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Bug#995470: marked as done (linux-image-5.10.0-0.bpo.8-amd64: kcompactd using cpu %100 despites being disabled in all possible ways)



Your message dated Wed, 19 Feb 2025 16:12:02 +0100 (CET)
with message-id <20250219151202.E1AB5BE2EE7@eldamar.lan>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #995470,
regarding linux-image-5.10.0-0.bpo.8-amd64: kcompactd using cpu %100 despites being disabled in all possible ways
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
995470: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=995470
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: src:linux
Version: 5.10.46-4~bpo10+1
Severity: important
Tags: upstream

Dear Maintainer,

I have a laptop with 32GB RAM on which I continuously run a Win10 VM using VMWare 15.5/16.1 on Debian buster.
Since upgrading to Kernel 5.9 and 5.10 (from backports) the VM is regularly freezing to death. When this
happens, we can see in top than VM consumes 400% cpu (4 cores) and kcompactd0 100% cpu (1 core).

This problem doesn't occur on kernel 5.8.

This problem seems somewhat "known" and the usual recommandation is to disable transparent_hugepage.
I tried several ways to do that, but nothing seems to work. kcompactd0 still kicks in now and then, forcing a
reboot.


Things that (may) lead to problem:
* Using VMWare, and possibly allocating 16GB on a total of 32GB.
  I have no clue how much relevant is the memory size, but all reports I've seen seem to have that setup.
  At least, that's mine.

* Use VM for a long period of time.
  I never shutdown my laptop, only suspend it. Problem definitely occurs after 24h, but I just got it now
  when my PC was rebooted this morning.


What I tried:
* Disable transparent_hugepage:

    echo never > /sys/kernel/mm/transparent_hugepage/enabled
    echo never > /sys/kernel/mm/transparent_hugepage/defrag
    echo 0 > /sys/kernel/mm/transparent_hugepage/khugepaged/defrag

  This is done at boot through systemd service.
  On my system currently:

    $ find /sys/kernel/mm/transparent_hugepage -type f | while read f; do echo $f: $(cat $f); done
    /sys/kernel/mm/transparent_hugepage/defrag: always defer defer+madvise madvise [never]
    /sys/kernel/mm/transparent_hugepage/khugepaged/defrag: 0
    /sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_shared: 256
    /sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs: 10000
    /sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_none: 511
    /sys/kernel/mm/transparent_hugepage/khugepaged/pages_to_scan: 4096
    /sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_swap: 64
    /sys/kernel/mm/transparent_hugepage/khugepaged/alloc_sleep_millisecs: 60000
    /sys/kernel/mm/transparent_hugepage/khugepaged/pages_collapsed: 0
    /sys/kernel/mm/transparent_hugepage/khugepaged/full_scans: 0
    /sys/kernel/mm/transparent_hugepage/enabled: always madvise [never]
    /sys/kernel/mm/transparent_hugepage/use_zero_page: 1
    /sys/kernel/mm/transparent_hugepage/shmem_enabled: always within_size advise [never] deny force
    /sys/kernel/mm/transparent_hugepage/hpage_pmd_size: 2097152

* Disable through grub: add "transparent_hugepage=never" to kernel boot line (through /etc/default/grub, sudo update-grub).

* Upgrade VMWare to latest version.


Outcome:
* kcompactd0 still occuring now and then (like after 10h of use). This freezes VM to death and only fix is to 
  shutdown the VM / reboot the host.


Expected outcome:
* I'd like to disable kcompactd0 definitely so that it never kicks in. The only workaround I have for now is to revert to
  kernel 5.8.

Kind regards,
Michaël

-- Package-specific info:
** Version:
Linux version 5.10.0-0.bpo.8-amd64 (debian-kernel@lists.debian.org) (gcc-8 (Debian 8.3.0-6) 8.3.0, GNU ld (GNU Binutils for Debian) 2.31.1) #1 SMP Debian 5.10.46-4~bpo10+1 (2021-08-07)

** Command line:
BOOT_IMAGE=/vmlinuz-5.10.0-0.bpo.8-amd64 root=/dev/mapper/crypt-root ro consoleblank=0 quiet transparent_hugepage=never

