一般是内存爆掉卡了

应该不是这个原因，我内存16g
开机以后，只开一个pycharm也会出现这个情况，内存是够用的。

项目目录下有日志：
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f763eaccd57, pid=26405, tid=26504
#
# JRE version: OpenJDK Runtime Environment (11.0.6+8) (build 11.0.6+8-b765.40)
# Java VM: OpenJDK 64-Bit Server VM (11.0.6+8-b765.40, mixed mode, tiered, compressed oops, concurrent mark sweep gc, linux-amd64)
# Problematic frame:
# C  [libc.so.6+0x39d57]
#
# No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#

---------------  S U M M A R Y ------------

Command Line: -Xms128m -Xmx750m -XX:ReservedCodeCacheSize=240m -XX:+UseConcMarkSweepGC -XX:SoftRefLRUPolicyMSPerMB=50 -ea -XX:CICompilerCount=2 -Dsun.io.useCanonPrefixCache=false -Djdk.http.auth.tunneling.disabledSchemes="" -XX:+HeapDumpOnOutOfMemoryError -XX:-OmitStackTraceInFastThrow -Djdk.attach.allowAttachSelf=true -Dkotlinx.coroutines.debug=off -Djdk.module.illegalAccess.silent=true -Dawt.useSystemAAFontSettings=lcd -Dsun.java2d.renderer=sun.java2d.marlin.MarlinRenderingEngine -Dsun.tools.attach.tmp.only=true -Dide.no.platform.update=true -Didea.plugins.path=/home/qiaocc/.local/share/JetBrains/Toolbox/apps/PyCharm-P/ch-0/201.7223.92.plugins -XX:ErrorFile=/home/qiaocc/java_error_in_PYCHARM_%p.log -XX:HeapDumpPath=/home/qiaocc/java_error_in_PYCHARM.hprof -Didea.paths.selector=PyCharm2020.1 -Djb.vmOptionsFile=/home/qiaocc/.local/share/JetBrains/Toolbox/apps/PyCharm-P/ch-0/201.7223.92.vmoptions -Didea.platform.prefix=Python com.intellij.idea.Main

Host:

将不会写入任何核心转储。核心转储已被禁用。为了使核心转储，尝试“的ulimit -c无限”启动Java再次之前

楼主你的2020怎么安装的，我安装了JDK1.8之后，安装pycharm还是提示找不到JDK1.8

是在商店安装的版本吗? 要不考虑去jetbrain下载社区版, 解压后在bin文件夹下执行./pycharm.sh就行

商店里有pycharm可以下载吗？