At boot, the agp module appears to load OK:

# dmesg | grep agp
Preloaded elf module "agp.ko" at 0xc03d336c.
agp0: <VIA Generic host to PCI bridge> mem 0xe0000000-0xe7ffffff at device
0.0 on pci0
agp0: allocating GATT for aperture of size 256M

However, when starting X, the kernel spits out this message:

/kernel: error: [drm:radeon_unlock] *ERROR* Process 265 using kernel
context 0

There is no such process when I look, of course...  the relevant section
of the XFree86 log is:

(II) RADEON(0): [drm] created "radeon" driver at busid "PCI:1:0:0"
(II) RADEON(0): [drm] added 8192 byte SAREA at 0xc22ce000
(II) RADEON(0): [drm] mapped SAREA 0xc22ce000 to 0x28279000
(II) RADEON(0): [drm] framebuffer handle = 0xd8000000
(II) RADEON(0): [drm] added 1 reserved context for kernel
(WW) RADEON(0): [agp] AGP not available
(II) RADEON(0): [drm] removed 1 reserved context for kernel
(II) RADEON(0): [drm] unmapping 8192 bytes of SAREA 0xc22ce000 at
(II) RADEON(0): Memory manager initialized to (0,0) (1024,8191)

I'm assuming there's some relationship between (a) the kernel warning
message, (b) the 'AGP not available' message, and (c) the fact that DRI
doesn't work anymore (it did before I upgraded from 4.6.2 to 4.9).  Can
anyone think of where to look to figure this out?

I've put the XFree86.0.log file at
http://www.aracnet.com/~dcf/XFree86.0.log, and the X config file at
http://www.aracnet.com/~dcf/XF86Config in case they prove helpful.


David Fleck

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