** Tainted: OE (12288)
 * externally-built ("out-of-tree") module was loaded
 * unsigned module was loaded

** Kernel log:
[23742.050162] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:84:2a:fd:5d:7f:cf:08:00 SRC=192.168.1.57 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=49618 PROTO=2 
[23746.337995] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=15320 DF PROTO=UDP SPT=37969 DPT=38840 LEN=542 
[23747.339128] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=15417 DF PROTO=UDP SPT=50159 DPT=38840 LEN=542 
[23748.341398] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=15620 DF PROTO=UDP SPT=46121 DPT=38840 LEN=542 
[23850.348398] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[23866.338488] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=24666 DF PROTO=UDP SPT=39011 DPT=56346 LEN=542 
[23866.747498] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[23866.938098] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:00:11:32:8d:76:ed:08:00 SRC=192.168.1.98 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 
[23867.341629] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=24887 DF PROTO=UDP SPT=51190 DPT=56346 LEN=542 
[23868.342903] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=25101 DF PROTO=UDP SPT=57627 DPT=56346 LEN=542 
[23970.351310] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[23986.343348] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=38145 DF PROTO=UDP SPT=36137 DPT=47939 LEN=542 
[23987.346669] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=38348 DF PROTO=UDP SPT=40629 DPT=47939 LEN=542 
[23988.347158] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=38508 DF PROTO=UDP SPT=52800 DPT=47939 LEN=542 
[23989.350689] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=38719 DF PROTO=UDP SPT=54424 DPT=47939 LEN=542 
[23991.758451] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24090.352815] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24106.344506] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=47710 DF PROTO=UDP SPT=55089 DPT=47056 LEN=542 
[24107.347619] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=47795 DF PROTO=UDP SPT=54294 DPT=47056 LEN=542 
[24108.351207] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=48019 DF PROTO=UDP SPT=37929 DPT=47056 LEN=542 
[24109.355265] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=48266 DF PROTO=UDP SPT=40175 DPT=47056 LEN=542 
[24116.769729] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24210.355993] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24226.345186] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=7941 DF PROTO=UDP SPT=54631 DPT=37903 LEN=542 
[24227.346998] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=7988 DF PROTO=UDP SPT=60461 DPT=37903 LEN=542 
[24228.347586] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=8188 DF PROTO=UDP SPT=43234 DPT=37903 LEN=542 
[24229.350241] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=8304 DF PROTO=UDP SPT=33951 DPT=37903 LEN=542 
[24241.780380] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24241.976885] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:00:11:32:8d:76:ed:08:00 SRC=192.168.1.98 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 
[24330.358906] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24346.346296] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=27757 DF PROTO=UDP SPT=50686 DPT=38528 LEN=542 
[24347.346160] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=27761 DF PROTO=UDP SPT=58672 DPT=38528 LEN=542 
[24348.347540] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=27785 DF PROTO=UDP SPT=42409 DPT=38528 LEN=542 
[24349.350796] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=27896 DF PROTO=UDP SPT=58816 DPT=38528 LEN=542 
[24366.791807] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24450.360649] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24466.346620] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=44079 DF PROTO=UDP SPT=60445 DPT=58308 LEN=542 
[24467.348892] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=44213 DF PROTO=UDP SPT=48846 DPT=58308 LEN=542 
[24468.348670] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=44248 DF PROTO=UDP SPT=56299 DPT=58308 LEN=542 
[24469.352674] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=44488 DF PROTO=UDP SPT=54398 DPT=58308 LEN=542 
[24491.803378] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24570.385800] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24586.348246] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=54854 DF PROTO=UDP SPT=34729 DPT=47925 LEN=542 
[24587.348466] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=54867 DF PROTO=UDP SPT=48480 DPT=47925 LEN=542 
[24588.351458] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=54926 DF PROTO=UDP SPT=49966 DPT=47925 LEN=542 
[24589.352091] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=54943 DF PROTO=UDP SPT=53194 DPT=47925 LEN=542 
[24616.814930] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24690.387423] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24706.350095] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=56666 DF PROTO=UDP SPT=34928 DPT=53195 LEN=542 
[24707.351163] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=56886 DF PROTO=UDP SPT=34528 DPT=53195 LEN=542 
[24708.351917] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=57059 DF PROTO=UDP SPT=59493 DPT=53195 LEN=542 
