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Date: Thu, 06 Mar 2014 16:49:05 -0500 From: Brian Wong <draconicpenguin1@...oo.com> To: KY Srinivasan <kys@...rosoft.com>, linux-kernel@...r.kernel.org Subject: Re: Hyper-V Synthetic Video Frame Buffer Driver may distort top two lines of console On 3/6/2014 4:05 PM, Brian Wong wrote: > On 3/6/2014 3:41 PM, Brian Wong wrote: >> I've identified another possible bug in the Hyper-V drivers: When the >> Hyper-V Synthetic Video Frame Buffer Driver is built into the kernel, >> and the VM is paused and continued, the top two lines of the console may >> become distorted. See the image at http://imgur.com/kIExFP3. >> >> Can someone look into it? > > Just to clarify, I can confirm this bug under both the patched Gentoo > 3.10.32 kernel and the vanilla 3.13.5 kernel (see the image at > http://imgur.com/mYUTzgt). Is the framebuffer somehow getting corrupted? > The problem also reproduces under Kali Linux with kernel 3.12.6, but only on virtual consoles that are not hosting a graphical X session. The problem does not appear in X. -- Brian Wong http://www.fierydragonlord.com -- 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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