Bug 1432619 - baloosearchrunner - zombie child - xdg-user-dir 100% CPU
Summary: baloosearchrunner - zombie child - xdg-user-dir 100% CPU
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: plasma-workspace
Version: 25
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: KDE SIG
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-03-15 19:37 UTC by Gerald Cox
Modified: 2017-04-25 21:35 UTC (History)
11 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2017-04-25 02:24:34 UTC
Type: Bug
Embargoed:


Attachments (Terms of Use)
backtrace (58.99 KB, text/plain)
2017-03-15 19:37 UTC, Gerald Cox
no flags Details
krunner backtrace (45.09 KB, text/plain)
2017-03-16 19:01 UTC, Gerald Cox
no flags Details


Links
System ID Private Priority Status Summary Last Updated
KDE Software Compilation 377671 0 None None None 2017-03-16 02:49:53 UTC

Description Gerald Cox 2017-03-15 19:37:39 UTC
Created attachment 1263441 [details]
backtrace

Description of problem:
Plasmashell - zombie child - xdg-user-dir 100% CPU

ps axo stat,ppid,pid,comm | grep -w defunct
Z     2084  6679 xdg-user-dir <defunct>

ps -e | grep 2084
 2084 ?        00:27:57 plasmashell


Version-Release number of selected component (if applicable):

kf5-plasma-5.32.0-2.fc25.x86_64

How reproducible:
Not sure what triggers... I had just rebooted about an hour ago and it just happened.


Actual results:
plasmashell process uses 100% cpu - zombie process xdg-user-dir

Expected results:
No zombie, normal cpu utilization

Additional info:

Comment 1 Gerald Cox 2017-03-16 02:49:54 UTC
Created bug upstream

Comment 2 Rex Dieter 2017-03-16 13:05:14 UTC
This looks like the relevant thread:

