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------------------------------------------------------------------------
On 2010-07-27T00:52:47+00:00 Fayaboom wrote:

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9.2.6) 
Gecko/20100626 SUSE/3.6.6-1.2 Firefox/3.6.6
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9.1.11) 
Gecko/20100714 SUSE/3.0.6 Thunderbird/3.0.6

Thunderbird crash each time I make it open an email. That happens with any of 
my email boxes. It crash too when I try to open the extension manager.
Started with the terminal, it gives that :
Attempting to load the system libmoon 
/usr/bin/thunderbird: line 130: 13590 Erreur de segmentation  $MOZ_PROGRAM "$@"
Sometimes, the error number can be different.

Reproducible: Always

Steps to Reproduce:
1.Start thunderbird
2.Make it download some new emails
3.jsut click on any one to read it
Actual Results:  
Crash, the thunderbird window disappear and the PID too.

Expected Results:  
Thunderbird might show the email

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/27

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On 2010-07-27T06:19:28+00:00 Ludovic-mozilla wrote:

Hello,

can you follow the instructions at
http://en.opensuse.org/openSUSE:Bugreport_application_crashed and
provide us with a stack trace ?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/28

------------------------------------------------------------------------
On 2010-07-27T18:28:52+00:00 Fayaboom wrote:

Thank for your fast reply.

I did a stack trace and send the log via email for you because of its
weight of 8.4Mo.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/29

------------------------------------------------------------------------
On 2010-07-27T18:31:11+00:00 Ludovic-mozilla wrote:

(In reply to comment #2)
> Thank for your fast reply.
> 
> I did a stack trace and send the log via email for you because of its weight 
> of
> 8.4Mo.

I didn't receive it yet :-(

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/30

------------------------------------------------------------------------
On 2010-07-27T18:57:00+00:00 Fayaboom wrote:

Created attachment 460599
required Strace log file

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/31

------------------------------------------------------------------------
On 2010-07-27T19:14:20+00:00 Timeless-bemail wrote:

jar:https://bug582130.bugzilla.mozilla.org/attachment.cgi?id=460599!/strace.log

14577 1280245825.045538 
access("/usr/lib/jvm/java-1.6.0-openjdk-1.6.0/jre/lib/i386/IcedTeaNPPlugin.so", 
F_OK) = 0
14577 1280245825.046799 
open("/usr/lib/jvm/java-1.6.0-openjdk-1.6.0/jre/lib/i386/IcedTeaNPPlugin.so", 
O_RDONLY) = 24
14577 1280245825.047161 read(24, 
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P\217\0\0004\0\0\0"..., 512) = 
512
14577 1280245825.047365 fstat64(24, {st_mode=S_IFREG|0755, st_size=207412, 
...}) = 0
14577 1280245825.047679 mmap2(NULL, 210540, PROT_READ|PROT_EXEC, 
MAP_PRIVATE|MAP_DENYWRITE, 24, 0) = 0xa63ca000
14577 1280245825.047996 fadvise64(24, 0, 210540, POSIX_FADV_WILLNEED) = 0
14577 1280245825.048285 mmap2(0xa63fc000, 8192, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 24, 0x31) = 0xa63fc000
14577 1280245825.048800 close(24)       = 0
14577 1280245825.056566 mprotect(0xa63fc000, 4096, PROT_READ) = 0
14577 1280245825.059094 --- SIGSEGV (Segmentation fault) @ 0 (0) ---

This isn't a stack trace, it's a system call trace. it's 99.99% useless.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/32

------------------------------------------------------------------------
On 2010-07-28T12:55:00+00:00 Fayaboom wrote:

This is the advised log in this webpage 
'http://en.opensuse.org/openSUSE:Bugreport_application_crashed' with strace. I 
was not supposed to know this was not a system call trace.
Anyway !!!
When I do it with gdb what I don't know more its kind of backtrace it gives me:


gdb /usr/lib/thunderbird/thunderbird-bin
GNU gdb (GDB) SUSE (7.1-3.12)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i586-suse-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/thunderbird/thunderbird-bin...
warning: the debug information found in 
"/usr/lib/debug//usr/lib/thunderbird/thunderbird-bin.debug" does not match 
"/usr/lib/thunderbird/thunderbird-bin" (CRC mismatch).


warning: the debug information found in 
"/usr/lib/debug/usr/lib/thunderbird/thunderbird-bin.debug" does not match 
"/usr/lib/thunderbird/thunderbird-bin" (CRC mismatch).

