I had posted this in a different thread but figured it deserves its own:

When I select crossfading in the playback options I get random issues with sound output and poor crossfading and after a couple clicks of the "next track" button I get the xine engine error....

No Problems at all when not using crossfade.

here is console output...

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[bill@laptop ~]$ amarokapp
QLayout "unnamed" added to QVBox "unnamed", which already has a layout
QLayout: Adding KToolBar/mainToolBar (child of QVBox/unnamed) to layout for PlaylistWindow/PlaylistWindow
STARTUP
QWidget::setMinimumSize: The smallest allowed size is (0,0)
QComboBox::setCurrentItem: (speakerComboBox) Index 1 out of range
Amarok is crashing...
Running: gdb --nw -n --batch -x /tmp/kde-bill/amarokqn4x9b.tmp amarokapp 25602
Cannot access memory at address 0x7fffffff
Cannot access memory at address 0x7fffffff
Cannot access memory at address 0x7fffffff
Running: file `which amarokapp`
1.4.3 [NOTstripped][validity: 1.00][frames:  53][line numbers][xine]
[bill@laptop ~]$ rpm -q xine
xine-0.99.4-5.fc5
[bill@laptop ~]$ rpm -qa |grep xine
xine-lib-devel-1.1.2-1.fc5
xine-lib-1.1.2-1.fc5
xine-skins-1.10-1.fc
xine-0.99.4-5.fc5

This may be misleading because I was fooling around with the output settings when it crashed....

Here is the debug stuff:

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======== DEBUG INFORMATION  =======
Version:    1.4.3
Engine:     xine-engine
Build date: Sep  5 2006
CC version: 4.1.1 20060525 (Red Hat 4.1.1-1)
KDElibs:    3.5.4-1.1.fc5.kde
Qt:         3.3.6
TagLib:     1.4.0
CPU count:  1

==== file `which amarokapp` =======
/usr/bin/amarokapp: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, not stripped


