---

ubuntu@ubuntu:~$ sudo sh -c 'echo "1022 43bd" > /sys/bus/pci/drivers/ahci/new_id'
ubuntu@ubuntu:~$ dmesg | tail -15
dmesg: read kernel buffer failed: Operation not permitted
ubuntu@ubuntu:~$ sudo dmesg | tail -15
[  487.602344]  sdb: sdb1
[  487.602666] sd 4:0:0:0: [sdb] Attached SCSI disk
[  487.864979] ata7: SATA link down (SStatus 0 SControl 300)
[  488.170753] ata8: SATA link down (SStatus 0 SControl 300)
[  488.663795] kauditd_printk_skb: 6 callbacks suppressed
[  488.663801] audit: type=1400 audit(1786001905.658:165): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8662 comm="pvscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.663808] audit: type=1400 audit(1786001905.658:166): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8662 comm="pvscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.663811] audit: type=1400 audit(1786001905.658:167): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8662 comm="pvscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.663842] audit: type=1400 audit(1786001905.658:168): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8662 comm="pvscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.724907] audit: type=1400 audit(1786001905.719:169): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8663 comm="vgscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.724918] audit: type=1400 audit(1786001905.719:170): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8663 comm="vgscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.724922] audit: type=1400 audit(1786001905.719:171): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8663 comm="vgscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.724925] audit: type=1400 audit(1786001905.719:172): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8663 comm="vgscan" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.777685] audit: type=1400 audit(1786001905.771:173): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8664 comm="vgchange" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
[  488.777696] audit: type=1400 audit(1786001905.771:174): apparmor="ALLOWED" operation="getattr" class="posix_mqueue" profile="snap.ubuntu-desktop-bootstrap.subiquity-server" name="/" pid=8664 comm="vgchange" requested="getattr" denied="getattr" class="posix_mqueue" fsuid=0 ouid=0 olabel="unconfined"
ubuntu@ubuntu:~$ lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
loop0    7:0    0   3.2G  1 loop /rofs
loop1    7:1    0 565.3M  1 loop 
loop2    7:2    0 770.2M  1 loop 
loop3    7:3    0  19.6M  1 loop /snap/desktop-security-center/150
loop4    7:4    0  66.8M  1 loop /snap/core24/1587
loop5    7:5    0     4K  1 loop /snap/bare/5
loop6    7:6    0 273.7M  1 loop /snap/firefox/8107
loop7    7:7    0  16.5M  1 loop /snap/firmware-updater/226
loop8    7:8    0 606.1M  1 loop /snap/gnome-46-2404/153
loop9    7:9    0   395M  1 loop /snap/mesa-2404/1165
loop10   7:10   0  15.7M  1 loop /snap/snap-store/1367
loop11   7:11   0  91.7M  1 loop /snap/gtk-common-themes/1535
loop12   7:12   0  18.8M  1 loop /snap/prompting-client/204
loop13   7:13   0  49.3M  1 loop /snap/snapd/26865
loop14   7:14   0 227.6M  1 loop /snap/thunderbird/1057
loop15   7:15   0 115.3M  1 loop /snap/ubuntu-desktop-bootstrap/589
loop16   7:16   0   580K  1 loop /snap/snapd-desktop-integration/361
sda      8:0    1    15G  0 disk 
└─sda1   8:1    1    15G  0 part /cdrom
sdb      8:16   0 149.1G  0 disk 
└─sdb1   8:17   0   149G  0 part 
ubuntu@ubuntu:~$