Missing separate debuginfo for /usr/lib/thunderbird/thunderbird-bin
Try: zypper install -C 
"debuginfo(build-id)=87e33fa8b41e194344361b46417d8aecef097c6f"
(no debugging symbols found)...done.

For information, I installed both debuginfo and debugsource thunderbird
packages.

After, it has that :


(gdb) run
Starting program: /usr/lib/thunderbird/thunderbird-bin 
Missing separate debuginfo for /lib/ld-linux.so.2
Try: zypper install -C 
"debuginfo(build-id)=22e2b3718e8271a0d899156a796b0a90bc4dc391"
/usr/lib/thunderbird/thunderbird-bin: error while loading shared libraries: 
libmozjs.so: cannot open shared object file: No such file or directory

Program exited with code 0177.

And zypper install... gives an error

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/33

------------------------------------------------------------------------
On 2010-07-28T13:05:26+00:00 Mozilla wrote:

Here is another desription which is more mozilla specific:
http://old-en.opensuse.org/Bugs:mozilla

LD_LIBRARY_PATH=/usr/lib/thunderbird gdb /usr/lib/thunderbird
/thunderbird-bin

should help.

If you would be interested to use and try Thunderbird 3.1.1 I could give
you advice how to do it. That one would also include the automatic
crashreporter which would make this manual process pretty much obsolete.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/34

------------------------------------------------------------------------
On 2010-07-28T14:05:42+00:00 Fayaboom wrote:

Ok, I tried it with

LD_LIBRARY_PATH=/usr/lib/thunderbird gdb /usr/lib/thunderbird
/thunderbird-bin

It got freezed and the output said :

thunderbird -d gdb
gdb /usr/lib/thunderbird/thunderbird-bin -x /tmp/mozargs.Z962Tl
GNU gdb (GDB) SUSE (7.1-3.12)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i586-suse-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/thunderbird/thunderbird-bin...
warning: the debug information found in 
"/usr/lib/debug//usr/lib/thunderbird/thunderbird-bin.debug" does not match 
"/usr/lib/thunderbird/thunderbird-bin" (CRC mismatch).

warning: the debug information found in
"/usr/lib/debug/usr/lib/thunderbird/libmozjs.so.debug" does not match
"/usr/lib/thunderbird/libmozjs.so" (CRC mismatch).

Missing separate debuginfo for /usr/lib/thunderbird/libmozjs.so
Try: zypper install -C 
"debuginfo(build-id)=c4742b9f4e5a48e7e001efff73dd3964f549e245"
warning: the debug information found in 
"/usr/lib/debug//usr/lib/thunderbird/libxpcom.so.debug" does not match 
"/usr/lib/thunderbird/libxpcom.so" (CRC mismatch).

Missing separate debuginfo for /lib/libuuid.so.1
Try: zypper install -C 
"debuginfo(build-id)=6ff9c8838bc92ab347368af9073209bac1ef2966"

warning: the debug information found in
"/usr/lib/debug//usr/lib/thunderbird/components/libmozgnome.so.debug"
does not match "/usr/lib/thunderbird/components/libmozgnome.so" (CRC
mismatch).

warning: the debug information found in 
"/usr/lib/debug/usr/lib/thunderbird/components/libmozgnome.so.debug" does not 
match "/usr/lib/thunderbird/components/libmozgnome.so" (CRC mismatch).
...
*** nss-shared-helper: Shared database disabled (set NSS_USE_SHARED_DB to 
enable).
...
[New Thread 0xb35ffb70 (LWP 9515)]
[New Thread 0xb20ffb70 (LWP 9516)]
[New Thread 0xb0efeb70 (LWP 9517)]
[New Thread 0xb419fb70 (LWP 9518)]
[New Thread 0xa74ffb70 (LWP 9521)]
...
Detaching after fork from child process 9566.
Missing separate debuginfo for 
/usr/lib/browser-plugins/npwrapper.libmoonloader.so
...
Missing separate debuginfo for 
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0/jre/lib/i386/IcedTeaNPPlugin.so
...
Program received signal SIGSEGV, Segmentation fault.
0xa7a88209 in ?? () from 
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0/jre/lib/i386/IcedTeaNPPlugin.so

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/35

------------------------------------------------------------------------
On 2010-07-28T14:12:13+00:00 Fayaboom wrote:

