Bug 345774

Summary:	KTorrent crashed after download started (Gigabit speed)
Product:	[Applications] ktorrent	Reporter:	Raul Malea <raul.malea>
Component:	general	Assignee:	Joris Guisson <joris.guisson>
Status:	RESOLVED WORKSFORME
Severity:	crash	CC:	raul.malea
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	4.3.1
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Raul Malea 2015-04-01 21:05:43 UTC

Application: ktorrent (4.3.1)
KDE Platform Version: 4.14.6
Qt Version: 4.8.6
Operating System: Linux 3.16.7-7-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Start download of torrent (e.g: 6 GB , movie or video). Download start normaly.
- Unusual behavior I noticed:
After 3 second KTorrent creashed.
- Custom settings of the application:
Normal settings. KDE Plasma 5 installed.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4e27cbc800 (LWP 17162))]

Thread 4 (Thread 0x7f4e117aa700 (LWP 17175)):
[KCrash Handler]
#5  0x00007f4e238e5187 in raise () at /lib64/libc.so.6
#6  0x00007f4e238e6538 in abort () at /lib64/libc.so.6
#7  0x00007f4e241d4145 in __gnu_cxx::__verbose_terminate_handler() () at /usr/lib64/libstdc++.so.6
#8  0x00007f4e241d22e6 in  () at /usr/lib64/libstdc++.so.6
#9  0x00007f4e241d2313 in  () at /usr/lib64/libstdc++.so.6
#10 0x00007f4e241d2532 in  () at /usr/lib64/libstdc++.so.6
#11 0x00007f4e241d2a1d in operator new(unsigned long) () at /usr/lib64/libstdc++.so.6
#12 0x00007f4e241d2ab9 in operator new[](unsigned long) () at /usr/lib64/libstdc++.so.6
#13 0x00007f4e2781d5b3 in bt::PacketReader::newPacket(unsigned char*, unsigned int) () at /usr/lib64/libktorrent.so.5
#14 0x00007f4e2781ddb2 in bt::PacketReader::onDataReady(unsigned char*, unsigned int) () at /usr/lib64/libktorrent.so.5
#15 0x00007f4e278045dd in  () at /usr/lib64/libktorrent.so.5
#16 0x00007f4e278011c4 in  () at /usr/lib64/libktorrent.so.5
#17 0x00007f4e27801487 in  () at /usr/lib64/libktorrent.so.5
#18 0x00007f4e278006d5 in  () at /usr/lib64/libktorrent.so.5
#19 0x00007f4e278001b5 in  () at /usr/lib64/libktorrent.so.5
#20 0x00007f4e27800239 in  () at /usr/lib64/libktorrent.so.5
#21 0x00007f4e244f879f in  () at /usr/lib64/libQtCore.so.4
#22 0x00007f4e258710a4 in start_thread () at /lib64/libpthread.so.0
#23 0x00007f4e2399506d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f4e10fa9700 (LWP 17176)):
#0  0x00007f4e23990ff9 in syscall () at /lib64/libc.so.6
#1  0x00007f4e244f7243 in  () at /usr/lib64/libQtCore.so.4
#2  0x00007f4e244f380d in QMutex::lock() () at /usr/lib64/libQtCore.so.4
#3  0x00007f4e277ff970 in  () at /usr/lib64/libktorrent.so.5
#4  0x00007f4e27800239 in  () at /usr/lib64/libktorrent.so.5
#5  0x00007f4e244f879f in  () at /usr/lib64/libQtCore.so.4
#6  0x00007f4e258710a4 in start_thread () at /lib64/libpthread.so.0
#7  0x00007f4e2399506d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f4e0bfff700 (LWP 17177)):
#0  0x00007f4e2587505f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4e244f8c86 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f4e278029da in  () at /usr/lib64/libktorrent.so.5
#3  0x00007f4e244f879f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f4e258710a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f4e2399506d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f4e27cbc800 (LWP 17162)):
#0  0x00007f4e23990ff9 in syscall () at /lib64/libc.so.6
#1  0x00007f4e244f7243 in  () at /usr/lib64/libQtCore.so.4
#2  0x00007f4e244f36c5 in QMutex::lockInternal() () at /usr/lib64/libQtCore.so.4
#3  0x00007f4e277f08ce in bt::Out(unsigned int) () at /usr/lib64/libktorrent.so.5
#4  0x00007f4e277f0bfa in  () at /usr/lib64/libktorrent.so.5
#5  0x00007f4e244ee266 in qt_message_output(QtMsgType, char const*) () at /usr/lib64/libQtCore.so.4
#6  0x00007f4e244ee439 in  () at /usr/lib64/libQtCore.so.4
#7  0x00007f4e244ee684 in qWarning(char const*, ...) () at /usr/lib64/libQtCore.so.4
#8  0x00007f4e245f932b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#9  0x00007f4e245fe5b9 in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#10 0x000000000042aa29 in  ()
#11 0x00007f4e238d1b05 in __libc_start_main () at /lib64/libc.so.6
#12 0x000000000042bd9d in _start ()

Reported using DrKonqi

Comment 1 Nick Shaforostoff 2016-02-15 01:27:08 UTC

Git commit 842f4a6a5d23394d09f057c1df4da99f01fba4b7 by Nick Shaforostoff.
Committed on 15/02/2016 at 01:25.
Pushed by shaforo into branch 'master'.

switch to dequeue for the queues, in hope that it will improve situation with high speed transfers

M  +6    -7    src/peer/packetreader.cpp
M  +5    -0    src/peer/packetreader.h
M  +2    -2    src/utp/outputqueue.cpp
M  +5    -0    src/utp/outputqueue.h
M  +1    -1    src/utp/packetbuffer.h

http://commits.kde.org/libktorrent/842f4a6a5d23394d09f057c1df4da99f01fba4b7

Comment 2 Andrew Crouthamel 2018-11-01 13:39:34 UTC

Dear Bug Submitter,

This bug has been stagnant for a long time. Could you help us out and re-test if the bug is valid in the latest version? I am setting the status to NEEDSINFO pending your response, please change the Status back to REPORTED when you respond.

Thank you for helping us make KDE software even better for everyone!

Comment 3 Bug Janitor Service 2018-11-16 11:34:20 UTC

Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!

Comment 4 Raul Malea 2018-11-17 09:44:08 UTC

Sorry, for now I used openSUSE Leap 15.