Thread 19 (Thread 0x7fdc597fb700 (LWP 5719)):
#0  0x00007fdd5d0c5bed in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdd5d04a7e0 in _IO_new_file_underflow (fp=0x7fdc3c031be0) at fileops.c:600
---Type <return> to continue, or q <return> to quit---
#2  0x00007fdd5d04ba62 in __GI__IO_default_uflow (fp=0x7fdc3c031be0) at genops.c:413
#3  0x00007fdd5d045b20 in _IO_getc (fp=0x7fdc3c031be0) at getc.c:38
#4  0x00007fdd5de29e63 in QFSFileEnginePrivate::nativeRead(char*, long long) (this=0x7fdc3c047460, data=0x7fdc597f6560 "/home/gbcox/Music\n\ns\n\nDOCUMENTS_DIR=\"$HOME/Documents\"\nXDG_MUSIC_DIR=\"$HOME/Music\"\nXDG_PICTURES_DIR=\"$HOME/Pictures\"\nXDG_VIDEOS_DIR=\"$HOME/Videos\"\n\177Y\334\177", len=16384) at io/qfsfileengine_unix.cpp:320
#5  0x00007fdd5ddd340f in QFileDevice::readData(char*, long long) (this=<optimized out>, data=0x7fdc597f6560 "/home/gbcox/Music\n\ns\n\nDOCUMENTS_DIR=\"$HOME/Documents\"\nXDG_MUSIC_DIR=\"$HOME/Music\"\nXDG_PICTURES_DIR=\"$HOME/Pictures\"\nXDG_VIDEOS_DIR=\"$HOME/Videos\"\n\177Y\334\177", len=16384) at io/qfiledevice.cpp:460
#6  0x00007fdd5ddd9d29 in QIODevice::read(char*, long long) (
    this=0x7fdc3c0132b0, data=data@entry=0x7fdc597f6560 "/home/gbcox/Music\n\ns\n\nDOCUMENTS_DIR=\"$HOME/Documents\"\nXDG_MUSIC_DIR=\"$HOME/Music\"\nXDG_PICTURES_DIR=\"$HOME/Pictures\"\nXDG_VIDEOS_DIR=\"$HOME/Videos\"\n\177Y\334\177", maxSize=maxSize@entry=16384) at io/qiodevice.cpp:1055
#7  0x00007fdd5dde80c3 in QTextStreamPrivate::fillReadBuffer(long long) (this=this@entry=0x7fdc3c01b880, maxBytes=maxBytes@entry=-1) at io/qtextstream.cpp:456
#8  0x00007fdd5dde8593 in QTextStreamPrivate::read(int) (this=0x7fdc3c01b880, maxlen=maxlen@entry=2147483647) at io/qtextstream.cpp:631
#9  0x00007fdd5dde9a10 in QTextStream::readAll() (this=this@entry=0x7fdc597fa6c0) at io/qtextstream.cpp:1655
#10 0x00007fdd5ec936d3 in KConfigPrivate::expandString(QString const&) (value=...) at /usr/src/debug/kconfig-5.32.0/src/core/kconfig.cpp:193
#11 0x00007fdd5ec9ece8 in KConfigGroup::readPathEntry(char const*, QString const&) const (this=<optimized out>, key=0x7fdc5aeae1c7 "folders", aDefault=...)
    at /usr/src/debug/kconfig-5.32.0/src/core/kconfiggroup.cpp:816
#12 0x00007fdd5eca191c in KConfigGroup::readPathEntry(char const*, QStringList const&) const (this=<optimized out>, key=<optimized out>, aDefault=...)
    at /usr/src/debug/kconfig-5.32.0/src/core/kconfiggroup.cpp:828
#13 0x00007fdc5aea2fa5 in Baloo::FileIndexerConfig::buildFolderCache() () at /lib64/libKF5Baloo.so.5
#14 0x00007fdc5aea365b in Baloo::FileIndexerConfig::forceConfigUpdate() () at /lib64/libKF5Baloo.so.5
#15 0x00007fdc5aea37b0 in Baloo::FileIndexerConfig::FileIndexerConfig(QObject*) () at /lib64/libKF5Baloo.so.5
#16 0x00007fdc5aea0a00 in Baloo::IndexerConfig::IndexerConfig() () at /lib64/libKF5Baloo.so.5
#17 0x00007fdc5b0c2184 in SearchRunner::match(Plasma::RunnerContext&, QString const&, QString const&) (this=this@entry=0x55b577ce36d0, context=..., type=..., category=...)
    at /usr/src/debug/plasma-workspace-5.9.3/runners/baloo/baloosearchrunner.cpp:94
#18 0x00007fdc5b0c3241 in SearchRunner::match(Plasma::RunnerContext&) (this=0x55b577ce36d0, context=...) at /usr/src/debug/plasma-workspace-5.9.3/runners/baloo/baloosearchrunner.cpp:177

Comment 3 Rex Dieter 2017-03-16 13:19:12 UTC
Thanks, added comments in upstream bug report.

Comment 4 Gerald Cox 2017-03-16 19:01:06 UTC
Created attachment 1263825 [details]
krunner backtrace

Problem just occurred again... this time with krunner taking all the cpu.

was about to clear issue by:
killall krunner; krunner

Comment 5 Fedora Update System 2017-04-21 11:40:29 UTC
kde-settings-25-6.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2017-5ae1d08bff

Comment 6 Fedora Update System 2017-04-21 11:50:05 UTC
kde-settings-25-6.fc25.1 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2017-5ae1d08bff

Comment 7 Fedora Update System 2017-04-21 11:50:30 UTC
kde-settings-26-1.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2017-8f53ee1a98

Comment 8 Fedora Update System 2017-04-23 17:19:42 UTC
kde-settings-25-6.fc25.1 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-5ae1d08bff

Comment 9 Fedora Update System 2017-04-23 20:22:53 UTC
kde-settings-26-1.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-8f53ee1a98

Comment 10 Fedora Update System 2017-04-25 02:24:34 UTC
kde-settings-25-6.fc25.1 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.

Comment 11 Fedora Update System 2017-04-25 21:35:06 UTC
kde-settings-26-1.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.


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