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Bug 100944 - Kernel message flooding logs when openvpn in use (conntrack module)
Summary: Kernel message flooding logs when openvpn in use (conntrack module)
Status: RESOLVED LATER
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: x86 Linux
: High normal (vote)
Assignee: Gentoo Kernel Bug Wranglers and Kernel Maintainers
URL:
Whiteboard:
Keywords:
: 105193 (view as bug list)
Depends on:
Blocks:
 
Reported: 2005-07-31 16:15 UTC by Bill Kenworthy
Modified: 2005-09-08 00:10 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


Attachments

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Description Bill Kenworthy 2005-07-31 16:15:08 UTC
The following message floods the logs of my openvpn server when openvpn running

Aug  1 07:05:57 moriah PROTO=17 127.0.0.1:34977 127.0.0.1:53 L=63 S=0x00 I=41527
F=0x4000 T=64
Aug  1 07:05:57 moriah ip_local_deliver: bad skb: PRE_ROUTING LOCAL_IN LOCAL_OUT
POST_ROUTING
Aug  1 07:05:57 moriah skb: pf=2 (unowned) dev=lo len=181

Found http://lkml.org/lkml/2005/7/18/27 which point to a patch in the netfilter
area as being responsible.

Posting here so its monitored/fixed for gentoo-sources.


Reproducible: Always
Steps to Reproduce:
1.
2.
3.




Only the server does it.  I dont know if its something that is specific to my
setup or not.  Basicly makes logging useless due to the flood, slows throughput
etc.  Present only when openvpn is running.
Comment 1 Shigeru Akiyama 2005-08-01 17:31:29 UTC
I don't think this problem has anything to do with `openvpn'; I am not running
`openvpn' and still I have been getting similar messages.

Furthermore, my x86 Gentoo (2.6.12-r4) is free from this annoyance, and only my
amd64 Gentoo (2.6.12-r6) is affected.
Comment 2 Bill Kenworthy 2005-08-01 18:52:20 UTC
Correct, I am getting for other apps, and also on the loopback and each eth &
tun interfaces running.  Found some mention of this on the forums as well - no
fixes tho.

Just tried -r7 from ~x86 and it does mention a fix for for "skb", but the errors
keep rolling on ...

BillK
Comment 3 Daniel Drake (RETIRED) gentoo-dev 2005-08-02 03:29:38 UTC
Is this reproducable on the latest development kernel (currently
vanilla-sources-2.6.13_rc4)?
Comment 4 Bill Kenworthy 2005-08-02 06:19:19 UTC
No, this kernel seems quiet - been on it for ~1 hr and no messages.

BillK
Comment 5 Daniel Drake (RETIRED) gentoo-dev 2005-08-03 03:21:49 UTC
The solution on 2.6.12 is to completely disable CONFIG_NETFILTER_DEBUG. This has
been completely removed in 2.6.13.
Comment 6 Daniel Drake (RETIRED) gentoo-dev 2005-09-08 00:10:10 UTC
*** Bug 105193 has been marked as a duplicate of this bug. ***