Common F11 Bugs

[Christopher K. Johnson]

David wrote:
> On 6/5/2009 5:22 PM, Paul W. Frields wrote:
>   
>> On Fri, Jun 05, 2009 at 05:06:36PM -0400, David wrote:
>>     
>>> On 6/5/2009 4:25 PM, Robert P. J. Day wrote:
>>>       
>>>> On Fri, 5 Jun 2009, Paul W. Frields wrote:
>>>>
>>>>         
>>>>> Hello list,
>>>>>
>>>>> All software has bugs.  Some are known, and some are unknown.
>>>>> Fortunately with free/libre and open source software, we have the
>>>>> ability to diagnose and understand bugs.
>>>>>
>>>>> In advance of Fedora 11 release, of course everyone has been hard at
>>>>> work stomping out bugs, but there are still issues we know are not
>>>>> fixed in the release.  For many of these we have workarounds.
>>>>> We've made a wiki page that records these bugs:
>>>>>
>>>>> http://fedoraproject.org/wiki/Common_F11_bugs
>>>>>           
>>>>   do any of those bugs refer to the fact that (at least for me)
>>>> firefox is still teeth-grindingly slow?   i've mentioned this before
>>>> and i've tried everything i can think of to speed it up but, at this
>>>> point, it's utterly unusable.  even sitting there, it perpetually
>>>> sucks up 100% of the CPU on a dual core system, while seamonkey will
>>>> happily sit there, idling along at about 0.8%.
>>>>
>>>>   i'll give it another shot with F11 but, really, i can't believe how
>>>> utterly useless firefox is.
>>>>         
>>> First off Firefox in F11 is FF 3.5 beta 4.
>>>
>>> I have seen you mention this problem before today. And I have not seen
>>> any 'me too' replies. This must be a problem with your setup or system.
>>>
>>> Is this with *all* sites? Or just some? Surely not just one site? Give
>>> an example URL please.
>>>
>>> Do you have the same extensions installed in both Firefox and Seamonkey?
>>>
>>> Do you use Flash Block? If a site is blocked, the default, it can slow
>>> the site down as it fights to display.
>>>
>>> Another thing to look at is the 'languages' installed in Firefox by
>>> Fedora. You, I figure, speak English which is built in. Disable the many
>>> other languages.
>>>
>>> I have a couple of other ideas but start here.
>>>       
>> I tend to start by creating a new user account to see if the problem
>> persists there.  If not, it's related to my account, which is somewhat
>> of a different situation than having a useless app.
>>     
>
>
> Another good suggestion. I agree.
>
>
>   
And something else I have seen impact Firefox performance more obviously 
than other kinds of applications is whether IPV6 is enabled or not.  
Apparently it has to do with how name resolution is attempted, and the 
kinds of responses or timeouts that occur in your environment.  It is an 
easy thing to test by blocking the ipv6 module from loading and 
rebooting.  On F10 I add a line to /etc/modprobe.d/modprobe.conf.dist:

# Prevent ipv6 being loaded
install net-pf-10 /bin/true