Removal of legacy X.Org (aka non-WITH_NEW_XORG)

[Michael Jung]

I hope this may be an additional data point.

I also had grave issues with NEW_XORG.  When I did experience a problem 99% of the 
time the computer locked up.  My uptime was never more than a 24 hour period. 
No crash dumps, black screen, no keyboard light activity in toggling caps lock.  
However, on occasion Xorg would loop as reported in 
http://lists.freebsd.org/pipermail/freebsd-current/2014-June/050690.html

I finally noticed that Xorg was complaining about  xfdevhw not being 
available and so I installed the port.  Since then zero lockups.  I left 
the machine run with no additional update or changes for over one week without 
issue, and have since that time been updating Xorg  and drivers without issue short
of having to always re-install xf86-input-keyboard (and in past both xf86-input-keyboard
and xf86-input-mouse).

My current Xorg.log reports

[   486.836] (II) Loading sub module "fbdevhw"
[   486.836] (II) LoadModule: "fbdevhw"
[   486.836] (II) Loading /usr/local/lib/xorg/modules/libfbdevhw.so
[   486.836] (EE) LoadModule: Module fbdevhw does not have a fbdevhwModuleData data object.
[   486.836] (II) UnloadModule: "fbdevhw"
[   486.836] (II) Unloading fbdevhw
[   486.836] (EE) Failed to load module "fbdevhw" (invalid module, 0)
[   486.836] (WW) Falling back to old probe method for fbdev

so why this apparently made a difference I do not understand.

I am by no means an expert and this may not be relevant at all but this seems to be the right
audience. This was my course of events and X11 still is working great for me.  

I can supply any additional information if requested, I am on X.Org X Server 1.12.4 / 10.1-BETA1

--mikej


-----Original Message-----
From: owner-freebsd-stable at freebsd.org [mailto:owner-freebsd-stable at freebsd.org] On Behalf Of Marat N.Afanasyev
Sent: Friday, October 03, 2014 11:45 AM
To: Jean-Sébastien Pédron; Claude Buisson; Baptiste Daroussin; ports at freebsd.org; stable at freebsd.org; freebsd-x11 at freebsd.org
Subject: Re: Removal of legacy X.Org (aka non-WITH_NEW_XORG)

Jean-Sébastien Pédron wrote:
> On 03.10.2014 11:01, Claude Buisson wrote:
>> NVIDIA does not exist in your world ?
>
> Hi!
>
> You're right, we forgot to mention NVIDIA.
>
> The NVIDIA port installs its own bits from the kernel module to the
> specific libGL.so. The notion of "UMS/KMS" doesn't exist and the port is
> made to work with all versions of FreeBSD and X.Org server. Therefore,
> NVIDIA users are not impacted by this change at all.
>

I think that old X stack should not be dropped until at least, GPU 
locking problem is resolved, what we can say about Xorg stability under 
FreeBSD if one should reset one's desktop every week or so with lots of 
lost files? I cannot really use KMS drivers at all because of this 
problem. I've lost enough data while trying to test radeon kms, and I 
cannot switch from old xorg to new one. Is it possible to build new xorg 
without kms and with old radeon driver?

-- 
SY, Marat



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