Black screen...X does not starts until i move the mouse

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Re: Black screen...X does not starts until i move the mouse

Postby Dai_trying » 2018-11-03 21:43

Head_on_a_Stick wrote:The cause of the problem in the OP is kernel-related, the haveged package is a work-around for an upstream issue, IIRC.

That the OP was running a FrankenDebian is a separate problem but also connected because the OP would not have experienced this problem with pure Debian stable.


Are you saying this problem will not arise if using the backported kernel? or would that be considered not "pure debian stable"?
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Re: Black screen...X does not starts until i move the mouse

Postby Head_on_a_Stick » 2018-11-03 21:45

Dai_trying wrote:Are you saying this problem will not arise if using the backported kernel?

I don't know when the problem started but I think it was a while ago so I would expect that the backported kernel would also be affected, but I'm not sure.

Dai_trying wrote:would that be considered not "pure debian stable"?

Well, backports are always a risk, I would never advise using the backported kernel unless there was a specific reason to do so, such as hardware support.
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Re: Black screen...X does not starts until i move the mouse

Postby bw123 » 2018-11-03 22:03

The OP was using testing (+dmo) before the problem started, see the first post. I added a link that showed this, with sources.list. The OP said problem started after an apt command. The 3rd party repo use was not mentioned in the problem, nor the testing repo, and arguing about it is pretty silly. The OP is doing some weird things, now people are spending time arguing instead of solving problems.

FWIW I have not seen the entropy problem on stretch, even when using the backported kernels. Stretch does still have a lot of issues that linger from way on back, and so I hope the upcoming freeze/release cycle for buster does not distract people from solving these very old problems on stable. Buster should be the absolute best debian ever, close to a bullseye. No need to rush things. Forwarding old bugs on stretch to buster would be a grave mistake IMO, and would hurt debian's future development very seriously.

Sometimes I feel that nobody in this forum actually uses debian stable. The way you people answer threads makes me wonder...
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Re: Black screen...X does not starts until i move the mouse

Postby llivv » 2018-11-21 15:48

testing - 4.18-0.2-amd64
I got a new entorpy message during boot
Code: Select all
 21.911773] urandom_read: 1 callbacks suppressed

and found a possible explaination that makes sence to me.
https://lwn.net/Articles/605828/

found by way of
https://github.com/systemd/systemd/issues/4167

from
https://bugzilla.redhat.com/show_bug.cgi?id=1493337

and I've heard from a debian kernel dev - Kees on planet that random will have a new kernel option in the 4.19 relase.
Code: Select all
+   random.trust_cpu={on,off}

https://lkml.org/lkml/2018/8/27/759

looks like there's lots of stuff in the pipe
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