[Thinlinc-technical] Kernel panic with Ubuntu 12.10 and mounting/unmounting USB drives with thinlinc

[Tobias Oetiker]

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Jens,

Today Jens Langner wrote:

> Hi Peter,
>
> For the client we are using the latest 'thinstation' version
> available at the corresponding git. In fact it uses kernel 3.9.4
> (32bit). Our ThinLinc server uses currently 3.5.0-36-generic
> (64bit) and the problem is still present. Our ThinLinc client on
> our thinstation is the latest 4.1.0 rev 3996. And do you really
> think that the client OS version really depends on seeing the
> server side crashing when doing a tl-mount-localdrives? I highly
> doubt that. IMHO this seems to be a kernel bug in 3.5.0.
> Unfortunately I can't test the latest 13.04 ubuntu version with
> kernel 3.8.0 because that comes with another bug that strikes us
> as ldap authentication (nss_ldap) doesn't work and thus thinlinc
> won't work with 13.04 as well. This however might not be a
> general problem for everyone but related to our quite large ldap
> directory here which might trigger the problem somehow.
>
> And we are using 12.10 because we always need/want the latest
> tools to be available to us and not having to wait 2 years for a
> new LTS release to appear. That's why we also would love to
> upgrade to 13.04 but unfortunately the mentioned LDAP problem
> currently prevents us from doing so (see here form more:
> https://bugs.launchpad.net/ubuntu/+source/libnss-ldap/+bug/1185699)

just a wild guess, but in connection with opennssl 1.0.1 and ldap
there seem to be issue with TLSv1.2 (just spent some quality time
with our omnios server. Have you tried

/etc/ldap/ldap.conf

TLS_CIPHER_SUITE TLSv1:!aNULL:!eNULL:!EXPORT

cheers
tobi

- -- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
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