User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040306 Firefox/0.8 Build Identifier: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040306 Firefox/0.8 I'm not exactly sure how to describe it, as I don't even fully understand it. I think this has reported before, but the existing reports didn't seem to fit the problem I'm experiencing completely. When visiting a location that contains a host that cannot be resolved, the browser will wait for that while preventing any other browsing to continue. For example, visiting a site that contains an image from a host that cannot be resolved, the browser will wait for the resolution and prevent you from being able to browse other sites in the meantime (new tabs, new windows). I'm experiencing this in both Mozilla and Firefox on both Linux and FreeBSD. This bug is considerably frequent. Reproducible: Always Steps to Reproduce: 1. Visit a site that contains a link to an unresolvable host. 2. If the host is not resolving, attempt to browse another location. 3. Other locations are unresolvable until the 'dead host' times out. Actual Results: All browsing is halted while the 'dead host' is being resolved (waiting for timeout). Expected Results: Attempt to resolve the 'dead host' in the background, while still allowing browsing. I don't currently have a URL that'll produce this issue. I've produced it by visiting http://bsdforums.org , http://www.onlamp.com , and others. It seems consistant with sites that link to advertisement sites, such as ads.doubleclick.net
sounds like bug 162871, but that was fixed some time ago. I know I've not seen this for a long while...
The bug is in the 0.8 release, and the latest nighly build. The sites mentioned do not have the bug for me, but this site does: http://www.nytimes.com/ The site hangs for a long time and could be due to a _reverse_ DNS lookup timeout. The problem is much worse if Firefox is configured to use a proxy server, in which case the whole browser hangs (other tabs/windows are unusable) until it times out. Without a proxy, only the effected window/tab hangs.
Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040407 Firefox/0.8 i have the exact same problem as the origional poster. Except that when resolving dead locations, or locations that are slow at resolving, all browser windows go dead, and no other surfing can be done. A workaround is: 1. Close all browser windows and tabs 2. Wait for it all to resolve What i expect to happen: Have the FQDN be resolved in the background. This would stop the entire browser from locking up. And allow other browsing to continue.
I'm running FireFox 0.8 on FreeBSD 5.2.1. When I open several tabs, say the first 10 links on news.google.com, all processes will be blocked by one or two tabs stuck on a DNS lookup. Even pages that are currently open or new tabs to sites I've just been to are still blocked. If I close the new tabs, all sites are still blocked until dns times out. This sounds like closed bug 70213, but that fix has not been ported to 0.8/freebsd, or was not really fixed. Cory
Big honking PITA ;-) Concpetually, DNS resolution needs to happen in a seperate thread so as not to block. I know this is what the OS should be doing, but this seems to happen all the time when browsing via a http proxy, which makes me think there is more to it. Either way, this has forced me to Konq for everyday browsing.
Seeing this bug all the time in 0.8 on Linux. Severity should be major; it renders the browser essentially unusable.
I'm also getting this a lot on windows at work with a proxy and linux at home without a proxy - with firefox 0.93 and mozilla as well. It's very very annoying, enough to make me start considering a different browser. The severity should be a LOT higher.
Just adding my two cents since I have seen this before on FreeBSD. Any FreeBSD user reporting this problem (inclusing the submitter) should update to 5.3 once it is released. FreeBSD's resolver library was problematic and fixed after 5.2.1 was released. This was noted in 237084. Thanks.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6) Gecko/20050317 Firefox/1.0.2 I'm running the above setup, and I get this problem ___all the time___. It's infuriating having to close Firefox completely everytime a DNS lookup stalls. I'm going to load up *gasp* IE in the meantime :)
*** Bug 270877 has been marked as a duplicate of this bug. ***
*** Bug 289511 has been marked as a duplicate of this bug. ***
The big thing, that doesn't seem to be mentioned by the other commentators, is that while resolving pages across a slow network, CPU usage goes up to 100%. I don't care if tabs "hang" but taking down the rest of the machine with it is not amusing. Can someone please add a priority and/or target milestone to this bug?
*** This bug has been marked as a duplicate of 188332 ***
Status: NEW → RESOLVED
Last Resolved: 14 years ago
Resolution: --- → DUPLICATE
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