我是 Linux 新手，手头的问题是 Ubuntu 一直冻结或重新启动，不知道从哪里开始查找确切的问题。我去了另一个论坛，按照他们说的命令执行了系统错误，但不知道如何处理这些信息，所以我将提供尽可能多的信息来帮助缩小范围。以我的技能水平，这是我能得到的所有信息。感谢您提供的任何帮助。
Computer Specs:
description: Motherboard
product: M11BB
vendor: ASUSTeK COMPUTER INC.
physical id: 0
version: Rev X.0x
serial: 131017391201484
slot: To be filled by O.E.M.
description: System Memory
physical id: 2b
slot: System board or motherboard
size: 8GiB
capabilities: ecc
configuration: errordetection=multi-bit-ecc
*-bank:0
description: CPU
product: AMD A10-6700 APU with Radeon(tm) HD Graphics
vendor: Advanced Micro Devices [AMD]
physical id: 3f
bus info: cpu@0
version: AMD A10-6700 APU with Radeon(tm) HD Graphics
slot: FM2
size: 1868MHz
capacity: 3700MHz
width: 64 bits
clock: 100MHz
capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp x86-64 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave avx f16c lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid_msr tbm topoext perfctr_core perfctr_nb cpb hw_pstate ssbd vmmcall bmi1 arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold cpufreq
configuration: cores=4 enabledcores=4 threads=4
description: VGA compatible controller
product: Oland PRO [Radeon R7 240/340]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:36 memory:c0000000-cfffffff memory:fea00000-fea3ffff ioport:e000(size=256) memory:c0000-dffff
*-multimedia
description: Audio device
product: Oland/Hainan/Cape Verde/Pitcairn HDMI Audio [Radeon HD 7000 Series]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0.1
bus info: pci@0000:01:00.1
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:35 memory:fea60000-fea63fff
dmesg came up with this error or code:
[ 388.008101] audit: type=1400 audit(1587789241.393:3018): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/mime/mime.cache" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 388.008112] audit: type=1400 audit(1587789241.393:3019): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/mime/globs2" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 388.008119] audit: type=1400 audit(1587789241.393:3020): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/mime/magic" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 388.008128] audit: type=1400 audit(1587789241.393:3021): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/mime/aliases" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 388.008134] audit: type=1400 audit(1587789241.393:3022): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/mime/subclasses" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 388.008141] audit: type=1400 audit(1587789241.393:3023): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/mime/icons" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 388.008147] audit: type=1400 audit(1587789241.393:3024): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/mime/generic-icons" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 391.452025] audit: type=1400 audit(1587789244.837:3025): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/icons/Yaru/icon-theme.cache" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 391.452032] audit: type=1400 audit(1587789244.837:3026): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/icons/Yaru/8x8/emblems/" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 391.452478] audit: type=1400 audit(1587789244.837:3027): apparmor="DENIED" operation="open" profile="snap.snap-store.ubuntu-software" name="/var/lib/snapd/hostfs/usr/share/icons/Yaru/icon-theme.cache" pid=2021 comm="pool-org.gnome." requested_mask="r" denied_mask="r" fsuid=1000 ouid=0