Bug 348062

Summary:	KBuildsycoca assert "hash != 0"
Product:	[Frameworks and Libraries] frameworks-kservice	Reporter:	Aleix Pol <aleixpol>
Component:	general	Assignee:	David Faure <faure>
Status:	RESOLVED FIXED
Severity:	crash	CC:	kdelibs-bugs-null
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	unspecified
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Aleix Pol 2015-05-21 14:52:36 UTC

Application: kbuildsycoca5 (5.11.0)
 (Compiled from sources)
Qt Version: 5.5.0
Operating System: Linux 4.0.2-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
After waking up from suspension, it crashed. It's the first time I got this.

-- Backtrace:
Application: KBuildSycoca (kbuildsycoca5), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f0172c754b7 in raise () from /usr/lib/libc.so.6
#7  0x00007f0172c7688a in abort () from /usr/lib/libc.so.6
#8  0x00007f01738b714a in qt_message_fatal (context=..., message=...) at /home/kde-devel/frameworks/qt55/qtbase/src/corelib/global/qlogging.cpp:1575
#9  0x00007f01738b38b6 in QMessageLogger::fatal (this=0x7fffe6ccc4c0, msg=0x7f0173bcfd40 "ASSERT: \"%s\" in file %s, line %d") at /home/kde-devel/frameworks/qt55/qtbase/src/corelib/global/qlogging.cpp:777
#10 0x00007f01738acb2e in qt_assert (assertion=0x457337 "hash != 0", file=0x456cd8 "/home/kde-devel/frameworks/kservice/src/kbuildsycoca/kbuildsycoca.cpp", line=842) at /home/kde-devel/frameworks/qt55/qtbase/src/corelib/global/qglobal.cpp:2960
#11 0x00000000004325ce in KBuildSycoca::calcResourceHash (resourceSubDir=..., filename=...) at /home/kde-devel/frameworks/kservice/src/kbuildsycoca/kbuildsycoca.cpp:842
#12 0x000000000042c771 in KBuildSycoca::createEntry (this=0x27bb6e0, file=..., addToFactory=true) at /home/kde-devel/frameworks/kservice/src/kbuildsycoca/kbuildsycoca.cpp:117
#13 0x000000000042d79f in KBuildSycoca::build (this=0x27bb6e0) at /home/kde-devel/frameworks/kservice/src/kbuildsycoca/kbuildsycoca.cpp:273
#14 0x000000000042eae7 in KBuildSycoca::recreate (this=0x27bb6e0) at /home/kde-devel/frameworks/kservice/src/kbuildsycoca/kbuildsycoca.cpp:418
#15 0x0000000000431e09 in main (argc=1, argv=0x7fffe6ccd6d8) at /home/kde-devel/frameworks/kservice/src/kbuildsycoca/kbuildsycoca.cpp:788

Reported using DrKonqi

Comment 1 David Faure 2015-09-19 22:14:40 UTC

There was a qWarning above that crash, it would have been quite useful to see what it said ;)

    qCWarning(SYCOCA) << "File not found or not readable:" << filename << "found:" << files;

Comment 2 David Faure 2017-07-25 11:17:26 UTC

I just hit this today when playing with "make uninstall".

The desktop file gets removed, kbuildsycoca.cpp fails to open it, hash is 0, boom. I'll look into it ;)

Comment 3 David Faure 2017-07-25 11:26:51 UTC

KBuildSycoca::calcResourceHash: File not found or not readable: "fsview_part.desktop" found: ()

Comment 4 Aleix Pol 2018-02-14 18:20:29 UTC

Haven't seen this since