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Date: Sat, 11 Jun 2005 09:30:16 -0600 (MDT)
From: Diane Bruce <db@timdeluxe.fierogods.org>
Reply-To: Diane Bruce <db@db.net>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: kqueue on FreeBSD 4.11 fails to report UDP read events
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         82143
>Category:       kern
>Synopsis:       [kqueue] kqueue on FreeBSD 4.11 fails to report UDP read events
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    jmg
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jun 11 15:40:16 GMT 2005
>Closed-Date:    Sun Jun 18 11:06:35 GMT 2006
>Last-Modified:  Sun Jun 18 11:06:35 GMT 2006
>Originator:     Diane Bruce
>Release:        FreeBSD 4.11-STABLE i386
>Organization:
As always, disorganised.
>Environment:
System: FreeBSD timdeluxe.fierogods.org 4.11-STABLE FreeBSD 4.11-STABLE #7: Tue Jun 7 13:32:55 MDT 2005 root@timdeluxe.fierogods.org:/usr/obj/usr/src/sys/timdeluxe i386


>Description:
	UDP read events are not triggering a kqueue event, this causes
	DNS resolvers which rely on kqueue to fail.

>How-To-Repeat:
	undernet ircd using kqueue is affected
	ircd-hybrid using kqueue is affected

>Fix:

	Workaround for now is to use poll()


>Release-Note:
>Audit-Trail:

From: Diane Bruce <db@db.net>
To: bug-followup@FreeBSD.org, db@db.net
Cc:  
Subject: Re: kern/82143:kqueue on FreeBSD 4.11 fails to report UDP read events
Date: Tue, 14 Jun 2005 01:06:00 -0400

 When is UDP socket ever connected?
 The patch simply reverts to earlier 4.x code.
 Tested and works on ircu and ircd-hybrid.
 
 --- uipc_socket.c.orig  Mon Jun 13 21:37:52 2005
 +++ uipc_socket.c       Mon Jun 13 22:33:16 2005
 @@ -1602,10 +1602,8 @@
         case EVFILT_READ:
                 if (so->so_options & SO_ACCEPTCONN)
                         kn->kn_fop = &solisten_filtops;
 -               else if (so->so_state & SS_ISCONNECTED)
 +               else
                         kn->kn_fop = &soread_filtops;
 -               else
 -                       return (EINVAL);
                 sb = &so->so_rcv;
                 break;
         case EVFILT_WRITE:
 
Responsible-Changed-From-To: freebsd-bugs->jmg 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Sun Jun 18 05:50:58 UTC 2006 
Responsible-Changed-Why:  
jmg is willing to look at the kqueue PRs. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=82143 
State-Changed-From-To: open->closed 
State-Changed-By: jmg 
State-Changed-When: Sun Jun 18 11:05:08 UTC 2006 
State-Changed-Why:  
already fixed... 

http://www.freebsd.org/cgi/query-pr.cgi?pr=82143 
>Unformatted:
