On Thu, Jun 16, 2011 at 04:57:59PM -0400, Alan Stern wrote: > > > > When I try to suspend my ASUS K53E laptop, the process hangs after > > > > spinning down the disk unless I unload ehci_hcd. This happens on 2.6.38, > > > > 2.6.39 and 3.0-rc3+. Some details are at > > > > https://bugzilla.kernel.org/show_bug.cgi?id=37632 > > > > What additional info can I provide to help fix this if this is possible? > > > Set CONFIG_USB_DEBUG=y and boot with "no_console_suspend" on the > > > command line. What appears on the console when the system is hung? > > PM: Entering mem sleep > > usb usb2: usb auto-resume > > sd blah-blah syncing cache > > ehci_hcd 0000:00:1d.0: resume root hub > > usb 1-1.1: usb suspend > > sd blah-blah stopping disk > > hub 1-1:1.0: hub_suspend > > usb 1-1: unlink qh256-0001/ffff88013b411000 start 1 [1/0 us] > > usb 1-1: usb suspend > > > > > > and that's all. > > Okay, the next step is to try and find out exactly where the ehci > suspend procedure is hanging. The patch below adds a bunch of > printouts at various spots throughout the procedure. Let's see what > shows up. I don't see any of these new messages. -- WBR, wRAR
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