[Nix-dev] PCI Expresscard not working under NixOS

[Tomasz Czyż]

What about doing quick check and running ubuntu from livecd/usb to confirm
if card still is alive?

2017-02-07 2:23 GMT+00:00 Roger Qiu <roger.qiu at matrix.ai>:

> 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
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>>>
>>>
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-- 
Tomasz Czyż
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