Xorg 6.9.0 and DRI crashes the machine (AMD64, Radeon)

Albert Vest alvest at earthlink.net
Tue Jan 24 19:05:49 PST 2006

On Wed, 25 Jan 2006 01:27:11 +0100
Mark Nowiasz <buckaroo at gmx.de> wrote:

> Albert Vest wrote:
> > My situation exactly, except my CPU is Intel and it's integrated video
> > (Radeon RS300 IGP 9100).  Have tried it with graphics/dri, but not
> > graphics/dri-devel.  I have hope of making DRI work, since I got it
> > working before the mid-december patches (RELENG_6).  Will keep better
> > notes this time.
> > 
> > How is it you see the "unsupported display mode" warning with a black
> > screen?
> Oh, it's just a feature of the monitor , it's nothing the video card does.

Thanks.  Got me thinking though, and I found an intriguing file called /var/log/messages.  Last time I tried and failed loading dri (forcing PCI mode, which is how it worked last year), this message log settled into the following pattern (repeating ~17.5 times/second):

Jan 24 19:43:01 discovery kernel: [drm:pid637:radeon_cp_idle]
Jan 24 19:43:01 discovery kernel: [drm:pid637:radeon_do_cp_idle]
Jan 24 19:43:01 discovery kernel: [drm:pid637:drm_ioctl]     returning 16
Jan 24 19:43:01 discovery kernel: [drm:pid637:drm_ioctl] pid=637, cmd=0x20006444, nr=0x44, dev 0xc2f3fd00, auth=1

I hope someone here finds a clue.  More info on request.  Meantime, I'm going to stare at radeon_do_cp_idle a while.

Albert Vest, al vest at earth link dot net

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