60838 - extra disk access / extra network activity

Status: RESOLVED INVALID

(Core :: Graphics: ImageLib, defect, P3)

Description

[Kathleen :Brade]

The following is a report from jody at http://www.macintouch.com/netscape6.html

Today I downloaded Netscape 6. While using it on my G4 cube, I noticed that the
disk was accessing without my doing anything with the machine. I turned on my
MacTCP Watcher and noticed something funny.

When I access my home page with Netscape 4.76, I get this in the OT connection list:

TCP Listening echo 0.0.0.0:Any
TCP Established 1726 208.136.89.164:http

This makes sense to me (a networking novice) as I know my website's (which
consists of a single gif image) webserver is at the above ip.

However, when I connect to the exact same website with Netscape 6, I get this
list of connections:

TCP Listening echo 0.0.0.0:Any
TCP Established 49264 152.163.243.184:5190
TCP Established 49267 205.188.7.104:5190
TCP Established 49268 205.188.4.48:5190
TCP Established 49269 152.163.241.148:5190

I don't recognize *any* of these ips, and my attempts at DNS lookups for them
have failed.  [Editor's Note: Lookup of the IPs at ARIN Whois indicates they are
registered to America Online]

Thank you, jody radzik

Comment 1

[Pierre Frisch]

This is a very annoying bug that render the browser unusable on a PowerBook.
Because of the spurious activity the machine will never go to sleep while
Mozilla is open even in the background or hidden. This is very inconvenient as
it drain the battery (for the lucky that have an airport) or force the machine
to become very hot if plugged-in.

Comment 2

[Adam]

I think disk acess and network activity should be split into two different bugs.
As for the original report, perhaps she had the sidebar open or inadvertently
left the instant messenger open. With regular use, I don't see any extra network
activity.

Comment 3

[Pierre Frisch]

Split it if you want. I was trying to prevent bug duplication.

There was nothing else open with Mozilla when I  see the disk activity. it is 
100% reproductible on my machine. If you need it I can send you my 
system profile. Thanks.

Comment 4

[Simon Fraser [no longer active]]

Disk activity is probably an animated GIF firing. my.netscape.com has an animated 
GIF that actually looks static; a better test would be a text-only page. Animated 
GIFs hit the disk because they are not cached in the image cache, and thus go do 
the disk cache.

Comment 5

[Darin Fisher]

added keyword mlk.

Comment 6

[Pierre Frisch]

I would disagree on the animated gif hypothesis. I have tried the same pages
with IE and Mozilla. IE does not access the disk and therefore let the Powerbook
sleep. Mozilla with access the disk at regular interval and therefore prevent sleep.

You can use the default home page that comes with every Mac as an example:
apple.excite.com. Mozilla will prevent the Powerbook from sleep if this page is
open. However IE behave properly.

Thanks

Comment 7

[J Luh]

I agree that the disk-access problem could be caused by buggy handling of
animated gifs in Mozilla. See bug 48546.

With regard to the TCP/IP activity, note that the reporter is using Netscape
6--maybe something to do with the IM client or an AOL-specific component?

Comment 8

[Gagan]

->darin

Comment 9

[Gagan]

this is old bug. pls. reconfirm it... 

Comment 10

[Doug Turner (:dougt)]

I agree with simon and pidgin that the disk activity is directly related to the 
animated gifs.  This should have been fixed with libpr0n.  So this bug is a DUP.

The 5190 port is AIM.  If you exist AIM, you should note that these sockets will 
go away.  So this part is INVALID.

I am marking.... INVALID

Comment 11

[benc]

-> imagelib, the disk problem is real.

the networking stuff is irr., that is the AIM module.