DVD Authoring GUI

CoreDuo crash fixes are part of RC2.

QDVDAuthor should now crash much less frequent.

Varol :)

some additional infos from dmesg ... using release 1.0.0 and cvs

------------------
qdvdauthor[15114]: segfault at 0000000000000000 rip 0000000000000000 rsp
00007fff2d33e2e8 error 14
qdvdauthor[15127]: segfault at 0000000000000000 rip 00002b76994aaf0b rsp
00007fff11b03e70 error 6
qdvdauthor[15141] general protection rip:894f2a rsp:7fffe5524ee8 error:0
qdvdauthor[15155]: segfault at 0000000d00000015 rip 00002b028a0159c4 rsp
00007fff20f97660 error 4
------------------

I got random crashes on some manipulations Core2Duo CPU ... why there is
not online at cpu0 ...

Crashes on recovering crashed project ...

Hope it will help ... more infos if required !
Martin

notebook1:~ # ll /sys/devices/system/cpu/cpu0/
insgesamt 0
drwxr-xr-x 5 root root 0 19. Jun 11:17 cache
-r-------- 1 root root 4096 19. Jun 12:43 crash_notes
drwxr-xr-x 2 root root 0 19. Jun 11:17 thermal_throttle
drwxr-xr-x 2 root root 0 19. Jun 11:17 topology
notebook1:~ # ll /sys/devices/system/cpu/cpu1/
insgesamt 0
drwxr-xr-x 5 root root 0 19. Jun 11:17 cache
-r-------- 1 root root 4096 19. Jun 12:43 crash_notes
-rw------- 1 root root 4096 19. Jun 12:42 online
drwxr-xr-x 2 root root 0 19. Jun 11:17 thermal_throttle
drwxr-xr-x 2 root root 0 19. Jun 11:17 topology
notebook1:~ # cat /sys/devices/system/cpu/cpu0/crash_notes
3ea22c00
notebook1:~ # cat /sys/devices/system/cpu/cpu1/crash_notes
3ea22800

Same issue here on a Dell Pentium D. Program crashes with both CPUs
enabled and runs fine after disabling CPU1

I believe this may be due to thread issues with
multi-processor/hyperthreaded machines. I have reproduced errors
similar to this with both types of machines and then disabled all the
cpus except cpu0 (echo 0 >/sys/devices/system/cpu/cpu1/online) and the
problem appears to go away. Could others try this to see if it helps?


I also believe this is related to incident 1656685
http://sourceforge.net/tracker/index.php?func=detail&aid=1656685&group_id=98243&atid=620414

Thank you,

Applied patch.

Varol :)

This simple patch seems to fix this problem on ubuntu.

---
qdvdauthor3/qdvdauthor-0.1.2/qdvdauthor/qplayer/engines/qxinewidget.cpp 2006-08-26
07:50:24.000000000 +0300
+++
qdvdauthor2/qdvdauthor-0.1.2/qdvdauthor/qplayer/engines/qxinewidget.cpp 2007-01-17
19:51:07.000000000 +0200
@@ -1003,11 +1003,10 @@ bool QXineWidget::taskInitXine()
/** set xine parameters **/

const char* const* drivers = NULL;
- char** audioChoices = NULL;
+ char* audioChoices[15];
int i = 0;

drivers = xine_list_audio_output_plugins (xineEngine);
- audioChoices = new char*[15];
for(i = 0; i < 15; i++) audioChoices[i] = new char[10];
audioChoices[0] = const_cast<char*>("auto");
i = 0;
@@ -1033,9 +1032,8 @@ bool QXineWidget::taskInitXine()
debugOut(QString("Use audio driver %1\n").arg(audioDriverName));

i = 0;
- char** videoChoices = NULL;
+ char* videoChoices[15];
drivers = xine_list_video_output_plugins (xineEngine);
- videoChoices = new char*[15];
for(i = 0; i < 15; i++) videoChoices[i] = new char[10];
i = 0;
videoChoices[0] = const_cast<char*>("auto");

What do you mean? If the bugreports over at launchpad are not detailed
enough just post a note there asking the user to do something more for you.
I'll be happy to help if you tell me what you need to debug this.

I fixed a couple of bugs in Ubuntu though I can not say if I fixed them
all.

I see the attached crash reports but how can I use them to do actual
debugging ?

Any ideas ?