With LD_LIBRARY_PATH=/usr/lib/thunderbird gdb /usr/lib/thunderbird
/thunderbird-bin

I got : 
GNU gdb (GDB) SUSE (7.1-3.12)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i586-suse-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/thunderbird/thunderbird-bin...
warning: the debug information found in 
"/usr/lib/debug//usr/lib/thunderbird/thunderbird-bin.debug" does not match 
"/usr/lib/thunderbird/thunderbird-bin" (CRC mismatch).


warning: the debug information found in 
"/usr/lib/debug/usr/lib/thunderbird/thunderbird-bin.debug" does not match 
"/usr/lib/thunderbird/thunderbird-bin" (CRC mismatch).
...
[New Thread 0xb419fb70 (LWP 10029)]
[Thread 0xb419fb70 (LWP 10029) exited]
[New Thread 0xb419fb70 (LWP 10030)]
[New Thread 0xb35ffb70 (LWP 10031)]
Missing separate debuginfo for /usr/lib/libXss.so.1
Try: zypper install -C 
"debuginfo(build-id)=e064c691a0ea92dee6d202a5de52643fd8bc77cd"
[New Thread 0xb2bffb70 (LWP 10033)]
[New Thread 0xb1fffb70 (LWP 10034)]
[New Thread 0xb17feb70 (LWP 10035)]
[Thread 0xb419fb70 (LWP 10030) exited]
...
[Thread 0xb1fffb70 (LWP 10034) exited]
[Thread 0xb17feb70 (LWP 10035) exited]
...
[New Thread 0xb419fb70 (LWP 10037)]
[New Thread 0xb1fffb70 (LWP 10038)]
[New Thread 0xb17feb70 (LWP 10039)]
[New Thread 0xa7effb70 (LWP 10040)]
[New Thread 0xa73ffb70 (LWP 10044)]
...
[Thread 0xb2bffb70 (LWP 10033) exited]
[Thread 0xb419fb70 (LWP 10037) exited]
[Thread 0xb1fffb70 (LWP 10038) exited]
[Thread 0xa7effb70 (LWP 10040) exited]
[Thread 0xb5bffb70 (LWP 10026) exited]
[Thread 0xb17feb70 (LWP 10039) exited]
[Thread 0xb35ffb70 (LWP 10031) exited]
[Thread 0xb4b4fb70 (LWP 10028) exited]
[Thread 0xb53feb70 (LWP 10027) exited]

Program exited normally.
(gdb)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/36

------------------------------------------------------------------------
On 2010-07-28T14:12:47+00:00 Fayaboom wrote:

This is the only way I used to make it run normally

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/37

------------------------------------------------------------------------
On 2010-07-28T14:13:13+00:00 Fayaboom wrote:

This is the only way I used to make it run normally

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/38

------------------------------------------------------------------------
On 2010-07-28T15:55:45+00:00 Timeless-bemail wrote:

(In reply to comment #8)
Program received signal SIGSEGV, Segmentation fault.
0xa7a88209 in ?? () from
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0/jre/lib/i386/IcedTeaNPPlugin.so

This is the good one. You can see that IcedTea crashed.

As for why zypper is misbehaving, that's a problem which belongs to
opensuse's bug tracker, not ours.

WRT tracking down problems w/ IcedTea, I'd request that you use either
openSuse's bug tracker or IcedTea's (openSuse's is the better choice if
you installed IcedTea from openSuse).

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/39

------------------------------------------------------------------------
On 2010-07-28T15:59:31+00:00 Mozilla wrote:

I really recommend to not use IcedTeaNPPlugin.so anywhere at the moment.
There was a crash reported for Firefox a long time ago with it and it 
apparently strikes back here in Thunderbird.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/40

------------------------------------------------------------------------
On 2010-07-29T03:20:56+00:00 Fayaboom wrote:

Ok guys!!

Thunderbird is crashing in its main function. The debuggers don't manage
to help us. I don't know howto not use IcedTeaNPPlugin.so.

