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USB Keyboard not detected on Threadripper and core i9
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pratikmishra
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PostPosted: Wed Sep 27, 2017 7:12 am    Post subject: USB Keyboard not detected on Threadripper and core i9 Reply with quote

Hi,

I recently acquired an AMD Threadripper 1950X (ASUS PRIME X399-A MoBo) and an Intel Core i9 7900X (Asus ROG STRIX X299-E MoBo) based machines.

We have installed gentoo version 4.4.39 on both the machines and have been facing a peculiar problem since.

During the BIOS boot process the keyboard and mouse which are both connected to USB ports are functioning properly.

As soon as gentoo is loaded and the login prompt is shown keyboard stops functioning.

We tried to manually build the kernel but still the issue remains.

Require guidance as to what need to be done to resolve this.
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krinn
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PostPosted: Wed Sep 27, 2017 7:21 am    Post subject: Reply with quote

https://wiki.gentoo.org/wiki/USB/Guide#Config_options_for_the_kernel
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joanandk
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PostPosted: Wed Sep 27, 2017 9:57 am    Post subject: Re: USB Keyboard not detected on Threadripper and core i9 Reply with quote

pratikmishra wrote:

We tried to manually build the kernel but still the issue remains.

Require guidance as to what need to be done to resolve this.


I assume the live-cd works? If so, you should check which modules are loaded and make sure that these are available too.
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Naib
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PostPosted: Wed Sep 27, 2017 10:28 am    Post subject: Re: USB Keyboard not detected on Threadripper and core i9 Reply with quote

pratikmishra wrote:

We have installed gentoo version 4.4.39 on both the machines and have been facing a peculiar problem since.

Gentoo version 4.4.39? do you mean kernel version?

pratikmishra wrote:

During the BIOS boot process the keyboard and mouse which are both connected to USB ports are functioning properly.
As soon as gentoo is loaded and the login prompt is shown keyboard stops functioning.

We tried to manually build the kernel but still the issue remains.

Require guidance as to what need to be done to resolve this.

did you include usb3 drivers?
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Jaglover
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PostPosted: Wed Sep 27, 2017 10:51 am    Post subject: Reply with quote

Kernel 4.4.39 is not even in portage. For new hardware a new kernel may be in order.
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pratikmishra
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PostPosted: Thu Sep 28, 2017 1:31 pm    Post subject: Reply with quote

Hi All,

Thanks for the prompt replies.

This got resolved once we rebuilt the kernel with USB 3.0 support.
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joanandk
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PostPosted: Thu Sep 28, 2017 8:48 pm    Post subject: Reply with quote

You might also need x2apic for multiprocessor support. For the case you have forgotten it.
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