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[Bug 608132] Firefox/Opera hangs when using Java applet
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Thu, 10 Jun 2010 18:18:32 +0000
  • Message-id: <20100610181832.D37C0CC7CE@xxxxxxxxxxxxxxxxxxxxxx>
http://bugzilla.novell.com/show_bug.cgi?id=608132

http://bugzilla.novell.com/show_bug.cgi?id=608132#c26


wing shun <chanshun8@xxxxxxxxxxxx> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
InfoProvider|chanshun8@xxxxxxxxxxxx |

--- Comment #26 from wing shun <chanshun8@xxxxxxxxxxxx> 2010-06-10 18:18:31 UTC
---
(In reply to comment #25)
(In reply to comment #22)
All required debuginfo packages installed,and run the gdb in terminal,then
open the java website select Studies until firefox hang up,but the output
didn't have any errors.
cm203-168-207-63:/home/wing # firefox -d gdb
gdb /usr/lib/firefox/firefox -x /tmp/mozargs.oDVeVL
GNU gdb (GDB) SUSE (7.1-2.4)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gplhtml>
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/firefox/firefox...Reading symbols from
/usr/lib/debug/usr/lib/xulrunner-1.9.2.4/xulrunner-stub.debug...done.
done.
[Thread debugging using libthread_db enabled]

Program exited normally.

Why does it say that program exited normally?
What did you do in the end (during the hang)?
I would expect that if everything hangs you can go to the terminal, hit
Ctrl-C,
get a prompt in gdb where you can type

thread apply all bt
bt

This should give you a long list with all firefox threads.
Could you please also tell us if Firefox (or Java) is burning cpu time at this
point?

The problem was run the firefox in start menu first,then run the firefox -d gdb
in terminal,it open a firefox new window and say that Program exited
normally,if run the firefox -d gdb in terminal first,the firefox cannot be
loaded,and gave the info.
wing@cm203-168-207-63:~> su
Password:
cm203-168-207-63:/home/wing # firefox -d gdb
gdb /usr/lib/firefox/firefox -x /tmp/mozargs.u7c0lw
GNU gdb (GDB) SUSE (7.1-2.4)
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/firefox/firefox...Reading symbols from
/usr/lib/debug/usr/lib/xulrunner-1.9.2.4/xulrunner-stub.debug...done.
done.
[Thread debugging using libthread_db enabled]

Program received signal SIGPIPE, Broken pipe.
0xffffe424 in __kernel_vsyscall ()
(gdb) ^CQuit
(gdb) thread apply all bt

Thread 1 (Thread 0xb7cfd900 (LWP 7739)):
#0 0xffffe424 in __kernel_vsyscall ()
#1 0xb7df3304 in __libc_writev (fd=16, vector=0xbfff9150, count=2)
at ../sysdeps/unix/sysv/linux/writev.c:51
#2 0xb60ddaf6 in _dbus_write_two (fd=16, buffer1=0xb7a32824, start1=0, len1=
128, buffer2=0xb7a32860, start2=0, len2=<value optimized out>)
at dbus-sysdeps-unix.c:425
#3 0xb60ddb5b in _dbus_write_socket_two (fd=16, buffer1=0xb7a32824, start1=0,
len1=128, buffer2=0xb7a32860, start2=0, len2=0) at dbus-sysdeps-unix.c:258
#4 0xb60d5ee7 in do_writing (transport=0xb7a4fce0)
at dbus-transport-socket.c:596
#5 0xb60d6237 in socket_do_iteration (transport=0xb7a4fce0, flags=7,
timeout_milliseconds=-1) at dbus-transport-socket.c:1105
#6 0xb60d4edd in _dbus_transport_do_iteration (transport=0xb7a4fce0, flags=7,
timeout_milliseconds=-1) at dbus-transport.c:956
#7 0xb60bcd40 in _dbus_connection_do_iteration_unlocked (connection=
0xb7a4fd70, flags=7, timeout_milliseconds=-1) at dbus-connection.c:1163
#8 0xb60be078 in _dbus_connection_flush_unlocked (connection=0xb7a4fd70)
at dbus-connection.c:3405
#9 0xb60bef5f in _dbus_connection_block_pending_call (pending=0xb7ae18b0)
at dbus-connection.c:2302
#10 0xb60cee1f in dbus_pending_call_block (pending=0xb7ae18b0)
---Type <return> to continue, or q <return> to quit---

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