From busomaka@gmail.com Sat Mar 27 17:12:34 2021 Received: (at submit) by bugs.x2go.org; 27 Mar 2021 16:12:38 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: ** X-Spam-Status: No, score=2.7 required=3.0 tests=BAYES_50,DEAR_SOMETHING, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,SPF_HELO_NONE, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 641BC5DD7B for ; Sat, 27 Mar 2021 17:12:34 +0100 (CET) Received: by mail-lf1-x12c.google.com with SMTP id g8so12183734lfv.12 for ; Sat, 27 Mar 2021 09:12:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=Bsp8eQWpCCjl5RZ36JaIXm06SAfbwVCEGknt+A9F2OU=; b=DCniFcpg9ed2vE7Kf88ra70rPER7UduL6hLyDAgmR4pqg/UzjnUKRX4Y/gZPs4gfg6 VTNCs1+YNUVTRNBCY/MLQ+NWksOg4Eb5zdK31HmeIrJP56CyUf875znvUxA1gFwrbI27 aB2DI2g6uW8hx+Vvts9jr37cJoTWm0MmqFMaMHK5nLZFDkV0O4BFI2XYf4wR1KB/h+Pi KjSov2l8sKMQtElkiwcmAnZgRUGAwLHklSbcuXdi+yHXMdRYBZ4OkqFC9hNhrsOAV1eY psCswyOv4oTd/3KAHQnki7xUJVaaC3ITQcMiqwbwT38ebfwLGYweoCh8DG7fooEnP5JQ DV/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Bsp8eQWpCCjl5RZ36JaIXm06SAfbwVCEGknt+A9F2OU=; b=Y99z1IS5GHPnL3A9Y8tBYSEELRQBZiD3z5cy//AX1WWmkTr9dX6VvL/Kxq0e2cO1NW 147DIehIgy1G7Y91fRh1JN1s+CzHNm7t5c8BLvgtGXFMe2rhzWWzg8qkOXVrXcDQAc4V BB0ci2T/Nj5acuKHyDsbQsBLR3h6ubkb53wCOdkGhUdM6udaoCfak0vIG6k3CGxnPgVD w0kgezRxkwnSN1OpkVaq/wdB6y9236ZWx4p8RD6215ihSaG6IOG7BGcI3EdNWIxkG40U fLJlZqEFEOpTroCb5K88a4QKKzsgkf4h06TAaLNa6//wn6OJTgdNpZfsRZu24zKT6O0J ii9Q== X-Gm-Message-State: AOAM530AbJIAii2eGx7aGyEqykpJ5zuS7quxli9FgXikmVkO+PAR/zEC 4nof/a2wZBoDUA9ZHBAU7fF7biyyogPymAx1PhmFBzUGrqE= X-Google-Smtp-Source: ABdhPJxZ+VrLQclk5FKSazkE0QY8TDHEF4NHYMxkPDqb8tHTOe58yyVo0smw4k2FL/n4xxtffJk2H9rtzTJpv9apWtk= X-Received: by 2002:ac2:4e6f:: with SMTP id y15mr11648781lfs.428.1616861553520; Sat, 27 Mar 2021 09:12:33 -0700 (PDT) MIME-Version: 1.0 From: Enrico Bertocchi Date: Sat, 27 Mar 2021 17:12:22 +0100 Message-ID: Subject: users randomly (but repeatedly) get a "libx2go-server-db-sqlite3-wrapper insertsession" error at connection attempts To: submit@bugs.x2go.org Content-Type: text/plain; charset="UTF-8" Package: x2goserver Version: Devuan Beowulf package x2goserver/stable,now 4.1.0.3-4 Dear sirs, I'm currently employing x2go (Devuan Beowulf package x2goserver/stable,now 4.1.0.3-4) to operate a terminal server for computer lab lessons. It randomly happens that some of the students experience sequences of failed connection attempts (usually 5-10 in a row) with the following kind of error (typed from a typical screenshot) [...] n283287-55-1616084795_stDmwm_dp32 at /usr/share/perl5/X2Go/Server/DB.pm line 251. : /usr/lib/x2go/libx2go-server-db-sqlite3-wrapper insertsession 55 x2go-cdm [...] n283287-55-1616084798_stDmwm_dp32 at /usr/share/perl5/X2Go/Server/DB.pm line 251. : /usr/lib/x2go/libx2go-server-db-sqlite3-wrapper insertsession 55 x2go-cdm n283287-55-1616084799_stDmwm_dp32 at /usr/share/perl5/X2Go/Server/DB.pm line 251. Unable to find free display port or insert new sessions into database; parameters: port(55), hostname (x2go-cdm) and session name (n283287-55-1616084799_stDmwm_dp32). A further, subsequent connection attempt randomly succeeds instead. At the same time, other students experience regular login procedures. The student passwd data is taken from a "sssd-ldap" domain, fact this that might cause some of the quirks. Please indicate me which further data on the server side might be relevant for investigating the problem. Thanks. -- Enrico Bertocchi