Bug 177904
| Summary: | Pango-ERROR **: file basic-fc.c: line 347 (basic_engine_shape) | ||||||
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| Product: | [Fedora] Fedora | Reporter: | Caolan McNamara <caolanm> | ||||
| Component: | fontconfig | Assignee: | Matthias Clasen <mclasen> | ||||
| Status: | CLOSED RAWHIDE | QA Contact: | |||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | medium | ||||||
| Version: | rawhide | CC: | drepper, sangu.fedora | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | i386 | ||||||
| OS: | Linux | ||||||
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| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2006-01-25 13:16:53 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
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Description
Caolan McNamara
2006-01-16 11:46:47 UTC
Created attachment 123232 [details]
testcase
fonts-japanese needs to be installed to see the crash I have fonts-japanese installed, and still don't see the crash... I had similar although not quite the same issues. The problem was the rename of the directory containing the files. It used to be ja, now it's japanese (and similar for korean and chinese). rpm removed the font files but the fc caches remained. fontconfig is broken enough to find those caches, tries to load the fonts, which fails, and then frees the fonts anyway. The freeing is what causes trouble for me. In this case here it's likely just the loading part: font found in cache, the load is expected to work but doesn't. $ rpm -q fontconfig fontconfig-2.3.93.cvs20060124-1 $ gcc -g pango-test.c -o pango-test `pkg-config --cflags gtk+-2.0 --libs gtk+-2.0` pango-test.c: In function âmainâ: pango-test.c:36: warning: assignment makes pointer from integer without a cast [sangu@sangu ~]$ ./pango-test valid is 1 pLayout is 9e74458 text is åç°äº¬å <omx100518.jp> line count is 1 Is this problem Fixed in fontconfig-2.3.93.cvs20060124-1? Please see also bug 176409 . Looks like it, doesn't it ? Well, what Ulrich explains may be one case. Now that you say fonts-japanese, makes me believe it's the bug that I tracked down today. The symptom was that a bunch of fonts shipped with Fedora, when chosen in the font dialog in gedit for example, crash it. They typically have three letter lowercase names. The one I test with is called "sys", and is actually this file: /usr/share/fonts/japanese/misc/mplus_s10-euro.pcf.gz It's a completely another issue that why are we shipping bitmap fonts in /usr/share/fonts, but anyway. I debugged it a few hours ago and seems like the pproblem is that the font contains 0x0 glyphs, and cairo has a bug with bitmap 0x0 glyphs, causing a crash. I have reported the bug here: http://lists.freedesktop.org/archives/cairo/2006-January/006207.html And the crash I was getting was indeed in the same place as reported in this bug. So I believe that's the cause. This is going to be fixed soon and hit cairo 1.2, and I'm planning to require cairo 1.2 for pango 1.12, so it should be fixed in FC5... |