当我使用 Kubuntu 安装程序创建的加密 LLVM 卷（未经进一步定制）启动全新安装的 Kubuntu 23.04 时，出现了约 90 秒的挂起。
当启动挂起时，我看到了 Kubuntu 启动画面。
查看 dmesg 的输出，我不知道该往哪里看，如果能得到任何指点，我将非常高兴。摘自 dmesg：
[snip]
[ 10.101831] input: HDA Intel PCH Front Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input15
[ 10.101867] input: HDA Intel PCH Rear Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input16
[ 10.101892] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1f.3/sound/card0/input17
[ 10.101913] input: HDA Intel PCH Line Out as /devices/pci0000:00/0000:00:1f.3/sound/card0/input18
[ 10.101936] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1f.3/sound/card0/input19
[ 10.780731] loop0: detected capacity change from 0 to 8
[ 10.781940] EXT4-fs (nvme0n1p2): mounted filesystem xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx with ordered data mode. Quota mode: none.
[ 10.781992] loop1: detected capacity change from 0 to 149488
[ 10.782535] loop2: detected capacity change from 0 to 149720
[ 10.782992] loop3: detected capacity change from 0 to 495928
[ 10.785986] loop4: detected capacity change from 0 to 498592
[ 10.788070] loop5: detected capacity change from 0 to 943224
[ 10.790246] loop6: detected capacity change from 0 to 942872
[ 10.792170] loop7: detected capacity change from 0 to 187776
[ 10.794978] loop8: detected capacity change from 0 to 102072
[ 10.796585] loop9: detected capacity change from 0 to 109032
[ 10.831368] audit: type=1400 audit(1684910795.895:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-senddoc" pid=935 comm="apparmor_parser"
[ 10.831461] audit: type=1400 audit(1684910795.895:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-xpdfimport" pid=937 comm="apparmor_parser"
[ 10.831545] audit: type=1400 audit(1684910795.895:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/haveged" pid=941 comm="apparmor_parser"
[ 10.831918] audit: type=1400 audit(1684910795.895:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lsb_release" pid=929 comm="apparmor_parser"
[ 10.832420] audit: type=1400 audit(1684910795.899:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-oosplash" pid=934 comm="apparmor_parser"
[ 10.832524] audit: type=1400 audit(1684910795.899:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=930 comm="apparmor_parser"
[ 10.832534] audit: type=1400 audit(1684910795.899:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod" pid=930 comm="apparmor_parser"
[ 10.833457] audit: type=1400 audit(1684910795.899:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/man" pid=932 comm="apparmor_parser"
[ 10.833466] audit: type=1400 audit(1684910795.899:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="man_filter" pid=932 comm="apparmor_parser"
[ 10.833473] audit: type=1400 audit(1684910795.899:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="man_groff" pid=932 comm="apparmor_parser"
[ 100.058873] kauditd_printk_skb: 25 callbacks suppressed
[ 100.058875] audit: type=1400 audit(1684910885.123:37): apparmor="STATUS" operation="profile_replace" info="same as current profile, skipping" profile="unconfined" name="rsyslogd" pid=1008 comm="apparmor_parser"
[ 100.076442] audit: type=1400 audit(1684910885.143:38): apparmor="DENIED" operation="capable" class="cap" profile="/usr/sbin/cupsd" pid=1113 comm="cupsd" capability=12 capname="net_admin"
[ 100.124379] RTL8226B_RTL8221B 2.5Gbps PHY r8169-0-500:00: attached PHY driver (mii_bus:phy_addr=r8169-0-500:00, irq=MAC)
[ 100.324582] r8169 0000:05:00.0 enp5s0: Link is Down
[ 100.590480] loop10: detected capacity change from 0 to 8
[ 102.660852] r8169 0000:05:00.0 enp5s0: Link is Up - 1Gbps/Full - flow control off
[ 102.660863] IPv6: ADDRCONF(NETDEV_CHANGE): enp5s0: link becomes ready
[ 102.662121] r8169 0000:05:00.0 enp5s0: Link is Up - 1Gbps/Full - flow control off
[ 102.662146] r8169 0000:05:00.0 enp5s0: Link is Down
[ 105.730946] r8169 0000:05:00.0 enp5s0: Link is Up - 1Gbps/Full - flow control off
[ 115.464695] audit: type=1400 audit(1684910900.531:39): apparmor="DENIED" operation="capable" class="cap" profile="/snap/snapd/19122/usr/lib/snapd/snap-confine" pid=1903 comm="snap-confine" capability=12 capname="net_admin"
[ 115.464702] audit: type=1400 audit(1684910900.531:40): apparmor="DENIED" operation="capable" class="cap" profile="/snap/snapd/19122/usr/lib/snapd/snap-confine" pid=1903 comm="snap-confine" capability=38 capname="perfmon"
[ 115.675756] audit: type=1400 audit(1684910900.739:41): apparmor="DENIED" operation="open" class="file" profile="snap-update-ns.firefox" name="/var/lib/" pid=1944 comm="5" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 115.675807] audit: type=1400 audit(1684910900.739:42): apparmor="DENIED" operation="open" class="file" profile="snap-update-ns.firefox" name="/var/lib/" pid=1944 comm="5" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 115.675942] audit: type=1400 audit(1684910900.739:43): apparmor="DENIED" operation="open" class="file" profile="snap-update-ns.firefox" name="/var/lib/" pid=1944 comm="5" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 115.675969] audit: type=1400 audit(1684910900.739:44): apparmor="DENIED" operation="open" class="file" profile="snap-update-ns.firefox" name="/var/lib/" pid=1944 comm="5" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 116.335800] audit: type=1400 audit(1684910901.399:45): apparmor="DENIED" operation="unlink" class="file" profile="snap.firefox.firefox" name="/dev/char/195:255" pid=2014 comm="firefox" requested_mask="d" denied_mask="d" fsuid=1001 ouid=0
[ 116.335896] audit: type=1400 audit(1684910901.399:46): apparmor="DENIED" operation="unlink" class="file" profile="snap.firefox.firefox" name="/dev/char/195:0" pid=2014 comm="firefox" requested_mask="d" denied_mask="d" fsuid=1001 ouid=0
[ 116.335930] audit: type=1400 audit(1684910901.399:47): apparmor="DENIED" operation="unlink" class="file" profile="snap.firefox.firefox" name="/dev/char/195:0" pid=2014 comm="firefox" requested_mask="d" denied_mask="d" fsuid=1001 ouid=0
[ 116.335980] audit: type=1400 audit(1684910901.399:48): apparmor="DENIED" operation="unlink" class="file" profile="snap.firefox.firefox" name="/dev/char/195:0" pid=2014 comm="firefox" requested_mask="d" denied_mask="d" fsuid=1001 ouid=0
[snip]
我看到了apparmor="DENIED"有关附近的 cupsd 的信息。这可能与延迟有关吗？