Re: testing: weird resume (black or frozen screen)
On 21/04/2019 10.42, Andrea Borgia wrote:
> Il 20/04/19 18:16, hdv@gmail ha scritto:
>
>
>> I see the same type of problems.
>
> Hmm, I'm not so sure about it: in my case the sytem works except (parts of) X
> and it is most likely not kernel-related. In your case it doesn't even resume
> properly, it seems.
>
> You might want to have a look at bugzilla.kernel.org: I had issues with my
> laptop in the recent past and saw that Thinkpads had issues like yours.
>
> https://bugzilla.kernel.org/buglist.cgi?quicksearch=thinkpad
Hi Andrea,
You were right. It was indeed the kernel. If I disable intel_iommu at boot, then
resume works fine again. I haven't noticed any negative impact from doing this
yet. Now I need to find out what changed recently with IOMMU. I went back a few
iterations (to 4.19.0-2) and the problem showed up in those versions as well. It
seem I hadn't rebooted in some while...
I hope you can get rid of your problem soon as well!
Grx HdV
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