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Full Discussion: Bad flash sound in Firefox, Chrome (youtube norm)
Operating Systems Linux Red Hat Bad flash sound in Firefox, Chrome (youtube norm) Post 302506469 by Xcislav on Monday 21st of March 2011 01:17:32 AM
Old 03-21-2011
Bad flash sound in Firefox, Chrome (youtube norm)
There is a solution but it seems that it works only once - the first run (adding to a shortcut LD_PRELOAD=$HOME/linusmemcpy.so /usr/bin/firefox &) . Then an error occurs:

Failed to execute child process "LD_PRELOAD=$HOME/linusmemcpy.so" (No such file or directory)

linusmemcpy.so exists in the location but it does not work.

It was by the advice:
1. Cut and paste this into a prompt:
---Cut below---
Code:
cat > $HOME/Downloads/linusmemcpy.c <<EOF
#include <sys/types.h>

void *memcpy(void *dst, const void *src, size_t size)
{
void *orig = dst;
asm volatile("rep ; movsq"
:"=D" (dst), "=S" (src)
:"0" (dst), "1" (src), "c" (size >> 3)
:"memory");
asm volatile("rep ; movsb"
:"=D" (dst), "=S" (src)
:"0" (dst), "1" (src), "c" (size & 7)
:"memory");
return orig;
}
EOF
cd $HOME/Downloads
gcc -O2 -c linusmemcpy.c
ld -G linusmemcpy.o -o linusmemcpy.so

---Stop cutting here---

2. Shutdown any running copies of your webbrowser.

3. Until a Adobe has fixed their Flash player, start your webbrowser as below:

For Firefox users:
Code:
LD_PRELOAD=$HOME/Downloads/linusmemcpy.so /usr/bin/firefox &

For Google Chrome users:
Code:
LD_PRELOAD=$HOME/Downloads/linusmemcpy.so /opt/google/chrome/google-chrome &

[mod]Please use [CODE] tags when posting command lines, source, ...
Last edited by pludi; 03-21-2011 at 06:22 AM..
 

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LEARN ABOUT OPENSOLARIS

firefox

firefox(1)							   User Commands							firefox(1)

NAME

       firefox - Firefox for Sun Java Desktop System

SYNOPSIS

       firefox [options ... ] [url]

DESCRIPTION

       Firefox	is  a  free, open-source web browser based on the Mozilla codebase.  It is small, fast and easy to use, and offers many advantages
       over other browsers, such as the ability to block pop-up windows.

OPTIONS

       The following options are supported:

       -height value	       Set the height of startup window to value.

       -h or -help	       Display the help message.

       -width value	       Set the width of startup window to value.

       -v or -version	       Display the version message.

       -P profile	       Start with the profile named: profile.

       -ProfileManager	       Start with profile manager.

       -UILocale locale        Start with the UI Locale listed: locale.

       -safe-mode	       Disables extensions and themes for this session.

       -jsconsole	       Open the JavaScript console.

       -browser 	       Open a browser window.

       -setDefaultBrowser      Set this app as the default browser.

EXAMPLES

       Example 1: Launching Firefox

       example% firefox

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       1	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/firefox

	   Executable for Firefox application

       $HOME/.mozilla/firefox

	   User configuration files for Firefox

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWfirefox		   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |Volatile			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       For more information about firefox, please refer to http://www.mozilla.org/firefox

       Refer to Help->Help Contents for more information.

NOTES

       Updated by Evan Yan, Sun Microsystems Inc., 2008.

SunOS 5.11							    10 Jul 2008 							firefox(1)
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