[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Christophe Giboudeaux]

https://bugs.kde.org/show_bug.cgi?id=375445

Christophe Giboudeaux  changed:

   What|Removed |Added

 Resolution|--- |DUPLICATE
 Status|REPORTED|RESOLVED

--- Comment #15 from Christophe Giboudeaux  ---
See https://bugs.kde.org/show_bug.cgi?id=387061#c5

*** This bug has been marked as a duplicate of bug 387061 ***

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #14 from Rodney Baker  ---
Updated version on bug. Still no developer activity by the looks of it. Care
factor for kmail2 bugs seems very low.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

Rodney Baker  changed:

   What|Removed |Added

Version|5.7.0   |5.10.3

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L. Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #13 from George L. Emigh  ---
Tried it again, still refuses to read large emails, back to Thunderbird - sigh
View source opens it...

Gentoo
Qt: 5.12.2  
KDE Frameworks: 5.56.0  
kf5-config: 1.0 
kmail2 5.10.3

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L. Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #12 from George L. Emigh  ---
Well I thought it was about time to try again, and the problem still exists,
what is really odd if I select View Source from the message drop down window it
can viewed in there, (Using Thunderbird I just opened a 8.5MB email in about 3
seconds) Kmail Preview and opening the email in it's own window cannot even 
manage a ~1.1MB email.

So all that work they have put into Kmail and I still cant use it.

Please FIX it so that it can read large emails.

plasmashell 5.15.2
Qt: 5.12.1
KDE Frameworks: 5.55.0
kmail2 5.10.2

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L . Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #11 from George L. Emigh  ---
Kmail2 5.7.2 still broken for large emails here.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L . Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #10 from George L. Emigh  ---
After the most recent update kmail2 5.7.1 still broken for large emails here.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

Rodney Baker  changed:

   What|Removed |Added

  Component|general |commands and actions

--- Comment #9 from Rodney Baker  ---
The silence is deafening...

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

Rodney Baker  changed:

   What|Removed |Added

Version|5.6.3   |5.7.0

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

Rodney Baker  changed:

   What|Removed |Added

Version|5.5.3   |5.6.3

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #8 from Rodney Baker  ---
Likewise - is anyone actually working on this bug?

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L . Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #7 from George L. Emigh  ---
Platform: Gentoo
Qt: 5.9.3
KDE Frameworks: 5.41.0
plasmashell 5.11.4
kmail2 5.7.0

Decided to try again after upgrading to kde-apps 17.12.0, Still cannot read
large emails, thus kmail is still useless, will try again on the next update.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

Rodney Baker  changed:

   What|Removed |Added

Version|5.4.1   |5.5.3

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #6 from Rodney Baker  ---
Version 5.5.3, I now cannot even use View Source to display large messages. The
log file messages I'm speaking of are ~22MB. They are plain text messages and
show the "No HMTL Message" side bar but the messages are never displayed, even
with View Source. I concur - this is getting worse, not better.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Karsten Künne]

https://bugs.kde.org/show_bug.cgi?id=375445

Karsten Künne  changed:

   What|Removed |Added

 CC||kue...@rentec.com

--- Comment #5 from Karsten Künne  ---
I have the same problem with kmail 17.04.2 (openSUSE Leap 42.3). I haven't
figured out the limit yet, it seems to be around 1.2 MB. Every message larger
than that is not displayed in the preview window. I have to use "View Source"
in order to see it. This is only one of the annoying bugs of kmail besides the
ugly scrollbar and the flickering of the preview window caused by the html
sidebar, the non-printing support, and others. I'm very close to the breaking
point in giving up on kmail. It seems to getting worse with every release.
(Sorry for the rant)

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L . Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #4 from George L. Emigh  ---
Oh and just an FYI, Thunderbird reads the 9.5 MiB email in the preview pane
from my local Imap server in only 3 seconds.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L . Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #3 from George L. Emigh  ---
(In reply to Rodney Baker from comment #2)
> In version 5.4.2 this behaviour has now changed. The message is still never
> displayed, but at least KMail does not hang, and if I open the message and
> select "View Source" I can view the entire message (and it loads very
> quickly). Nothing I can do, however, makes it display in the preview window
> or by opening the message, except when viewing the message source.

In KMail Versiom 5.5.0 it is still working as you are describing accept viewing
source is not very fast, but my machine may be slower than yours, also in the
1.2 MiB email size some are readable in the normal way, others are not, and a
9.5 MiB email took 3 minutes 44 seconds to view source, and like most large
emails, never show in the preview pane. Also view source consumes 100% of one
CPU until the view source loads.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Garry Williams]

https://bugs.kde.org/show_bug.cgi?id=375445

Garry Williams  changed:

   What|Removed |Added

 CC||gtwilli...@gmail.com

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

Rodney Baker  changed:

   What|Removed |Added

Version|5.4.0   |5.4.1

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #2 from Rodney Baker  ---
In version 5.4.2 this behaviour has now changed. The message is still never
displayed, but at least KMail does not hang, and if I open the message and
select "View Source" I can view the entire message (and it loads very quickly).
Nothing I can do, however, makes it display in the preview window or by opening
the message, except when viewing the message source.

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L . Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

--- Comment #1 from George L. Emigh  ---
I have the exact same problem with Kmail and Dovecot IMAP Server 

After this version of Kmail came out, I thought I'd give it another try, it's
been a few years since Kmail stopped being usable for me, and I would really
like to return to it, this problem is still a blocker, I have hundreds of large
emails, and Thunderbird opens them fine, and quickly I might add, but Kmail
can't even get a 1.2 Meg email open, Have not found the lower limit yet, I'll
try and test it when I can get Kmail to actually start again.

Software
KDE Plasma Version: 5.9.1
KDE Frameworks Version: 5.30.0
QT Version: 5.7.1
Kernel Version: 4.9.9-gentoo
OS Type: 64-bit

Hardware
Processors: 4 x AMD Phenom(tm) II X4 970 Processor
Memory: 15.7 GiB of RAM

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[George L . Emigh]

https://bugs.kde.org/show_bug.cgi?id=375445

George L. Emigh  changed:

   What|Removed |Added

 CC||ab...@georgelemigh.com

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[kmail2] [Bug 375445] KMail2 hangs with 100% CPU usage when trying to preview or read large emails from IMAP server

[Rodney Baker]

https://bugs.kde.org/show_bug.cgi?id=375445

Rodney Baker  changed:

   What|Removed |Added

 CC||rodney.ba...@iinet.net.au

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