Gnome随机冻结并在Ubuntu 18.04.4LTS上崩溃

我最近在笔记本电脑上与Windows 10一起安装了ubuntu18.04LTS。最近(系统更新后),gnome开始随机崩溃。首先,我在Wine上玩一些游戏时就意识到了这一点,因为游戏停止了对任何动作的响应,例如作为keydown或mousemove。然后在使用VLC时会出现提示,但界面没有出现,但是视频却没有。当我使用killall vlc时,它没有用。该界面一直保持到下次启动。现在我使用firefox来浏览网页,会在没有通知的情况下崩溃—侧栏冻结,并且所有窗口的标题栏都消失了,所以我实际上无法控制它们。并且冻结时终端有时不起作用(使用Ctrl + Alt + T无效)

我不使用gnome的任何扩展。

我的硬件:Intel 8265U |显卡-NVIDIA Geforce MX250(实际上不使用,我总是在CPU内使用Intel UHD 620)| teamgroup 16GB DDR4

这是上次崩溃的日志文件。/var/log/apport.log

ERROR: apport (pid 8618) Mon May 18 03:08:13 2020: called for pid 1558, signal 6, core limit 18446744073709551615, dump mode 1
ERROR: apport (pid 8618) Mon May 18 03:08:13 2020: ignoring implausibly big core limit, treating as unlimited
ERROR: apport (pid 8618) Mon May 18 03:08:13 2020: executable: /usr/bin/Xwayland (command line "/usr/bin/Xwayland :1024 -rootless -terminate -accessx -core -listen 4 -listen 5 -displayfd 6")
ERROR: apport (pid 8618) Mon May 18 03:08:13 2020: debug: session gdbus call: (true,)

ERROR: apport (pid 8618) Mon May 18 03:08:13 2020: apport: report /var/crash/_usr_bin_Xwayland.121.crash already exists and unseen, doing nothing to avoid disk usage DoS
~                               

这是_usr_bin_Xwayland.121.crash中的一些信息(太长,无法发布所有信息)

ProblemType: Crash
Architecture: amd64
CurrentDesktop: GNOME-Greeter:GNOME
Date: Thu May 14 16:56:28 2020
DistroRelease: Ubuntu 18.04
ExecutablePath: /usr/bin/Xwayland
ExecutableTimestamp: 1571667977
ProcCmdline: /usr/bin/Xwayland :1024 -rootless -terminate -accessx -core -listen 4 -listen 5 -displayfd 6
ProcCwd: /var/lib/gdm3
ProcEnviron:
 LANGUAGE=zh_CN:zh
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=zh_CN.UTF-8
 SHELL=/bin/false
ProcMaps:
 55746838f000-5574685b3000 r-xp 00000000 08:08 134521                     /usr/bin/Xwayland
 5574687b2000-5574687b8000 r--p 00223000 08:08 134521                     /usr/bin/Xwayland
 5574687b8000-5574687c0000 rw-p 00229000 08:08 134521                     /usr/bin/Xwayland
 5574687c0000-5574687e0000 rw-p 00000000 00:00 0 
 55746a1dd000-55746a778000 rw-p 00000000 00:00 0                          [heap]
 7f8854000000-7f8854021000 rw-p 00000000 00:00 0 
 7f8854021000-7f8858000000 ---p 00000000 00:00 0 
 7f8858000000-7f8858021000 rw-p 00000000 00:00 0 

...

ProcStatus:
 Name:  Xwayland
 Umask: 0002
 State: S (sleeping)
 Tgid:  1552
 Ngid:  0
 Pid:   1552
 PPid:  1
 TracerPid: 0
 Uid:   121 121 121 121
 Gid:   125 125 125 125
 FDSize:    64
 Groups:    125 
 NStgid:    1552
 NSpid: 1552
 NSpgid:    1453
 NSsid: 1453
 VmPeak:     1019500 kB
 VmSize:      958016 kB
 VmLck:        0 kB
 VmPin:        0 kB
 VmHWM:    58852 kB
 VmRSS:    58852 kB
 RssAnon:      15720 kB
 RssFile:      43076 kB
 RssShmem:        56 kB
 VmData:       90712 kB
 VmStk:      132 kB
 VmExe:     2192 kB
 VmLib:   132116 kB
 VmPTE:      644 kB
 VmSwap:           0 kB
 HugetlbPages:         0 kB
 CoreDumping:   1
 THP_enabled:   1
 Threads:   10
 SigQ:  0/63391
 SigPnd:    0000000000000000
 ShdPnd:    0000000000000000
 SigBlk:    000000000a392000
 SigIgn:    0000000000001000
 SigCgt:    00000001c18064cf
 CapInh:    0000000000000000
 CapPrm:    0000000000000000
 CapEff:    0000000000000000
 CapBnd:    0000003fffffffff
 CapAmb:    0000000000000000
 NoNewPrivs:    0
 Seccomp:   0
 Speculation_Store_Bypass:  thread vulnerable
 Cpus_allowed:  ff
 Cpus_allowed_list: 0-7
 Mems_allowed:  00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
 Mems_allowed_list: 0
 voluntary_ctxt_switches:   892
 nonvoluntary_ctxt_switches:    6
Signal: 6
Uname: Linux 5.3.0-53-generic x86_64
UserGroups: 
_LogindSession: c1
CoreDump: base64
 H4sICAAAAAAC/0NvcmVEdW1wAA==

重要的一点是,这种想法是随机发生的,当cpu使用率较高时,这种情况会更常见,例如打开大文件,在页面上快速滑动或进行游戏。

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