1711016 - Firefox 89.0 beta (64-bit) linux devedition freezes on page loading from time to time

Status: RESOLVED DUPLICATE of bug 1714779

(Core :: Widget: Gtk, defect, P3)

Description

[Valeriy Kryvoshyia]

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:89.0) Gecko/20100101 Firefox/89.0

Steps to reproduce:

I am Just opening one or more different pages.

Actual results:

Firefox freezes. Main proccess firefox use 100% CPU. It happens from time to time.

Expected results:

Loaded content of sites.

Comment 1

[Valeriy Kryvoshyia]

Attaching strace and gdb output:

$ sudo strace -p 8710
strace: Process 8710 attached
futex(0x7f28c92b641c, FUTEX_WAIT_PRIVATE, 0, NULL

$ sudo gdb -p 8710
GNU gdb (Ubuntu 8.1.1-0ubuntu1) 8.1.1
Copyright (C) 2018 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 "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
http://www.gnu.org/software/gdb/bugs/.
Find the GDB manual and other documentation resources online at:
http://www.gnu.org/software/gdb/documentation/.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 8710
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f28edbdbad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f28c92b641c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
88 ../sysdeps/unix/sysv/linux/futex-internal.h: No such file or directory.
(gdb)

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Core::Widget: Gtk' component, and is moving the bug to that component. Please revert this change in case you think the bot is wrong.

Comment 3

[Martin Stránský [:stransky] (ni? me)]

Can you attach a backtrace from gdb please?
Thanks.

Comment 4

[Valeriy Kryvoshyia]

(In reply to Martin Stránský [:stransky] (ni? me) from comment #3)

Can you attach a backtrace from gdb please?
Thanks.

I don't know much in debugging. What command i have to run on frozen process?
I can attach output of this:
gdb -p <PID> -ex "thread apply all bt" -ex "quit" > output.log

Comment 5

[Martin Stránský [:stransky] (ni? me)]

(In reply to Valeriy Kryvoshyia from comment #4)

(In reply to Martin Stránský [:stransky] (ni? me) from comment #3)

Can you attach a backtrace from gdb please?
Thanks.

I don't know much in debugging. What command i have to run on frozen process?
I can attach output of this:
gdb -p <PID> -ex "thread apply all bt" -ex "quit" > output.log

Yes, that may work.

Comment 6

[Valeriy Kryvoshyia]

Attachment: Output of gdb on frozen firefox process

This time it has frozen while i have switched from loaded (with intensive JS work) tab to new tab.
Attached gdb trace with threads.

Comment 7

[David Kudláček]

FF 89.0 freezes whan opening/loading content one or more tabs. This does not occur rarely, problem seems to be urgent.
OS Kubuntu 20.04 LTS

Comment 8

[Gabriele Svelto [:gsvelto]]

This looks like bug 1714779, dup'ing against that one where we're gathering some stacks that look actionable.