Closed
Bug 250718
Opened 20 years ago
Closed 20 years ago
HTML pages with certain special characters, like "<font size=12> — </font>", freeze Mozilla.
Categories
(Core :: DOM: HTML Parser, defect)
Tracking
()
RESOLVED
WORKSFORME
People
(Reporter: karlhanf, Unassigned)
Details
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7) Gecko/20040616 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7) Gecko/20040616 HTML pages with the text "\227", or "<font size=12> — </font>", freeze Mozilla. (Its X windows still exist, but their contents are never again redrawn.) Cut and paste the next line and try viewing it; if you get a freeze too, you have replicated the problem; if not, perhaps I have a font problem? (I have no other symptoms of font troubles. I'm running RedHat 7.) Reproducible: Always Steps to Reproduce: 1. 2. 3.
Example line of code: <html> <body> \227 </body> </html>
Summary: HTML pages with certain special characters, like "\227", freeze Mozilla.or "<font size=12> — </font>", freeze Mozilla. (Its X windows still exist, but their contents are never again redrawn.) → HTML pages with certain special characters, like "\227", freeze Mozilla.
I'm sorry, the "\227" does not freeze it, but this line definitely does: <html> <body> <font size=12> — </font> </body> </html>
Works fine for me with Linux. This may be a local issue or RedHat (i don't use Redhat). Reporter, post a stacktrace of the hang please.
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Comment 4•20 years ago
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Karl, what does "about:buildconfig" say?
Thanks for your attention! I'm not enough of a programmer, perhaps, to know how to get a stack trace. But here is what "about:buildconfig" says: Build platform target i686-pc-linux-gnu Build tools Compiler Version Compiler flags gcc gcc version 3.2.3 -Wall -W -Wno-unused -Wpointer-arith -Wcast-align -Wno-long-long -pedantic -pthread -pipe c++ gcc version 3.2.3 -fno-rtti -fno-exceptions -Wall -Wconversion -Wpointer-arith -Wcast-align -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wno-long-long -pedantic -fshort-wchar -pthread -pipe -I/usr/X11R6/include Configure arguments --disable-tests --enable-extensions=default,irc --without-system-nspr --without-system-jpeg --without-system-zlib --without-system-png --without-system-mng --disable-debug '--enable-optimize=-O2 -gstabs+' --enable-crypto
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Comment 6•20 years ago
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So a vanilla build. Yeah, sounds like buggy fonts somewhere to me....
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Comment 7•20 years ago
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Are you using xinerama? If you run 'top' in a terminal, what is at the top of the process list?
I have a dual-head (2 monitor) Matrox video card, I use 2 monitors side by side,
and although I don't know what Xinerama is, I have this in my
/etc/X11/XF86Config-4 :
...
Section "ServerFlags"
Option "Xinerama"
EndSection
...
Section "Files"
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
EndSection
...
I don't quite know why you ask about top's output, but here is an example of the
first few processes:
> top
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ Command
875 root 15 0 99.2m 49m 52m S 0.3 9.7 8:21.26 X
14326 root 15 0 1776 936 1620 R 0.3 0.2 0:00.37 top
1 root 15 0 1320 492 1272 S 0.0 0.1 0:05.03 init
...
Summary: HTML pages with certain special characters, like "\227", freeze Mozilla. → HTML pages with certain special characters, like "<font size=12> — </font>", freeze Mozilla.
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Comment 9•20 years ago
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I think the distribution you're running is old enough where the bug with fonts and xinerama still existed. If you request some characters in some fonts the application will hang. You either need to upgrade your system or not use xinerama. I don't beleive that we have any kind of work-around for this problem. You can see if this is the problem by disabling xinerama temporarily and seeing if this problem still happens.
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Updated•20 years ago
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Status: UNCONFIRMED → RESOLVED
Closed: 20 years ago
Resolution: --- → WORKSFORME
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Description
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