Re: [squid-users] Squid 3.2: segfault at 0 ip (null) sp bfa8e03c using iptables + transparent mode

On 08.03.2012 12:51, David Touzeau wrote:
> Dear,
>
> I'm using Squid Cache: Version 3.2.0.15-20120306-r11529 in i386 on
> Ubuntu 10.04
> iptables v1.4.4 and kernel 2.6.32-38-generic-pae #83-Ubuntu SMP
> In transparent mode with iptables.
>
> Each 10 Minutes we are unable to access to Internet and there is a
> squid crash.
> Restart squid service solve the issue.
>
> Is there a tip/trick to fix it ?
>
> [ 14.445583] [drm] Initialized radeon 2.0.0 20080528 for
> 0000:04:00.0 on minor 0
> [ 14.694306] vga16fb: initializing
> [ 14.694309] vga16fb: mapped to 0xc00a0000
> [ 14.694312] vga16fb: not registering due to another framebuffer
> present
> [ 14.883342] Console: switching to colour frame buffer device
> 128x48
> [ 16.883375] Loading iSCSI transport class v2.0-870.
> [ 17.722963] iscsi: registered transport (tcp)
> [ 18.491243] iscsi: registered transport (iser)
> [ 25.208015] eth0: no IPv6 routers present
> [ 44.602329] ip_tables: (C) 2000-2006 Netfilter Core Team
> [ 44.676368] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
> [ 44.676699] CONFIG_NF_CT_ACCT is deprecated and will be removed
> soon. Please use
> [ 44.676701] nf_conntrack.acct=1 kernel parameter, acct=1
> nf_conntrack module option or
> [ 44.676702] sysctl net.netfilter.nf_conntrack_acct=1 to enable it.
> [ 392.296569] squid[7663]: segfault at 0 ip (null) sp bfa8e03c error
> 14 in squid[8048000+415000]
> [ 658.532544] squid[8352]: segfault at 0 ip (null) sp bfa52cdc error
> 14 in squid[8048000+415000]
> [ 740.928753] squid[8429]: segfault at 0 ip (null) sp bfe9f12c error
> 14 in squid[8048000+415000]
> [ 760.620663] squid[8377]: segfault at 0 ip (null) sp bfc02e2c error
> 14 in squid[8048000+415000]
> [199121.864727] squid[32681]: segfault at 49 ip 082ab397 sp bfd39740
> error 4 in squid[8048000+415000]
>

Any core backtrace info as to what line of code "[8048000+415000]" is?

Please try the .16 package too. Several more important bug fixes went
in there.

> Compilation options :
>

Quite a few obsolete options in that list,

http://www.squid-cache.org/Versions/v3/3.0/RELEASENOTES.html#removedoptions

> '--disable-dlmalloc'
> '--enable-forward-log'
> '--enable-large-cache-files'
> '--enable-truncate'

http://www.squid-cache.org/Versions/v3/3.1/RELEASENOTES.html#removedoptions

> '--enable-default-err-language=English'
> '--enable-err-languages=English'

http://www.squid-cache.org/Versions/v3/3.2/RELEASENOTES.html#removedoptions

> '--enable-auth-negotiate-helpers'
> '--enable-arp-acl'

  ... guess which setting will build with:
> '--with-maxfd=32000'
> '--with-filedescriptors=16384'
> '--with-maxfd=16384'

or
> '--with-aufs-threads=10'
> CFLAGS=-DNUMTHREADS=60

... and one option that never existed:
> '--enable-icap-support'

Amos
Received on Thu Mar 08 2012 - 02:11:48 MST