obmc-ikvm host OS console mode issue

[Jae Hyun Yoo]

Hi xuizhi,

I pinned libvncserver at commit aa8a1aa76880ffb8f23b98d0dbe35988b2609877

Best,
Jae


On 2/21/2019 7:01 PM, xiuzhi wrote:
> Hi Jae,
>    I am afraid that this "Refresh" issue is related to the libvncserver.
>    Would you like to tell me your libnvcserver commit number?
> Best,
> xiuzhi
> 
> Hi xuizhi,
> 
> Virtual terminal also works. I used 'sudo chvt 2' instead of using
> 'Ctrl+Alt+F2' because I couldn't send the hot key through webui kvm.
> Also, instead of clicking the 'refresh' button, I changed web page
> to the 'Server overview' page and changed it back to
> 'Server control -> KVM' page. It works well.
> 
> IMHO, you might want check the 'refresh' button handling logic in
> webui implementation. Actually, the 'refresh' button is for system
> info update, not for kvm screen update, anyways.
> 
> Cheers,
> Jae
> 
> 
> On 2/20/2019 10:27 PM, xiuzhi wrote:
>  > Hi Joe,
>  >        It did work on EFI BIOS shell mode and OS GUI mode as your
>  > screenshots.  It will fail on host OS console mode.
>  > Please press "Ctrl+Alt+F2" to switch to OS console as the attachment
>  > screenshot , then click the "Refresh" button, the issue will be 
> reproduced.
>  >     I updated the source
>  > https://gerrit.openbmc-project.xyz/#/c/openbmc/obmc-ikvm/+/18583/
>  >    The ikvm window is black screen when the host OS screen start
>  > dormancy or no LCD monitor device available .
>  >    My BMC hardware is Ast2500.
>  > Hi xiuzhi,
>  > I tested it and checked that kvm through websocket works on both text
>  > mode and gui mode of the host. Please find captured image I'm attaching.
>  >
>  > As you experienced, current kvm implementation is a bit unstable.
>  > In case it doesn't work, restart 'start-ipkvm' service and try again.
>  >
>  > # systemctl stop start-ipkvm
>  > # systemctl start start-ipkvm
>  >
>  > If the issue is relating to the host wake-up event, please try this:
>  > https://gerrit.openbmc-project.xyz/#/c/openbmc/obmc-ikvm/+/18583/
>  >
>  > Since it still needs lots of improvement, your debugging and
>  > contribution on this kvm function would be very appreciated.
>  >
>  > Thanks,
>  > Jae
>  >
>  >
>  > On 2/19/2019 6:01 PM, xiuzhi wrote:
>  >  > 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
>  >