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Message-ID: <4B2E8B94.1080007@msgid.tls.msk.ru> Date: Sun, 20 Dec 2009 23:39:48 +0300 From: Michael Tokarev <mjt@....msk.ru> To: Johannes Hirte <johannes.hirte@....tu-ilmenau.de> CC: linux-kernel@...r.kernel.org, stable@...nel.org, dri-devel@...ts.sourceforge.net Subject: Re: [stable] Regression in 2.6.32.2: radeon KMS hangs system Johannes Hirte wrote: > With 2.6.32.2 the system hangs completely with black screen when modprobing > radeon with modeset=1. I was able to connect via ssh, but after entering the > password nothing happend. I didn't got a prompt. Only SysRq worked. I've > tracked it down to the following patch: > > From 500b758725314ab1b5316eb0caa5b0fa26740e6b Mon Sep 17 00:00:00 2001 > From: Alex Deucher <alexdeucher@...il.com> > Date: Wed, 2 Dec 2009 11:46:52 -0500 > Subject: drm/radeon/kms: handle vblanks properly with dpms on Confirmed here on amd780g chipset. I was about to debug/bisect the issue right when the email arrived. Reverting this patch makes my system bootable again. /mjt > From: Alex Deucher <alexdeucher@...il.com> > > commit 500b758725314ab1b5316eb0caa5b0fa26740e6b upstream. > > avivo chips > > Copied from pre-avivo code. > > Signed-off-by: Alex Deucher <alexdeucher@...il.com> > Signed-off-by: Dave Airlie <airlied@...hat.com> > Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> ... -- 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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