svn commit: r328436 - head/sys/compat/linuxkpi/common/src
Hans Petter Selasky
hps at selasky.org
Thu Feb 1 11:16:02 UTC 2018
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 out-of date methods to enumerate the device nodes, like the major and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
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