From: Andreas Steffan <a.steffan@contentreich.de>
To: linux-kernel@vger.kernel.org
Subject: PROBLEM: TCP through vpnx dev stalls
Date: Fri, 14 Jun 2013 05:43:47 +0000 [thread overview]
Message-ID: <51BAAD93.6020308@contentreich.de> (raw)
Hallo everybody,
I see certain tcp traffing stalling with kernel 3.8.0-22.33 (current
Raring Ringtail version). It is 100% reproducible when I scp a file
(>100 kB) to a machine on the other side. Copying a file of any size in
the other direction (from the remote machine) to my box works fine. I
see somewhat similiar problems doing large HTTP POSTs to the remote
machine or when I run a remote X application.
I tried several versions of openconnect 4.06, 4.07 and 4.99 on linux
3.8.0-22 and see this behaviour with all versions.
On the same system everything works fine by just swapping the kernel
booting to 3.5.0-27.46 (latest from Quantal Quetzal).
Additional information (e.g. tcpdump output) is at launchpad (bug 1185884)
where I originally reported to bug.
Linux mcgyver 3.8.0-23-generic #34-Ubuntu SMP Wed May 29 20:22:58 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
Gnu C 4.7
Gnu make 3.81
binutils 2.23.2
util-linux 2.20.1
mount support
module-init-tools 9
e2fsprogs 1.42.5
jfsutils 1.1.15
reiserfsprogs 3.6.21
xfsprogs 3.1.9
pcmciautils 018
Linux C Library 2.17
Dynamic linker (ldd) 2.17
Procps 3.3.3
Net-tools 1.60
Kbd 1.15.5
Sh-utils 8.20
wireless-tools 30
Modules Loaded nls_utf8 isofs snd_hrtimer pci_stub vboxpci
vboxnetadp vboxnetflt vboxdrv nfnetlink_log nfnetlink ip6table_filter
ip6_t_nat ebtables ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT
xt_CHECKSUM ipta_tcpudp iptable_filter ip_tables x_tables bridge stp llc
autofs4 deflate zlib_deflate dm_crypt ctr twofish_generic
twofish_x86_64_3way twofishsh_common camellia_generic camellia_x86_64
serpent_sse2_x86_64 serpent_generic glue_helper blowfish_generic
best regards
Andreas
--
Andreas Steffan
Achter Billing 14
22399 Hamburg
Germany
skype: contentreich
M: +49 1793903615
T: +49 40 23943542
F: +49 40 23943542
http://www.contentreich.de
Contentreich : Alfresco WCM / ECM, JEE, Grails
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