I followed the advise of Wolfgang Rosenauer. The B plan.
I upgraded to the 3.1.1 version of thunderbird.
And now, everything goes right.
Maybe Thunderbird 3.1.1 does not use this plugin.
Now I can return to my favorite O.S. quietly
Thank you to all for all in the bug handling staff

;-)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/41

------------------------------------------------------------------------
On 2010-07-29T04:00:46+00:00 Timeless-bemail wrote:

the debugger did help. it clearly fingered icedtea. the easiest way to
not use icedtea is to uninstall it.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/42

------------------------------------------------------------------------
On 2010-08-05T13:31:11+00:00 Vseerror wrote:

overall #94 crash for Thunderbird v3.1.1 - sig IcedTeaPlugin.so@0x873c

that's pretty amazing for a linux-only crash

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/43

------------------------------------------------------------------------
On 2010-08-11T18:00:04+00:00 Dveditz wrote:

How is Java being loaded by Thunderbird? Does Thunderbird load plugins
these days? They used to be disabled.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/44

------------------------------------------------------------------------
On 2010-08-11T18:04:16+00:00 Dveditz wrote:

If this is a Tbird Linux topcrash maybe we should reopen this bug, and
either work around it, fix whatever we recently changed (we're seeing a
spike in FF3.6.9pre also), or work with the IcedTea people to fix it.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/45

------------------------------------------------------------------------
On 2010-08-12T00:49:01+00:00 Fayaboom wrote:

Howto reopen it thus ?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/46

------------------------------------------------------------------------
On 2010-08-12T12:54:57+00:00 Standard8 wrote:

(In reply to comment #17)
> How is Java being loaded by Thunderbird? Does Thunderbird load plugins these
> days? They used to be disabled.

Thunderbird will load/access the list of plugins, however unless
mailnews.message_display.allow.plugins is set to true, the content
policy will block loading the plugin object into the plugin.

So if we're suggesting a binary compatibility issue on load (that maybe
586543 is) then we're liable to hit that.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/47

------------------------------------------------------------------------
On 2010-08-18T05:59:57+00:00 Fayaboom wrote:

Created attachment 466929
Another segmentation error from Thunderbird 3.06 under OpenSUSE 11.3

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/48

------------------------------------------------------------------------
On 2010-10-11T15:47:13+00:00 Chris Coulson wrote:

We're seeing a lot of these crashes in Ubuntu too.

When I ran it through GDB, the line number at the top of the stack lined
up with a call to getenv in the icedtea plugin, which I thought was
strange. If I uninstall the moonlight plugin, the crash goes away, which
makes me think that the moonlight plugin actually has some memory
corruption issues, and the icedtea plugin is just an innocent victim of
those.

Looking through this report, I see several people have moonlight
installed....

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/52

------------------------------------------------------------------------
On 2011-01-23T10:27:28+00:00 Scoobidiver wrote:

It also happens in Firefox 4.0b9, mainly close to startup.
Other similar (same stack traces) signatures are IcedTeaPlugin.so@0x866c, 
IcedTeaPlugin.so@0x7cfc and IcedTeaPlugin.so@0x85fc.
With the 4 combined signatures, it is #1 top crasher on Linux in 4.0b9 for the 
last week. It counts for 16% of all crashes.

Frame   Module  Signature [Expand]      Source
0       IcedTeaPlugin.so        IcedTeaPlugin.so@0x873c         
1       IcedTeaPlugin.so        IcedTeaPlugin.so@0x26f3c        
2       IcedTeaPlugin.so        IcedTeaPlugin.so@0x75a7         
3       ld-2.11.1.so    ld-2.11.1.so@0xdbbb     
4       ld-2.11.1.so    ld-2.11.1.so@0xdcd8     
5       ld-2.11.1.so    ld-2.11.1.so@0x11d98    
6       ld-2.11.1.so    ld-2.11.1.so@0xd7e5     
7       ld-2.11.1.so    ld-2.11.1.so@0x115e5    
8       libdl-2.11.1.so         libdl-2.11.1.so@0xc0a   
9       ld-2.11.1.so    ld-2.11.1.so@0xd7e5     
10      libdl-2.11.1.so         libdl-2.11.1.so@0x109b  
11      libdl-2.11.1.so         libdl-2.11.1.so@0xb40   
12      libnspr4.so     PR_LoadLibraryWithFlags         prlink.c:836
13      libxul.so       nsPluginFile::LoadPlugin        
modules/plugin/base/src/nsPluginsDirUnix.cpp:312
14      libxul.so       nsPluginFile::GetPluginInfo     
modules/plugin/base/src/nsPluginsDirUnix.cpp:345
15      libxul.so       nsPluginHost::ScanPluginsDirectory      
modules/plugin/base/src/nsPluginHost.cpp:2100
16      libxul.so       nsPluginHost::ScanPluginsDirectoryList  
modules/plugin/base/src/nsPluginHost.cpp:2235
17      libxul.so       nsPluginHost::FindPlugins       
modules/plugin/base/src/nsPluginHost.cpp:2323
18      libxul.so       nsPluginHost::LoadPlugins       
modules/plugin/base/src/nsPluginHost.cpp:2258
19      libxul.so       nsPluginHost::GetPluginCount    
modules/plugin/base/src/nsPluginHost.cpp:1586
20      libxul.so       nsPluginArray::GetLength        
dom/base/nsPluginArray.cpp:89
21      libxul.so       nsMimeTypeArray::GetMimeTypes   
dom/base/nsMimeTypeArray.cpp:242
22      libxul.so       nsNavigator::JavaEnabled        
dom/base/nsGlobalWindow.cpp:10718

