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[Bug 1197871] Re: [Gigabyte GA-MA78GPM-DS2H] ACPI wakeup fails if HPET enabled in BIOS


Hi, Christopher

I've just tested kernel 3.13-rc3, bug still present.

 I repeated the same test in other computers I own (intel based), with
mixed results: one with a Gigabyte GA-G31MF-S2 motherboard (intel G31
chipset, socket 775) is affected by this bug. Another one with an ASUS
socket 775 motherboard goes fine.

Thanks in advance

** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-3.13-rc3

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

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  [Gigabyte GA-MA78GPM-DS2H] ACPI wakeup fails if HPET enabled in BIOS

Status in “linux” package in Ubuntu:

Bug description:
  if I type this (as root):
  echo `date '+%s' -d '+ 5 minutes'` > /sys/class/rtc/rtc0/wakealarm

  rtcwake -d rtc0 -u -m no -t `date '+%s' -d '+ 5 minutes'`

  and then I shutdown the computer, it used to wake up after 5 minutes
  until I upgraded from linux-image-3.8.0-23-generic to a newer package.
  I've always had HPET enabled in BIOS.

  Maybe it's related to this patch found in the changelog
  zdiff /usr/share/doc/linux-image-3.8.0-23-generic/changelog.Debian.gz /usr/share/doc/linux-image-3.8.0-24-generic/changelog.Debian.gz | grep hpet
  >   * drivers/rtc/rtc-cmos.c: don't disable hpet emulation on suspend

  WORKAROUND: If I disable HPET in BIOS, my computer successfully wakes
  up in kernels > 3.8.0-23

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-26-generic 3.8.0-26.38
  ProcVersionSignature: Ubuntu 3.8.0-26.38-generic
  Uname: Linux 3.8.0-26-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8.2
  Architecture: amd64
   /dev/snd/controlC0:  usuario    2971 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Thu Jul  4 17:32:03 2013
   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. GA-MA78GPM-DS2H
  MarkForUpload: True
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-26-generic root=UUID=22b58a09-ddc9-4068-8d9c-d225ad781780 ro quiet splash
   linux-restricted-modules-3.8.0-26-generic N/A
   linux-backports-modules-3.8.0-26-generic  N/A
   linux-firmware                            1.106

  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-05-02 (63 days ago)

  dmi.bios.date: 12/25/2010
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F6h
  dmi.board.name: GA-MA78GPM-DS2H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF6h:bd12/25/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA78GPM-DS2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA78GPM-DS2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-MA78GPM-DS2H
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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