[Bug 195146] New: Kmail freezes with high CPU and suspiciously high memory usage while fetching some messages/listing folder on connected IMAP

[Maciej Mrozowski]

https://bugs.kde.org/show_bug.cgi?id=195146

           Summary: Kmail freezes with high CPU and suspiciously high
                    memory usage while fetching some messages/listing
                    folder on connected IMAP
           Product: kmail
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: reavertm at poczta.fm


Version:           Version 1.11.4
Using KDE 4.2.4 (KDE 4.2.4) (using KDE 4.2.3)
Compiler:          gcc (Gentoo 4.3.2-r3 p1.6, pie-10.1.5) 4.3.2 
OS:                Linux
Installed from:    Gentoo Packages

In various occasions, kmail freezes while fetching folders/messages from IMAP
mailbox.
This is kmail released with 4.2.4 (using kdelibs/kdepim from 4.2.4)

top:
  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
13442 maciek    20   0 2666m 1.2g  26m R  100 59.6   0:31.14 kmail

Normal resource usage for kmail is at least 6 times lower.

Application doesn't seem to crash however.
Compiled with -O0 -ggdb (I may try with typical -O2 later)

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