Any ideas? Here's the bug report:

Application: KTorrent (ktorrent), signal SIGABRT
[Current thread is 0 (LWP 5973)]

Thread 4 (Thread 0xb4673b90 (LWP 5978)):
#0 0xb80ea430 in __kernel_vsyscall ()
#1 0xb6877df1 in select () from /lib/tls/i686/cmov/libc.so.6
#2 0xb75c9150 in ?? () from /usr/lib/libQtCore.so.4
#3 0xb74f96ae in ?? () from /usr/lib/libQtCore.so.4
#4 0xb621f50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5 0xb687fa0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xb3c67b90 (LWP 6549)):
#0 0xb688dfa2 in ?? () from /lib/tls/i686/cmov/libc.so.6
#1 0xb687517d in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7d0986f in ?? () from /usr/lib/libbtcore.so.7
#3 0xb7d098c9 in ?? () from /usr/lib/libbtcore.so.7
#4 0xb7d0a368 in ?? () from /usr/lib/libbtcore.so.7
#5 0xb74f96ae in ?? () from /usr/lib/libQtCore.so.4
#6 0xb621f50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7 0xb687fa0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb22e4b90 (LWP 6550)):
#0 0xb80ea430 in __kernel_vsyscall ()
#1 0xb6223075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb688dbbd in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3 0xb74fa6f2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4 0xb7d0922e in ?? () from /usr/lib/libbtcore.so.7
#5 0xb7d0a368 in ?? () from /usr/lib/libbtcore.so.7
#6 0xb74f96ae in ?? () from /usr/lib/libQtCore.so.4
#7 0xb621f50f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8 0xb687fa0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5edf6c0 (LWP 5973)):
[KCrash Handler]
#6 0xb80ea430 in __kernel_vsyscall ()
#7 0xb67c98a0 in raise () from /lib/tls/i686/cmov/libc.so.6
#8 0xb67cb268 in abort () from /lib/tls/i686/cmov/libc.so.6
#9 0xb74f1795 in qt_message_output () from /usr/lib/libQtCore.so.4
#10 0xb74f1872 in qFatal () from /usr/lib/libQtCore.so.4
#11 0xb751d086 in QListData::realloc () from /usr/lib/libQtCore.so.4
#12 0xb751d2b3 in QListData::append () from /usr/lib/libQtCore.so.4
#13 0xb71fb0d9 in ?? () from /usr/lib/libQtGui.so.4
#14 0xb722825d in ?? () from /usr/lib/libQtGui.so.4
#15 0xb722c979 in ?? () from /usr/lib/libQtGui.so.4
#16 0xb722cc50 in QSortFilterProxyModel::invalidate () from /usr/lib/libQtGui.so.4
#17 0x0807bcd3 in _start ()

That has been fixed in 3.2

Will 3.2 be available in Ubuntu 9.04?

One Salient Oversight wrote:Will 3.2 be available in Ubuntu 9.04?

This will be included in jaunty yes.