svn commit: r328436 - head/sys/compat/linuxkpi/common/src

[Hans Petter Selasky]

On 02/01/18 12:04, Hans Petter Selasky wrote:
> On 02/01/18 11:25, Jan Beich wrote:
>> Hans Petter Selasky <hselasky at FreeBSD.org> writes:
>>
>>> Author: hselasky
>>> Date: Fri Jan 26 10:49:02 2018
>>> New Revision: 328436
>>> URL: https://svnweb.freebsd.org/changeset/base/328436
>>>
>>> Log:
>>>    Decouple Linux files from the belonging character device right 
>>> after open
>>>    in the LinuxKPI. This is done by calling finit() just before 
>>> returning a magic
>>>    value of ENXIO in the "linux_dev_fdopen" function.
>>
>> This breaks DRI3 (uses DMABUF) on drm-next-kmod (Linux 4.9 atm) e.g.,
>>
>> $ LIBGL_DRI3_ENABLE=1 LIBGL_DEBUG=verbose MESA_DEBUG=context glxgears
>> libGL: screen 0 does not appear to be DRI3 capable
>> libGL error: Connection closed during DRI3 initialization failure
>> XIO:  fatal IO error 35 (Resource temporarily unavailable) on X server 
>> ":0"
>>        after 22 requests (22 known processed) with 0 events remaining.
>>
> 
> Hi,
> 
> I'll have a look. It might be an issue in libdrm, because it uses some 
> out-of date methods to enumerate the device nodes, like the major and 
> minor numbers.
> 
> Did you recompile drm-next-kmod after recompiling the LinuxKPI?
> 
> --HPS
> 

Hi,

I'm still running:

freebsd-base-graphics
git at github.com:FreeBSDDesktop/freebsd-base-graphics.git

With r328436 applied on top and glxgears work:

> env LIBGL_DRI3_ENABLE=1 LIBGL_DEBUG=verbose MESA_DEBUG=context glxgears
> libGL: OpenDriver: trying /usr/local/lib/dri/i965_dri.so
> libGL: Can't open configuration file /home/hans/.drirc: No such file or directory.
> libGL: Using DRI2 for screen 0
> libGL: Can't open configuration file /home/hans/.drirc: No such file or directory.
> Running synchronized to the vertical refresh.  The framerate should be
> approximately the same as the monitor refresh rate.
> 302 frames in 5.0 seconds = 60.252 FPS

Can you do a ktrace and see where it stops?

--HPS