[kio] [Bug 335104] New: Qt apps lockup when using KFileDialog+samba

[Charles Samuels]

https://bugs.kde.org/show_bug.cgi?id=335104

            Bug ID: 335104
           Summary: Qt apps lockup when using KFileDialog+samba
    Classification: Unclassified
           Product: kio
           Version: 4.13.0
          Platform: Debian stable
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: smb
          Assignee: unassigned-bugs at kde.org
          Reporter: charles at kde.org

When a plain Qt program detects a KDE session, it likes to use KFileDialog,
KFileDialog then locks up and blocks the program indefinitely while trying to
use samba. According to strace, KFileDialog runs /usr/bin/testparm which
produces some output and then exits, and that's the last thing that makes any
sense from strace.

I've seen this on debian stable, but it was reported to me from a Kubuntu 14.0
user. Removing the Kubuntu package samba-common-bin seems to workaround it. 



Reproducible: Always

Steps to Reproduce:
1. Make sure samba-common-bin and smbclient packages are installed on your
machine
2. open a QFileDialog from a Qt application from inside a KDE session. I've
seen this on BitcoinArmory, and I suspect it's reproducable on vlc as well.
3. The program should now be blocked.

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