Random MediaServer crashing on GCC4h

[streak]

gdb + backtrace

[tcsetpgrp failed in terminal_inferior: Invalid Argument]
Thread 181 called debugger(): oops
Reading symbols from /boot/system/runtime_loader...done.
Loaded symbols for /boot/system/runtime_loader
Reading symbols from /boot/system/lib/libbe.so...done.
Loaded symbols for /boot/system/lib/libbe.so
Reading symbols from /boot/system/lib/libmedia.so...done.
Loaded symbols for /boot/system/lib/libmedia.so
Reading symbols from /boot/system/lib/libgame.so...done.
Loaded symbols for /boot/system/lib/libgame.so
Reading symbols from /boot/system/lib/libsupc++.so...done.
Loaded symbols for /boot/system/lib/libsupc++.so
Reading symbols from /boot/system/lib/libstdc++.so...done.
Loaded symbols for /boot/system/lib/libstdc++.so
Reading symbols from /boot/system/lib/libroot.so...done.
Loaded symbols for /boot/system/lib/libroot.so
Reading symbols from /boot/system/add-ons/media/hmulti_audio.media_addon...done.
Loaded symbols for /boot/system/add-ons/media/hmulti_audio.media_addon
Reading symbols from /boot/system/add-ons/media/mixer.media_addon...done.
Loaded symbols for /boot/system/add-ons/media/mixer.media_addon
[tcsetpgrp failed in terminal_inferior: Invalid Argument]
[Switching to team /boot/system/servers/media_addon_server (139) thread Audio Mixer control (181)]
0xffff0114 in ?? ()
(gdb) bt
#0  0xffff0114 in ?? ()
#1  0x005bf173 in debugger () from /boot/system/lib/libroot.so
#2  0x0048bd2e in BBuffer::SetHeader () from /boot/system/lib/libmedia.so
#3  0x0048cd3c in BBufferConsumer::HandleMessage ()
   from /boot/system/lib/libmedia.so
#4  0x0049b1d6 in BMediaNode::WaitForMessage ()
   from /boot/system/lib/libmedia.so
#5  0x00495f72 in BMediaEventLooper::ControlLoop ()
---Type <return> to continue, or q <return> to quit---
   from /boot/system/lib/libmedia.so
#6  0x0049598b in BMediaEventLooper::_ControlThreadStart ()
   from /boot/system/lib/libmedia.so
#7  0x005c2e5c in thread_entry () from /boot/system/lib/libroot.so
#8  0x70184fec in ?? ()
(gdb) 
(gdb) 

[streak]

Problems on nightly hrev37165

[stippi]

Unfortunately, you have stripped the line with the debugger() message.