Firefox hangs in state 'kqread'

Hiten Pandya hmp at
Fri Mar 4 21:23:08 PST 2005

Matthew Dillon wrote:
:Hey all,
:I've been seeing some..weird hangs in firefox, seems to be kind of 
:random, and when it does hang, it usually recovers on its own. The time 
:it takes to recover varies greatly though, anywhere from a few seconds, 
:to a few minutes. I haven't done much investigating (starting that now) 
:but according to top, when it hangs, its in the 'kqread' state. Anyone 
:know anything about this?

    If it recovers on its own then it probably isn't a bug in the kq
    code.  It kinda sounds like a DNS lookup issue.  Both mozilla and
    firefox have dns lookup issues if domain name being looked up has
    DNS problems.
					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>
	The funny thing is, I am getting similar problems on my test box
	using w(1).  When I just execute 'w', it is in [kqread] state
	for quite a while, around 60 ~ 70 seconds almost.
	BUT, if I do 'w -n' (without name lookup), then the result is

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