Hi Miller,
on my minimac/ppc under 10.4.7 , closing the test audio patch window
with dsp on results in
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x00000000 in ?? ()
(gdb) bt
#0 0x00000000 in ?? ()
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
#1 0x00045b9c in dsp_tick () at d_ugen.c:336
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
#2 0x0003c9fc in sched_tick (next_sys_time=Cannot access memory at
address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
Cannot access memory at address 0x0
129904640) at m_sched.c:365
#3 0x0003cc84 in m_scheduler () at m_sched.c:460
#4 0x000025a4 in _start (argc=1, argv=0xbffffb98, envp=0xbffffba0)
at /SourceCache/Csu/Csu-46/crt.c:267
#5 0x00002418 in start ()
-- Thomas Grill http://grrrr.org