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re: kern/49290: DRMKMS fails to work with R300
The following reply was made to PR kern/49290; it has been noted by GNATS.
From: matthew green <mrg%eterna.com.au@localhost>
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
Subject: re: kern/49290: DRMKMS fails to work with R300
Date: Thu, 08 Jan 2015 17:43:29 +1100
this problem has been diagnosed:
- i386 GENERIC has attachments for wsdisplay at both vga(4)
and pcdisplay(4), and this attaches before drm
- this means that drm attaches wsdisplay1, and it is unable
to deal with console input or output.
the workaround is to add these lines to your config:
no vga0 at isa?
which avoids wsdisplay0 not being owned by drm.
the real solution is still unknown. perhaps, simply removing the
old setup by default? i don't know what it is necessary for on
older pc systems. perhaps some changes to wsdisplay for it to
recognise some devices are the same, or to force vga@isa or
pcdisplay to not attach when drm will attach at the PCI location.
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