Somewhat nice that after nearly 10 years something has been done about
this.
Yet I strongly suspect that this "cures" just one of the symptoms of a deeper
issue,
namely some busy waiting whenever a network connection is a attempted but the
network or the addressed server is (temporarily)
Created attachment 9218295
Screenshot of Thunderbird being hung while connecting to SMTP server
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Title:
"Sending of message
I have experienced this bug for several years on multiple Linux
machines.
It just happened to me today on Thunderbird 89.0b1 (beta): sending a
message over SMTP hung for several minutes while the progressbar keeps
on scanning left and right, eating ~60% CPU on a fast machine.
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(In reply to Wayne Mery (:wsmwk) from comment #21)
> David, thanks for reporting your results. Can you retest please and tell us
> if this reproduces with a curent beta?
Wayne, as I wrote several times over several years at several places in this
bug tracker:
The problem is easily
Do I read the profile correctly that most of the time (80%) is used in the
poll() function in libc.so.6 (Linux system C standard library)? That would seem
to confirm the theory really the drawing/synchronizing on the screen of the
progress bar.
There is also a similar bug specifically for Linux
- Updated my thunderbird to the newest Version (Thunderbird 68/Ubuntu)
- Set my "saved messages" folder to an imap one
- turned my Internet connection off
- Pressed Ctrl+S
- The progressbar went forth and back using 100% of one CPU
- Re-enabled my internet. The progressbar still goes haywire using
David, thanks for reporting your results. Can you retest please and
tell us if this reproduces with a curent beta?
If it reproduces, please run the performance profiler:
1. You must be using Thunderbird 68 or newer - betas from
https://www.thunderbird.net/en-US/channel/ or current nightly build
Removing myslef on all the bugs I'm cced on. Please NI me if you need
something on MailNews Core bugs from me.
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Title:
This bug still exists. Until the connection timeouts, I get 12-13% CPU
load in my i5 macbook.
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Title:
Sending of message
FWIW, I see the CPU spike on Linux but can't reproduce on Windows 7...
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Title:
Sending of message failed dialog needs 100%
*** Bug 875298 has been marked as a duplicate of this bug. ***
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Title:
Sending of message failed dialog needs 100% of one
My findings are in bug 791535.
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Title:
Sending of message failed dialog needs 100% of one CPU as long as it
is open.
(In reply to :aceman from comment #13)
I'll see if there aren't too many updates of the progress bar in
http://mxr.mozilla.org/comm-central/source/mailnews/compose/content/
sendProgress.js.
aceman, what were you able to determine?
Perhaps this is similar to what I'm seeing as high CPU with
(In reply to :aceman from comment #13)
I'll see if there aren't too many updates of the progress bar in
http://mxr.mozilla.org/comm-central/source/mailnews/compose/content/
sendProgress.js.
here are some others
I'll see if there aren't too many updates of the progress bar in
http://mxr.mozilla.org/comm-
central/source/mailnews/compose/content/sendProgress.js.
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** No longer affects: thunderbird
** Bug watch added: Mozilla Bugzilla #742697
https://bugzilla.mozilla.org/show_bug.cgi?id=742697
** Also affects: thunderbird via
https://bugzilla.mozilla.org/show_bug.cgi?id=742697
Importance: Unknown
Status: Unknown
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Thanks for upstreaming this, marking it triaged.
** Changed in: thunderbird (Ubuntu)
Importance: Undecided = Medium
** Changed in: thunderbird (Ubuntu)
Status: New = Triaged
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Public bug reported:
Priority: Low
How to reproduce:
- Attach a large file to a message to make the sending process need enough
time for the third step.
- press the send button
- Interrupt the internet connection before the sending of the message can be
completed
Problem:
The Dialog that
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Title:
Sending of message failed dialog needs 100% of one CPU as long as it
is open.
Status in “thunderbird” package in
** Bug watch added: Mozilla Bugzilla #764701
https://bugzilla.mozilla.org/show_bug.cgi?id=764701
** Also affects: thunderbird via
https://bugzilla.mozilla.org/show_bug.cgi?id=764701
Importance: Unknown
Status: Unknown
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