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

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On Tue, 1 Mar 2016 10:25:30 -0500 (EST)
Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> 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 
> don't even have to suspend the system; all I need to see is the output 
> for 3-1.6 during boot-up and shortly thereafter.

	Unless you want all the USB related lines (but as you can see, no line related 
to 3-1.6 device):

[    2.409541] usbcore: registered new interface driver usbhid
[    2.409544] usbhid: USB HID core driver
[    4.978957] usbhid 1-1:1.0: usbhid_start urb ffff8802550c89c0
[    6.063118] usbhid 3-1.3:1.0: usbhid_start urb ffff8802553de900
[    6.113703] usbhid 3-1.3:1.1: usbhid_start urb ffff8802553de0c0
[    6.165616] usbhid 3-1.4:1.0: usbhid_start urb ffff880253e82540
[   27.760614] usbhid 1-1:1.0: usbhid_stop urb ffff8802550c89c0
[   31.181268] usbhid 3-1.4:1.0: usbhid_stop urb ffff880253e82540
[   31.184302] usbhid 3-1.4:1.0: usbhid_start urb ffff8802551e3840
[   31.249291] usbhid 3-1.4:1.0: usbhid_stop urb ffff8802551e3840
[   32.185425] usbhid 3-1.4:1.0: usbhid_start urb ffff88009474a540
[   32.250251] usbhid 3-1.4:1.0: usbhid_stop urb ffff88009474a540
[   33.186774] usbhid 3-1.4:1.0: usbhid_start urb ffff880253f593c0
[   87.237292] usbhid 3-1.3:1.0: usbhid_stop urb ffff8802553de900
[   87.252257] usbhid 3-1.3:1.1: usbhid_stop urb ffff8802553de0c0
[   87.276263] usbhid 3-1.4:1.0: usbhid_stop urb ffff880253f593c0
[   88.310249] usbhid 3-1.3:1.0: usbhid_start urb ffff880252287900
[   88.368040] usbhid 3-1.3:1.1: usbhid_start urb ffff880253f2a900
[   88.584825] usbhid 3-1.4:1.0: usbhid_start urb ffff88009474a000

	After the suspend test:

[  425.327979] usbhid 3-1.6:1.0: hid_cease_io urb           (null)
[  425.327993] usbhid 3-1.4:1.0: hid_cease_io urb ffff88009474a000
[  425.328001] usbhid 3-1.3:1.1: hid_cease_io urb ffff880253f2a900
[  425.330161] usbhid 3-1.3:1.0: hid_cease_io urb ffff880252287900
[  427.165478] usbhid 3-1.3:1.0: hid_start_in: urbin ffff880252287900
[  427.165500] usbhid 3-1.3:1.0: post reset hid_start_in -> 0
[  427.171082] usbhid 3-1.3:1.1: hid_start_in: urbin ffff880253f2a900
[  427.171089] usbhid 3-1.3:1.1: post reset hid_start_in -> 0
[  427.486326] usbhid 3-1.4:1.0: post reset hid_start_in -> 0
[  427.638818] usbhid 3-1.6:1.0: hid_start_in: urbin           (null)
[  427.638822] usbhid 3-1.6:1.0: start failed: -22
[  427.638824] usbhid 3-1.6:1.0: post reset hid_start_in -> -22
[  428.500552] usbhid 1-1:1.0: usbhid_start urb ffff88008704f0c0
[  428.665256] usbhid 3-1.6:1.0: hid_cease_io urb           (null)
[  428.828684] usbhid 3-1.6:1.0: hid_start_in: urbin           (null)
[  428.828688] usbhid 3-1.6:1.0: start failed: -22
[  428.828690] usbhid 3-1.6:1.0: post reset hid_start_in -> -22
[  428.828696] usbhid 3-1.6:1.0: hid_cease_io urb           (null)
[  428.981809] usbhid 3-1.6:1.0: hid_start_in: urbin           (null)
[  428.981814] usbhid 3-1.6:1.0: start failed: -22
[  428.981816] usbhid 3-1.6:1.0: post reset hid_start_in -> -22
[  428.981823] usbhid 3-1.6:1.0: hid_cease_io urb           (null)
[  429.134398] usbhid 3-1.6:1.0: hid_start_in: urbin           (null)

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