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30 Posts

02-14-2021

Ukraine

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Re:T14 AMD battery drain in standby (Linux)

2021-02-19, 16:27 PM

i’m thinking now, what if this is caused by faulty hardware itself not the BIOS firmware. and lenovo doesn't want to communicate that properly. 

 

i can’t say for sure that i hadn't had this problem right after i bought the laptop due to keeping laptop plugged in at all times and playing around with upowerd and tlp and overall nixos setup shenanigans. 

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20 Posts

12-04-2020

Portugal

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Re:T14 AMD battery drain in standby (Linux)

2021-02-19, 16:38 PM
I also use TLP.. and this has nothing to do with it! If the machine is powered off and battery is still draining... there is some harware that is still not shutdown and "eating" power.... We are talking about professional machines, not consumer line, and Lenovo knows how this affects professionals all over the world. This should be fixed asap
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9 Posts

10-10-2020

Belgium

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Re:T14 AMD battery drain in standby (Linux)

2021-02-19, 17:49 PM
Completely agree. It has now been months since I began using mine and nothing has been done yet, which is really a pity, because the machine is really good except for that issue. But having that kind of battery drain even when powered off is unacceptable.
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21 Posts

01-23-2021

Argentina

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Re:T14 AMD battery drain in standby (Linux)

2021-02-21, 5:04 AM

This issue affects power off state, so it won't get fixed by a kernel patch @Mark_Lenovo

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4 Posts

02-23-2021

Ukraine

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Re:T14 AMD battery drain in standby (Linux)

2021-02-23, 6:13 AM

On the latest firmware my X13 AMD has discharged from 80% to 0 in poweroff state over 3 nights. Such result I'd consider terrible even for suspend (my Intel-based T14s loses 20% over the same period of time in suspend).

 

I believe, Lenovo has to start a recall campaign. The machine is not usable as laptop at all.

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29 Posts

09-08-2020

Germany

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Re:T14 AMD battery drain in standby (Linux)

2021-02-23, 8:50 AM

What is more, this battery draining behavior has also been reported by Windows users in this thread. So this
is clearly not a Linux issue.

The inability of Lenovo to fix this makes me wonder whether this indeed may be a hardware issue that can't be
amended via a firmware update.

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20 Posts

12-04-2020

Portugal

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Re:T14 AMD battery drain in standby (Linux)

2021-02-23, 11:34 AM

The problem is that we are a small bunch of people complaining about it! If this escalates to several company complaints... the outcome... is or will be different! 

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407 Posts

07-22-2019

Canada

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Re:T14 AMD battery drain in standby (Linux)

2021-02-23, 14:01 PM

@aproximacion -  I agree that it isn't obvious it's fixed by a kernel patch, but that's what the firmware team and the engineers at Canonical who are working on this jointly believe is the root cause. The image is just going back into e-cert to confirm it works - it got delayed a bit by Chinese New Year, but they believe it solves the issue.

 

For other comments - we're working on it, and it's not trivial to solve. I apologise that it's taking a long time and hopefully will have good news soon - it isn't being ignored.

 

Mark

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31 Posts

12-26-2020

Austria

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Re:T14 AMD battery drain in standby (Linux)

2021-02-23, 23:07 PM

@ MarkRHPearson wrote:

@aproximacion -  I agree that it isn' obvious it' fixed by a kernel patch, but that' what the firmware team and the engineers at Canonical who are working on this jointly believe is the root cause.

 

Will Canonical/Lenovo backport this change into the current LTS kernel?

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407 Posts

07-22-2019

Canada

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Re:T14 AMD battery drain in standby (Linux)

2021-02-24, 0:51 AM

Absolutely - that would be my expectation, yes.

 

I'll also be working with Fedora and RHEL to see if we can bring it in earlier there. I'll likely see if I can get it pulled into Debian testing as well - but that can take a bit longer.

 

I'll update when we have confirmed test results

 

Mark

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