Bug 159717 - The application Plasma Workspace (plasma) crashed and caused the signal 11 (SIGSEGV)
Summary: The application Plasma Workspace (plasma) crashed and caused the signal 11 (S...
Status: RESOLVED INTENTIONAL
Alias: None
Product: plasma4
Classification: Plasma
Component: general (show other bugs)
Version: unspecified
Platform: unspecified Linux
: NOR crash
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords:
: 158153 (view as bug list)
Depends on:
Blocks:
 
Reported: 2008-03-22 23:15 UTC by ][nfurnus
Modified: 2009-07-03 05:20 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:


Attachments

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Description ][nfurnus 2008-03-22 23:15:37 UTC
Version:           0.0.1 (using 4.0.2 (KDE 4.0.2), Kubuntu packages)
Compiler:          gcc
OS:                Linux (i686) release 2.6.22-14-generic

I cannot log into my desktop it crashes as soon as it loads with the SIGSEGV. Although I can access Konqueror to submit this bug report i cannot access anything else on my desktop it is totally unusable. No loaded plugins this is after a new install from Ubuntu Gutsy 7.10 with the added repository of deb http://ppa.launchpad.net/kubuntu-members-kde4/ubuntu gutsy main 
Once i can get GNOME installed again, to use my desktop, I can backtrace the error as I don't have the dbg packages downloaded currently. Plasma Version 0.0.1 using gcc 4.1.3
Comment 1 ][nfurnus 2008-03-22 23:54:09 UTC
(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1249483040 (LWP 10605)]
[KCrash handler]
#6  0x0807ba4b in ?? ()
#7  0x0000007b in ?? ()
#8  0x0000007b in ?? ()
#9  0x0000007b in ?? ()
#10 0x0000007b in ?? ()
#11 0x0000007b in ?? ()
#12 0x0000007b in ?? ()
#13 0x0000007b in ?? ()
#14 0x0000007b in ?? ()
#15 0x0000007b in ?? ()
#16 0x0000007b in ?? ()
#17 0xb7ca4f3f in Plasma::Applet::flushUpdatedConstraints ()
   from /usr/lib/kde4/lib/libplasma.so.1
#18 0xb7cd0b62 in Plasma::Corona::loadApplets ()
   from /usr/lib/kde4/lib/libplasma.so.1
#19 0xb7cd1527 in Plasma::Corona::loadApplets ()
   from /usr/lib/kde4/lib/libplasma.so.1
#20 0xb7ef1ddc in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#21 0x08101628 in ?? ()
#22 0xffffffff in ?? ()
#23 0x00000000 in ?? ()
#0  0xffffe410 in __kernel_vsyscall ()
Comment 2 ][nfurnus 2008-03-23 01:42:26 UTC
Installed more -dbg hopefully this helps out.

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1249478944 (LWP 15948)]
[KCrash handler]
#6  0x0807ba23 in ?? ()
#7  0x0000007b in ?? ()
#8  0x0000007b in ?? ()
#9  0xb7ca5f3f in Plasma::Applet::flushUpdatedConstraints (this=0x81071a0)
    at /build/buildd/kdebase-workspace-4.0.2/libs/plasma/applet.cpp:699
#10 0xb7cd1b62 in Plasma::Corona::loadApplets (this=0x81036c0, 
    configName=@0x80fb590)
    at /build/buildd/kdebase-workspace-4.0.2/libs/plasma/corona.cpp:224
#11 0xb7cd2527 in Plasma::Corona::loadApplets (this=0x81036c0)
    at /build/buildd/kdebase-workspace-4.0.2/libs/plasma/corona.cpp:296
#12 0xb7ef3ddc in PlasmaApp::corona (this=0x80622a0)
    at /build/buildd/kdebase-workspace-4.0.2/plasma/plasma/plasmaapp.cpp:219
#13 0xb7ef6aca in RootWidget (this=0x80fa468)
    at /build/buildd/kdebase-workspace-4.0.2/plasma/plasma/rootwidget.cpp:49
#14 0xb7ef4786 in PlasmaApp (this=0x80622a0, display=0x805b060, 
    visual=134614616, colormap=25165825)
    at /build/buildd/kdebase-workspace-4.0.2/plasma/plasma/plasmaapp.cpp:156
#15 0xb7ef4f79 in PlasmaApp::self ()
    at /build/buildd/kdebase-workspace-4.0.2/plasma/plasma/plasmaapp.cpp:96
#16 0xb7ef37ac in kdemain (argc=1, argv=0xbfcf8eb4)
    at /build/buildd/kdebase-workspace-4.0.2/plasma/plasma/main.cpp:51
#17 0x08048582 in main (argc=1466120, argv=0xb7d83000)
    at /build/buildd/kdebase-workspace-4.0.2/obj-i486-linux-gnu/plasma/plasma/plasma-qgv_dummy.cpp:3
#18 0xb7d9a050 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#19 0x080484f1 in _start ()
#0  0xffffe410 in __kernel_vsyscall ()
Comment 3 xu 2008-03-23 11:51:18 UTC
a
Comment 4 Robert Hamilton 2008-03-25 09:26:38 UTC
I can confirm this crash.  After updating on 22 March, I started getting the exact same crash as is reported here.
Comment 5 Anne-Marie Mahfouf 2008-03-25 09:58:15 UTC
Try backing up the plasmarc and plasma-appletsrc files in your $KDEHOME/share/config please and rerun plasma after that.

