Date: Sat, 16 Sep 2006 21:00:52 GMT From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: freebsd-threads@FreeBSD.org Subject: Re: threads/103127: Kernel panic while using thread features in Squid 2.6 Message-ID: <200609162100.k8GL0q29032125@freefall.freebsd.org>
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The following reply was made to PR kern/103127; it has been noted by GNATS.
From: John-Mark Gurney <gurney_j@resnet.uoregon.edu>
To: Anders Nordby <anders@fupp.net>
Cc: FreeBSD-gnats-submit@FreeBSD.org, freebsd-threads@FreeBSD.org,
Thomas-Martin Seck <tmseck@netcologne.de>,
Suleiman Souhlal <ssouhlal@FreeBSD.org>
Subject: Re: threads/103127: Kernel panic while using thread features in Squid 2.6
Date: Sat, 16 Sep 2006 13:59:08 -0700
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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."
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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
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