[kmail2] [Bug 503955] New: KMail crashes at startup; possibly related to mailfolders

[Arek Guzinski]

https://bugs.kde.org/show_bug.cgi?id=503955

            Bug ID: 503955
           Summary: KMail crashes at startup; possibly related to
                    mailfolders
    Classification: Applications
           Product: kmail2
           Version: unspecified
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: kermit at ag.de1.cc
  Target Milestone: ---

Application: kmail (6.4.0 (25.04.0))

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.0
Frameworks Version: 6.13.0
Operating System: Linux 6.11.0-25-generic x86_64
Windowing System: Wayland
Distribution: KDE neon 6.3
DrKonqi: 6.3.4 [CoredumpBackend]

-- Information about the crash:
What happened the last time before KMail started crashing on startup:
- When I wanted to send a Mail, KMail warned me that the sent-mail folder was
invalid, so I opened the configuration dialog
- every sent-mail / drafts / templates folder was shown red in the
configuration dialog (despite the text within the textboxes looking right). *
-> more below
- I changed the sent-mail folder for that account to use the non-local IMAP
folder, then sent the mail
- closed the window, KMail seemed to continue normally in the background
- the next time (and every time since that) I tried to start KMail it crashed


* I've seen this behaviour before in bug #502121. 
Differences to that bug: 
- In #502121 I got a message - then KMail quit. This time it just crashes.
- there is only the akonadi_maildir_resource_0/ in ~/.local/share. 
- I did not notice Mails missing from sent-mail folders - but I had not looked
that day, so that might still have been the case.
- The workaround I used there does not work this time. 

Additional Info:
I still get new mail notifications.

The crash can be reproduced every time.

-- Backtrace (Reduced):
#6  0x000079c8c95133dd in
viz::CompositorFrameSinkSupport::StopObservingBeginFrameSource () at
./../../../../../src/3rdparty/chromium/components/viz/service/frame_sinks/compositor_frame_sink_support.cc:1324
#7  viz::CompositorFrameSinkSupport::UpdateNeedsBeginFramesInternal () at
./../../../../../src/3rdparty/chromium/components/viz/service/frame_sinks/compositor_frame_sink_support.cc:1313
#8  0x000079c8c951da9d in viz::CompositorFrameSinkSupport::SetNeedsBeginFrame
() at
./../../../../../src/3rdparty/chromium/components/viz/service/frame_sinks/compositor_frame_sink_support.cc:583
#9  viz::CompositorFrameSinkSupport::~CompositorFrameSinkSupport () at
./../../../../../src/3rdparty/chromium/components/viz/service/frame_sinks/compositor_frame_sink_support.cc:145
#10 0x000079c8c951e0b5 in
viz::CompositorFrameSinkSupport::~CompositorFrameSinkSupport () at
./../../../../../src/3rdparty/chromium/components/viz/service/frame_sinks/compositor_frame_sink_support.cc:188


Reported using DrKonqi

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