obmc-ikvm host OS console mode issue

[xiuzhi]

Hi Jae,
  webui patch:
  https://github.com/Nuvoton-Israel/openbmc/tree/master/meta-evb/meta-evb-nuvoton/meta-evb-npcm750/recipes-phosphor/webui
Hi Jae,
   The issue can be reproduced by the following cases:
1) the ikvm engine driver is from  
https://lists.ozlabs.org/pipermail/openbmc/2019-January/014523.html
2) ikvm handler patch is from:
https://github.com/Nuvoton-Israel/openbmc/blob/master/meta-evb/meta-evb-nuvoton/meta-evb-npcm750/recipes-phosphor/interfaces/phosphor-rest/0001-add-kvm-handler.patch
3) webui is from
https://gerrit.openbmc-project.xyz/#/c/openbmc/phosphor-webui/+/10268/


Case1, Start the host OS to GUI mode, click the "refresh" Button on https://xxx.xxx.xxx.xxx/#/kvm page.


Case2,  switch hostOS to console mode, click the "refresh" Button on https://xxx.xxx.xxx.xxx/#/kvm page.


1,Using obmc-ikvm commit 7dfac9ff2d1569aedf83175fb0427562c2188e63
case1 is OK
case2 refresh page fail, can not get the host screen.


2,Using obmc-ikvm commit 
 b9c253dca682d01e076ec6240ade2db151aec81a
case1 is OK
case2 is OK


Best,
xiuzhi
------------------ Original ------------------
From:  "jae.hyun.yoo";<jae.hyun.yoo at linux.intel.com>;
Date:  Feb 20, 2019
To:  "xiuzhi"<1450335857 at qq.com>; "openbmc"<openbmc at lists.ozlabs.org>; 

Subject:  Re: obmc-ikvm host OS console mode issue



Hi xiuzhi,

I don't think the commit causes the issue. Check aspeed-video driver
module in kernel that what happens on video mode change events.

Cheers,
Jae

On 2/19/2019 12:26 AM, xiuzhi wrote:
> Hi Jae,
>     I updated the obmc-ikvm commit 7dfac9ff2d1569aedf83175fb0427562c2188e63
>   It caused one issue:
> The ikvm only works on linux OS GUI mode,
> When I switch to os console mode, the ikvm can't get the host screen.
> Please check you commit.
> 
> Best,
> xiuzhi
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