On 2019-07-24, Scott Seekamp <complists@risei.net> wrote:
> On 23.07.2019 16:16, Theo de Raadt wrote:
>
>> Todd C. Miller <Todd.Miller@sudo.ws> wrote:
>>
>> On Tue, 23 Jul 2019 13:42:28 -0600, Scott Seekamp wrote:
>>
>> I tested by:
>>
>> - unplugging the sensor
>>
>> - changing /etc/ttys
>>
>> - kill -HUP 1
>>
>> - plugging sensor in and waiting 30 seconds
>>
>> - check sysctl output for data
>> You need to run "ttyflags ttyU0" instead of sending a HUP to init.
>> If the cua device works I would expect that setting the local flag
>> in /etc/ttys for ttyU0 would be sufficient.
>
> That is what I suspect also.
>
> But that doesn't seem right. Something is wrong. Internal cabling
> error?
>
> Thanks Todd and Theo (again!).
>
> I redid my tests using "ttyflags ttyU0" instead of HUP'ing init. Same
> response.
>
> I found a few other folks with what looks to be the same device putting
> the dial out device in as well so it does seem to be more than just my
> unit. The cable is non-removable on the device so there's not much to
> work with there.
>
> If anyone is curious the device I have is:
>
> https://www.ebay.com/itm/USB-GPS-Receiver-Module-Antenna-Output-USB-Global-4M-FLASH-1-5m-BN-82U-GLONASS/273794727010?hash=item3fbf6ffc62:g:kmIAAOSw4~1cp097
>
>
> Chipset manufacturer:
>
> https://www.u-blox.com/en/product/ubx-m8030-series#tab-document-resources
>
>
> I can start the ldattach process outside of /etc/ttys so this isn't a
> critical issue, just a curiosity. Much appreciate the response and if
> there's other information I can provide please let me know.
>
> Thanks
> Scott
>
What line do you have in /etc/ttys?
The example in ldattach(8) would normally be expected to work OK even on
a device that doesn't have control lines working properly (some of the
USB RS232 adapters don't) ..
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