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ThinkTank480
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Registered: ‎04-26-2018
Location: CA
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Message 11 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

For those who would like a quick and easy way to determine if this bug is causing their problems: reboot the laptop (do not shut it down, just restart). If the heavy CPU usage and high temperatures disappear, and do not come back until the next time you either suspend, hibernate, or shut down, then this bug is likely the cause.

 

If that does not resolve the problem, there is still a chance that the operating system is triggering a "wake" event (and hence this bug) when it is being asked to reboot. However it is more likely that your issue has a different cause.

wuga
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Registered: ‎04-23-2018
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Message 12 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode


@ThinkTank480 wrote:

For those who would like a quick and easy way to determine if this bug is causing their problems: reboot the laptop (do not shut it down, just restart). If the heavy CPU usage and high temperatures disappear, and do not come back until the next time you either suspend, hibernate, or shut down, then this bug is likely the cause.


How to apply your patch? Can give some guidance?

ThinkTank480
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Message 13 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

It is Lenovo's responsibility to fix this bug, test it, and release the update. We should not be loading custom ACPI tables to work around it.

wuga
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Message 14 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode


@ThinkTank480 wrote:
It is Lenovo's responsibility to fix this bug and release the update. We should not be loading custom ACPI tables to work around it.

While waiting for that can you share your method?

ThinkTank480
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Message 15 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

You are free to look up such information for your operating system, but it would be at your own risk.

 

A simple reboot is a much safer way to diagnose whether this bug is causing the problem (and alleviate it).

ThinkTank480
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Message 16 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

Thanks everyone for participating in this thread!

 

 

wuga
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Message 17 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode


@ThinkTank480 wrote:

You are free to look up such information for your operating system, but it would be at your own risk.

 

A simple reboot is a much safer way to diagnose whether this bug is causing the problem (and alleviate it).

 

I understand that you want to fix it as fast as possible, but the best way to do that is by getting Lenovo's attention.


It’s definitely thunderbolt issue, i have no issue with usb c dock or on direct power.

ThinkTank480
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Message 18 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

 


@Andy_Lenovo wrote:

Thanks for posting this, I've passed the information along to engineering.


 

Thank you Andy!

changsta2004
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Registered: ‎04-06-2018
Location: US
Views: 2,073
Message 19 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

I'm worried about my longevity too. Even though it's already been a month since I had my product, I decided to still use my old laptop as my primary until these heating/cpu problems/fixes are addressed.

ThinkTank480
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Message 20 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode


@Andy_Lenovo wrote:

Thanks for posting this, I've passed the information along to engineering.


 

Since your reply was in response to my old thread (and the old and new threads have now been merged), I would just like to make sure that my patches from the new thread (patch1 patch2 patch3) were passed along to engineering as well. Thanks again!

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