On 2012年10月29日 22:50:37, Ming Lei wrote:

On Mon, Oct 29, 2012 at 10:43 PM, Lan Tianyu [off-list ref] wrote:

quoted

I have umount the disk and there is no user of the device since its
usage_count
become zero.

Looks runtime PM of usb mass storage works well on my box with
3.7.0-rc3-next-20121029, maybe you can enable trace event on
runtime PM to see what happened.

Ok. Thanks.

Thanks

--
Best regards
Tianyu Lan