[launchd-dev] 100% repeatable Kernel panic caused by launchd

[Gregory Neagle]

> On May 25, 2016, at 3:05 PM, Camden Narzt <camden.narzt at hotmail.com> wrote:
> 
> I’m sorry, I just assumed anyone doing any dev work on OSX would already run homebrew.

I do lots of development work on OS X. I don't run homebrew.

> 
> A much smaller test case with no installs so definitely a problem with launchd/OS X is as follows:
> 
> cat <<EOF > php.plist
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
> <plist version="1.0">
>  <dict>
>    <key>KeepAlive</key>
>    <dict>
>      <key>OtherJobEnabled</key>
>      <string>org.apache.httpd</string>
>    </dict>
>    <key>Label</key>
>    <string>php</string>
>    <key>ProgramArguments</key>
>    <array>
>      <string>/usr/bin/php</string>
>      <string>--server</string>
>      <string>127.0.0.1:9000</string>
>    </array>
>  </dict>
> </plist>
> EOF
> sudo apachectl start
> launchctl load php.plist
> 
> Cam
> 
> 
>> On May 25, 2016, at 3:23 PM, Axel Luttgens <axel.luttgens at skynet.be> wrote:
>> 
>>> 
>>> Le 24 mai 2016 à 19:52, Camden Narzt a écrit :
>>> 
>>> […]
>>> 
>>> This is 100% reproducible on my MacBook Pro (Retina, 15-inch, Mid 2014) running OS X 10.11.5 (15F34).
>>> 
>>> Steps to reproduce (warning, this will almost certainly cause a kernel panic):
>>> 
>>> /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
>>> brew install opentsdb
>>> ln -s `brew --prefix hbase`/homebrew.mxcl.hbase.plist ~/Library/LaunchAgents/
>>> ln -s `brew --prefix opentsdb`/homebrew.mxcl.opentsdb.plist ~/Library/LaunchAgents/
>>> launchctl load ~/Library/LaunchAgents/homebrew.mxcl.hbase.plist
>>> sleep 15 && launchctl load ~/Library/LaunchAgents/homebrew.mxcl.opentsdb.plist
>>> 
>>> 
>>> Note that running hbase via launchd and starting opentsdb manually does not cause a kernel panic (or any other problems that I’ve noticed).
>>> 
>>> Does anyone have any ideas about why this is happening?
>> 
>> Hello Camden,
>> 
>> Do you mean we have to download/install a lot of things for being able to answer your seemingly innocuous question "any ideas about why this is happening"?
>> We all (well, at least me) on this list are now alarmed about a possible problem with launchd (or even Mac OS X), yet without any clue about that problem.
>> Could you provide us with a case reduced to the bare minimum allowing to reproduce the problem you are encountering?
>> 
>> 
>> TIA,
>> Axel
>> 
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> 
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