My Dell xps-m1210 fails to initialize the ehci driver after upgrading to RELENG_6_2 (as shown below). It used to work on 6.1-RELEASE. ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem 0xffa80000-0xffa803ff irq 20 at device 29.7 on pci0 ehci0: Could not map memory device_attach: ehci0 attach returned 6 The full boot -v dmesg output is available here: http://www.mysharefile.com/v/5230666/62_rc1.txt.html