This is a problem, I have since years.

I want to access my files which are on another computer (e.g., xyz.de). If this computer has a ssh server running, I often use dolphin or konqueror to access the files via the kioslaves. Sometimes I just receive the following message

The process for the fish://xyz.de protocol died unexpectedly

Usually, I press F5 several times and eventually I am always able to access my files.

This problem maybe occurs more often if the network connection of the remote ssh server is slow.
This problem maybe occurs more often if I have already another ssh connection to the remote ssh server.
But if this problem occured, I never had a similar problem with the ssh commandline client or scp.
I had this problem with several computers running different KDE configurations.

Now my question is: What is an easy way to analyze this problem?
I would like to find out why this process died.

The best way to check would be by enabling all debug output using "kdebugdialog", then running tail over ~/.xsession-errors to see if any interesting error messages appear.

You could also try using sftp:// instead of fish:// to access the server.

Thanks. I did no know that it could be usefull to check ~/.xsession-errors.

These are the errors of a failed attempt to open a pdf file.

Code: Select all

okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::doJob: KIO::SimpleJob(0x9d744f0)
okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::protoQ: creating ProtoQueue instance for "file"
okular(8144)/kio (Scheduler) KIO::ProtoQueue::ProtoQueue: m_maxConnectionsTotal: 5 m_maxConnectionsPerHost: 5
okular(8144)/kio (Slave) KIO::Slave::createSlave: createSlave "file" for KUrl("file:///tmp/kde-matthias/okulardT8144.pdf")
okular(8144)/kio (KIOConnection) KIO::ConnectionServer::listenForRemote: Listening on  "local:/tmp/ksocket-matthias/okularFW8144.slave-socket"
okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::doJob: KIO::SimpleJob(0x9bff8c0)
okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::protoQ: creating ProtoQueue instance for "fish"
okular(8144)/kio (Scheduler) KIO::ProtoQueue::ProtoQueue: m_maxConnectionsTotal: 20 m_maxConnectionsPerHost: 5
okular(8144)/kio (KIOConnection) KIO::ConnectionServer::listenForRemote: Listening on  "local:/tmp/ksocket-matthias/okularZb8144.slave-socket"
okular(8144)/kio (Slave) KIO::Slave::createSlave: createSlave "fish" for KUrl("fish://matthias@mycomputer.net:22/home/matthias/myFavoriteFile.pdf")
okular(8144)/kio (KIOConnection) KIO::ConnectionServer::listenForRemote: Listening on  "local:/tmp/ksocket-matthias/okularth8144.slave-socket"
okular(8144)/kio (KIOJob) KIO::SlaveInterface::requestNetwork: requestNetwork  "" "fish8147"
kioslave: ####### CRASH ###### protocol = fish pid = 8147 signal = 29
okular(8144)/kio (Slave) KIO::Slave::gotInput: slave died pid =  8147
okular(8144)/kio (KIOJob) KIO::TransferJob::slotFinished: KUrl("fish://matthias@mycomputer.net:22/home/matthias/myFavoriteFile.pdf")
okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::jobFinished: KIO::TransferJob(0x9bff8c0) KIO::Slave(0x9c3ae58)
okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::cancelJob: KIO::TransferJob(0x9d744f0) KIO::Slave(0x9c55aa8)
okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::cancelJob: Scheduler: killing slave  8146
okular(8144)/kio (Slave) KIO::Slave::kill: killing slave pid 8146 ( "file://" )
okular(8144)/kio (Scheduler) KIO::SchedulerPrivate::jobFinished: KIO::TransferJob(0x9d744f0) KIO::Slave(0x9c55aa8)

Is there a way to get more detailed information about this ####### CRASH ######?

I would recommend installing debug symbols, and following this article to get a backtrace - http://techbase.kde.org/Development/Tut ... g_IOSlaves