kernel-packages team mailing list archive

[Colin Ian King <1529381@xxxxxxxxxxxxxxxxxx>]

For reference:
http://www.uefi.org/sites/default/files/resources/ACPI_6.0.pdf, section
5.2.9 Fixed ACPI Description Table (FADT), see the 32 bit PM registers
(PM1a_EVT_BLK etc) and their 64 bit counterparts (X_PM1a_EVT_BLK etc).

You can check if these are sane by running "sudo fwts acpidump - >
dump.log"

and then checking if the 32 bit and 64 bit variants of the PM registers
are different.  The kernel will default to using the 64 bit variants
with the faulty patch.

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https://bugs.launchpad.net/bugs/1529381

Title:
  [HP Compaq 6715s] Updating kernel renders system unbootable

Status in linux package in Ubuntu:
  Triaged

Bug description:
  To reproduce (on this hardware)

  1) Install 14.04.3 LTS (Ubuntu or XUbuntu)
  2) Install updates
  3) Reboot

  The kernel used after update is 3.19.0-42. Booting with the kernel
  that came with the install image (3.19.0-25) works fine.

  This computer is a HP Compaq 6715s. I have looked at HPs support pages
  for BIOS updates for this model but none was available.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.19.0-42-generic 3.19.0-42.48~14.04.1
  ProcVersionSignature: Ubuntu 3.19.0-25.26~14.04.1-generic 3.19.8-ckt2
  Uname: Linux 3.19.0-25-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sat Dec 26 16:36:30 2015
  InstallationDate: Installed on 2015-12-26 (0 days ago)
  InstallationMedia: Xubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  SourcePackage: linux-lts-vivid
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=522810df-638a-412b-9aab-791e2e2bc545
  InstallationDate: Installed on 2015-12-26 (0 days ago)
  InstallationMedia: Xubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  MachineType: Hewlett-Packard HP Compaq 6715s (RU655ET#AK8)
  Package: linux (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-25-generic root=UUID=0dd333f9-6172-41eb-9472-a321d48c04eb ro quiet splash
  ProcVersionSignature: Ubuntu 3.19.0-25.26~14.04.1-generic 3.19.8-ckt2
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-25-generic N/A
   linux-backports-modules-3.19.0-25-generic  N/A
   linux-firmware                             1.127.19
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  trusty
  Uname: Linux 3.19.0-25-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  WifiSyslog: Dec 27 13:38:38 michael wpa_supplicant[815]: wlan1: CTRL-EVENT-SCAN-STARTED
  _MarkForUpload: True
  dmi.bios.date: 03/26/2007
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68YTT Ver. F.03
  dmi.board.name: 30C2
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 71.21
  dmi.chassis.asset.tag: CNU7201T8J
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68YTTVer.F.03:bd03/26/2007:svnHewlett-Packard:pnHPCompaq6715s(RU655ET#AK8):pvrF.03:rvnHewlett-Packard:rn30C2:rvrKBCVersion71.21:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq 6715s (RU655ET#AK8)
  dmi.product.version: F.03
  dmi.sys.vendor: Hewlett-Packard

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