Comment 6 Rolf Eike Beer 2008-03-25 23:26:16 UTC
*** Bug 158153 has been marked as a duplicate of this bug. ***
Comment 7 ][nfurnus 2008-03-26 09:31:56 UTC
Moving plasmarc and plasma-appletsrc seemed to fix the problem I can get into the desktop. I will continue to test to see if I can duplicate issue. Thanks Anne-Marie.
Comment 8 BobT 2008-03-31 09:11:37 UTC
I can confirm this bug, or a variation of it;

Description:
The desktop will load normally, but clicking the Application Launcher in the panel will instantly crash Plasma. The desktop returns after a second, but clicking the launcher again will cause the SIGSEGV, and the desktop will become gray and unresponsive.

Steps Taken:
1. Added an Application Launcher to the desktop and attempted to use that. Plasma crashed as with the launcher in the panel. 

2. Added a new user with all default settings. The new user's desktop crashed in an identical manner.

3. Backed up the plasmarc and plasma-appletsrc files as recommended by Anne-Marie Mahfouf above. No improvement.

4. Backed up the whole ~/.kde folder. No improvement.




[?1034h(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread 0xb627a8e0 (LWP 3331)]
[New Thread 0xb474db90 (LWP 3332)]
0xffffe410 in __kernel_vsyscall ()
[Current thread is 0 (LWP 3331)]

Thread 2 (Thread 0xb474db90 (LWP 3332)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb727c566 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb72d2b18 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb4bd2554 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#4  0x0808623c in ?? ()
#5  0x08086238 in ?? ()
#6  0xffffffff in ?? ()
#7  0xb474d270 in ?? ()
#8  0xb474d32c in ?? ()
#9  0xb746b788 in ?? ()
#10 0xb7f5bff4 in ?? () from /lib/ld-linux.so.2
#11 0xb7b01020 in ?? () from /usr/lib/libkdeui.so.5
#12 0xb4bd59b8 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#13 0xb4bd59bf in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#14 0xb7f4a82f in ?? () from /lib/ld-linux.so.2
#15 0xb72d2547 in QThreadPrivate::start () from /usr/lib/libQtCore.so.4
#16 0xb7278192 in start_thread () from /lib/libpthread.so.0
#17 0xb672802e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb627a8e0 (LWP 3331)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb66f38d6 in nanosleep () from /lib/libc.so.6
#2  0xb66f36b7 in sleep () from /lib/libc.so.6
#3  0xb7a0c0c9 in ?? () from /usr/lib/libkdeui.so.5
#4  0x00000001 in ?? ()
#5  0x00000000 in ?? ()
#0  0xffffe410 in __kernel_vsyscall ()
Comment 9 Markus Grob 2008-04-08 00:59:59 UTC
It seems, that Kubuntu and KDE 4.0.2 generates troubles. Please try again with KDE 4.0.3 and rename ./kde4 to ./kde4_old and do the same with ./kde. 
If it works after. Please close the bug.
Comment 10 Markus Grob 2008-04-08 18:49:29 UTC
Like descibed in another bug, try this first:
remove your ~/.kde/share/config/plasma-appletsrc and try again.
Comment 11 jm_zz 2008-04-09 10:49:59 UTC
I have the KDE error, but i can log into kde4 :

