"AGP not available" 

Newsgroups: comp.os.linux.x
Date: Sat, 18 Jan 2003 10:26:29 -0600
> When I execute startx, I get the errors
>   (EE) RADEON(0): [agp] AGP not available
>   (EE) RADEON(0): [drm] failed to remove DRM signal handler
> X starts, but I get no acceleration from the video card (Radeon
> Mobility M6 LY).
> I've done everything I can think of to correct this problem.  The
> xserver-xfree86 version is 4.2.1-3.  The kernel is 2.4.18-686 (from
> Debian).  The distribution is Debian 3.0 (mostly Woody, with a few
> additions (like xserver-xfree86) from Sarge).  The relevant lines
> in my XF86Config-4 file are:
> Section "Device"
>         Identifier      "ATI Radeon (Generic)"
>         Driver          "radeon"
>         VendorName      "ATI Radeon (Generic)"
>         BoardName       "ATI Radeon (Generic)"
>         BusID           "PCI:1:0:0"
>         VideoRam        16384
> EndSection
> Section "DRI"
>         Mode    0666
> EndSection
> My kernel's configuration file includes the lines
> CONFIG_AGP=m
> CONFIG_AGP_INTEL=y
> CONFIG_AGP_I810=y
> CONFIG_AGP_VIA=y
> CONFIG_AGP_AMD=y
> CONFIG_AGP_SIS=y
> CONFIG_AGP_ALI=y
> CONFIG_AGP_SWORKS=y
> CONFIG_DRM_RADEON=m
> CONFIG_FB_RADEON=m
> My /etc/modules.conf file includes the line
> alias char-major-10-175      agpgart
> and agpgart.o resides in the usual place,
> /lib/modules/2.4.18-686/kernel/drivers/char/agp/agpgart.o
> For some reason, agpgart is not loaded automatically either at boot
> time nor when I run startx, but I get the same startx error even
> after I load agpgart manually with insmod.  At any rate, when I
> run lsmod (after calling startx) I see the lines:
> Module                  Size  Used by    Tainted: P
> agpgart                29504   0  (unused)
> radeon                 86456   0

Run dmesg and look for any lines about agpgart. If it's loaded properly, and detected your agp chip, it should display something.

Adam