On Thu, Feb 4, 2021 at 7:16 PM Samuel Sieb <sam...@sieb.net> wrote:

> On 2/4/21 5:28 PM, linux guy wrote:
> >
> >     Have you tried booting an earlier kernel?
> >
> >
> > Yes.  The behavior was consistent across the 3 kernels I had installed.
> > uname -a
> > Linux bigboy 5.10.11-200.fc33.x86_64 #1 SMP Wed Jan 27 20:21:22 UTC 2021
> > x86_64 x86_64 x86_64 GNU/Linux
>
> If it's not working now on a kernel version that did work before, that
> suggests that it's more likely to be a hardware issue than a kernel issue.
>
> Does anything show up in the journal when you plug something into the
> ports that aren't working?
>
> Since it appears to be USB3 ports that aren't working, try adding
> "blacklist=xhci_hcd" to the kernel command line before booting and see
> if that makes any difference.  I don't know if that will do anything
> since Fedora has that kernel driver compiled in, it's not a module.  So
> if it doesn't work, try "initcall_blacklist=xhci_init_driver" instead.
> _______________________________________________
>


I'll test this tomorrow.
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