On Sun, 14 Nov 2021 16:14:35 -0500 stern@xxxxxxxxxxxxxxxxxxx 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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