With a 1.6Z kernel, my laptop takes about 5 minutes longer to boot,
while probing the sd0 device.  The memory stick slot has nothing in
it.  The kernel used to detect it was offline, and continue along its
merry way, but now it seems to insist to try much, much harder.

--Michael

umass0 at uhub2 port 1 configuration 1 interface 0
umass0: Sony USB Memory Stick Slot, rev 1.10/1.07, addr 2
umass0: using ATAPI over CBI with CCI
atapibus0 at umass0 channel 0: 2 targets
sd0 at atapibus0 drive 0: <Sony, MSC-U03, 1.00> disk removable
umass0: CBI reset failed, STALLED
sd0(umass0:0:0): generic HBA error
sd0: drive offline
umass0: CBI reset failed, STALLED
sd0(umass0:0:0): generic HBA error
umass0: CBI reset failed, STALLED
sd0(umass0:0:0): generic HBA error
umass0: CBI reset failed, STALLED
sd0(umass0:0:0): generic HBA error
umass0: CBI reset failed, STALLED
sd0(umass0:0:0): generic HBA error
findroot: can't open dev sd0a (5)
umass0: CBI reset failed, STALLED
sd0(umass0:0:0): generic HBA error
umass0: CBI reset failed, STALLED
sd0(umass0:0:0): generic HBA error