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Email: aardvark at saintaardvarkthecarpeted dot com

Vishnu ate my laptop

Thu Nov 1 21:02:39 PDT 2007

Dude, my laptop screen just turned blue. I'd booted into OpenBSD (4.2) and was trying to figure out how to turn off the audible bell. I'd gone from X to a virtual console to see if the problem happened there (it did), then tried ctrl-alt-f5 to get back to X.

My laptop screen turned from black with white text to grey with grey text to light blue with dark blue text, over the course of a minute or so. I thought I'd suddenly borked the LCD screen, but when I rebooted to Debian it was all fine. Just tried switching to a console, then back to X (alsoin Debian), and that's fine too. Bizarre.

Just checked the logs in OpenBSD and found a series of entries like this:

Nov  1 16:47:17 laptop /bsd: agp_release_helper: mem 0 is bound
Nov  1 16:47:17 laptop /bsd: agp_release_helper: mem 1 is bound
Nov  1 16:47:17 laptop /bsd: agp_release_helper: mem 2 is bound
Nov  1 16:47:17 laptop /bsd: agp_release_helper: mem 3 is bound
Nov  1 16:47:17 laptop /bsd: agp_release_helper: mem 4 is bound
Nov  1 16:47:24 laptop /bsd: agp_release_helper: mem 5 is bound
Nov  1 16:47:24 laptop /bsd: agp_release_helper: mem 6 is bound
Nov  1 16:47:24 laptop /bsd: agp_release_helper: mem 7 is bound
Nov  1 16:47:24 laptop /bsd: agp_release_helper: mem 8 is bound
Nov  1 16:47:24 laptop /bsd: agp_release_helper: mem 9 is bound
Nov  1 16:47:31 laptop /bsd: agp_release_helper: mem 10 is bound
Nov  1 16:47:31 laptop /bsd: agp_release_helper: mem 11 is bound
Nov  1 16:47:31 laptop /bsd: agp_release_helper: mem 12 is bound
Nov  1 16:47:31 laptop /bsd: agp_release_helper: mem 13 is bound
Nov  1 16:47:31 laptop /bsd: agp_release_helper: mem 14 is bound
Nov  1 16:47:38 laptop /bsd: agp_release_helper: mem 15 is bound
Nov  1 16:47:38 laptop /bsd: agp_release_helper: mem 16 is bound
Nov  1 16:47:38 laptop /bsd: agp_release_helper: mem 17 is bound
Nov  1 16:47:38 laptop /bsd: agp_release_helper: mem 18 is bound
Nov  1 16:47:38 laptop /bsd: agp_release_helper: mem 19 is bound

Very weird. On the bus, so Googling that'll have to wait. Although I do have the code on that partition…here we go: says it's the AGPIOC_RELEASE ioctl for agp. Aha! Maybe I'll explain money laundering while I'm at it.

And btw, here's a memo for the world: if you're on the toilet, don't take a phone call. It's really not that important.

Update, October 15 2008: Still happening with OpenBSD 4.3. And for the record, this is a Dell C300 laptop.

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