[?1034h(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb57396f0 (LWP 9568)]
[New Thread 0xb3a8eb90 (LWP 9570)]
[KCrash handler]
#6  0xb72ce441 in QIODevice::seek () from /usr/lib/libQtCore.so.4
#7  0xb72b979d in QBuffer::seek () from /usr/lib/libQtCore.so.4
#8  0xb7c62946 in KSycocaDict::Private::offsetForKey ()
   from /usr/lib/libkdecore.so.5
#9  0xb7c62b68 in KSycocaDict::find_string () from /usr/lib/libkdecore.so.5
#10 0xb7bd2120 in KServiceTypeFactory::findServiceTypeByName ()
   from /usr/lib/libkdecore.so.5
#11 0xb7bd69a1 in KServiceTypeTrader::defaultOffers ()
   from /usr/lib/libkdecore.so.5
#12 0xb7bd7160 in KServiceTypeTrader::query () from /usr/lib/libkdecore.so.5
#13 0xb7e3f448 in Plasma::Applet::loadApplet () from /usr/lib/libplasma.so.1
#14 0xb7e5f778 in Plasma::Containment::addApplet ()
   from /usr/lib/libplasma.so.1
#15 0xb7e65b43 in Plasma::Corona::loadApplets () from /usr/lib/libplasma.so.1
#16 0xb7e66787 in Plasma::Corona::loadApplets () from /usr/lib/libplasma.so.1
#17 0xb7f11022 in ?? () from /usr/lib/libkdeinit4_plasma.so
#18 0x08103820 in ?? ()
#19 0xffffffff in ?? ()
#20 0x080b8688 in ?? ()
#21 0xb7f16858 in ?? () from /usr/lib/libkdeinit4_plasma.so
#22 0x00000000 in ?? ()
#0  0xffffe410 in __kernel_vsyscall ()
Comment 12 Marcus Jacobs 2008-05-02 13:36:24 UTC
I can confirm this bug for kde4.0.72 from Debian experimental. After upgrading yesterday I can no longer use kde4 as plasma always crashes, even after restarting it from a text console. 
Comment 13 Tomasz Budzyński 2008-05-08 11:02:48 UTC
Debian Experimental

It just crash then reload kwin and thats what i've got from debug

Application: Plasma Workspace (plasma), signal SIGSEGV
(no debugging symbols found)
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(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb55ab720 (LWP 15501)]
[New Thread 0xb2bf8b90 (LWP 15504)]
[New Thread 0xb3ab5b90 (LWP 15503)]
(no debugging symbols found)
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0xffffe410 in __kernel_vsyscall ()
[Current thread is 0 (LWP 15501)]

Thread 3 (Thread 0xb3ab5b90 (LWP 15503)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb599eaa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7ea2bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb73b6f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb3e7e967 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#5  0x0810a29c in ?? ()
#6  0x0810a298 in ?? ()
#7  0xffffffff in ?? ()
#8  0xb3ab5240 in ?? ()
#9  0xb3ab52fc in ?? ()
#10 0x08122e00 in ?? ()
#11 0xb7c3eee0 in ?? () from /usr/lib/libkdeui.so.5
#12 0xb3e839f4 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#13 0xb3e839d0 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#14 0x89288632 in ?? ()
#15 0xb3ab52cc in ?? ()
#16 0xb3ab52b4 in ?? ()
#17 0xb3ab52a4 in ?? ()
#18 0xb3ab5314 in ?? ()
#19 0xb3ab5304 in ?? ()
#20 0x0810a298 in ?? ()
#21 0x00000000 in ?? ()

Thread 2 (Thread 0xb2bf8b90 (LWP 15504)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb599eaa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7ea2bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb73b6f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5b1a03d in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb73b6482 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb599a4fb in start_thread () from /lib/i686/cmov/libpthread.so.0
#7  0xb7e95d7e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb55ab720 (LWP 15501)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7e54b26 in nanosleep () from /lib/i686/cmov/libc.so.6
#2  0xb7e54937 in sleep () from /lib/i686/cmov/libc.so.6
#3  0xb7b3ac8c in ?? () from /usr/lib/libkdeui.so.5
#4  0x00000001 in ?? ()
#5  0x00000000 in ?? ()
#0  0xffffe410 in __kernel_vsyscall ()
Comment 14 Manuel Bellersen 2008-05-28 19:39:47 UTC
Debian GNU/Linux testing 
Kernel 2.6.24-1-686
KDE 4.1 beta ( http://pkg-kde.alioth.debian.org/experimental.html )


crash-report:

Application: Plasma Workspace (plasma), signal SIGSEGV
(no debugging symbols found)
Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1".
(no debugging symbols found)
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(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb4854740 (LWP 9828)]
[New Thread 0xaec48b90 (LWP 9899)]
[New Thread 0xaf449b90 (LWP 9898)]
[New Thread 0xafc4ab90 (LWP 9897)]
[New Thread 0xb044bb90 (LWP 9896)]
[New Thread 0xb0c4cb90 (LWP 9895)]
[New Thread 0xb144db90 (LWP 9838)]
[New Thread 0xb2bcbb90 (LWP 9835)]
(no debugging symbols found)
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0xffffe410 in __kernel_vsyscall ()
[Current thread is 0 (LWP 9828)]

