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#1 2022-02-20 12:37:04

oxygen_wobble
Member
Registered: 2012-05-20
Posts: 92

Laptop getting hot in suspend mode (fan at high speed)

Hi,

here's a strange thing I observed ... sometimes when I put my laptop (Lenovo IdeaPad Flex 5) to sleep mode,
the laptop gets quite hot and the fan starts running at high speed.

The power light is blinking as expected, so I assume it really IS in sleep mode ? But something weird's happening.

When I wake it up and immediately run "sensors", it doesn't show anything exceptional, all temperatures are
within a reasonable range.

Does anybody have a similar experience, or a solution ?

Best,
N

Last edited by oxygen_wobble (2022-02-26 15:19:16)

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#2 2022-02-26 15:22:12

oxygen_wobble
Member
Registered: 2012-05-20
Posts: 92

Re: Laptop getting hot in suspend mode (fan at high speed)

No-one ever encountered this ? (I changed the title to a more generic one)

Anyway, it happens consistently. I tried the different suspend modes manually (systemctl suspend etc.), and
it seems that plain suspend (not hybrid or hibernate) is the problem. Not sure if the device never really goes to sleep mode, or what it
is, but I can't reliably just close the lid.

Any hints ?

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#3 2022-02-26 15:29:12

adamjbc
Member
Registered: 2022-02-21
Posts: 4

Re: Laptop getting hot in suspend mode (fan at high speed)

Symptoms seem similar to this thread:

https://bbs.archlinux.org/viewtopic.php?id=274292

Can you confirm laptop make/model, when this started, what packages were upgraded recently, and linux kernel versions?

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#4 2022-02-26 16:11:04

oxygen_wobble
Member
Registered: 2012-05-20
Posts: 92

Re: Laptop getting hot in suspend mode (fan at high speed)

My laptop is a Lenovo IdeaPad Flex 5i (14ITL05), which I have since January, and the problem seemed to happen sporadically since the beginning, but not always. Seems to be more common now, though.
I couldn't point to one certain update that caused it.

Kernel version:

5.16.11-arch1-1 #1 SMP PREEMPT 

Last edited by oxygen_wobble (2022-02-26 16:11:23)

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#5 2022-06-13 08:23:28

GoteGuru
Member
Registered: 2022-06-13
Posts: 1

Re: Laptop getting hot in suspend mode (fan at high speed)

same issue. probably not arch specific, same problem with stock linux Mint live CD. (5.4.0). No solution yet.

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