linux-kernel - Kernel 2.6.22-rc3 breaks USB: Unable to get HID descriptor (error sending control message: Operation not permitted)

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Message-ID: <Pine.LNX.4.64.0706021841520.3376@p34.internal.lan>
Date:	Sat, 2 Jun 2007 18:43:52 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	linux-kernel@...r.kernel.org
Subject: Kernel 2.6.22-rc3 breaks USB: Unable to get HID descriptor (error
 sending control message: Operation not permitted)

I use nut-2.0.4-4 with a UPS attached via USB and from 2.6.21.3 -> 
2.6.22-rc3 it stops working, see below.  My .config is attached.

2.6.21.3:

p34:~# /lib/nut/newhidups -u nut -DDDDDD auto
Checking device (050D/0912) (005/002)
- VendorID: 050d
- ProductID: 0912
- Manufacturer:
- Product: UPS
- Serial Number: unknown
- Bus: 005
Trying to match device
Device matches
HID descriptor retrieved (Reportlen = 820)
Size read for the report descriptor: 820
Report descriptor retrieved (Reportlen = 820)
Found HID device
Network UPS Tools: New USB/HID UPS driver 0.28 (2.0.4)

Report Descriptor size = 820
Report Descriptor: (200 bytes) => 05 84 09 04 A1 01 05 86 09 26 A1 02 85 01 75 08
Detected a UPS:        /UPS
Using subdriver: Belkin HID 0.1
Looking up 00840004
Looking up 00860026
Looking up 00860040
entering string_to_path()
parsing UPS
Looking up UPS
hid_lookup_usage: found 840004
parsing BELKINConfig
Looking up BELKINConfig
hid_lookup_usage: found 860026
parsing BELKINConfigVoltage
Looking up BELKINConfigVoltage
hid_lookup_usage: found 860040
Path depth = 3
0: UPage(84), Usage(4)
1: UPage(86), Usage(26)
2: UPage(86), Usage(40)
Entering libusb_get_report
=>> Before exponent: 120, 0/0)
=>> After conversion: 120.000000 (120), 0/0)
Report : (8 bytes) => 01 78 80 00 00 00 00 00
Path: UPS.BELKINConfig.BELKINConfigVoltage, Type: Feature, Value: 120.000000
Looking up 00840004
Looking up 00860026
Looking up 00860042

(works fine)

2.6.22-rc3:

p34:~# /lib/nut/newhidups -u nut -DDDDDD auto
Checking device (050D/0912) (005/002)
- VendorID: 050d
- ProductID: 0912
- Manufacturer: unknown
- Product: unknown
- Serial Number: unknown
- Bus: 005
Trying to match device
Device matches
failed to claim USB device, trying 2 more time(s)...
detaching kernel driver from USB device...
failed to detach kernel driver from USB device...
trying again to claim USB device...
failed to claim USB device, trying 1 more time(s)...
detaching kernel driver from USB device...
failed to detach kernel driver from USB device...
trying again to claim USB device...
failed to claim USB device, trying 0 more time(s)...
detaching kernel driver from USB device...
failed to detach kernel driver from USB device...
trying again to claim USB device...
Unable to get HID descriptor (error sending control message: Operation not permitted)

Download attachment "config-2.6.22-rc3.bz2" of type "APPLICATION/octet-stream" (7657 bytes)