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Subject: Re: Does obmc-ikvm work with bmcweb?
To: Lei YU <mine260309@gmail.com>
Cc: xiuzhi <1450335857@qq.com>, openbmc <openbmc@lists.ozlabs.org>,
 ed <ed@tanous.net>, Eddie James <eajames@linux.vnet.ibm.com>
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From: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
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Date: Tue, 19 Mar 2019 11:09:00 -0700
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Hi Lei,

On 3/19/2019 2:22 AM, Lei YU wrote:
> Hi Jae,
> 
> Thanks for sharing the detailed information.
> I managed to do a build on Romulus and see the KVM partially working:
> * I can see the video output in the KVM page;
> * I am unable to do any operation, e.g. pressing a key does not seem to be
>    sent to host

Check if there are /dev/hidg0 and /dev/hidg1. If not, check kernel
configs again.
Also, check 'start-ipkvm.service' file whether that launches obmc-ikvm
using this options:
ExecStart=/usr/bin/env obmc-ikvm -v /dev/video0 -f 10 -k /dev/hidg0 -p 
/dev/hidg1

> * When I browse to another page and browse back to KVM page, it displays a
>    small black block, instead of showing correct KVM view.

Try this patch:
https://gerrit.openbmc-project.xyz/c/openbmc/obmc-ikvm/+/19392

Cheers,
Jae

> Did you meet such issue before and do you happen to know how to fix this?
> 
> Thanks a lot!
> 
> On Tue, Mar 19, 2019 at 1:33 AM Jae Hyun Yoo
> <jae.hyun.yoo@linux.intel.com> wrote:
>>
>> Attaching a patch file for back porting of Eddie's aspeed-video driver.
>> Diff in below doesn't include the newly created file so I'm attaching it
>> as a patch.
>>
>> -Jae