Bug 406456

Summary: Falkon crashes on NEON with HWE enabled and nouveau driver
Product: [Applications] Falkon Reporter: christian.lange
Component: generalAssignee: David Rosca <nowrep>
Status: RESOLVED DUPLICATE    
Severity: normal CC: jurajoravec
Priority: NOR    
Version First Reported In: 3.1.0   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description christian.lange 2019-04-12 05:12:22 UTC 
SUMMARY
Flakon crashes constantly on youtube.de  

STEPS TO REPRODUCE
1. open Falcon
2. open youtube.de
3. crash or freeze 

OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Latest KDE Neon User Edition with hwe enabled 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
When started in a terminal there are al ton of nouveau messages 
On my other system with intel graphics driver it works just fine.
Comment 1 christian.lange 2019-04-17 04:47:24 UTC 
Here is the terminal log. Just starting and opening youtube.de

$ falkon
Cannot initialize model with data QJsonObject() . missing: QJsonValue(string, "urls")
Falkon: 2 extensions loaded
QNetworkReplyHttpImplPrivate::_q_startOperation was called more than once QUrl("https://ac.duckduckgo.com/ac/?q=yo&type=list")
nouveau: kernel rejected pushbuf: Datei oder Verzeichnis nicht gefunden
nouveau: ch8: krec 0 pushes 0 bufs 1 relocs 0
nouveau: ch8: buf 00000000 00000002 00000004 00000004 00000000
nouveau: kernel rejected pushbuf: Datei oder Verzeichnis nicht gefunden
nouveau: ch8: krec 0 pushes 1 bufs 4 relocs 0
nouveau: ch8: buf 00000000 00000002 00000004 00000004 00000000
nouveau: ch8: buf 00000001 00000006 00000004 00000000 00000004
nouveau: ch8: buf 00000002 00000035 00000002 00000000 00000002
nouveau: ch8: buf 00000003 00000036 00000004 00000004 00000000
nouveau: ch8: psh 00000000 000003d878 000003d91c
nouveau:        0x20056080
nouveau:        0x000000d5
nouveau:        0x00000000
nouveau:        0x00000040
nouveau:        0x00000001
nouveau:        0x00000000
nouveau:        0x20046086
nouveau:        0x00000100
nouveau:        0x00000100
nouveau:        0x00000000
nouveau:        0x04440000
nouveau:        0x2002608c
nouveau:        0x000000cf
nouveau:        0x00000001
nouveau:        0x20056091
nouveau:        0x00000400
nouveau:        0x00000100
nouveau:        0x00000100
nouveau:        0x00000000
nouveau:        0x044c0000
nouveau:        0x80006223
nouveau:        0x2004622c
nouveau:        0x00000000
nouveau:        0x00000000
nouveau:        0x00000100
nouveau:        0x00000100
nouveau:        0x20046230
nouveau:        0x00000000
nouveau:        0x00000001
nouveau:        0x00000000
nouveau:        0x00000001
nouveau:        0x20046234
nouveau:        0x00000000
nouveau:        0x00000000
nouveau:        0x00000000
nouveau:        0x00000000
nouveau:        0x200406c0
nouveau:        0x00000000
nouveau:        0x00014000
nouveau:        0x00000080
nouveau:        0x1000f010
Received signal 11 SEGV_MAPERR 7efee1158000
#0 0x7efed96243ce <unknown>
#1 0x7efed9623273 <unknown>
#2 0x7efed9624345 <unknown>
#3 0x7efedf40ef20 <unknown>
#4 0x7efeafbd9967 <unknown>
#5 0x7efeafadf224 <unknown>
#6 0x7efeafbd1c6f <unknown>
#7 0x7efeaf128a29 <unknown>
#8 0x7efeaf128eaf <unknown>
#9 0x7efeaf129a40 nouveau_pushbuf_kick
#10 0x7efeafbd2186 <unknown>
#11 0x7efeaf7a58c1 <unknown>
#12 0x7efed9ca750a <unknown>
#13 0x7efeda044de9 <unknown>
#14 0x7efed9fbff12 <unknown>
#15 0x7efed9fe9a51 <unknown>
#16 0x7efedbe240b6 <unknown>
#17 0x7efedbe2bc83 <unknown>
#18 0x7efedbe2f73b <unknown>
#19 0x7efedbdd6da8 <unknown>
#20 0x7efedbe34763 <unknown>
#21 0x7efedbe3481a <unknown>
#22 0x7efedbe2840f <unknown>
#23 0x7efed9588133 <unknown>
#24 0x7efed95adc2a <unknown>
#25 0x7efed95ae2ef <unknown>
#26 0x7efed95ae478 <unknown>
#27 0x7efed95a8b11 <unknown>
#28 0x7efed95cb49b <unknown>
#29 0x7efed95fdd21 <unknown>
#30 0x7efed9630cd1 <unknown>
#31 0x7efed5c276db start_thread
#32 0x7efedf4f188f clone
  r8: 0000000000000006  r9: 0000000000000090 r10: 0000561babc640d0 r11: 0000561babc63f80
 r12: 0000561babc64180 r13: 0000561babc64c00 r14: 0000000000000001 r15: 00007efe64050b60
  di: 0000561babc64180  si: 0000000000000001  bp: 0000561babc6be00  bx: 0000561babc64180
  dx: 0000561babc250b8  ax: 00007efee1158000  cx: 0000000000000000  sp: 00007efe6fffdcc8
  ip: 00007efeafbd9967 efl: 0000000000010206 cgf: 002b000000000033 erf: 0000000000000004
 trp: 000000000000000e msk: 0000000000000000 cr2: 00007efee1158000
[end of stack trace]
Calling _exit(1). Core file will not be generated.
Comment 2 Juraj 2019-04-19 20:10:02 UTC 
It does not like nouveau.
https://bugs.kde.org/show_bug.cgi?id=397389#c6
Comment 3 David Rosca 2019-04-20 10:30:33 UTC 

*** This bug has been marked as a duplicate of bug 397389 ***