ionic serve: segmention fault (core dumped) on WSL Ubuntu 18.04

[renatop7]

Description:

When I try to use ionic serve I get the following output:

> ng run app:serve --host=0.0.0.0 --port=8100
Segmentation fault (core dumped)

If I use npx ng serve it works and I can load my app on my browser.

One strange thing is that when I use ionic serve it breaks my WSL instance, I can no longer connect to the internet through the terminal, for example, if I try to install some package the connection hangs and never downloads it, until it finally times out.

It even mess with my Windows internet connection and I have to restart the WSL container to make it work normally again, it feels like some kind of proxy is acting.

Output:

ionic serve --verbose

  ionic:lib Terminal info: { tty: true, ci: false, windows: false } +0ms
  ionic:lib CLI global options: { _: [ 'serve' ], help: null, h: null, verbose: true, quiet: null, interactive: true, color: true, confirm: null, json: null, project: null, '--': [] } +5ms
  ionic:lib:project Project type from config: @ionic/angular (angular) +0ms
  ionic:lib:project Project details: { configPath: '/home/renatop/projects/medico-aqui/ionic.config.json', errors: [], context: 'app', type: 'angular' } +1ms
  ionic Context: { binPath: '/home/renatop/.nvm/versions/node/v10.15.3/lib/node_modules/ionic/bin/ionic', libPath: '/home/renatop/.nvm/versions/node/v10.15.3/lib/node_modules/ionic', execPath: '/home/renatop/projects/medico-aqui', version: '4.12.0' } +0ms
  ionic:lib:telemetry Sending telemetry for command: 'ionic serve' [ '--verbose', '--interactive', '--color' ] +0ms
  ionic:lib:hooks Looking for ionic:serve:before npm script. +0ms
  ionic:utils-network checking for open port on 0.0.0.0:8100 +0ms
  ionic:utils-network checking for open port on 127.0.0.1:8100 +4ms
  ionic:utils-network checking for open port on ::1:8100 +1ms
  ionic:utils-network checking for open port on 192.168.1.100:8100 +1ms
  ionic:utils-network checking for open port on fe80::41e8:5654:e7ce:a1e4:8100 +1ms
  ionic:lib:serve Looking for ionic:serve npm script. +0ms
> ng run app:serve --host=0.0.0.0 --port=8100
[ng] Fri, 24 May 2019 23:50:57 GMT portfinder:defaultHosts exports._defaultHosts is: [ '0.0.0.0', '127.0.0.1', '::1', '192.168.1.100', 'fe80::41e8:5654:e7ce:a1e4', null ]
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback: host is 0.0.0.0
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort entered testPort(): trying 0.0.0.0 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort done w/ testPort(): OK 0.0.0.0 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback testPort() callback with a success for port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback: host is 127.0.0.1
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort entered testPort(): trying 127.0.0.1 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort done w/ testPort(): OK 127.0.0.1 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback testPort() callback with a success for port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback: host is ::1
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort entered testPort(): trying ::1 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort done w/ testPort(): OK ::1 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback testPort() callback with a success for port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback: host is 192.168.1.100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort entered testPort(): trying 192.168.1.100 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort done w/ testPort(): OK 192.168.1.100 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback testPort() callback with a success for port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback: host is fe80::41e8:5654:e7ce:a1e4
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort entered testPort(): trying fe80::41e8:5654:e7ce:a1e4 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort done w/ testPort(): OK fe80::41e8:5654:e7ce:a1e4 port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback testPort() callback with a success for port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback: host is null
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort entered testPort(): trying null port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:testPort done w/ testPort(): OK null port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() iteration callback testPort() callback with a success for port 8100
[ng] Fri, 24 May 2019 23:50:59 GMT portfinder:getPort in eachSeries() result callback: openPorts is [ 8100, 8100, 8100, 8100, 8100, 8100 ]
  ionic:lib:serve awaiting TCP connection to 0.0.0.0:8100 +4s
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "x-powered-by" to true
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "etag" to 'weak'
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "etag fn" to [Function: generateETag]
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "env" to 'development'
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "query parser" to 'extended'
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "query parser fn" to [Function: parseExtendedQueryString]
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "subdomain offset" to 2
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "trust proxy" to false
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "trust proxy fn" to [Function: trustNone]
[ng] Fri, 24 May 2019 23:50:59 GMT express:application booting in development mode
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "view" to [Function: View]
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "views" to '/home/renatop/projects/medico-aqui/views'
[ng] Fri, 24 May 2019 23:50:59 GMT express:application set "jsonp callback name" to 'callback'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router use '/' query
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router use '/' expressInit
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route new '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route acl '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route bind '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route checkout '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route connect '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route copy '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route delete '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route get '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route head '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route link '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route lock '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route m-search '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route merge '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route mkactivity '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route mkcalendar '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route mkcol '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route move '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route notify '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route options '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route patch '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route post '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route propfind '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route proppatch '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route purge '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route put '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route rebind '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route report '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route search '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route source '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route subscribe '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route trace '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route unbind '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route unlink '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route unlock '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:route unsubscribe '*'
[ng] Fri, 24 May 2019 23:50:59 GMT express:router:layer new '/'
Segmentation fault (core dumped)

My ionic info:

Ionic:

   ionic (Ionic CLI)             : 4.12.0 (/home/renatop/.nvm/versions/node/v10.15.3/lib/node_modules/ionic)
   Ionic Framework               : @ionic/angular 4.4.2
   @angular-devkit/build-angular : 0.10.7
   @angular-devkit/schematics    : 7.0.7
   @angular/cli                  : 7.3.9
   @ionic/angular-toolkit        : 1.2.0

Cordova:

   cordova (Cordova CLI) : 9.0.0 (cordova-lib@9.0.1)
   Cordova Platforms     : not available
   Cordova Plugins       : not available

System:

   NodeJS : v10.15.3 (/home/renatop/.nvm/versions/node/v10.15.3/bin/node)
   npm    : 6.4.1
   OS     : Linux 4.4

Other Information:

Win10 - Version 1809

[Piturd]

Same here Any solutions?

[brane53]

Oh my gosh, this is happening to me too! Experienced it on the exact same day @renatop7 did, ironically enough. I thought I was going crazy. The whole internet connection went to crap after running ionic serve. Had to fall back to ng serve, but not after having to restart my computer.

[imhoffd]

What happens if you try npx ng serve --host=0.0.0.0 ?

[renatop7]

What happens if you try npx ng serve --host=0.0.0.0 ?

Works just like npx ng serve

[florianmonfort]

Hi all

I get a segmentation fault (core dumped) error every time I try to run ionic after switching branches in my current repository or after stopping the current server.

I get the following result:

`➜ diningcity-assistant git:(issue-2381) ionic serve

ng run app:serve --host=localhost --port=8100 [INFO] Waiting for connectivity with ng... [INFO] Waiting for connectivity with ng... [1] 177 segmentation fault (core dumped) ionic serve`

Doing npx ng serve does not solve it and I get errors as well.

What's really strange is that it works well the first time, it's only after trying to start the server a second time afterwards that it breaks.

[florianmonfort]

For additional information I have found that shutting down the WSL instance and re-starting it is the only way I found to run it again, so I have to do it every single time:

wsl.exe -t ubuntu