Same for me Lemonstre, Kernel panic when waking from sleep, attempting to use the Babyface after sleep or just using it at all (had been emailing for an hour launched iTunes hit play...Kernel panic).
Reinstalled the driver package no change, report below from lastest:
Interval Since Last Panic Report: 211502 sec
Panics Since Last Report: 2
Anonymous UUID: DA0C0693-9620-4408-96F0-2C363ABCDF72
Fri May 6 10:33:45 2011
panic(cpu 2 caller 0xffffff80002d11f4): Kernel trap at 0xffffff7f81636a06, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000000, CR3: 0x00000000581b6000, CR4: 0x0000000000040660
RAX: 0xffffff801477f600, RBX: 0xffffff80b16d29d0, RCX: 0xffffff80c3d35f20, RDX: 0xffffff80932e454c
RSP: 0xffffff80b16d2960, RBP: 0xffffff80b16d29c0, RSI: 0xffffff8014648500, RDI: 0x0000000000000000
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0x0000000000000000, R11: 0xffffff800053a83e
R12: 0xffffff80932e4000, R13: 0x0000009f886b3f14, R14: 0xffffff801c019428, R15: 0x0000000000000000
RFL: 0x0000000000010293, RIP: 0xffffff7f81636a06, CS: 0x0000000000000008, SS: 0x0000000000000010
Error code: 0x0000000000000000
Backtrace (CPU 2), Frame : Return Address
0xffffff80b16d2600 : 0xffffff8000204d15
0xffffff80b16d2700 : 0xffffff80002d11f4
0xffffff80b16d2850 : 0xffffff80002e3f1a
0xffffff80b16d2860 : 0xffffff7f81636a06
0xffffff80b16d29c0 : 0xffffff7f81636d38
0xffffff80b16d2a10 : 0xffffff7f8080ada3
0xffffff80b16d2a30 : 0xffffff7f8080ac8d
0xffffff80b16d2a50 : 0xffffff7f80810de4
0xffffff80b16d2a80 : 0xffffff800053c1bd
0xffffff80b16d2af0 : 0xffffff800053a7ad
0xffffff80b16d2b40 : 0xffffff7f8080e20c
0xffffff80b16d2b60 : 0xffffff8000552cb3
0xffffff80b16d2be0 : 0xffffff8000552ff2
0xffffff80b16d2c60 : 0xffffff800055377e
0xffffff80b16d2db0 : 0xffffff80002ba18c
0xffffff80b16d3e50 : 0xffffff8000205536
0xffffff80b16d3e80 : 0xffffff80002029eb
0xffffff80b16d3ef0 : 0xffffff8000274142
0xffffff80b16d3f60 : 0xffffff80002c305d
0xffffff80b16d3fa0 : 0xffffff80002e4854
Kernel Extensions in backtrace (with dependencies):
de.rme-audio.driver.FirefaceUSB(1.54)@0xffffff7f81632000->0xffffff7f81638fff
dependency: com.apple.iokit.IOAudioFamily(1.8.3fc2)@0xffffff7f80805000
dependency: com.apple.iokit.IOUSBFamily(4.2.0)@0xffffff7f8104f000
com.apple.iokit.IOAudioFamily(1.8.3fc2)@0xffffff7f80805000->0xffffff7f80820fff
dependency: com.apple.kext.OSvKernDSPLib(1.3)@0xffffff7f80800000
BSD process name corresponding to current thread: QuickTime Player
Mac OS version:
10J3250
Kernel version:
Darwin Kernel Version 10.7.3: Sun Mar 6 13:37:56 PST 2011; root:xnu-1504.14.2~1/RELEASE_X86_64
System model name: MacBookPro8,2 (Mac-94245A3940C91C80)