[users@httpd] requests hang

["pobox@verysmall.org" <po...@verysmall.org>]

hello,

i have apache 1.3.x w/ php 5.x running in FreeBSD 5.x VMware virtual 
machine on Windows XP Pro

lately i start to experience hanging request -

a) i click on a link
b) the browser (FF/IE) indicates that there is request in progress
c) the top command in FreeBSD shows the httpd process
d) after some time the httpd process disappears from top, but the 
browser continues to indicate that there is request in progress

Here two things can happen

- if i wait very long, the browser time out happens - the browser stays 
on the initial page and does not indicate request in progress anymore

- if i restart httpd, the browser stops to indicate request in progress 
and shows white page

so far i could only investigate a bit with Wireshark network protocol 
analyzer and i saw that when hanging occurs, there are more TCP 
ZeroWindow errors than normally

could somebody give me a hint what could the reason be or how could i 
investigate further

thank you
iv



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