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[Bug 1516779] Re: /proc/acpi/wakeup differences between 14.04.1 & 14.04.3

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: jpeg <jp.guarrera@xxxxxxxxx>
Date: Tue, 17 Nov 2015 11:52:36 -0000
Reply-to: Bug 1516779 <1516779@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1516779

Title:
  /proc/acpi/wakeup differences between 14.04.1 & 14.04.3

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Dear,

  On Q1900TM-itx mb with the same BIOS setting

  14.04.1 shows with at /proc/acpi/wakeup
  Device  S-state   Status   Sysfs node
  XHC1      S4    *enabled   pci:0000:00:14.0
  PXSX      S4    *enabled   pci:0000:01:00.0
  PXSX      S4    *enabled   pci:0000:02:00.0
  PXSX      S4    *disabled
  PWRB      S0    *enabled

  14.04.3 shows cat /proc/acpi/wakeup
  Device  S-state   Status   Sysfs node
  UAR1      S4    *disabled
  XHC1      S4    *enabled   pci:0000:00:14.0
  EHC1      S4    *disabled
  PXSX      S4    *disabled  pci:0000:01:00.0
  PXSX      S4    *enabled   pci:0000:02:00.0
  PXSX      S4    *disabled
  PWRB      S0    *enabled   platform:PNP0C0C:00
  BRCM      S0    *disabled 
  BRC3      S0    *disabled

  ==> IN consequence,  WOL is perfectly working on 14.04.1 and absolutlty nothing in 14.04.3
  Trying to disable -> enable by ECHO PXSX > proc/acpi/wakeup . but the system dosn't allow !!!

  Could you support me ? 
  Thanks in advance for your precious help

  JP

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