Re: dead USB devices after resume [mmotm 2009-02-10-16-35]

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On Wednesday 11 February 2009, Jiri Slaby wrote:
> On 02/11/2009 10:54 AM, Jiri Slaby wrote:
> > On 02/11/2009 10:44 AM, Rafael J. Wysocki wrote:
> >> Please test current mainline, it may be a regression in there.
> > 
> > OK, will do.
> 
> I was not able to reproduce it with 1db8508. So it highly likely hasn't leaked
> to the mainline.

Great, thanks for verifying!

> >> How exactly are the failing devices connected to the box?
> > 
> > There is a hub in the kbd. The mouse and kbd is behind it, I suppose:
> > 
> > /:  Bus 08.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> > /:  Bus 07.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> > /:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> >     |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/3p, 12M
> >         |__ Port 1: Dev 3, If 0, Class=HID, Driver=usbhid, 12M
> >         |__ Port 1: Dev 3, If 1, Class=HID, Driver=usbhid, 12M
> >         |__ Port 2: Dev 4, If 0, Class=HID, Driver=usbhid, 1.5M
> > /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> > /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> > /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
> > /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M
> > /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/6p, 480M
> > 
> > There is also a wheel at 6.3 if 1...
> > 
> > Bus 006 Device 004: ID 045e:00f0 Microsoft Corp.
> > Bus 006 Device 003: ID 0458:004c KYE Systems Corp. (Mouse Systems) Slimstar Pro
> > Keyboard
> > Bus 006 Device 002: ID 04b4:2050 Cypress Semiconductor Corp.
> > Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> > 
> > I may try to plug the mouse directly to the root hub if it might help anyhow.
> 
> No change. Wherever it is connected it fails to emit anything.
> 
> BTW It is sufficient to unplug the mouse from the kbd (i.e. the hub) and replug
> it back.

Well, I thought it might be an ordering issue, but apparently it isn't.

Thanks,
Rafael
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