From: Andreas Schwab <schwab@suse.de>
To: Vladimir Prus <vladimir@codesourcery.com>
Cc: gdb@sourceware.org
Subject: Re: breakpoint.c:5280: internal-error: expand_line_sal_maybe: Assertion `found' failed.
Date: Mon, 23 Jun 2008 08:22:00 -0000 [thread overview]
Message-ID: <jeej6osgr4.fsf@sykes.suse.de> (raw)
In-Reply-To: <200806230751.44399.vladimir@codesourcery.com> (Vladimir Prus's message of "Mon, 23 Jun 2008 07:51:43 +0400")
Vladimir Prus <vladimir@codesourcery.com> writes:
> This should not happen generally -- do you have a small reproducible example?
No, sorry, I saw this while debugging a KDE program. When I remove the
assertion I get this output (the function starts with an inlined QString
constructor):
(gdb) b 'QFontDatabase::styles(QString const&) const'
Note: breakpoint 2 also set at pc 0xeaf7078.
Note: breakpoint 2 also set at pc 0xeaf7080.
Note: breakpoint 2 also set at pc 0xeaf7150.
Note: breakpoint 2 also set at pc 0xeaf7080.
Note: breakpoint 2 also set at pc 0xeaf7078.
Note: breakpoint 2 also set at pc 0xeaf7080.
Note: breakpoint 2 also set at pc 0xeaf7150.
Note: breakpoint 2 also set at pc 0xeaf7080.
Note: breakpoint 2 also set at pc 0xeaf7088.
Note: breakpoint 2 also set at pc 0xeaf70a4.
Note: breakpoint 2 also set at pc 0xeaf7080.
Note: breakpoint 2 also set at pc 0xeaf7088.
Note: breakpoint 2 also set at pc 0xeaf7088.
Note: breakpoint 2 also set at pc 0xeaf7088.
Note: breakpoint 2 also set at pc 0xeaf7090.
Note: breakpoint 2 also set at pc 0xeaf7160.
Note: breakpoint 2 also set at pc 0xeaf7080.
Note: breakpoint 2 also set at pc 0xeaf7088.
Note: breakpoint 2 also set at pc 0xeaf719c.
Breakpoint 2 at 0xeaf7078: file ../include/qstring.h, line 842. (41 locations)
(gdb) p 'QFontDatabase::styles(QString const&) const'
$1 = {QStringList (const QFontDatabase * const,
const QString &)} 0xed94f50 <QFontDatabase::styles(QString const&) const>
(gdb) i b 2
Num Type Disp Enb Address What
2 breakpoint keep y <MULTIPLE>
2.1 y 0x0eaf7078 ../include/qstring.h:842
2.2 y 0x0eaf7080 ../include/qstring.h:842
2.3 y 0x0eaf7150 ../include/qstring.h:842
2.4 y 0x0eaf7078 ../include/qstring.h:842
2.5 y 0x0eaf7080 ../include/qstring.h:842
2.6 y 0x0eaf7150 ../include/qstring.h:842
2.7 y 0x0eaf7080 ../include/qstring.h:842
2.8 y 0x0eaf7088 ../include/qstring.h:842
2.9 y 0x0eaf70a4 ../include/qstring.h:842
2.10 y 0x0eaf718c ../include/qstring.h:842
2.11 y 0x0eaf7194 ../include/qstring.h:842
2.12 y 0x0eaf71b0 ../include/qstring.h:842
2.13 y 0x0eaf730c ../include/qstring.h:842
2.14 y 0x0eaf7078 ../include/qstring.h:842
2.15 y 0x0eaf7080 ../include/qstring.h:842
2.16 y 0x0eaf7150 ../include/qstring.h:842
2.17 y 0x0eaf7080 ../include/qstring.h:842
2.18 y 0x0eaf7088 ../include/qstring.h:842
2.19 y 0x0eaf70a4 ../include/qstring.h:842
2.20 y 0x0eaf7264 ../include/qstring.h:842
2.21 y 0x0eaf7080 ../include/qstring.h:842
2.22 y 0x0eaf7088 ../include/qstring.h:842
2.23 y 0x0eaf719c ../include/qstring.h:842
2.24 y 0x0eaf7088 ../include/qstring.h:842
2.25 y 0x0eaf7088 ../include/qstring.h:842
2.26 y 0x0eaf7090 ../include/qstring.h:842
2.27 y 0x0eaf7090 ../include/qstring.h:842
2.28 y 0x0eaf7160 ../include/qstring.h:842
2.29 y 0x0eaf7160 ../include/qstring.h:842
2.30 y 0x0eaf7080 ../include/qstring.h:842
2.31 y 0x0eaf7088 ../include/qstring.h:842
2.32 y 0x0eaf719c ../include/qstring.h:842
2.33 y 0x0eaf707c ../include/qstring.h:842
2.34 y 0x0eaf7084 ../include/qstring.h:842
2.35 y 0x0eaf71bc ../include/qstring.h:842
2.36 y 0x0eaf70ac ../include/qstring.h:842
2.37 y 0x0eaf70c4 ../include/qstring.h:842
2.38 y 0x0eaf7228 ../include/qstring.h:842
2.39 y 0x0eaf737c ../include/qstring.h:842
2.40 y 0x0ed94fbc in QFontDatabase::styles(QString const&) const at ../include/qstring.h:842
2.41 y 0x0ed951f0 in QFontDatabase::styles(QString const&) const at ../include/qstring.h:842
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
prev parent reply other threads:[~2008-06-23 8:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-22 23:46 Andreas Schwab
2008-06-23 3:52 ` Vladimir Prus
2008-06-23 8:22 ` Andreas Schwab [this message]
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