steam相关窗口反复退出重启，游戏使用Shift+Tab同时出现多套相关窗口，
检查日志发现反复出现coredump。
日志：
10月 07 13:52:40 Chglish systemd-coredump[51561]: [🡕] Process 51039 (steamwebhelper) of user 1000 dumped core.
Stack trace of thread 51039:
#0 0x00007ff836b0e81f n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x670e81f)
#1 0x00007ff836b0e2eb n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x670e2eb)
#2 0x00007ff836b0e899 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x670e899)
#3 0x00007ff832df79aa n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x29f79aa)
#4 0x00007ff836ef2791 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x6af2791)
#5 0x00007ff836f00f2b n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x6b00f2b)
#6 0x00007ff836eee4a5 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x6aee4a5)
#7 0x00007ff832d6926f n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x296926f)
#8 0x00007ff836f12f1f n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x6b12f1f)
#9 0x00007ff836b5e8cf n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x675e8cf)
#10 0x00007ff836b7f7e6 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x677f7e6)
#11 0x00007ff836b1570c n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x671570c)
#12 0x00007ff836b7ff81 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x677ff81)
#13 0x00007ff836b3ff1e n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x673ff1e)
#14 0x00007ff83c7abfe4 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0xc3abfe4)
#15 0x00007ff8365eff85 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x61eff85)
#16 0x00007ff8365f0699 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x61f0699)
#17 0x00007ff8365f1435 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x61f1435)
#18 0x00007ff8365ef5f0 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x61ef5f0)
#19 0x00007ff832d3030c n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x293030c)
#20 0x00007ff832d19077 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x2919077)
#21 0x00007ff832c87b11 cef_execute_process (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x2887b11)
#22 0x0000555c0e6bffbe n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/steamwebhelper + 0x941fbe)
#23 0x0000555c0e27632f n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/steamwebhelper + 0x4f832f)
#24 0x0000555c0e27edf2 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/steamwebhelper + 0x500df2)
#25 0x00007ff82f027675 n/a (/run/host/usr/lib/libc.so.6 + 0x27675)
#26 0x00007ff82f027729 n/a (/run/host/usr/lib/libc.so.6 + 0x27729)
#27 0x0000555c0e08802a n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/steamwebhelper + 0x30a02a)
Stack trace of thread 51042:
#0 0x00007ff82f09f042 n/a (/run/host/usr/lib/libc.so.6 + 0x9f042)
#1 0x00007ff82f09381c n/a (/run/host/usr/lib/libc.so.6 + 0x9381c)
#2 0x00007ff82f095ede n/a (/run/host/usr/lib/libc.so.6 + 0x95ede)
#3 0x00007ff836bb6e96 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x67b6e96)
#4 0x00007ff836be1bd9 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x67e1bd9)
#5 0x00007ff836b5b6cc n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x675b6cc)
#6 0x00007ff836b9a8ed n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x679a8ed)
#7 0x00007ff836b998c8 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x67998c8)
#8 0x00007ff836b994fd n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x67994fd)
#9 0x00007ff836b9940d n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x679940d)
#10 0x00007ff836bb7683 n/a (/home/Chglish/.local/share/Steam/ubuntu12_64/libcef.so + 0x67b7683)
#11 0x00007ff82f0969cb n/a (/run/host/usr/lib/libc.so.6 + 0x969cb)
#12 0x00007ff82f11aa0c n/a (/run/host/usr/lib/libc.so.6 + 0x11aa0c)
ELF object binary architecture: AMD x86-64
░░ Subject: 进程 51039 (steamwebhelper) 核心已转储
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel
░░ Documentation: man:core(5)
░░
░░ 进程 51039 (steamwebhelper) 已崩溃并进行核心转储。
░░
░░ 这通常意味着崩溃程序中存在编程错误，并应当将此错误向其开发者报告。
英文维基上有个相似的帖子，但是没有回复。