==== (gdb) bt =====================
Using host libthread_db library "/lib/libthread_db.so.1".
`shared object read from target memory' has disappeared; keeping its symbols.
[Thread debugging using libthread_db enabled]
[New Thread -1208412464 (LWP 25602)]
[New Thread 40610720 (LWP 25732)]
[New Thread -1213269088 (LWP 25729)]
0x00970402 in __kernel_vsyscall ()
#0  0x00970402 in __kernel_vsyscall ()
#1  0x00c2ec0b in __waitpid_nocancel () from /lib/libpthread.so.0
#2  0x0804d27f in amaroK::Crash::crashHandler ()
#3  <signal handler called>
#4  0x0027b559 in XineEngine::timerEvent ()
   from /usr/lib/kde3/libamarok_xine-engine.so
#5  0x07217ec2 in QObject::event () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#6  0x071afc8b in QApplication::internalNotify ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#7  0x071b10d9 in QApplication::notify ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#8  0x066c8db3 in KApplication::notify () from /usr/lib/libkdecore.so.4
#9  0x071a3a92 in QEventLoop::activateTimers ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#10 0x0715568f in QEventLoop::processEvents ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#11 0x071c9130 in QEventLoop::enterLoop ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#12 0x071c8ff6 in QEventLoop::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#13 0x071af79f in QApplication::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#14 0x0804bdfe in main (argc=) at main.cpp:108
#0  0x00970402 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00c2ec0b in __waitpid_nocancel () from /lib/libpthread.so.0
No symbol table info available.
#2  0x0804d27f in amaroK::Crash::crashHandler ()
No symbol table info available.
#3  <signal handler called>
No symbol table info available.
#4  0x0027b559 in XineEngine::timerEvent ()
   from /usr/lib/kde3/libamarok_xine-engine.so
No symbol table info available.
#5  0x07217ec2 in QObject::event () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#6  0x071afc8b in QApplication::internalNotify ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#7  0x071b10d9 in QApplication::notify ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#8  0x066c8db3 in KApplication::notify () from /usr/lib/libkdecore.so.4
No symbol table info available.
#9  0x071a3a92 in QEventLoop::activateTimers ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#10 0x0715568f in QEventLoop::processEvents ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#11 0x071c9130 in QEventLoop::enterLoop ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#12 0x071c8ff6 in QEventLoop::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#13 0x071af79f in QApplication::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#14 0x0804bdfe in main (argc=) at main.cpp:108
   app = {<> = {<No data fields>}, <EngineObserver> = {
    _vptr.EngineObserver = 0x4e90da8, m_subject = 0x0},
  static metaObj = 0x8635e88, static mainThreadId = 0,
  m_pGlobalAccel = 0x8672140, m_pPlayerWindow = 0x0,
  m_pPlaylistWindow = 0x8675528, m_pTray = 0x868acf0,
  m_pMediaDeviceManager = 0x4eb5400}
==== (gdb) thread apply all bt ====
Thread 3 (Thread -1213269088 (LWP 25729)):
#0  0x00970402 in __kernel_vsyscall ()
#1  0x00c2b67c in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#2  0x004e3d35 in _x_metronom_init () from /usr/lib/libxine.so.1
#3  0x00c2840b in start_thread () from /lib/libpthread.so.0
#4  0x00a56b7e in clone () from /lib/libc.so.6
Thread 2 (Thread 40610720 (LWP 25732)):
#0  0x00970402 in __kernel_vsyscall ()
#1  0x00c2b406 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x004f6a28 in xine_event_wait () from /usr/lib/libxine.so.1
#3  0x004f6ab0 in xine_event_wait () from /usr/lib/libxine.so.1
#4  0x00c2840b in start_thread () from /lib/libpthread.so.0
#5  0x00a56b7e in clone () from /lib/libc.so.6
Thread 1 (Thread -1208412464 (LWP 25602)):
#0  0x00970402 in __kernel_vsyscall ()
#1  0x00c2ec0b in __waitpid_nocancel () from /lib/libpthread.so.0
#2  0x0804d27f in amaroK::Crash::crashHandler ()
#3  <signal handler called>
#4  0x0027b559 in XineEngine::timerEvent ()
   from /usr/lib/kde3/libamarok_xine-engine.so
#5  0x07217ec2 in QObject::event () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#6  0x071afc8b in QApplication::internalNotify ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#7  0x071b10d9 in QApplication::notify ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#8  0x066c8db3 in KApplication::notify () from /usr/lib/libkdecore.so.4
#9  0x071a3a92 in QEventLoop::activateTimers ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#10 0x0715568f in QEventLoop::processEvents ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#11 0x071c9130 in QEventLoop::enterLoop ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#12 0x071c8ff6 in QEventLoop::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#13 0x071af79f in QApplication::exec () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
#14 0x0804bdfe in main (argc=) at main.cpp:108


==== kdBacktrace() ================
[
0: /usr/lib/libkdecore.so.4(_Z11kdBacktracei+0x45) [0x6619865]
1: /usr/lib/libkdecore.so.4(_Z11kdBacktracev+0x2a) [0x6619bca]
2: amarokapp(_ZN6amaroK5Crash12crashHandlerEi+0xcfc) [0x804cc9c]
3: [0x970420]
4: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN7QObject5eventEP6QEvent+0x82) [0x7217ec2]
5: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN12QApplication14internalNotifyEP7QObjectP6QEvent+0x9b) [0x71afc8b]
6: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN12QApplication6notifyEP7QObjectP6QEvent+0xa9) [0x71b10d9]
7: /usr/lib/libkdecore.so.4(_ZN12KApplication6notifyEP7QObjectP6QEvent+0x183) [0x66c8db3]
8: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN10QEventLoop14activateTimersEv+0x202) [0x71a3a92]
9: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN10QEventLoop13processEventsEj+0x57f) [0x715568f]
10: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN10QEventLoop9enterLoopEv+0x40) [0x71c9130]
11: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN10QEventLoop4execEv+0x26) [0x71c8ff6]
12: /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN12QApplication4execEv+0x1f) [0x71af79f]
13: amarokapp [0x804bdfe]
14: /lib/libc.so.6(__libc_start_main+0xdc) [0x9a3724]
15: amarokapp(_ZN6QGList5clearEv+0xd5) [0x804b4d1]
]

dmesg give this interesting output.....What did I do to screw up alsa??

