Debian Bug report logs - #704120
ltsp-server: serveral ltsp clients freezed at the same instant

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Jürgen Fuchsberger <juergen.fuchsberger@uni-graz.at>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Cc: WegenerCenter Sysadmin <wegc-sysadmin@uni-graz.at>

Subject: ltsp-server: serveral ltsp clients freezed at the same instant

Date: Thu, 28 Mar 2013 10:14:04 +0100

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Package: ltsp-server
Version: 5.4.2-5
Severity: important

Dear all,

Yesterday morning I had a severe problem with some ltsp-clients: All
clients at a specific ltsp-server (the machine I was writing this bug
report on) froze at the same instant. Only mouse was moving in gnome3,
nothing else worked, not even text-console at ctrl-alt-F1. We had to
hard-reset the clients, causing data loss for some users.

My guess is that package ltsp-server is the cause since it happened to
several clients on the same server, but maybe I am wrong. Please feel
free to reassign to another package.

Regarding logs, unfortunately I did not find any relevant information on
the servers var/log/syslog nor any other logfile that could give hints
about this problem. The logfiles at the clients are gone, due to the
complete freeze I could not copy them anywhere before resetting.

Please give information on whether I can provide further information to
narrow down this bug.

Best,
Jürgen

PS: Sorry if this is sent twice, I first sent this message yesterday
using sendmail but this did not seem to work so I now try again using
Thunderbird.

-- Package-specific info:
chroot information: /opt/ltsp/wheezy

-- System Information:
Debian Release: 7.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-4-686-pae (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored:
LC_ALL set to en_US.UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages ltsp-server depends on:
ii  debconf [debconf-2.0]  1.5.49
ii  debconf-utils          1.5.49
ii  debootstrap            1.0.44
ii  gettext-base           0.18.1.1-9
ii  iproute                20120521-3+b3
ii  lsb-release            4.1+Debian8
ii  openssh-client         1:6.0p1-4
ii  python                 2.7.3-4
ii  tcpd                   7.6.q-24
ii  update-inetd           4.43

Versions of packages ltsp-server recommends:
ii  nbd-server                        1:3.2-2
ii  nfs-kernel-server                 1:1.2.6-3
ii  openbsd-inetd [inet-superserver]  0.20091229-2
ii  openssh-server                    1:6.0p1-4
ii  squashfs-tools                    1:4.2-5
ii  tftpd-hpa                         5.2-4

Versions of packages ltsp-server suggests:
pn  audiooss                                    <none>
ii  gnome-session [x-session-manager]           3.4.2.1-3
ii  gnome-session-fallback [x-session-manager]  3.4.2.1-3
ii  isc-dhcp-server [dhcp3-server]              4.2.2.dfsg.1-5+deb70u3
ii  ldm-server                                  2:2.2.11-2
ii  libasound2-plugins                          1.0.25-2
ii  ltsp-docs                                   1.1-1
ii  ltspfs                                      1.1-2
ii  metacity [x-window-manager]                 1:2.34.3-4
ii  pulseaudio                                  2.0-6
pn  qemu-user-static                            <none>
pn  sdm                                         <none>
ii  x11-utils                                   7.7~1
ii  xauth                                       1:1.0.7-1

-- debconf information:
  ltsp-server/build_client: false

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Message #16 received at 629052-done@bugs.debian.org (full text, mbox, reply):

From: Vagrant Cascadian <vagrant@debian.org>

To: 629052-done@bugs.debian.org

Subject: Re: Bug#629052: LTSP-thinclients: regularly freezing

Date: Sat, 26 Nov 2016 17:06:51 -0800

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On 2014-04-11, Vagrant Cascadian wrote:
> Control: tags 629052 moreinfo

No more info in over two years, resolving.

live well,
  vagrant


> On Fri, Jun 03, 2011 at 01:02:58PM +0200, Holger Levsen wrote:
>> On Freitag, 3. Juni 2011, Mike Gabriel wrote:
>> > The issue reported here might be really site specific. The observation
>> > with LTSP thin clients (on 4 different hardware platforms) on my test
>> > site is that:
>> > 
>> >   o LTSP thin clients freeze unpredictably and regularly :-(
>> > 
>> > whereas
>> > 
>> >   o LTSP diskless workstations do not freeze (same hardware)
>> >   o X2go thin clients (same hardware) do not freeze either
>
> Is there more current information on this issue?
>
> live well,
>   vagrant

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