----- Original Message ----- > On Tue, Apr 12, 2011 at 04:34:10PM -0400, CAI Qian wrote: > > > If auto-suspend is working properly, you > > > should > > > see messages like: > > > > > > "usb 9-1: usb auto-suspend" > > Yes, there was a message there. > > > > kernel: usb 9-1.2: usb auto-suspend > > Ok, will you please try the patch Alan sent (the one that removes the > can_submit check). I am able to reproduce this with Linus' latest After applied this patch on the top of the 5 patches, it is now working. Awesome! Thanks! CAI Qian > tree, > and a Pluggable USB 3.0 hard drive dock attached to a Buffalo USB 3.0 > hub. It's odd that the system is allowed to hibernate the first time, > since I don't have any of Andiry's patches for USB 3.0 hub suspend > enabled (either the 5 patches, or the port power off workaround). > > What I notice is that after the first hibernate, the drive seems to be > there, but when I browse folders, they are all empty. When I run > lsusb, > the hard drive is not connected, and dmesg shows lots of errors from > the > block layer, so it looks like the drive disconnected during the > hibernate. When I try to hibernate a second time (without unplugging > the drive and replugging it in), the system refuses to hibernate. > > I don't have a serial port, so I can't get messages from the second or > third parts of the hibernate (thank you Alan for the very complete > explanation). I'm not able to tell if the hibernate issue is exactly > the same cause as yours, but it does look similar. I'll test with > Alan's patch and see if it helps. > > Sarah Sharp > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" > in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html