I have a radeon x850 in my workstation that seems to have issues with the radeon driver. Here's an excerpt from debug log: ps2: devfs_publish_device input/keyboard/at/0, status = 0x00000000 void AddOnManager::MessageReceived(BMessage *) what: NMP_ ps2: keyboard found bfs: bfs_create_index:1989: File or Directory already exists Radeon - SYNC_TO_TOKEN: Failed waiting for token 8 (active token: 0) Radeon - Radeon_ResetEngine: Radeon - SYNC_TO_TOKEN: Failed waiting for token 11 (active token: 0) Radeon - Radeon_ResetEngine: Radeon - Radeon_DiscardAllIndirectBuffers: 3 Radeon - Radeon_DiscardAllIndirectBuffers: 4 Radeon - SYNC_TO_TOKEN: Failed waiting for token 11 (active token: 0) Radeon - Radeon_ResetEngine: Radeon - SYNC_TO_TOKEN: Failed waiting for token 14 (active token: 0) Radeon - Radeon_ResetEngine: Radeon - Radeon_DiscardAllIndirectBuffers: 4 Radeon - Radeon_DiscardAllIndirectBuffers: 3 Radeon - SYNC_TO_TOKEN: Failed waiting for token 14 (active token: 0) Radeon - Radeon_ResetEngine: Radeon - SYNC_TO_TOKEN: Failed waiting for token 17 (active token: 0) Radeon - Radeon_ResetEngine: Radeon - Radeon_DiscardAllIndirectBuffers: 3 Radeon - Radeon_DiscardAllIndirectBuffers: 4 Radeon - SYNC_TO_TOKEN: Failed waiting for token 17 (active token: 0) Radeon - Radeon_ResetEngine: Radeon - SYNC_TO_TOKEN: Failed waiting for token 20 (active token: 0) This continues till I power off the box. The full log is available here: http://pastebin.com/f69a3ba88 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.