Thread 8 (Thread 0xb2bcbb90 (LWP 9835)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb5985aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7f03bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7532f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb3036797 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#5  0x081046a4 in ?? ()
#6  0x081046a0 in ?? ()
#7  0xffffffff in ?? ()
#8  0xb2bcb220 in ?? ()
#9  0xb2bcb2dc in ?? ()
#10 0x0817e180 in ?? ()
#11 0xb7c858a0 in ?? () from /usr/lib/libkdeui.so.5
#12 0xb303b838 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#13 0xb303b814 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#14 0x89288632 in ?? ()
#15 0xb2bcb2ac in ?? ()
#16 0xb2bcb294 in ?? ()
#17 0xb2bcb284 in ?? ()
#18 0xb2bcb2f4 in ?? ()
#19 0xb2bcb2e4 in ?? ()
#20 0x081046a0 in ?? ()
#21 0x00000000 in ?? ()

Thread 7 (Thread 0xb144db90 (LWP 9838)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb5985aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7f03bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7532f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5ae30ad in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb7532482 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb59814fb in start_thread () from /lib/i686/cmov/libpthread.so.0
#7  0xb7ef6d7e in clone () from /lib/i686/cmov/libc.so.6

Thread 6 (Thread 0xb0c4cb90 (LWP 9895)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb5985aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7f03bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7532f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb3036797 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#5  0x08738f58 in ?? ()
#6  0x08738f54 in ?? ()
#7  0xffffffff in ?? ()
#8  0xb0c4c220 in ?? ()
#9  0xb0c4c2dc in ?? ()
#10 0x087bfe80 in ?? ()
#11 0xb7c858a0 in ?? () from /usr/lib/libkdeui.so.5
#12 0xb303b838 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#13 0xb303b814 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#14 0x08772340 in ?? ()
#15 0xb0c4c2ac in ?? ()
#16 0xb0c4c294 in ?? ()
#17 0xb0c4c284 in ?? ()
#18 0xb0c4c2f4 in ?? ()
#19 0xb0c4c2e4 in ?? ()
#20 0x08738f54 in ?? ()
#21 0xb7f6b140 in ?? () from /lib/i686/cmov/libc.so.6
#22 0xb0c4c2b8 in ?? ()
#23 0x010f753f in ?? ()
#24 0x3dcccccd in ?? ()
#25 0x00000002 in ?? ()
#26 0x00000000 in ?? ()

Thread 5 (Thread 0xb044bb90 (LWP 9896)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb5985aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7f03bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7532f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5ceeedd in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x087b9cc8 in ?? ()
#6  0x08353400 in ?? ()
#7  0xffffffff in ?? ()
#8  0x00000010 in ?? ()
#9  0x08511010 in ?? ()
#10 0x08831aa0 in ?? ()
#11 0x00000000 in ?? ()

Thread 4 (Thread 0xafc4ab90 (LWP 9897)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb5985aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7f03bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7532f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5ceeedd in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x087b9cc8 in ?? ()
#6  0x08353400 in ?? ()
#7  0xffffffff in ?? ()
#8  0x00000010 in ?? ()
#9  0x08511010 in ?? ()
#10 0x08833310 in ?? ()
#11 0x00000000 in ?? ()

Thread 3 (Thread 0xaf449b90 (LWP 9898)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb5985aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7f03bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7532f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5ceeedd in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x087b9cc8 in ?? ()
#6  0x08353400 in ?? ()
#7  0xffffffff in ?? ()
#8  0x00000010 in ?? ()
#9  0x08511010 in ?? ()
#10 0x08834980 in ?? ()
#11 0x00000000 in ?? ()

Thread 2 (Thread 0xaec48b90 (LWP 9899)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb5985aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/i686/cmov/libpthread.so.0
#2  0xb7f03bfd in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb7532f76 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb5ceeedd in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x087b9cc8 in ?? ()
#6  0x08353400 in ?? ()
#7  0xffffffff in ?? ()
#8  0x00000010 in ?? ()
#9  0x08511010 in ?? ()
#10 0x08834ac0 in ?? ()
#11 0x00000000 in ?? ()

