it was a one time kernel panic but i thought you still may be interested for debugging reasons. santa rosa macbook with 4gb ram running parallels desktop 3 build 5600: Fri May 16 20:31:31 2008 panic(cpu 1 caller 0x001A8C8A): Kernel trap at 0x5b38405d, type 14=page fault, registers: CR0: 0x8001003b, CR2: 0x00200200, CR3: 0x01133000, CR4: 0x00002660 EAX: 0x00200200, EBX: 0x108581c0, ECX: 0x108581d0, EDX: 0x00100100 CR2: 0x00200200, EBP: 0x5ad8beb8, ESI: 0x00000000, EDI: 0x5ab7e000 EFL: 0x00010206, EIP: 0x5b38405d, CS: 0x00000008, DS: 0x126d0010 Error code: 0x00000003 Backtrace, Format - Frame : Return Address (4 potential args on stack) 0x5ad8bcb8 : 0x12b0f7 (0x4581f4 0x5ad8bcec 0x133230 0x0) 0x5ad8bd08 : 0x1a8c8a (0x461720 0x5b38405d 0xe 0x460ed0) 0x5ad8bde8 : 0x19ece5 (0x5ad8be00 0x539680 0x5ad8beb8 0x5b38405d) 0x5ad8bdf8 : 0x5b38405d (0xe 0x5af80048 0x10 0x10) 0x5ad8beb8 : 0x5b3845f6 (0x108581c0 0x4a545e00 0x5ad8bf08 0x1369ad) 0x5ad8bee8 : 0x5b388cc5 (0x108581c0 0x206 0x5ad8bf18 0x5b383e27) 0x5ad8bf18 : 0x5b385828 (0x12151884 0x5b38d03c 0x5b38d058 0x2c) 0x5ad8bf48 : 0x5b38357f (0x12151884 0x5b38c690 0x5b38c670 0x28f) 0x5ad8bf78 : 0x5b3836f2 (0x15000000 0x0 0x0 0x70a3780) 0x5ad8bfc8 : 0x19eadc (0x0 0x0 0x1a20b5 0x126cfc80) Backtrace terminated-invalid frame pointer 0 Kernel loadable modules in backtrace (with dependencies): com.parallels.kext.vmmain(3.0)@0x5b382000->0x5b391fff BSD process name corresponding to current thread: kernel_task Mac OS version: 9C7010 Kernel version: Darwin Kernel Version 9.2.2: Tue Mar 4 21:17:34 PST 2008; root:xnu-1228.4.31~1/RELEASE_I386 System model name: MacBook3,1 (Mac-F22788C8)