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Message-Id: <200810200234.28751.andres@anarazel.de> Date: Mon, 20 Oct 2008 02:34:28 +0200 From: Andres Freund <andres@...razel.de> To: Keith Packard <keithp@...thp.com> Cc: Dave Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org Subject: Re: [git pull] agp patches for 2.6.28-rc1. Hi, On Monday 20 October 2008 02:19:37 you wrote: > The GM45/G45 support in both kernel and user space was horribly broken, > causing the kernel to either overwrite stolen entries with freshly > allocated pages, and potentially corrupt the system, or leave some GTT > entries uninitialized and cause the hardware to lock up. I had some crashes with 3d, but none in 2d as far as I know. > You appear to have a happy situation where this bug isn't obviously > breaking things. We couldn't find any machines where even simple 2D > graphics was stable for very long. Interesting. I had the system running for some days without problems related to graphics. > We applied a patch to both kernel and 2D driver (as both end up > computing the size of the GTT stolen area for historical reasons) to fix > this mistake. Updating your 2D driver to 2.4.98 should get you the other > half of the fix. Ok, will try, and also report this to ubuntu and maybe other distributions... > Yeah, I'm getting information about how 'hybrid' graphics hardware > works. If you need some information/testing/whatever... Andres -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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