Re: Raspberry Pi 3B USB Printing Issue

From: Archimedes Gaviola <archimedes.gaviola_at_gmail.com>
Date: Wed, 16 Mar 2022 12:02:57 UTC 
On Tue, Mar 15, 2022 at 10:34 PM Archimedes Gaviola <
archimedes.gaviola@gmail.com> wrote:

>
>
> 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
>


Hi Hans,

I just uploaded the /var/log/messages file here
https://filebin.net/gffcyx587ynrcg6u. Kindly check if you can find
something. The issue occurred twice and I caught the second occurrence.

Thanks,
Archimedes