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lgraf
What's DOS?
Posts: 2
Registered: ‎05-04-2018
Location: DE
Views: 2,534
Message 21 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

I expirence the same issue. A solution would be great!

hillsprig
What's DOS?
Posts: 1
Registered: ‎05-04-2018
Location: SE
Views: 2,495
Message 22 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

I am also affected. Hoping for an offical fix / merge of the patches!

ThinkTank480
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Posts: 31
Registered: ‎04-26-2018
Location: CA
Views: 2,369
Message 23 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

I would still like to confirm that the patches from the new thread (patch1 patch2 patch3) were also passed along to engineering. The old thread (prior to merging with this new thread) is the one that received a response from Lenovo, however the old thread contained no useful information about the solution.

ThinkTank480
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Posts: 31
Registered: ‎04-26-2018
Location: CA
Views: 2,358
Message 24 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

The thread title should also be updated, because currently it conceals the importance of the issue.

 

At present, it should be: "ACPI bug - affects X1C6, X1Y3, X280, T480s, T480, T580, P52s, possibly more."

wuga
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Posts: 69
Registered: ‎04-23-2018
Location: SG
Views: 2,170
Message 25 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

Any update or at least some prelim update?

jb42
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Posts: 35
Registered: ‎12-24-2012
Location: IE
Views: 2,139
Message 26 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

Where/how do you see the high CPU usage? Which process? When idle, my T480 is only about 4% CPU and around 50°C, but when I work on Windows, it feels sluggish and the CPU temp goes up to 98°C (the latter most likely is another issue).

ThinkTank480
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Posts: 31
Registered: ‎04-26-2018
Location: CA
Views: 1,867
Message 27 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

I would also like to request a status update.

 

The T480s UEFI changelog shows a gap of 11 days between the releases of v1.10 and v1.11. It has now been the same length of time since the patches in this thread were posted, and they would take significantly less effort to apply and test than the changes made in v1.11.

wuga
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Posts: 69
Registered: ‎04-23-2018
Location: SG
Views: 1,850
Message 28 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

Yes, this is ridiculous, not even a reply or update!

MrA1
What's DOS?
Posts: 1
Registered: ‎05-16-2018
Location: US
Views: 1,702
Message 29 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode

I also have this issue, it appears that disabling TB3 has resolved it.  There goes my thunderbolt 3. 

 

I opened a ticket with lenovo.

 

I'll reference this thread.

ThinkTank480
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Posts: 31
Registered: ‎04-26-2018
Location: CA
Views: 1,559
Message 30 of 57

Re: FYI - Linux May Not Support Thunderbolt Native Mode


@MrA1 wrote:

I also have this issue, it appears that disabling TB3 has resolved it.  There goes my thunderbolt 3. 

 

I opened a ticket with lenovo.

 

I'll reference this thread.


Thanks, every attempt to draw Lenovo's attention is one step closer to fixing the issue.

 

If you need thunderbolt in the meantime, you can restart the computer after each cold-boot (power-on) or wake event (suspend/hibernate). It's a nuisance, but at the moment, it's the only way to use thunderbolt without triggering the bug.

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