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application firefox-bin uses obsolete OSS audio interface
application amarokapp uses obsolete OSS audio interface
application firefox-bin uses obsolete OSS audio interface
application amarokapp uses obsolete OSS audio interface
application firefox-bin uses obsolete OSS audio interface
application amarokapp uses obsolete OSS audio interface
application firefox-bin uses obsolete OSS audio interface
application realplay.bin uses obsolete OSS audio interface
application TeamSpeak.bin uses obsolete OSS audio interface
application amarokapp uses obsolete OSS audio interface
application firefox-bin uses obsolete OSS audio interface
cdrom: This disc doesn't have any tracks I recognize!
BUG: unable to handle kernel paging request at virtual address b3a37aec
 printing eip:
c0470b40
*pde = 00000000
Oops: 0000 [#1]
last sysfs file: /block/hdc/size
Modules linked in: ip_queue iptable_filter ip_tables x_tables nfs i915 drm nfsd exportfs lockd nfs_acl autofs4 hidp rfcomm l2cap bluetooth sunrpc acpi_cpufreq xfs dm_mirror dm_mod video button battery ac ipv6 lp parport_pc parport snd_intel8x0m snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event wlan_scan_sta(U) snd_seq ohci1394 ath_pci(U) ath_rate_sample(U) snd_seq_device 8139cp wlan(U) ath_hal(U) ieee1394 8139too snd_pcm_oss joydev mii snd_mixer_oss ehci_hcd snd_pcm snd_timer snd i2c_i801 uhci_hcd i2c_core soundcore serio_raw snd_page_alloc ext3 jbd
CPU:    0
EIP:    0060:[<c0470b40>]    Tainted: PF     VLI
EFLAGS: 00010282   (2.6.17-1.2174_FC5 #1)
EIP is at dput+0x10/0x230
eax: b3a37aec   ebx: b3a37aec   ecx: 00000246   edx: ed23cce4
esi: ed23cc14   edi: ed23cc1c   ebp: 0000000c   esp: c18f0ee8
ds: 007b   es: 007b   ss: 0068
Process kswapd0 (pid: 157, threadinfo=c18f0000 task=c18ed000)
Stack: d0d6db58 ed23cc14 ed23cc1c b3a37aec ed23cc14 ed23cc1c c0470f17 000000d0
       00000000 f79cf3c0 000029cc f7ffbd20 00000082 000000d0 c0470f4f c0446df9
       c164c180 c15cad00 c153ff40 000a7300 00000000 000a7300 00036ebf 00000080
Call Trace:
 <c0470f17> prune_dcache+0x198/0x1bc  <c0470f4f> shrink_dcache_memory+0x14/0x2b
 <c0446df9> shrink_slab+0xe4/0x148  <c044810d> balance_pgdat+0x212/0x31d
 <c044839d> kswapd+0xce/0xd0  <c042c17c> autoremove_wake_function+0x0/0x35
 <c04482cf> kswapd+0x0/0xd0  <c0401005> kernel_thread_helper+0x5/0xb
Code: 0b 49 47 83 f9 ff 75 e5 89 f0 89 e2 89 1c 24 e8 7a fd ff ff 83 c4 0c 5b 5e 5f c3 57 56 53 89 c3 83 ec 0c 85 c0 0f 84 19 02 00 00 <8b> 03 48 75 14 ba 9c 00 00 00 b8 30 52 62 c0 e8 ca 79 fa ff e8
EIP: [<c0470b40>] dput+0x10/0x230 SS:ESP 0068:c18f0ee8
 <7>application xine uses obsolete OSS audio interface
application totem uses obsolete OSS audio interface
application xine uses obsolete OSS audio interface