On 9/24/20 7:40 PM, Richard Shaw wrote:
On Thu, Sep 24, 2020 at 11:49 AM GianPiero Puccioni
<gianpiero.puccioni@xxxxxxxxxx <mailto:gianpiero.puccioni@xxxxxxxxxx>> wrote:
Hi,
a friend has a laptop Dell Inspiron 15 5000 Series 5593
and "suspend" when he closes the lid doesn't work anymore, as it doesn't get
back and he has to reboot it.
It did work a few months ago with kernel (he thinks) 5.10 or 11 but with newer
kernels it doesn't, we updated the system to F32 (it was F31) but nothing
changed. He uses KDE but weinstalled Gnome too and it was the same
The video card: "Intel Corporation Iris Plus Graphics G1 (Ice Lake) (rev 07)"
could be a change in driver?
Weird thing is he just used a Live version of Ubuntu and it seems to work, is
there a known difference between them?
Searching the net I found that there is a problem with the "type" of suspend
used (S3 or S2 or something) and to try to put the line "mem_sleep_default=deep"
in the kernel line, no change...
Any suggestions? I'd really hate see him switching to Ubuntu just for this.
If it's like my laptop, an HP ENVY X360, it has a MS specific (proprietary?)
sleep S0xi or something like that and doesn't advertise S3 sleep. Unless Ubuntu
is just doing some magic on your behalf, it may have the same problem.
If they are doing some magic on our behalf, I'd like to know what it is :)
It's weird that older kernel worked (by the way above I meant 5.7.10 not 5.10).
He even tried a Live of Fedora 32 and it worked! But I asked him to check what
kernel was running and it was 5.6.6, probably it was similar for the Ubuntu Live.
Was there some change in recent kernels that broke sleep? Or maybe some security
patch that caused that, another friend with a different Dell told me that on his
Laptop it works but a couple of times it came back without asking for the
Password. Not Good.
GiP
--
GianPiero Puccioni |Istituto dei Sistemi Complessi-CNR
gianpiero.puccioni@xxxxxxxxxx |Via Madonna del Piano, 10
T:+39 0555226682 |50019 Sesto F. (Firenze) ITALY
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