threads/103127: Kernel panic while using thread features in Squid 2.6

[John-Mark Gurney]

Anders Nordby wrote this message on Wed, Sep 13, 2006 at 20:58 +0200:
> After talking with Pawel, I tried the attached patch to get some kqueue
> debug info. I just got it:
> 
> Sep 13 20:18:56 cache3 kernel: NULL f_event in new kn
> Sep 13 20:18:56 cache3 kernel: f_event == NULL
> 
> Then Squid stops responding to new requests, and I can not even kill it
> with kill -9:

Please try the attached patch.. It appears that the badfo_kqfilter was
returning sucess instead of error since it was introcuded many years
ago...  This many still cause other problems w/ squid, but will fix
the panics...

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."
-------------- next part --------------
Index: kern_descrip.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/kern_descrip.c,v
retrieving revision 1.297
diff -u -r1.297 kern_descrip.c
--- kern_descrip.c	21 Jul 2006 20:24:00 -0000	1.297
+++ kern_descrip.c	16 Sep 2006 20:58:40 -0000
@@ -2632,7 +2632,7 @@
 badfo_kqfilter(struct file *fp, struct knote *kn)
 {
 
-	return (0);
+	return (EINVAL);
 }
 
 static int