[Nix-dev] PCI Expresscard not working under NixOS

[Christoph-Simon Senjak]

Hello.

On 06.02.2017 06:36, Roger Qiu wrote:
> When you plug something in, the kernel log should show something. If it
> doesn't then the kernel doesn't know about it, nothing in the userspace
> can help.

How can that be?

> Make sure you're running those commands before you plug the usb in.
 >
> Also I used to have faulty usb cables, but even then the kernel showed
> something. Usually repeating messages because the usb cable kept
> dropping out and coming back in.
>
> What happens if you plug those devices directly?

The kernel does not notice the expresscard itself when I plug it in. My 
usb hard disk works perfectly under the other ports.

Ah, and fun fact: When plugging in the expresscard, I can reproducibly 
scramble my sound output for a second (the music repeats for a second 
after I plug it in). Still, the kernel says nothing. And no device nodes 
appear.


> On 06/02/2017 2:55 PM, "Christoph-Simon Senjak"
> <christoph.senjak at googlemail.com
> <mailto:christoph.senjak at googlemail.com>> wrote:
>
>     Hi.
>
>     On 06.02.2017 04:46, Peter Hoeg wrote:
>
>         Hi,
>
>             My USB 3.0 Expresscard does not work under NixOS, it used to
>             work
>             under other distros. I already tried to add
>
>
>         Can you be a little more specific about "does not work"?
>
>
>     Nothing happens. Like, really nothing. No new hub is shown in lsusb
>     (as it was under Ubuntu). Devices I plug in are not shown. Nothing.
>
>         When you plug it in, what messages are you seeing while running
>         these 2
>         commands in separate terminals:
>
>         journalctl -k -f
>
>         and
>
>         udevadm monitor
>
>
>     Nothing. No output.
>
>     Regards, CSS
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