[Nix-dev] PCI Expresscard not working under NixOS

[Roger Qiu]

It might be a missing driver. Ultimately is the kernel, its drivers and
modules that deal with hardware and IO. You might need to google around and
ask specifically for the given pci expess hardware serial code and model.
On 07/02/2017 9:39 AM, "Christoph-Simon Senjak" <
christoph.senjak at googlemail.com> wrote:

> 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
>>     _______________________________________________
>>     nix-dev mailing list
>>     nix-dev at lists.science.uu.nl <mailto:nix-dev at lists.science.uu.nl>
>>     http://lists.science.uu.nl/mailman/listinfo/nix-dev
>>     <http://lists.science.uu.nl/mailman/listinfo/nix-dev>
>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.science.uu.nl/pipermail/nix-dev/attachments/20170207/2cd79f78/attachment.html>