This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

plugin location /usr/lib64/mozilla/plugins not used in firefox 47.0.1, works in 38.8.0

  • 1 tontu
  • 1 am na jafe-jafe bii
  • 1 view
  • i mujjee tontu mooy Scuzzball

more options

I'm running slackware 14.1.

I have /usr/lib64/mozilla/plugins/libflashplayer.so (Installed from alienbob's repo)

If I run firefox 38.8.0, it gets loaded

$ strace -e open /usr/bin/firefox 2>&1 | grep libflashplayer.so

open("/usr/lib64/mozilla/plugins/libflashplayer.so", O_RDONLY|O_CLOEXEC) = 48


But if I run firefox 47.0.1 it is not loaded.

$ strace -e open /usr/local/bin/firefox 2>&1 | grep libflashplayer.so


However, if I set MOZ_PLUGIN_PATH=/usr/lib64/mozilla/plugins, it works.

$ MOZ_PLUGIN_PATH=/usr/lib64/mozilla/plugins strace -e open /usr/local/lib/firefox 2>&1 | grep libflashplayer.so

open("/usr/lib64/mozilla/plugins/libflashplayer.so", O_RDONLY|O_CLOEXEC) = 44


38.8.0 is from the initial slackware install, and 47.0.1 is manually downloaded from mozilla.org, installed in /opt and symlinked to /usr/local/bin.


I've attached the "troubleshooting information" from 47.0.1.

How do I go about debugging this? Is this actually an issue, or is it just expected that I export MOZ_PLUGIN_PATH in my dotfiles?

I'm running slackware 14.1. I have /usr/lib64/mozilla/plugins/libflashplayer.so (Installed from alienbob's repo) If I run firefox 38.8.0, it gets loaded $ strace -e open /usr/bin/firefox 2>&1 | grep libflashplayer.so open("/usr/lib64/mozilla/plugins/libflashplayer.so", O_RDONLY|O_CLOEXEC) = 48 But if I run firefox 47.0.1 it is not loaded. $ strace -e open /usr/local/bin/firefox 2>&1 | grep libflashplayer.so However, if I set MOZ_PLUGIN_PATH=/usr/lib64/mozilla/plugins, it works. $ MOZ_PLUGIN_PATH=/usr/lib64/mozilla/plugins strace -e open /usr/local/lib/firefox 2>&1 | grep libflashplayer.so open("/usr/lib64/mozilla/plugins/libflashplayer.so", O_RDONLY|O_CLOEXEC) = 44 38.8.0 is from the initial slackware install, and 47.0.1 is manually downloaded from mozilla.org, installed in /opt and symlinked to /usr/local/bin. I've attached the "troubleshooting information" from 47.0.1. How do I go about debugging this? Is this actually an issue, or is it just expected that I export MOZ_PLUGIN_PATH in my dotfiles?

Scuzzball moo ko soppali ci

Saafara biñ tànn

Still here in 48.02. I symlinked `/usr/lib/mozilla` -> `/usr/lib64/mozilla` for now

Right, there IS a bug open.

https://bugzilla.mozilla.org/show_bug.cgi?id=549308

Going to mark this solved, and just follow the bug report for a real fix.

Jàng tontu lii ci fi mu bokk 👍 0

All Replies (1)

more options

Saafara yiñ Tànn

Still here in 48.02. I symlinked `/usr/lib/mozilla` -> `/usr/lib64/mozilla` for now

Right, there IS a bug open.

https://bugzilla.mozilla.org/show_bug.cgi?id=549308

Going to mark this solved, and just follow the bug report for a real fix.

Scuzzball moo ko soppali ci