[24709.352556] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=57101 DF PROTO=UDP SPT=49048 DPT=53195 LEN=542 
[24741.825524] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24741.966646] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:dc:a6:32:69:da:4e:08:00 SRC=192.168.1.94 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 
[24810.389609] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24826.350731] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=63299 DF PROTO=UDP SPT=38237 DPT=53131 LEN=542 
[24827.351327] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=63343 DF PROTO=UDP SPT=42539 DPT=53131 LEN=542 
[24828.351766] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=63388 DF PROTO=UDP SPT=39398 DPT=53131 LEN=542 
[24866.836486] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24866.977093] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:dc:a6:32:69:da:4e:08:00 SRC=192.168.1.94 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 
[24930.390631] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[24946.352586] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=15606 DF PROTO=UDP SPT=52801 DPT=51419 LEN=542 
[24947.353439] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=15730 DF PROTO=UDP SPT=50164 DPT=51419 LEN=542 
[24948.356037] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=15850 DF PROTO=UDP SPT=33940 DPT=51419 LEN=542 
[24962.637995] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:0c:37:96:0f:e3:e9:08:00 SRC=192.168.1.26 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 
[24991.847684] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25050.391904] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25066.359153] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=35005 DF PROTO=UDP SPT=52319 DPT=55332 LEN=542 
[25067.359449] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=35094 DF PROTO=UDP SPT=53040 DPT=55332 LEN=542 
[25068.360667] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=35191 DF PROTO=UDP SPT=55777 DPT=55332 LEN=542 
[25116.858978] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25117.060894] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:84:2a:fd:5d:7f:cf:08:00 SRC=192.168.1.57 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=49622 PROTO=2 
[25170.393856] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25186.355155] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=56985 DF PROTO=UDP SPT=52999 DPT=55154 LEN=542 
[25187.357016] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=57197 DF PROTO=UDP SPT=58417 DPT=55154 LEN=542 
[25188.361091] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=57384 DF PROTO=UDP SPT=33982 DPT=55154 LEN=542 
[25241.869872] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25242.060563] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:84:2a:fd:5d:7f:cf:08:00 SRC=192.168.1.57 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=49623 PROTO=2 
[25290.395032] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25306.355923] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=8342 DF PROTO=UDP SPT=60703 DPT=58956 LEN=542 
[25307.356929] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=8428 DF PROTO=UDP SPT=35922 DPT=58956 LEN=542 
[25308.357782] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=8547 DF PROTO=UDP SPT=37118 DPT=58956 LEN=542 
[25366.880994] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25367.003919] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:00:11:32:8d:76:ed:08:00 SRC=192.168.1.98 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2 
[25410.395800] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25426.356197] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=16836 DF PROTO=UDP SPT=53880 DPT=56422 LEN=542 
[25427.356904] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=16943 DF PROTO=UDP SPT=57745 DPT=56422 LEN=542 
[25428.358078] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=17084 DF PROTO=UDP SPT=52335 DPT=56422 LEN=542 
[25444.538864] pcieport 0000:00:1c.4: Intel SPT PCH root port ACS workaround enabled
[25445.811079] usb usb3: root hub lost power or was reset
[25445.811089] usb usb4: root hub lost power or was reset
[25491.891625] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25492.065882] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:84:2a:fd:5d:7f:cf:08:00 SRC=192.168.1.57 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=49624 PROTO=2 
[25530.398338] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25546.357799] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=36163 DF PROTO=UDP SPT=60074 DPT=33388 LEN=542 
[25547.358698] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=36342 DF PROTO=UDP SPT=46953 DPT=33388 LEN=542 
[25548.361978] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=b0:0c:d1:c9:90:1e:48:b0:2d:13:10:c2:08:00 SRC=192.168.1.88 DST=192.168.1.4 LEN=562 TOS=0x00 PREC=0x00 TTL=64 ID=36424 DF PROTO=UDP SPT=43168 DPT=33388 LEN=542 
[25616.902113] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:01:08:3e:5d:8b:60:cd:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 
[25617.052864] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:84:2a:fd:5d:7f:cf:08:00 SRC=192.168.1.57 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=49625 PROTO=2 
[25650.400379] [UFW BLOCK] IN=enp0s31f6 OUT= MAC=01:00:5e:00:00:fb:08:3e:5d:8b:60:cd:08:00 SRC=10.1.1.1 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2 

