Hi all, The problem is still there. I guess the "SMM does not respond" message leads to the kldunload failure.
ibm-01# kldload usb ohci0: <OHCI (generic) USB controller> mem 0xeddff000-0xeddfffff irq 10 at device 15.2 on pci0 usb0: OHCI version 1.0, legacy support usb0: SMM does not respond, resetting usb0: <OHCI (generic) USB controller> on ohci0 usb0: USB revision 1.0 uhub0: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered ibm-01# ibm-01# kldunload usb kldunload: can't unload file: Device not configured > # Feb 14 16:05:02 ibm-01 reboot: rebooted by root > Waiting (max 60 seconds) for system process `vnlru' to stop...stopped > Waiting (max 60 s This one was ACPI. With acpi loaded, every reboot(8) hangs. Martin To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message