On Tue, 2008-12-30 at 10:37 -0800, David Wolfskill wrote: > On Tue, Dec 30, 2008 at 01:26:37PM -0500, Robert Noland wrote: > > ... > > It is possible that drm is waiting for resources, but I'm doubtful that > > drm is the real problem. It sounds like the screen is going black when > > X attempts to start. > > Yes, it's in the transition from "text" to "graphics" mode. I use xdm > on the laptop; I also run RELENG_6 & RELENG_7 (from other slices), and > until the first week of December, I don't recall seeing this before. > > > You could try disabling drm in your Xorg.conf and > > see it that helps. (Option "DRI" "off" in the device section). > > OK; worth trying. > > > Do all > > of the drm messages appear on the console before it hangs? > > Yes, but they also appear when it doesn't hang (whether running > RELENG_6, RELENG_7, or HEAD). > > > I'm most suspicious of the acpi errors/warnings, but that isn't > > an area that I have experience with. > > I believe an appropriate technical term is "black art." :-} > > OK; the laptop has rebooted (following the above-cited change), and for > a "sample size" of 1, there was no period longer than about a second or > so that the screen stayed dark. > > So if that's repeatable, I'd suspect something involving DRI/drm, > possibly involving interrupt handling...? Ok, the most recent change that might be relavent was on Dec 18. r186295 | rnoland | 2008-12-18 16:04:50 -0500 (Thu, 18 Dec 2008) | 10 lines Though that only pertains to pci/pcie based radeons and it looked like yours was agp. You can send me an xorg.log to verify. robert. > > robert. > > Thanks for the suggestion. > > Peace, > david
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