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Unable to access bios config menu during boot #120
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starred/pikvm-pikvm#120
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Originally created by @JuanEsc13 on GitHub (Jan 7, 2021).
Originally assigned to: @mdevaev on GitHub.
Describe the bug
Unable to access bios config menu during boot. F keys seem to not work during boot neither on virtual keyboard or actual keyboard.
To Reproduce
Steps to reproduce the behavior, like:
Expected behavior
When pressing F2 or F11 on either virtual or real keyboard during bios boot I should be taken to the Bios/boot menu.
Screenshots

Desktop (please complete the following information):
Pi-KVM info:
kvmd 2.8-1
kvmd-platform-v2-hdmiusb-rpi4 2.8-1
kvmd-webterm 0.35-1
@mdevaev commented on GitHub (Jan 7, 2021):
I have heard that sometimes the DELL BIOS works strangely because it does not properly implement USB Composite. I have two possible tips:
@JuanEsc13 commented on GitHub (Jan 7, 2021):
You gave me the idea to plug the USB cable on one of the built in USB ports of the R710 server instead of the USB hub connected via PCIe and it is working now. Thank you!
@mdevaev commented on GitHub (Jan 7, 2021):
Glad to hear it! :)
@krasin commented on GitHub (Jan 7, 2021):
@JuanEsc13 I am just a bystander here, but would like to say thank you for documenting your workaround here. It's a great public service that we all appreciate.
@mdevaev commented on GitHub (Jan 8, 2021):
I also documented it in the troubleshooting guide.
@yoGhurrt1 commented on GitHub (Jan 12, 2021):
You have mentioned Dell BIOS, but how about HP? I have exact same problem with my N54L Proliant - tried on two different PCs with Mozilla 84. Raspberry is connected through https://www.tindie.com/products/8086net/usb-cpwr-splitter/ to server and charger, so it couldn't be USB hub. What's more interesting, it worked for a moment, after few days I started to have stability problems and maybe it was after some or other update.
@mdevaev commented on GitHub (Jan 12, 2021):
I don't think this is related to the update as these subsystems are almost unchanged. Glitches do not depend on the manufacturer, sometimes just bad luck.
@yoGhurrt1 commented on GitHub (Jan 13, 2021):
To be clear, I meant Pi-KVM updates, not BIOS updates. Would Debbug log show anything related to this problem?
@mdevaev commented on GitHub (Jan 13, 2021):
See
journalctl -u kvmd@yoGhurrt1 commented on GitHub (Jan 13, 2021):
Thanks. Here is my log from a moment when I switched resolution after rebooting Pi-KVM up to moment when I closed window because server didn't respond for F key and system boot started.
Beside "configfs-gadget gadget: error in submission: ep3out --> -11" nothing looks suspicious.
Looking further, I can see that keyboard don't work in BIOS at all and that's a difference because I remember that at list, once, that previously worked.
@mdevaev commented on GitHub (Jan 16, 2021):
If you have another memory card, install the old OS image from the site there and try it. So we can understand whether the update is to blame.
@yoGhurrt1 commented on GitHub (Jan 21, 2021):
That's a good point. I'll search for older images and go back to you.