** Model information
sys_vendor: HP
product_name: HP EliteBook 840 G5
product_version: 
chassis_vendor: HP
chassis_version: 
bios_vendor: HP
bios_version: Q78 Ver. 01.04.00
board_vendor: HP
board_name: 83B2
board_version: KBC Version 04.53.00

** Loaded modules:
uinput
loop
hidp
sha512_ssse3
sha512_generic
md4
nls_utf8
cifs
dns_resolver
fscache
libdes
xt_MASQUERADE
nf_conntrack_netlink
xfrm_user
xfrm_algo
nft_chain_nat
br_netfilter
bridge
stp
llc
vmnet(OE)
vmw_vsock_vmci_transport
vsock
tun
vmw_vmci
vmmon(OE)
rfcomm
cmac
algif_hash
algif_skcipher
af_alg
overlay
bnep
intel_pmc_core_pltdrv
intel_pmc_core
binfmt_misc
snd_hda_codec_hdmi
snd_soc_skl
iwlmvm
x86_pkg_temp_thermal
snd_hda_codec_conexant
snd_hda_codec_generic
snd_soc_hdac_hda
mei_hdcp
mei_wdt
intel_rapl_msr
ledtrig_audio
intel_powerclamp
snd_hda_ext_core
snd_soc_sst_ipc
coretemp
mac80211
snd_soc_sst_dsp
snd_soc_acpi_intel_match
snd_soc_acpi
snd_hda_intel
kvm_intel
snd_intel_dspcfg
btusb
btrtl
btbcm
soundwire_intel
libarc4
soundwire_generic_allocation
btintel
nf_log_ipv6
kvm
ip6t_REJECT
nf_reject_ipv6
irqbypass
bluetooth
iwlwifi
snd_soc_core
snd_compress
xt_hl
rapl
soundwire_cadence
nls_ascii
intel_cstate
ip6_tables
snd_hda_codec
nls_cp437
ip6t_rt
vfat
intel_uncore
snd_usb_audio
fat
snd_hda_core
jitterentropy_rng
cfg80211
snd_usbmidi_lib
drbg
snd_hwdep
snd_rawmidi
uvcvideo
soundwire_bus
hp_wmi
snd_seq_device
pcspkr
sparse_keymap
ansi_cprng
nf_log_ipv4
nf_log_common
videobuf2_vmalloc
joydev
snd_pcm_oss
videobuf2_memops
ecdh_generic
intel_wmi_thunderbolt
serio_raw
efi_pstore
snd_mixer_oss
ipt_REJECT
snd_pcm
wmi_bmof
nf_reject_ipv4
iTCO_wdt
xt_LOG
intel_pmc_bxt
snd_timer
xt_multiport
videobuf2_v4l2
iTCO_vendor_support
snd
watchdog
ee1004
videobuf2_common
soundcore
ucsi_acpi
videodev
typec_ucsi
mei_me
processor_thermal_device
intel_xhci_usb_role_switch
intel_rapl_common
rfkill
ecc
hid_multitouch
nft_limit
mei
roles
intel_pch_thermal
intel_soc_dts_iosf
mc
typec
int3403_thermal
int340x_thermal_zone
int3400_thermal
acpi_thermal_rel
xt_limit
hp_wireless
evdev
acpi_pad
xt_addrtype
ac
xt_tcpudp
xt_conntrack
nft_compat
nft_counter
nf_conntrack_netbios_ns
nf_conntrack_broadcast
nf_nat_ftp
nf_nat
nf_conntrack_ftp
nf_conntrack
nf_defrag_ipv6
nf_defrag_ipv4
nf_tables
parport_pc
libcrc32c
ppdev
nfnetlink
sunrpc
lp
parport
fuse
configfs
efivarfs
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
crc32c_generic
dm_crypt
dm_mod
hid_jabra
usbhid
hid_generic
i915
crc32_pclmul
crc32c_intel
ghash_clmulni_intel
nvme
i2c_algo_bit
nvme_core
drm_kms_helper
aesni_intel
cec
xhci_pci
t10_pi
libaes
crc_t10dif
crypto_simd
drm
xhci_hcd
crct10dif_generic
cryptd
glue_helper
e1000e
psmouse
usbcore
thunderbolt
i2c_i801
ptp
crct10dif_pclmul
intel_lpss_pci
pps_core
i2c_smbus
crct10dif_common
intel_lpss
i2c_hid
idma64
usb_common
hid
wmi
battery
video
button

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [8086:5914] (rev 08)
	Subsystem: Hewlett-Packard Company Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [103c:83b2]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: skl_uncore

00:02.0 VGA compatible controller [0300]: Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA controller])
	Subsystem: Hewlett-Packard Company UHD Graphics 620 [103c:83b2]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 157
	Region 0: Memory at 1ff2000000 (64-bit, non-prefetchable) [size=16M]
	Region 2: Memory at 1fc0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at 3000 [size=64]
	[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