More reports at:
http://crash-stats.mozilla.com/query/query?product=Firefox&version=&version=Firefox%3A4.0b9&platform=linux&date=&range_value=1&range_unit=weeks&query_search=signature&query_type=startswith&query=IcedTeaPlugin.so&do_query=1

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/68

------------------------------------------------------------------------
On 2011-01-23T13:59:09+00:00 Philip-chee wrote:

*** Bug 627314 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/69

------------------------------------------------------------------------
On 2011-01-24T21:04:05+00:00 Timeless-bemail wrote:

scooby: there's no point in moving a bug from plugins to core. if you
want to blocklist a plugin, file a tiny bug with a dependency to the
long bug.

we're crashing deep in initialization of icedtea, which makes the crash
clearly a bug in the plugin.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/71

------------------------------------------------------------------------
On 2011-01-24T21:05:49+00:00 Timeless-bemail wrote:

note that bug 586543 covers the possibility that it's our fault in some
interesting way, that bug is already in core, so if you need to use a
bug in core to set a blocking flag, just use that one.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/72

------------------------------------------------------------------------
On 2011-01-24T21:09:54+00:00 Benjamin Smedberg (Mozilla) [:bs] wrote:

Please leave this bug in Core, it's a valid nomination and the plugins
product is a load of crap. I don't know whether we will block on this,
but I don't want to deal with blocking noms in an older bug that is
mostly unrelated to the current topcrash.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/73

------------------------------------------------------------------------
On 2011-01-24T21:15:46+00:00 Chris Coulson wrote:

Please don't blacklist the icedtea plugin (see comment #22), I'm sure
the real issue is the moonlight plugin (libmoon.so). Sorry, I was going
to report a bug in to their tracker about it but it totally slipped my
mind.

Last time I checked, I could recreate this freely on my system with
moonlight installed (libmoon.so plugin loads, then icedtea plugin loads
and it's initializer calls getenv, where it crashes)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/74

------------------------------------------------------------------------
On 2011-01-24T23:26:05+00:00 Chris Coulson wrote:

See also - http://code.google.com/p/chromium/issues/detail?id=49743
(Chromium crashes when moonlight and icedtea are both installed)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/75

------------------------------------------------------------------------
On 2011-01-25T12:21:02+00:00 Chris Coulson wrote:

Also http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=472 might be
relevant, and that is also linking to this report

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/76

------------------------------------------------------------------------
On 2011-01-25T13:27:20+00:00 Timeless-bemail wrote:

So, this is the relevant bit from icedtea's report
<http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=472#c0>:

#3  0x00007f6e95f27406 in malloc_printerr (action=3, str=
    0x7f6e95fd5bf0 "double free or corruption (!prev)", 
    ptr=<value optimized out>) at malloc.c:6264
#4  0x00007f6e95f2c1ac in *__GI___libc_free (mem=...)
    at malloc.c:3738
#5  0x00007f6e7b3bcff8 in plugin_test_appletviewer (
    browserTable=..., pluginTable=...)
    at
/var/tmp/paludis/dev-java-icedtea-6.1.8.0/work/icedtea6-1.8/plugin/icedteanp/IcedTeaNPPlugin.cc:1517
        command_line = {
    0x1b83850 "/usr/lib64/icedtea6/jre/lib/amd64/../../bin/java", 
    0x9afe40 "-version", 0x0}
        environment = 0x1b759b0
#6  NP_Initialize (browserTable=..., 
/var/tmp/paludis/dev-java-icedtea-6.1.8.0/work/icedtea6-1.8/plugin/icedteanp/IcedTeaNPPlugin.cc:2156
    0x1bb4180 "/usr/lib64/icedtea6/jre/lib/amd64/IcedTeaPlugin.so",

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/77

------------------------------------------------------------------------
On 2011-01-25T13:33:17+00:00 Timeless-bemail wrote:

https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796 is also
rather confident in blaming libmoon for this.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/78

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On 2011-01-25T21:10:36+00:00 Smooney wrote:

Johnny, while bsmedbergs out, do you want to comment on this one?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/79

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On 2011-01-27T23:50:49+00:00 Jst wrote:

Sounds like we need to block list the moonlight plugin here. I've filed
bug 629544 on the block listing.

