[SOLVED] Mesa 18.1.9 - i915 - dri screen failed

[KarlP]

I try to figure out, what is wrong with my graphics. As far as I can remember I didn't notice these error messages before.

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 $ grep -e EE -e WW /var/log/Xorg.0.log
...
[    35.144] (EE) AIGLX error: Calling driver entry point failed

So I have checked out:

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 $ lspci -k | grep -A2 -i vga
00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated Graphics Controller (rev 02)
	Subsystem: Hewlett-Packard Company D530 sff(dc578av)
	Kernel driver in use: i915

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 $ grep -i i915 /boot/config-4.14.52-gentoo
CONFIG_EXTRA_FIRMWARE="i915/skl_dmc_ver1_26.bin"
CONFIG_DRM_I915=y
CONFIG_DRM_I915_ALPHA_SUPPORT=y
CONFIG_DRM_I915_CAPTURE_ERROR=y
CONFIG_DRM_I915_COMPRESS_ERROR=y
CONFIG_DRM_I915_USERPTR=y
CONFIG_SND_HDA_I915=y

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 $ LIBGL_DEBUG=verbose glxinfo | grep -i "opengl version"
libGL: OpenDriver: trying /usr/lib/dri/tls/i915_dri.so
libGL: OpenDriver: trying /usr/lib/dri/i915_dri.so
libGL: Can't open configuration file /home/karl/.drirc: No such file or directory.
libGL: Can't open configuration file /home/karl/.drirc: No such file or directory.
libGL error: failed to create dri screen
libGL error: failed to load driver: i915
libGL: OpenDriver: trying /usr/lib/dri/tls/swrast_dri.so
libGL: OpenDriver: trying /usr/lib/dri/swrast_dri.so
libGL: Can't open configuration file /home/karl/.drirc: No such file or directory.
libGL: Can't open configuration file /home/karl/.drirc: No such file or directory.
OpenGL version string: 3.1 Mesa 18.1.9

My first guess was, that it has something to do with the update from mesa-18.1.6 to mesa-18.1.9 (2018-10-06).

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 $ grep -iE 'completed.*mesa' /var/log/emerge.log
1535630197:  ::: completed emerge (44 of 48) media-libs/mesa-18.1.6 to /
1538793906:  ::: completed emerge (43 of 56) media-libs/mesa-18.1.9 to /

Can somebody help?

[KarlP]

An update to Mesa 18.2.3 solved the problem. Now:

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 $ grep -i aiglx /var/log/Xorg.0.log
[    31.041] (II) AIGLX: Loaded and initialized i915