Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Fri, 18 Mar 2016 12:36:42 -0400 (EDT) Alan Stern wrote: > All right, I have taken Oliver's suggestion. The patch below refactors > the code to consolidate the common activities in a new function, > hid_restart_io(). > > Daniel, can you please test this patch?

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Tue, 1 Mar 2016 17:15:56 -0500 (EST) Alan Stern wrote: > Don't worry about the Elan driver. Instead, let's see if this patch > fixes the problem. Yes, this patch fixed the problem. I can suspend and resume without those repeated "reset" messages ;)

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Tue, 1 Mar 2016 15:55:00 -0500 (EST) Alan Stern wrote: > No messages about "usbhid_start urb" or "no input endpoint!" or > "usbhid_start fail urb"? That means usbhid_start() isn't getting > called. Which means the device in question probably isn't being used >

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Tue, 1 Mar 2016 10:25:30 -0500 (EST) Alan Stern wrote: > Now we're making progress! That shows a problem right there; we ought > to have more stuff about 3-1.6 between those two lines. > > The next patch adds some more debugging output. For this test you >

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Tue, 1 Mar 2016 10:25:30 -0500 (EST) Alan Stern wrote: > Now we're making progress! That shows a problem right there; we ought > to have more stuff about 3-1.6 between those two lines. > > The next patch adds some more debugging output. For this test you >

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Mon, 29 Feb 2016 16:28:40 -0500 (EST) Alan Stern wrote: > Okay, that's what I had guessed. Somehow usbhid->urbin is getting set > to NULL. Maybe the patch below will indicate why. When you post the > log, include everything that mentions the 3-1.6 device --

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Wed, 24 Feb 2016 14:24:44 -0500 (EST) Alan Stern wrote: > I intended the patch not to cause any call traces, but it did anyway. > So let's drop the questionable code and try something that will be > completely safe. Ok, here's what I got: Feb 24 19:16:41

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Tue, 23 Feb 2016 11:48:51 -0500 (EST) Alan Stern wrote: > I don't see any crash in that photo. Sorry. By "crash" I mean "unable to use the keyboard". Maybe I used the wrong term. > Also, it looks like the log results in this run were different from > what

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Tue, 23 Feb 2016 10:19:30 -0500 (EST) Alan Stern wrote: > All right; let's try a slightly different approach that shouldn't cause > any crashes at all. Unfortunately it still crashed with this new patch. I took a picture: http://imgur.com/OJCB129 --

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Mon, 22 Feb 2016 16:22:59 -0500 (EST) Alan Stern wrote: > Unfortunately I really need to see the stuff that shows up before the > first couple of pictures. Is there any way you can use a serial > console or network console to capture the log data?

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Mon, 22 Feb 2016 14:30:32 -0500 (EST) Alan Stern wrote: > Well, I'm still puzzled. I tried running that patch on my system > (under 4.5-rc2) and it worked perfectly. > > So let's try for a little more detail. Please apply this patch instead > of the earlier one.

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Fri, 19 Feb 2016 14:13:25 -0500 (EST) Alan Stern wrote: > -22 is -EINVAL, so we need to figure out which of the many possible > EINVAL errors you're getting. Try the patch below. I applied your patch, but when it wakes up from S3, the system is stalled:

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Thu, 18 Feb 2016 15:23:00 -0500 (EST) Alan Stern wrote: > Something like the patch below (untested). > + dev_info(>dev, "post reset hid_start_in -> %d\n", status); Ok, so I got the following: Feb 18 19:22:26 tux kernel: [ 258.693120] usb 3-1.6: reset

Re: "reset full-speed USB device number 6 using ehci-pci" with Dell Inspiron 15R 5537

On Thu, 18 Feb 2016 14:30:15 -0500 (EST) Alan Stern wrote: > It looks like there's some problem in the usbhid driver. Apparently > hid_start_in() gets some sort of error when it submits the input URB, > because that URB doesn't show up in the usbmon output. > > Can