I'm not going to hold the release for this issue though.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/80

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On 2011-01-28T20:39:13+00:00 Evan Martin (Chromium) wrote:

I did some digging.

http://code.google.com/p/chromium/issues/detail?id=49743#c55 summarizes
it, and in particular
http://code.google.com/p/chromium/issues/detail?id=49743#c46 has the
smoking gun.  I think we want to blacklist old versions of icedtea, and
leave moonlight alone.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/81

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On 2011-01-28T20:43:18+00:00 Evan Martin (Chromium) wrote:

Of course, right after I spam everyone I discover that chromium-browser
still crashes with these recent versions of the plugins.  Somehow
google-chrome as well as a debug build of chrome are fine.  Sorry, I
retract my previous comments; I'm not sure what's at fault.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/84

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On 2011-01-28T21:16:11+00:00 Toshok wrote:

The activity on this bug report from the past 4 days is, to say the
least, disheartening.  I'm not sure what evidence people are using when
it comes to statements such as "Sounds like we need to block list the
moonlight plugin here."  Maybe it was "Sorry, I was going to report a
bug in to their tracker about it but it totally slipped my mind."
Hardly compelling evidence of guilt.

Given our late arrival to the party (thanks for the heads up, Evan),
give us a little bit of time to investigate?  We still haven't figured
out if it's even our problem.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/85

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On 2011-01-28T22:12:49+00:00 Jst wrote:

Chris, no decisions have been made here, and no one (certainly not me)
meant to flat out block anything here w/o figuring out who's in charge
of the Moonlight plugin and talking to them and giving them time to
react. Flat out blocking w/o an existing update that solves the reason
for blocking is our very last resort, we don't go there lightly. I
apologize for not being clear about that.

If you read bug 582130, you'll see that one of the steps there is to
"notify the authors", which clearly could've been worded better, but the
intent there is to figure out who the authors are and let them know we
have reason to believe blocking is necessary, and work with them on this
issue. Sounds like you're one of the authors, please correct me if I'm
wrong on that. And if other people on the Moonlight side need to be
involved here, please feel free to cc as many people as necessary on
this bug and on bug 582130.

But based on the talk in this bug so far, it does *seem* like old
versions (possibly including the current versiono, even) need to be
blocked, but if the problem turns out to not be in the Moonlight plugin
then we'll naturally investigate further here.

Again, sorry for sending the wrong message here, that was certainly not
my intent.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/86

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On 2011-01-28T22:41:46+00:00 Toshok wrote:

So basically this comes down to a symbol clash between moonlight and
IcedTea.

In older moonlights, we have the following:

void
plugin_debug (PluginInstance *plugin)
{
        Surface *surface = plugin->GetSurface ();
...

and in IcedTea they have the following (also in global scope)

int plugin_debug = getenv ("ICEDTEAPLUGIN_DEBUG") != NULL;

the page containing the code for moonlight's plugin_debug is mapped RO,
so when the store is attempted in IcedTea, there's a crash.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/87

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On 2011-01-28T23:08:49+00:00 Chris Coulson wrote:

Nice catch!

By "older" moonlights, do you know which version no longer has this
symbol? It seems that we are shipping versions 2.2 and 2.3 in our
supported Ubuntu releases.

