*** This bug is a duplicate of bug 524407 ***
https://bugs.launchpad.net/bugs/524407
For the sake of completeness, the point is, that we're talking about a
hdd with no mounted partitions. As far as I understand it, any data,
which might be in memory needs to be flushed before unmounting (after
all you don't loose data when disconnecting an unmounted usb flash
drive).
Anyhow, this is definitively a duplicate of
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/524407, which
contains also a reference to an upstream report. So marking this one
accordingly.
** This bug has been marked a duplicate of bug 524407
hibernating wakes up sleeping harddrives
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https://bugs.launchpad.net/bugs/980307
Title:
Hibernate causes an unmounted hard drive in sleep mode to spin up
Status in linux package in Ubuntu:
Invalid
Bug description:
I've got a hdd for backups, which most of the time is unmounted and sleeping
(spun down). When going into hibernation it spins up shortly before the
computer powers off. This is somehow annoying because it's noisy, elongates the
power off process and is completely senseless.
Syslog shows: "kernel: [ ...] Synchronizing SCSI cache" for all my hdd when
going into hibernation. Thats the only hint I've got so far whats causing the
wakeup.
This happens in oneiric and precise (pm-utils 1.4.1-8ubuntu1 and 1.4.1-9).
Btw it does not happen when suspending.
---
ApportVersion: 2.16.2-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kiran 1524 F.... pulseaudio
CurrentDesktop: XFCE
DistroRelease: Ubuntu 15.04
HibernationDevice: RESUME=UUID=ebcf26a9-f63a-4b55-ad87-31f7b1f3feb6
InstallationDate: Installed on 2015-03-14 (0 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150313)
MachineType: LENOVO 2767WSD
Package: linux (not installed)
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-9-generic
root=UUID=f0d3de75-e584-48c4-a3af-7b73dd5eb495 ro quiet splash
ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
RelatedPackageVersions:
linux-restricted-modules-3.19.0-9-generic N/A
linux-backports-modules-3.19.0-9-generic N/A
linux-firmware 1.143
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: vivid
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
Uname: Linux 3.19.0-9-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 10/17/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET94WW (3.24 )
dmi.board.name: 2767WSD
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn2767WSD:pvrThinkPadT400:rvnLENOVO:rn2767WSD:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2767WSD
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO
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