Re: APC USB ups, Back-UPS ES series, 2.5.68

David Ford
2003-05-03T09:53:10Z

Yep...a simple fact that I overlooked. This is a devfs created file so
the kernel is at fault. Looks like it's off by 128.

David

Greg KH wrote:

>On Fri, May 02, 2003 at 11:04:21PM -0400, David Ford wrote:
>
>
>>(Please cc: me on reply)
>>
>>I'm wanting to get this new toy up and running. I've installed apcupsd,
>>but it doesn't want to work well with my kernel (2.5.68) or somewhat.
>>
>>When apcupsd tries to open the hiddev, open() gets an ENODEV. Is
>>apcupsd doing something wrong or is 2.5.68 doing something wrong?
>>
>>~# dmesg
>>hub 1-0:0: debounce: port 1: delay 100ms stable 4 status 0x301
>>hub 1-0:0: new USB device on port 1, assigned address 4
>>usb 1-1: new device strings: Mfr=3, Product=1, SerialNumber=2
>>usb 1-1: Product: Back-UPS ES 350 FW:800.e3.D USB FW:e3
>>usb 1-1: Manufacturer: APC
>>usb 1-1: SerialNumber: AB0238241677
>>usb 1-1: usb_new_device - registering interface 1-1:0
>>hid 1-1:0: usb_device_probe
>>hid 1-1:0: usb_device_probe - got id
>>drivers/usb/core/file.c: asking for 1 minors, starting at 96
>>drivers/usb/core/file.c: found a minor chunk free, starting at 96
>>hiddev96: USB HID v1.10 Device [APC Back-UPS ES 350 FW:800.e3.D USB
>>FW:e3] on usb-00:07.2-1
>>
>>
>>~# ls -l /dev/usb/hid
>>total 0
>>crw-r--r-- 1 root root 180, 192 Dec 31 1969 hiddev96
>>crw-r--r-- 1 root root 180, 193 Dec 31 1969 hiddev97
>>
>>
>
>Huh? /dev/usb/hiddev0 is major 180, minor 96. So the kernel asked for
>minor 96 and it got it. Why are you trying to connect to minor number
>192?
>
>For a list of the USB minor numbers see:
> http://www.linux-usb.org/usb.devices.txt
>
>It's a bit different from Documentation/devices.txt, I need to send the
>updates to lanana.org someday...
>
>thanks,
>
>greg k-h
>