> My Acer Aspire AS5536 laptop is now able to suspend/resume, after
having the BIOS update.
I saw it working with my own eyes but now it is NOT working any more...
long story short, after lots of trials and errors, I've now pin pointed
when it will not work and when it will --
I found that the suspend/resume will not work, with exactly the
previously reported symptom, when the HDMI cable is plugged in to my
laptop, that's enough for it not working. Whether I've logged into my
Xfce desktop, whether my Ubuntu 14.10 Utopic has recognized such HDMI
event, etc, etc, they won't matter. As long as the HDMI cable is plugged
in to my laptop, even it is just a freshly booted system without me
being logged into my X, the suspend/resume will not work. I wll get the
repeating errors of `sda1` "soft reset failure", and HD light is on
forever. This is under the latest kernal.
However, if my Ubuntu 14.10 Utopic is booted without the HDMI cable,
the suspend/resume will work just fine.
Hope this has dramatically marrowed down the scope of the problem.
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
V1.11
10/22/2009
$ uname -a
Linux salmon 3.16.0-29-generic #39-Ubuntu SMP Mon Dec 15 22:27:29 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.10
Release: 14.10
Codename: utopic
** Changed in: linux (Ubuntu)
Status: Invalid => New
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https://bugs.launchpad.net/bugs/1395343
Title:
Ubuntu 14.10 Utopic suspend/resume not working for my Laptop
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