Thread 1 (Thread 0xb4854740 (LWP 9828)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7eb5b26 in nanosleep () from /lib/i686/cmov/libc.so.6
#2  0xb7eb5937 in sleep () from /lib/i686/cmov/libc.so.6
#3  0xb7b76c4d in ?? () from /usr/lib/libkdeui.so.5
#4  0x00000001 in ?? ()
#5  0x00000000 in ?? ()
#0  0xffffe410 in __kernel_vsyscall ()
Comment 15 Jason Stubbs 2008-06-01 07:50:15 UTC
With 4.1 just around the corner, it's time to close off 4.0 bugs. If you get similar crashes with 4.1 please open a new bug with a full backtrace.
Comment 16 Walter 2008-07-31 00:42:12 UTC
Can you suggest a repair to resolve this error?  Updated yesterday to latest 
KDE 4,1 install

A Fatal Error Occurred
The application Plasma Workspace (plasma) crashed and caused the signal 11 (SIGSEGV).


Application: Plasma Workspace (plasma), signal SIGSEGV

(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb4ccc960 (LWP 6738)]
(no debugging symbols found)
(
(no debugging symbols found)
[KCrash handler]
#6  0xb6be1e16 in QAction::setVisible () from /usr/lib/libQtGui.so.4
#7  0xb31d1931 in ?? () from /usr/lib/kde4/lib/kde4/plasma_applet_launcher.so
#8  0xb7cdee46 in Plasma::Applet::flushPendingConstraintsEvents ()
   from /usr/lib/kde4/lib/libplasma.so.2
#9  0xb7cdf60e in Plasma::Applet::timerEvent ()
   from /usr/lib/kde4/lib/libplasma.so.2
#10 0xb7685c9a in QObject::event () from /usr/lib/libQtCore.so.4
#11 0xb7197fff in QGraphicsWidget::event () from /usr/lib/libQtGui.so.4
#12 0xb6be6c0c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#13 0xb6beb799 in QApplication::notify () from /usr/lib/libQtGui.so.4
#14 0xb7af2ef3 in KApplication::notify () from /usr/lib/kde4/lib/libkdeui.so.5
#15 0xb76756a9 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#16 0xb76a31a1 in ?? () from /usr/lib/libQtCore.so.4
#17 0xb76a0a40 in ?? () from /usr/lib/libQtCore.so.4
#18 0xb59adbf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0xb59b0e5e in ?? () from /usr/lib/libglib-2.0.so.0
#20 0xb59b13ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#21 0xb76a0f98 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#22 0xb6c7a195 in ?? () from /usr/lib/libQtGui.so.4
#23 0xb767492d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#24 0xb7674abd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#25 0xb68c85d7 in KIO::NetAccess::enter_loop ()
   from /usr/lib/kde4/lib/libkio.so.5
#26 0xb68c8b27 in KIO::NetAccess::statInternal ()
   from /usr/lib/kde4/lib/libkio.so.5
#27 0xb68c913b in KIO::NetAccess::stat () from /usr/lib/kde4/lib/libkio.so.5
#28 0xb68c91e4 in KIO::NetAccess::mostLocalUrl ()
   from /usr/lib/kde4/lib/libkio.so.5
#29 0xb353484e in ?? () from /usr/lib/kde4/lib/kde4/plasma_applet_icon.so
#30 0xb353585c in ?? () from /usr/lib/kde4/lib/kde4/plasma_applet_icon.so
#31 0xb7d10e0b in Plasma::Corona::loadLayout ()
   from /usr/lib/kde4/lib/libplasma.so.2
#32 0xb7d10fa1 in Plasma::Corona::initializeLayout ()
   from /usr/lib/kde4/lib/libplasma.so.2
#33 0xb7f75432 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#34 0xb7f76aa4 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#35 0xb7f773db in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#36 0xb7f6a267 in kdemain () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#37 0x08048582 in _start ()
#0  0xb7f85410 in __kernel_vsyscall ()
Comment 17 Walter 2008-08-01 12:16:41 UTC
Installed some further updates today and followed remarks in #10 above  by Markus Grob 

Removed   /home/yourname/.kde4/share/config/plasma-appletsrc  and restarted with 'Ctrl Alt Backspace' and all seems well. (so far)  Thanks Markus
Comment 18 zhangjun 2009-07-03 05:20:20 UTC
Removed   /home/yourname/.kde4/share/config/plasma-appletsrc  and restarted

i can not find file "plasma-appletsrc" in that dir...

but when i restart my system it appears the following message:

A Fatal Error Occurred
The application Plasma Workspace (plasma) crashed and caused the signal 11 (SIGSEGV).