00:04.0 Signal processing controller [1180]: Intel Corporation Skylake Processor Thermal Subsystem [8086:1903] (rev 08)
	Subsystem: Hewlett-Packard Company Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [103c:83b2]
	Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at 1ff3010000 (64-bit, non-prefetchable) [size=32K]
	Capabilities: <access denied>
	Kernel driver in use: proc_thermal
	Kernel modules: processor_thermal_device

00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller [8086:9d2f] (rev 21) (prog-if 30 [XHCI])
	Subsystem: Hewlett-Packard Company Sunrise Point-LP USB 3.0 xHCI Controller [103c:83b2]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 145
	Region 0: Memory at b6320000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Thermal subsystem [8086:9d31] (rev 21)
	Subsystem: Hewlett-Packard Company Sunrise Point-LP Thermal subsystem [103c:83b2]
	Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at 1ff3020000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel_pch_thermal
	Kernel modules: intel_pch_thermal

00:15.0 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 [8086:9d60] (rev 21)
	Subsystem: Hewlett-Packard Company Sunrise Point-LP Serial IO I2C Controller [103c:83b2]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at 1ff301f000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci

00:15.1 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 [8086:9d61] (rev 21)
	Subsystem: Hewlett-Packard Company Sunrise Point-LP Serial IO I2C Controller [103c:83b2]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin B routed to IRQ 17
	Region 0: Memory at 1ff301e000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci

00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP CSME HECI #1 [8086:9d3a] (rev 21)
	Subsystem: Hewlett-Packard Company Sunrise Point-LP CSME HECI [103c:83b2]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 158
	Region 0: Memory at 1ff301d000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: mei_me
	Kernel modules: mei_me

00:16.3 Serial controller [0700]: Intel Corporation Sunrise Point-LP Active Management Technology - SOL [8086:9d3d] (rev 21) (prog-if 02 [16550])
	Subsystem: Hewlett-Packard Company Sunrise Point-LP Active Management Technology - SOL [103c:83b2]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin D routed to IRQ 19
	Region 0: I/O ports at 3060 [size=8]
	Region 1: Memory at b6334000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: serial

00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port [8086:9d13] (rev f1) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin D routed to IRQ 122
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	Memory behind bridge: b6200000-b62fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.4 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 [8086:9d14] (rev f1) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 123
	Bus: primary=00, secondary=02, subordinate=3a, sec-latency=0
	I/O behind bridge: 00004000-00005fff
	Memory behind bridge: a0000000-b60fffff
	Prefetchable memory behind bridge: 0000001fd0000000-0000001ff1ffffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1d.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 [8086:9d18] (rev f1) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 124
	Bus: primary=00, secondary=3b, subordinate=3b, sec-latency=0
	Memory behind bridge: b6100000-b61fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point LPC Controller/eSPI Controller [8086:9d4e] (rev 21)
	Subsystem: Hewlett-Packard Company Sunrise Point LPC Controller/eSPI Controller [103c:83b2]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0

00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC [8086:9d21] (rev 21)
	Subsystem: Hewlett-Packard Company Sunrise Point-LP PMC [103c:83b2]
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Region 0: Memory at b6330000 (32-bit, non-prefetchable) [disabled] [size=16K]

00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d71] (rev 21) (prog-if 80)
	Subsystem: Hewlett-Packard Company Sunrise Point-LP HD Audio [103c:83b2]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 64
	Interrupt: pin A routed to IRQ 160
	Region 0: Memory at 1ff3018000 (64-bit, non-prefetchable) [size=16K]
	Region 4: Memory at 1ff3000000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel, snd_soc_skl

00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] (rev 21)
	Subsystem: Hewlett-Packard Company Sunrise Point-LP SMBus [103c:83b2]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at 1ff301c000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at efa0 [size=32]
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801

00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4) I219-LM [8086:15d7] (rev 21)
	Subsystem: Hewlett-Packard Company Ethernet Connection (4) I219-LM [103c:83b2]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 144
	Region 0: Memory at b6300000 (32-bit, non-prefetchable) [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: e1000e
	Kernel modules: e1000e

01:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 78)
	Subsystem: Intel Corporation Wireless 8265 / 8275 (Dual Band Wireless-AC 8265) [8086:0010]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 159
	Region 0: Memory at b6200000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi

02:00.0 PCI bridge [0604]: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] [8086:15da] (rev 02) (prog-if 00 [Normal decode])
	Physical Slot: 4
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 16
	Bus: primary=02, secondary=03, subordinate=3a, sec-latency=0
	I/O behind bridge: 00004000-00004fff
	Memory behind bridge: a0000000-b60fffff
	Prefetchable memory behind bridge: 0000001fd0000000-0000001ff1ffffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

03:00.0 PCI bridge [0604]: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] [8086:15da] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 125
	Bus: primary=03, secondary=04, subordinate=04, sec-latency=0
	Memory behind bridge: b6000000-b60fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

03:01.0 PCI bridge [0604]: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] [8086:15da] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 126
	Bus: primary=03, secondary=05, subordinate=39, sec-latency=0
	I/O behind bridge: 00004000-00004fff
	Memory behind bridge: a0000000-b5efffff
	Prefetchable memory behind bridge: 0000001fd0000000-0000001ff1ffffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

03:02.0 PCI bridge [0604]: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] [8086:15da] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 127
	Bus: primary=03, secondary=3a, subordinate=3a, sec-latency=0
	Memory behind bridge: b5f00000-b5ffffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

04:00.0 System peripheral [0880]: Intel Corporation JHL6340 Thunderbolt 3 NHI (C step) [Alpine Ridge 2C 2016] [8086:15d9] (rev 02)
	Subsystem: Intel Corporation JHL6340 Thunderbolt 3 NHI (C step) [Alpine Ridge 2C 2016] [8086:0000]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at b6000000 (32-bit, non-prefetchable) [size=256K]
	Region 1: Memory at b6040000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: thunderbolt
	Kernel modules: thunderbolt

3a:00.0 USB controller [0c03]: Intel Corporation JHL6340 Thunderbolt 3 USB 3.1 Controller (C step) [Alpine Ridge 2C 2016] [8086:15db] (rev 02) (prog-if 30 [XHCI])
	Subsystem: Intel Corporation JHL6340 Thunderbolt 3 USB 3.1 Controller (C step) [Alpine Ridge 2C 2016] [8086:0000]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 128 bytes
	Interrupt: pin A routed to IRQ 147
	Region 0: Memory at b5f00000 (32-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

3b:00.0 Non-Volatile memory controller [0108]: Sandisk Corp WD Black 2018 / PC SN720 NVMe SSD [15b7:5002] (prog-if 02 [NVM Express])
	Subsystem: Sandisk Corp WD Black 2018 / PC SN720 NVMe SSD [15b7:5002]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 16
	NUMA node: 0
	Region 0: Memory at b6100000 (64-bit, non-prefetchable) [size=16K]
	Region 4: Memory at b6104000 (64-bit, non-prefetchable) [size=256]
	Capabilities: <access denied>
	Kernel driver in use: nvme
	Kernel modules: nvme


** USB devices:
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 05c8:0808 Cheng Uei Precision Industry Co., Ltd (Foxlink) 
Bus 001 Device 010: ID 138a:00ab Validity Sensors, Inc. 
Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
Bus 001 Device 002: ID 0b0e:0e41 GN Netcom 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: 10.10
  APT prefers oldstable
  APT policy: (500, 'oldstable'), (450, 'testing'), (400, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.10.0-0.bpo.8-amd64 (SMP w/8 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-5.10.0-0.bpo.8-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.133+deb10u1
ii  kmod                                    26-1
ii  linux-base                              4.6

Versions of packages linux-image-5.10.0-0.bpo.8-amd64 recommends:
ii  apparmor             2.13.2-10
ii  firmware-linux-free  20200122-1

Versions of packages linux-image-5.10.0-0.bpo.8-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-efi-amd64          2.02+dfsg1-20+deb10u4
pn  linux-doc-5.10          <none>

Versions of packages linux-image-5.10.0-0.bpo.8-amd64 is related to:
pn  firmware-amd-graphics     <none>
pn  firmware-atheros          <none>
pn  firmware-bnx2             <none>
pn  firmware-bnx2x            <none>
pn  firmware-brcm80211        <none>
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
ii  firmware-iwlwifi          20210818-1
pn  firmware-libertas         <none>
pn  firmware-linux-nonfree    <none>
ii  firmware-misc-nonfree     20210818-1
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
pn  firmware-realtek          <none>
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information

--- End Message ---
--- Begin Message ---
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---

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