I think this is not a bug of Ubuntu or any OS. This is bug of HP BIOS,
they should disable and delete ACPI S3 Hard Disk Reset in OS Power
Management because if is enabled, it causing problem of wake from
sleep/suspend. I disable this option and sleep/suspend works good in all
my OSes. http://ipic.su/arBCs.jpg
** Changed in: linux (Ubuntu)
Status: Triaged => Invalid
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https://bugs.launchpad.net/bugs/1375995
Title:
[HP Compaq dc7800 Small Form Factor PC] suspend/resume failure
Status in linux package in Ubuntu:
Invalid
Bug description:
Suspend to RAM fails on HP Compaq dc7800p, the PC will not wake up
again. It only works if I suspend to disk before, then I can suspend
to RAM afterwards (as many time as needed) until the PC is rebooted
again.
ProblemType: KernelOops
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-18-generic 3.16.0-18.25
ProcVersionSignature: Ubuntu 3.16.0-18.25-generic 3.16.3
Uname: Linux 3.16.0-18-generic x86_64
Annotation: This occured during a previous suspend and prevented it from
resuming properly.
ApportVersion: 2.14.7-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: urs 1849 F.... lxpanel
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Tue Sep 30 20:44:46 2014
DuplicateSignature: suspend/resume:Hewlett-Packard HP Compaq dc7800p Small
Form Factor:786F1 v01.32
ExecutablePath: /usr/share/apport/apportcheckresume
Failure: suspend/resume
HibernationDevice: RESUME=UUID=c338e9df-bc69-4692-b108-88cfd64982a7
InstallationDate: Installed on 2014-09-28 (2 days ago)
InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140923)
InterpreterPath: /usr/bin/python3.4
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Hewlett-Packard HP Compaq dc7800p Small Form Factor
ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
ProcEnviron:
TERM=linux
PATH=(custom, no user)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-18-generic
root=UUID=6475de33-f0cf-4e4a-b155-bac5d4c61b27 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-18-generic N/A
linux-backports-modules-3.16.0-18-generic N/A
linux-firmware 1.134
RfKill:
SourcePackage: linux
Title: [Hewlett-Packard HP Compaq dc7800p Small Form Factor] suspend/resume
failure
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
dmi.bios.date: 07/21/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786F1 v01.32
dmi.board.asset.tag: CZC81885DS
dmi.board.name: 0AA8h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: CZC81885DS
dmi.chassis.type: 4
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr786F1v01.32:bd07/21/2011:svnHewlett-Packard:pnHPCompaqdc7800pSmallFormFactor:pvr:rvnHewlett-Packard:rn0AA8h:rvr:cvnHewlett-Packard:ct4:cvr:
dmi.product.name: HP Compaq dc7800p Small Form Factor
dmi.sys.vendor: Hewlett-Packard
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