kern/50302: RPI reports "sdhc0: cmd timeout error"

[skrll%netbsd.org@localhost]

>Number:         50302
>Category:       kern
>Synopsis:       RPI reports "sdhc0: cmd timeout error"
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Oct 05 08:20:00 +0000 2015
>Originator:     Nick Hudson
>Release:        -current 7.99.21
>Organization:
none
>Environment:
NetBSD rpi 7.99.21 NetBSD 7.99.21 (RPI) #10: Sun Oct  4 11:40:22 BST 2015  nick@zoom:/wrk/nhusb/obj.evbearmv6hf-el/wrk/nhusb/src/sys/arch/evbarm/compile/RPI evbarm

>Description:
rpi# dmesg | grep ^sdhc
sdhc0 at obio0 intr 62: SDHC controller
sdhc0: interrupting on intr 62
sdhc0: SDHC 3.0, rev 153, platform DMA, 250000 kHz, HS SDR50 3.3V, re-tuning mode 1, 1024 byte blocks
sdhc0: cmd timeout error
sdhc0: cmd timeout error
rpi# 

>How-To-Repeat:
Boot -current on a RaspberryPI
>Fix:
Please