[Nut-upsdev] NUT-2.0.5: newhidups on RedHat ES4 ( cont'd )

[Patrick Agrain]

Hi,

At 18:03 02/04/2007, Patrick Agrain wrote:
>Hi all,
>
>I removed the udev rules and put instead the libhidups and libhid.usermap 
>in the /etc/hotplug/usb directory.
>
>Plug in the UPS now shows the correct user / permissions on 
>/proc/bus/usb/BBB/DDD. That's the good news.
>--------------
>[root at sxb ~]# ls -als /proc/bus/usb/001
>total 0
>0 dr-xr-xr-x  2 root root  0 avr  3  2007 .
>0 drwxr-xr-x  3 root root  0 avr  3  2007 ..
>0 -rw-r--r--  1 root root 43 avr  3  2007 001
>0 -rw-rw-r--  1 root nut  52 avr  3 09:58 003
>--------------
>
>Unfortunately, the test of the driver still fails and exits with a broken 
>pipe.
>--------
>[root at sxb ~]# /sbin/newhidups -u root -a mgeups -DDDDD
>Network UPS Tools: 0.28 USB communication driver 0.28 - core 0.30 (2.0.5)
>debug level is '5'
>Checking device (0463/FFFF) (001/003)
>- VendorID: 0463
>- ProductID: ffff
>- Manufacturer: MGE UPS SYSTEMS
>- Product: EXtreme
>- Serial Number: 885B25011
>- Bus: 001
>Trying to match device
>Device matches
>HID descriptor, method 1: (9 bytes) => 09 21 00 01 21 01 22 63 06
>i=0, extra[i]=09, extra[i+1]=21
>HID descriptor, method 2: (9 bytes) => 09 21 00 01 21 01 22 63 06
>HID descriptor retrieved (Reportlen = 1635)
>Unable to get Report descriptor (-32): Broken pipe
>Checking device (0000/0000) (001/001)
>- VendorID: 0000
>- ProductID: 0000
>- Manufacturer: Linux 2.6.9-34.EL uhci_hcd
>- Product: UHCI Host Controller
>- Serial Number: 0000:00:07.2
>- Bus: 001
>Trying to match device
>Device does not match - skipping
>No appropriate HID device found
>No matching HID UPS found
>[root at sxb ~]#
>----------------------------------------
>
>The USB traffic analyzer shows two things.
>First :
>During the enumeration process of the USB peripheral, the set_address 
>process always output address 1, even if you plug/unplug the UPS several times.
>See the log up there, the UPS should have address 3 and the USB traffic 
>analyzer gives address 1.
>Comparison performed with other machine show that the Device Number and 
>its USB address should be similar.
>OK. Let's it aside, it's not the topic of this mailing-list.
>
>Second :
>During the Get_Descriptor (HID Report) process, only 588 bytes out of 1635 
>(?) are retrieved.
>The analyzer points out a "Missing Status" for the last transaction, but 
>it seems more to be a complete transfer stop, because the last 8-bytes 
>transfer (bytes 580 to 587) is complete.
>
>Question : Total Length of the Report Descriptor is wrong. The Report of 
>this UPS has only 1536 bytes. Any idea about the reason of this "digit mix" ?

Sorry, I made a mistake in my interpretation, but it seems that this UPS 
has really 1635 bytes in its Report Descriptor. ( Seen on another system 
with newhidups 2.0.3 ).


>Regards,
>Patrick Agrain
>
>
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