Re: I need advice with UPS connection. (ping)

David Niklas
2021-11-15T03:02:43Z

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On Sun, 14 Nov 2021 16:14:35 -0500
stern@rowland.harvard.edu wrote:
> On Sun, Nov 14, 2021 at 02:48:42PM -0500, David Niklas wrote:
> > Hello,
> >
> > Almost 1 year ago to the date I posted a question regarding
> > connecting my UPS to my PC (look for the same subject -ping). The
> > input subsystem maintainers, Jiri Kosina or Ben Tissoires were asked
> > to get back to me. No one ever did though.
> >
> > Now my UPS is *not* working correctly, and I'd really really like to
> > be able to speak to it with my PC so I can (hopefully) figure out
> > what's wrong with it.
> >
> > I'm running Linux Kernel 5.15.X on a Devuan (Debian) system. I
> > connected my UPS (OPTI-UPS Thunder Shield TS2250B) via USB cable and
> > got (almost the same as last time...):
> > [ 4236.165138] usb 3-2: new low-speed USB device number 2 using
> > xhci_hcd [ 4236.325178] usb 3-2: New USB device found, idVendor=0d9f,
> > idProduct=0004, bcdDevice= 0.02 [ 4236.325183] usb 3-2: New USB
> > device strings: Mfr=3, Product=1, SerialNumber=2 [ 4236.325185] usb
> > 3-2: Product: HID UPS Battery [ 4236.325187] usb 3-2: Manufacturer:
> > POWERCOM Co.,LTD [ 4236.325188] usb 3-2: SerialNumber: 004-0D9F-000
> > [ 4236.423210] hid-generic 0003:0D9F:0004.000B: hiddev3,hidraw8: USB
> > HID v1.00 Device [POWERCOM Co.,LTD HID UPS Battery] on
> > usb-0000:11:00.3-2/input0 [ 4239.842223] usb 3-2: USB disconnect,
> > device number 2 [ 4242.485126] usb 3-2: new low-speed USB device
> > number 3 using xhci_hcd [ 4242.645075] usb 3-2: New USB device found,
> > idVendor=0d9f, idProduct=0004, bcdDevice= 0.02 [ 4242.645080] usb
> > 3-2: New USB device strings: Mfr=3, Product=1, SerialNumber=2
> > [ 4242.645082] usb 3-2: Product: HID UPS Battery [ 4242.645084] usb
> > 3-2: Manufacturer: POWERCOM Co.,LTD [ 4242.645085] usb 3-2:
> > SerialNumber: 004-0D9F-000 [ 4242.727148] hid-generic
> > 0003:0D9F:0004.000C: hiddev3,hidraw8: USB HID v1.00 Device [POWERCOM
> > Co.,LTD HID UPS Battery] on usb-0000:11:00.3-2/input0 [ 4246.135926]
> > usb 3-2: USB disconnect, device number 3 [ 4248.781839] usb 3-2: new
> > low-speed USB device number 4 using xhci_hcd [ 4248.942099] usb 3-2:
> > New USB device found, idVendor=0d9f, idProduct=0004, bcdDevice= 0.02
> > [ 4248.942104] usb 3-2: New USB device strings: Mfr=3, Product=1,
> > SerialNumber=2 [ 4248.942106] usb 3-2: Product: HID UPS Battery
> > [ 4248.942108] usb 3-2: Manufacturer: POWERCOM Co.,LTD [ 4248.942109]
> > usb 3-2: SerialNumber: 004-0D9F-000 [ 4249.031166] hid-generic
> > 0003:0D9F:0004.000D: hiddev3,hidraw8: USB HID v1.00 Device [POWERCOM
> > Co.,LTD HID UPS Battery] on usb-0000:11:00.3-2/input0 [ 4252.511996]
> > usb 3-2: USB disconnect, device number 4 ...
> >
> > I'd appreciate any advice trying to get my UPS to stay connected and
> > not spam the kernel log. I'd like to have nut or apcupsd talk to it.
>
> It would help to see the details of the communication between the
> computer and the UPS. You can collect a usbmon trace by running (as
> superuser):
>
> cat /sys/kernel/debug/usb/usbmon/3u >mon.txt
>
> before plugging in the UPS cable. (The 3 comes from the bus number of
> the USB port in the log above.) Kill the process after the cable has
> been plugged in long enough for a couple of these disconnect messages
> to appear, and post the output file to the mailing list.
>
> Alan Stern
>

Attached is the info.

In case someone doesn't realize, I'm subscribed to the linux-kernel ML,
but not input or usb. Please CC me if you don't want to spam the LKML.

Thanks for the timely response,
David

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