Re: Raspberry Pi 3B USB Printing Issue

From: Archimedes Gaviola <archimedes.gaviola_at_gmail.com>
Date: Tue, 15 Mar 2022 14:34:14 UTC 
On Tue, Mar 15, 2022 at 4:54 PM Archimedes Gaviola <
archimedes.gaviola@gmail.com> wrote:

>
>
> On Tue, Mar 15, 2022 at 3:59 PM Hans Petter Selasky <hps@selasky.org>
> wrote:
>
>> On 3/15/22 05:57, Archimedes Gaviola wrote:
>> > I did comment-out usbd_transfer_submit(xfer) and still the same
>> behavior is
>> > experienced when hw.usb.dwc_otg.debug is enabled. The system seems to
>> > freeze as my USB keyboard is unresponsive and I cannot connect over the
>> > Ethernet NIC with SSH. I can't print and capture.
>>
>
> Hi Hans,
>
>
>>
>> Hi,
>>
>> If you re-plug the USB keyboard, does it come back?
>>
>
> No, it does not come back.
>
>
>> Try setting "sysctl kern.consmute=1". Then only capture logs from
>> /var/log/messages.
>>
>
> Much better, no more system freeze. I'll proceed with testing and
> capturing after work.
>
> Thanks,
> Archimedes
>

Hi Hans,

I'll just give you an update for now. For several times of printing I've
done, the issue never occurred. So, tomorrow I'll continue for another
round of testing. Thanks for the debugging resolution, it's working now.

Thanks,
Archimedes