In the last 24 hours since installing Beta5, I've had 5 kernel panics on my MacBookPro, 1G RAM, OS X 10.4.6, WinXP SP2. This last one took out my finder and I had to reset all my preferences for dirve mappings, fonts, views, etc. File system checked good (that's the good news), but something is not right with Beta5. My next option is to disable the Shared Folders function and see if that clears it up. I can not reproduce the cause of the panics. I can reprodce one error related to the Compactor Beta though. I ran the compactor and it went through both processes, then reported via OSX that it completed successfully. When I clicked OK on that dialog, about 3 seconds later the PW creashed, then a dialog poped up stating an invalid APIcall (I think is was error 217, but the text file I was writing this in got damaged a minute later when the system kernel panic'd.). Just after that error, I quit Parallels and went to eject a drive image and had another kernel panic. Here are the Panic Logs from today: ********* Thu Apr 27 08:42:33 2006 panic(cpu 0 caller 0x002E0177): btree_journal_modify_block_end: about to write corrupt node! Backtrace, Format - Frame : Return Address (4 potential args on stack) 0x13e736d8 : 0x128b5e (0x3bbeb8 0x13e736fc 0x131bbc 0x0) 0x13e73718 : 0x2e0177 (0x3d5640 0x2c1c420 0x1 0x102) 0x13e73768 : 0x2e0306 (0x13e73788 0x0 0x10 0x29919000) 0x13e737a8 : 0x309a37 (0x2c1c420 0x13e73808 0x102 0x0) 0x13e737c8 : 0x30b354 (0x2a7ea84 0x13e73808 0x0 0x100) 0x13e73878 : 0x30b418 (0x0 0x13e739a0 0x10 0x1) 0x13e738d8 : 0x307bd1 (0x2a7ea84 0x13e73920 0x34a5820 0x34a5c32) 0x13e739d8 : 0x2e35a2 (0x2c1b318 0x34a5804 0x13e73a2c 0xf8) 0x13e73a58 : 0x3029cc (0x2b37804 0x13e73b2c 0x13e73aa4 0x13e73b18) 0x13e73b68 : 0x3031fe (0x13e73e8c 0x13e73f68 0x0 0x2) 0x13e73b88 : 0x1d9f9b (0x13e73ba4 0x100 0x13e73cf8 0x24a2e04) 0x13e73bd8 : 0x1c51fd (0x2c45f78 0x13e73cf0 0x13e73e04 0x13e73e8c) 0x13e73c38 : 0x1d1cd1 (0x2c45f78 0x13e73cf0 0x13e73e04 0x13e73e8c) 0x13e73c88 : 0x1c9c96 (0x13e73cd8 0x13e73e4c 0x13e73e8c 0x0) 0x13e73e68 : 0x1ca0fd (0x601 0x13e73e8c 0x3008f50 0x8000) 0x13e73f78 : 0x36d8e4 (0x30799c4 0x3008f0c 0x3008f50 0x0) Backtrace continues... Kernel version: Darwin Kernel Version 8.6.1: Tue Mar 7 16:55:45 PST 2006; root:xnu-792.9.22.obj~1/RELEASE_I386 ********* Thu Apr 27 09:01:20 2006 panic(cpu 0 caller 0x002E0177): btree_journal_modify_block_end: about to write corrupt node! Backtrace, Format - Frame : Return Address (4 potential args on stack) 0x13c9b6d8 : 0x128b5e (0x3bbeb8 0x13c9b6fc 0x131bbc 0x0) 0x13c9b718 : 0x2e0177 (0x3d5640 0x2c52528 0x1 0x102) 0x13c9b768 : 0x2e0306 (0x13c9b788 0x0 0x10 0x29aa1000) 0x13c9b7a8 : 0x309a37 (0x2c52528 0x13c9b808 0x102 0x0) 0x13c9b7c8 : 0x30b354 (0x2bc8a84 0x13c9b808 0x0 0x100) 0x13c9b878 : 0x30b418 (0x0 0x13c9b9a0 0x10 0x1) 0x13c9b8d8 : 0x307bd1 (0x2bc8a84 0x13c9b920 0x2e89020 0x2e89432) 0x13c9b9d8 : 0x2e35a2 (0x2c3d340 0x2e89004 0x13c9ba2c 0xf8) 0x13c9ba58 : 0x3029cc (0x2b78c04 0x13c9bb2c 0x13c9baa4 0x13c9bb18) 0x13c9bb68 : 0x3031fe (0x13c9be8c 0x13c9bf68 0x0 0x2) 0x13c9bb88 : 0x1d9f9b (0x13c9bba4 0x100 0x13c9bcf8 0x248b204) 0x13c9bbd8 : 0x1c51fd (0x2c68294 0x13c9bcf0 0x13c9be04 0x13c9be8c) 0x13c9bc38 : 0x1d1cd1 (0x2c68294 0x13c9bcf0 0x13c9be04 0x13c9be8c) 0x13c9bc88 : 0x1c9c96 (0x13c9bcd8 0x13c9be4c 0x13c9be8c 0x0) 0x13c9be68 : 0x1ca0fd (0x601 0x13c9be8c 0x2d76450 0x6c0) 0x13c9bf78 : 0x36d8e4 (0x29db9c4 0x2d7640c 0x2d76450 0x0) Backtrace continues... Kernel version: Darwin Kernel Version 8.6.1: Tue Mar 7 16:55:45 PST 2006; root:xnu-792.9.22.obj~1/RELEASE_I386 ********* Thu Apr 27 12:15:04 2006 panic(cpu 1 caller 0x0019CAEF): Unresolved kernel trap (CPU 1, Type 14=page fault), registers: CR0: 0x80010033, CR2: 0x4b83000c, CR3: 0x00d60000, CR4: 0x000026a0 EAX: 0x4b830004, EBX: 0x0145ae40, ECX: 0x024661e0, EDX: 0x004a1f80 ESP: 0x4b83000c, EBP: 0x13ce3df8, ESI: 0x01d0e384, EDI: 0x026057f8 EFL: 0x00010216, EIP: 0x0017e4c0, CS: 0x00000008, DS: 0x00000010 Backtrace, Format - Frame : Return Address (4 potential args on stack) 0x13ce3c88 : 0x128b5e (0x3bbeb8 0x13ce3cac 0x131bbc 0x0) 0x13ce3cc8 : 0x19caef (0x3c1340 0x1 0xe 0x3c10f8) 0x13ce3d78 : 0x197b53 (0x13ce3d8c 0x13ce3df8 0x17e4c0 0x190048) 0x13ce3d84 : 0x17e4c0 (0x190048 0x296a0010 0x10 0x10) 0x13ce3df8 : 0x17ead1 (0x1d0e384 0x26057f8 0x209000 0x0) 0x13ce3e28 : 0x1616df (0x26057f8 0x209000 0x0 0x5) 0x13ce3f78 : 0x19c5d6 (0x1287ce4 0x90001000 0x0 0x5) 0x13ce3fd8 : 0x197aaa (0x2466458 0x2466458 0x145ae40 0x4b83000c) No mapping exists for frame pointer Backtrace terminated-invalid frame pointer 0xbfff7508 Kernel version: Darwin Kernel Version 8.6.1: Tue Mar 7 16:55:45 PST 2006; root:xnu-792.9.22.obj~1/RELEASE_I386 *********