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Old 12-06-2012, 06:15 AM   #1
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Registered: Mar 2009
Location: Iran (Tehran)
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Question How to add USB mouse entry in /proc/acpi/wakeup?

Hello everybody,

I would like to ask a question about /proc/acpi/wakeup file.

OS: Fedora Core 17 X86_64 (both KDE and Gnome installed on the system).

My problem is, that whenever I suspend my laptop under Linux I cannot resume by pressing the USB mouse button connected to the LAPTOP (an external USB mouse connected to the LAPTOP). Whereas the same is possible within Windows 7 (the computer is dual boot: Fedora Core 17 / Windows 7)

After a bit googling I found the following link:

where apparently someone else had had the same problem and according to what I read in that page it had been suggested to edit /proc/acpi/wakeup in order to add the missing waking up device.

Here is the content of that file on my computer:

$ cat  /proc/acpi/wakeup 
Device	S-state	  Status   Sysfs node
P0P1	  S3	*disabled  
LID	  S3	*enabled   
GLAN	  S4	*disabled  
EHC1	  S3	*enabled   pci:0000:00:1d.0
EHC2	  S3	*enabled   pci:0000:00:1a.0
HDEF	  S0	*disabled  pci:0000:00:1b.0
RP01	  S4	*disabled  pci:0000:00:1c.0
PXSX	  S4	*enabled   pci:0000:07:00.0
RP02	  S3	*disabled  pci:0000:00:1c.1
PXSX	  S4	*disabled  pci:0000:0d:00.0
RP03	  S3	*disabled  pci:0000:00:1c.2
PXSX	  S4	*disabled  pci:0000:13:00.0
RP04	  S3	*disabled  pci:0000:00:1c.3
PXSX	  S4	*enabled   pci:0000:19:00.0
RP05	  S3	*disabled  
PXSX	  S4	*disabled  
RP06	  S3	*disabled  
PXSX	  S4	*disabled  
RP07	  S3	*disabled  
PXSX	  S4	*disabled  
RP08	  S3	*disabled  
PXSX	  S4	*disabled  
PEG0	  S4	*disabled  pci:0000:00:01.0
PEGP	  S4	*disabled  pci:0000:01:00.0
PEGA	  S4	*disabled  
PEG1	  S4	*disabled  
PEG2	  S4	*disabled  
PEG3	  S4	*disabled  
PWRB	  S4	*enabled   
So as I understand (according to that page) I need to add something for UHC1 to that file (apparently this is how USB devices are called, please correct me if I'm wrong).

The problem, is that I don't know the exact device name of my USB mouse (UHC1, UHC2, ... ?) and the values that I'm supposed to provide for S-state, Sysfs and node.

Could somebody kindly make some clarification?

Thanks in advance,
Old 12-06-2012, 06:40 AM   #2
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Registered: Mar 2009
Location: Iran (Tehran)
Posts: 12

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The strange thing is that by using my KVM switch (that is, a same set of keyboard and USB mouse) conneted to my PC and laptop everything works pretty well under both windows and Linux !


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