Messages in this thread | | | From | Haiyang Zhang <> | Subject | RE: Hyper-V Synthetic Video Frame Buffer Driver may distort top two lines of console | Date | Thu, 6 Mar 2014 22:08:19 +0000 |
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> -----Original Message----- > From: KY Srinivasan > Sent: Thursday, March 6, 2014 4:51 PM > To: Brian Wong; linux-kernel@vger.kernel.org; Haiyang Zhang > Subject: RE: Hyper-V Synthetic Video Frame Buffer Driver may distort top > two lines of console > > > > > -----Original Message----- > > From: Brian Wong [mailto:draconicpenguin1@yahoo.com] > > Sent: Friday, March 7, 2014 3:19 AM > > To: KY Srinivasan; linux-kernel@vger.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? > Haiyang (copied here) will look into it. >
It's a known issue. The root cause is not very clear yet. It doesn't affect system functions. But we will look into it further.
Thanks, - Haiyang
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