I'm quite happy to provide an update for our supported releases which
renames that symbol in our moonlight package (and we can update to the
latest version in our development release). Would that be an alternative
to blacklisting either plugin (assuming other distro's fix their
packages too)?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/89

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On 2011-01-28T23:15:38+00:00 Chriswian wrote:

Depends on uptake I guess. How long does it generally take for your
updates to reach the majority of your users?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/90

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On 2011-01-28T23:20:50+00:00 Chris Coulson wrote:

Hmmm, I'm not too sure about that, or whether it's even something we can
measure. I'm trying to find out though.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/91

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On 2011-01-28T23:55:04+00:00 Toshok wrote:

(In reply to comment #40)
> By "older" moonlights, do you know which version no longer has this symbol? It
> seems that we are shipping versions 2.2 and 2.3 in our supported Ubuntu
> releases.

both 2.2 and 2.3 have the symbol.  It's been removed (well, c++
namespaced) in master which is where the moonlight 4 stuff will come
from.  We have a potential fix in git already and should know soon if it
actually fixes the problem.  I'll update this bug again with revisions
when we have confirmation so you can take a look and roll the changes
into your packages.

We were going to push a new moonlight 2.x release in the coming days
anyway, so this isn't going to cause us too much additional headache.

> I'm quite happy to provide an update for our supported releases which renames
> that symbol in our moonlight package (and we can update to the latest version
> in our development release). Would that be an alternative to blacklisting
> either plugin (assuming other distro's fix their packages too)?

That sound fine to me in the very short term, but we're going to be
going through our exported symbols with a fine toothed comb and will
likely have something a bit more comprehensive soon.

For people who download via go-mono.com, they will get notified of
updates via firefox's extension update mechanism.  Those updates should
still be visible even if a plugin is blocked, I would assume.

As far as the distro packages are concerned there's no real notification
outside of distribution channels that there's an update.

What exactly is the UX for a blocked plugin anyway?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/92

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On 2011-02-03T23:31:20+00:00 Jst wrote:

The UX for blocking depends on what level of blocking we do for a given
plugin. There's two levels we can choose from, soft and hard, in the
case of a soft block the user will receive a notification about a plugin
(or extension) being blocked, saying that there are known issues with
the plugin in question but the user can choose to enable the plugin at
their own risk. In the case of a hard block, the same thing applies
except that there's no option for the user to enable the plugin any
more.

The notification that is shown also contains a link to a webpage with
more information, but it's a generic page for all plugins. But we can of
course add to that page so that there's information specific to whatever
plugins are blocked etc.

These notifications comes typically ~10 minutes after firefox was
launched, or at a seemingly random point after that (I believe we check
once a day) if the users instance of Firefox had already done its
initial block list check when the plugin block went into effect.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/97

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On 2011-02-06T07:04:56+00:00 Toshok wrote:

we've released moonlight 2.4 to address this issue, along with some
other bug fixes.  it no longer has that symbol (and many, many fewer in
general) exported.  we're down from ~12k exported symbols to ~3k, if I
remember correctly.  the moonlight 4 beta packages have been fixed 'the
right way" such that we don't export anything at all.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/98

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On 2011-03-06T23:53:34+00:00 Karlt wrote:

We (Mozilla) should consider loading plugins with RTLD_LOCAL when loading them 
into the browser process.  This looks like a good place to start:
http://hg.mozilla.org/mozilla-central/annotate/4e771e65764a/modules/plugin/base/src/nsPluginsDirUnix.cpp#l306

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/111

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On 2011-03-07T10:57:58+00:00 Timeless-bemail wrote:

i thought we once had code that did that, but yes, we should.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/112

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On 2011-03-07T21:38:59+00:00 Evan Martin (Chromium) wrote:

At least on Linux RTLD_LOCAL is the default for dlopen (when RTLD_GLOBAL
isn't specified).

I think what went wrong is that moonlight itself dlopen'd a sublibrary
with RTLD_GLOBAL, and when icedtea was loaded (with RTLD_LOCAL) it found
the now-global symbol from moonlight.  (icedtea's symbols themselves
weren't exposed to later plugins, but its references to symbols were
matched up to the existing global symbols from moonlight.)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/113

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On 2011-03-07T22:25:17+00:00 Karlt wrote:

OK.  Thanks for the explanation, Evan!

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/114

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On 2011-12-08T17:59:56+00:00 Smooney wrote:

There are lots of IcedTea plugin crash signature variations. It's not a
top crash, even for Linux only. Removing the top crash keyword.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/moon/+bug/538796/comments/116


** Changed in: moonlight-plugin-mozilla
       Status: Unknown => Confirmed

** Changed in: moonlight-plugin-mozilla
   Importance: Unknown => Critical

** Bug watch added: Iced Tea Bugzilla #472
   http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=472

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https://bugs.launchpad.net/bugs/538796

Title:
  cannot open Firefox/Chromium/Google Chrome when libmoon is installed

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