbd/7/51713/state
libxl: debug: libxl_event.c:877:devstate_callback: backend /local/domain/0/backend/vbd/7/51713/state wanted state 6 still waiting state 5
libxl: debug: libxl_aoutils.c:88:xswait_timeout_callback: backend /local/domain/0/backend/vbd/7/51714/state (hoping for state change to 6): xswait timeout (path=/local/domain/0/backend/vbd/7/51714/state)
libxl: debug: libxl_event.c:672:libxl__ev_xswatch_deregister: watch w=0x55aa94b742c0 wpath=/local/domain/0/backend/vbd/7/51714/state token=2/3: deregister slotnum=2
libxl: debug: libxl_event.c:861:devstate_callback: backend /local/domain/0/backend/vbd/7/51714/state wanted state 6 timed out
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b742c0: deregister unregistered
libxl: debug: libxl_device.c:1117:device_backend_callback: Domain 7:calling device_backend_cleanup
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b742c0: deregister unregistered
libxl: error: libxl_device.c:1130:device_backend_callback: Domain 7:unable to remove device with path /local/domain/0/backend/vbd/7/51714
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b743c0: deregister unregistered
libxl: debug: libxl_aoutils.c:88:xswait_timeout_callback: backend /local/domain/0/backend/vbd/7/51713/state (hoping for state change to 6): xswait timeout (path=/local/domain/0/backend/vbd/7/51713/state)
libxl: debug: libxl_event.c:672:libxl__ev_xswatch_deregister: watch w=0x55aa94b74680 wpath=/local/domain/0/backend/vbd/7/51713/state token=3/4: deregister slotnum=3
libxl: debug: libxl_event.c:861:devstate_callback: backend /local/domain/0/backend/vbd/7/51713/state wanted state 6 timed out
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b74680: deregister unregistered
libxl: debug: libxl_device.c:1117:device_backend_callback: Domain 7:calling device_backend_cleanup
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b74680: deregister unregistered
libxl: error: libxl_device.c:1130:device_backend_callback: Domain 7:unable to remove device with path /local/domain/0/backend/vbd/7/51713
libxl: debug: libxl_event.c:686:libxl__ev_xswatch_deregister: watch w=0x55aa94b74780: deregister unregistered
libxl: error: libxl_domain.c:1107:devices_destroy_cb: Domain 7:libxl__devices_destroy failed
libxl: debug: libxl_domain.c:1172:devices_destroy_cb: Domain 7:Forked pid 2549 for destroy of domain
libxl: debug: libxl_event.c:1869:libxl__ao_complete: ao 0x55aa94b71390: complete, rc=-3
libxl: debug: libxl_event.c:1838:libxl__ao__destroy: ao 0x55aa94b71390: destroy
libxl: debug: libxl_domain.c:902:libxl_domain_destroy: Domain 7:ao 0x55aa94b7a0d0: create: how=(nil) callback=(nil) poller=0x55aa94b71620
libxl: error: libxl_domain.c:1034:libxl__destroy_domid: Domain 7:Non-existant domain
libxl: error: libxl_domain.c:993:domain_destroy_callback: Domain 7:Unable to destroy guest
libxl: error: libxl_domain.c:920:domain_destroy_cb: Domain 7:Destruction of domain failed
libxl: debug: libxl_event.c:1869:libxl__ao_complete: ao 0x55aa94b7a0d0: complete, rc=-21
libxl: debug: libxl_domain.c:911:libxl_domain_destroy: Domain 7:ao 0x55aa94b7a0d0: inprogress: poller=0x55aa94b71620, flags=ic
libxl: debug: libxl_event.c:1838:libxl__ao__destroy: ao 0x55aa94b7a0d0: destroy
xencall:buffer: debug: total allocations:301 total releases:301
xencall:buffer: debug: current allocations:0 maximum allocations:3
xencall:buffer: debug: cache current size:3
xencall:buffer: debug: cache hits:272 misses:3 toobig:26
xencall:buffer: debug: total allocations:0 total releases:0
xencall:buffer: debug: current allocations:0 maximum allocations:0
xencall:buffer: debug: cache current size:0
xencall:buffer: debug: cache hits:0 misses:0 toobig:0
root@vm1:~#

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if you boot an older kernel is it ok?

Martin Assarsson (assar63) said : #2

@andrew
Yes!
5.4.0-66 works and this is also the one I'm running on at the moment, so I'm not in a sinking ship.

I suggest you report a bug

Martin Assarsson (assar63) said : #5

Thanks actionparsnip, that solved my question.