Ubuntu
kdebase package

Kate hangs on spellcheck

Bug #58175 reported by Tom S. on 2006-08-30

Affects		Status	Importance	Assigned to	Milestone
	kdebase (Ubuntu)	Fix Released	Undecided	Unassigned

Bug Description

Binary package hint: kate

Kate hangs on spellcheck (i.e. after selecting "Tools > Spelling", "Tools > Spelling (from cursor)" or "Tools > Spellcheck Selection") reporting:

ASSERT: "i <= nodes" in /usr/share/qt3/include/qvaluelist.h (373)

According to gdb via KDbg, this is asserted by:

QValueListPrivate<QString>::at () from /usr/lib/libkateinterfaces.so.0
KateSpell::spellcheck () from /usr/lib/kde3/libkatepart.so
KateSpell::spellcheck () from /usr/lib/kde3/libkatepart.so
KateSpell::qt_invoke () from /usr/lib/kde3/libkatepart.so
QObject::activate_signal () from /usr/lib/libqt-mt.so.3
...

The output of strace shows 23 */l10n/*/entry.desktop files being opened by a call to KGlobal::locale()->twoAlphaToCountryName() from KSpellConfig::interpret() before this Qt assertion failure. However, this is irrelevant (comment to follow).

System:

* Kubuntu 6.06.1 LTS
* AMD Athlon 64 Processor 4000+
* kate 4:3.5.2-0ubuntu27
* /usr/lib/aspell is on a LVM2 XFS partition

grep 'localechooser:' /var/log/installer/syslog
Aug 20 08:49:44 localechooser: Generating locales...
Aug 20 08:49:44 localechooser: en_AU.UTF-8...
Aug 20 08:49:46 localechooser: done
Aug 20 08:49:46 localechooser: Generation complete.
Aug 20 08:49:46 localechooser: Generating locales...
Aug 20 08:49:46 localechooser: en_AU.UTF-8...
Aug 20 08:49:46 localechooser: up-to-date
Aug 20 08:49:46 localechooser: en_US.UTF-8...
Aug 20 08:49:47 localechooser: done
Aug 20 08:49:47 localechooser: Generation complete.

env | grep 'LANG'
LANG=en_AU.UTF-8
LANGUAGE=en_AU:en

See original description

Revision history for this message

Tom S. (toms-internode) wrote on 2006-08-30:

strace -p `pidof kate` -e trace=file,getdents64,write -s 128 Edit (26.0 KiB, text/plain)

Attaching minimal strace output.

Revision history for this message

Tom S. (toms-internode) wrote on 2006-08-30:

I should clarify that I haven't noticed any problems with aspell itself.

cat /home/user/.aspell.conf
add-dict-alias en_AU en_GB-ise-w_accents

aspell dump dicts
en
en-variant_0
en-variant_1
en-variant_2
en-w_accents
en-wo_accents
en_AU
en_CA
en_CA-w_accents
en_CA-wo_accents
en_GB
en_GB-ise
en_GB-ise-w_accents
en_GB-ise-wo_accents
en_GB-ize
en_GB-ize-w_accents
en_GB-ize-wo_accents
en_GB-w_accents
en_GB-wo_accents
en_US
en_US-w_accents
en_US-wo_accents

Tom S. (toms-internode) on 2006-09-13

description:

updated

Revision history for this message

Tom S. (toms-internode) wrote on 2006-09-13:

Please ignore my spurious strace interpretation: with kdelibs-dbg and a debugging build of kate, I've stepped through KateSpell::spellcheck(const KateTextCursor &from, const KateTextCursor &to) in kdelibs-3.5.2/kate/part/katespell.cpp (line 86) past the assignment to KSpellConfig *ksc (line 109) and until the assignment to int enc (line 116).

An empty string is returned by m_view->doc()->encoding() with the result that enc is -1. The next kdDebug message (line 120) accesses ksEncodings[enc] and Qt complains that -1 (or i = 18446744073709551615 as it reports) is out of range.

At least that's how it seems to me - I'm afraid I wasn't able to patch kdelibs to confirm this (compilation fails with a missing remoteservice.moc... I guess I must be doing something wrong)! :o|

Anyway, at least this further debugging has identified a work-around: to explicitly set the encoding via "Tools > Encoding" (reselecting "Unicode (utf8)" does the trick) before invoking a spellcheck. Interestingly, it doesn't appear to matter whether "Settings > Configure Kate > Editor > Open/Save > File Format > Encoding" is "KDE Default" or "Unicode (utf8)".

Revision history for this message

Tom S. (toms-internode) wrote on 2006-09-13:

Patch per http://websvn.kde.org/branches/KDE/3.5/kdelibs/kate/part/katespell.cpp?r1=512373&r2=538006&makepatch=1 Edit (879 bytes, text/plain)

Fixed upstream:

http://websvn.kde.org/branches/KDE/3.5/kdelibs/kate/part/katespell.cpp?rev=538006&view=rev

Could we have this in Dapper please? :o)

Revision history for this message

Yuriy Kozlov (yuriy-kozlov) wrote on 2006-12-26:

Since this was fixed in SVN in september, that fix is in kde 3.5.5 which is in Edgy, and packages are available for Dapper here: http://kubuntu.org/announcements/kde-355.php