linux-kernel - usb-scanner-cameras kernel-2.6.22 and udev-095 problem

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Date:	Tue, 15 May 2007 12:42:56 -0500
From:	art@...ltd.com
To:	linux-kernel@...r.kernel.org
Cc:	torvalds@...l.org
Subject: usb-scanner-cameras kernel-2.6.22 and udev-095 problem

Linux 2.6.22-rc1-gfaa8b6c3 #130 SMP PREEMPT Tue May 15 08:45:16 CDT  
2007 x86_64 x86_64 x86_64 GNU/Linux

udev.x86_64  095

usb hotplug/udev cannot correctly register usb/scanners, usb/cameras
udev doesn't create devices in /dev like /dev/scanner etc
but we can see devices in /proc/bus/usb/devices
...
T:  Bus=02 Lev=02 Prnt=03 Port=01 Cnt=02 Dev#= 10 Spd=12  MxCh= 0
D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=03f0 ProdID=0601 Rev= 1.00
S:  Manufacturer=Hewlett-Packard
S:  Product=HP ScanJet 6300C
S:  SerialNumber=xxxxxxxxxx
C:* #Ifs= 1 Cfg#= 1 Atr=60 MxPwr=  0mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=00(>ifc ) Sub=00 Prot=00 Driver=(none)
E:  Ad=81(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  16 Ivl=0ms
E:  Ad=83(I) Atr=03(Int.) MxPS=   1 Ivl=250ms
...

it works OK with kernel-2.6.20

can update udev to version 111 help solve this problem ???

xboom



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