linux-kernel - [BUG] USB Mass Storage Problem via Linux-2.6.27-rc1/2

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Date:	Thu, 07 Aug 2008 12:19:14 +0300
From:	Tarkan Erimer <tarkan@...one.net.tr>
To:	linux-kernel@...r.kernel.org
Subject: [BUG] USB Mass Storage Problem via Linux-2.6.27-rc1/2

Hi,

When I tried to connect my Sonyericsson K800i in "USB Mass Storage" 
mode, it didn't recognize it as a USB Mass Storage and also freezes the 
"lsusb". These strange behavior exist on both Linux-2.6.27-rc1 and rc2. 
At the logs:

Aug  7 12:05:17 tarkane kernel: usb 5-2: Product: Sony Ericsson K800
Aug  7 12:05:17 tarkane kernel: usb 5-2: Manufacturer: Sony Ericsson
Aug  7 12:05:17 tarkane kernel: usb 5-2: SerialNumber: 3534270171822450
Aug  7 12:05:20 tarkane kernel: cdc_acm 5-2:3.1: ttyACM0: USB ACM device
Aug  7 12:05:20 tarkane kernel: cdc_acm 5-2:3.3: ttyACM1: USB ACM device
Aug  7 12:05:20 tarkane kernel: usbcore: registered new interface driver 
cdc_acm
Aug  7 12:05:20 tarkane kernel: cdc_acm: v0.26:USB Abstract Control 
Model driver for USB modemsand ISDN adapters
Aug  7 12:05:20 tarkane kernel: usb0: register 'cdc_ether' at 
usb-0000:00:1d.3-2, CDC Ethernet Device, 02:80:37:06:03:00
Aug  7 12:05:20 tarkane kernel: usbcore: registered new interface driver 
cdc_ether
Aug  7 12:05:25 tarkane kernel: usb 5-2: USB disconnect, address 2


It seems; at least, it detects my K800i as a phone/modem device; but not 
as a USB Mass Storage. It's perfectly fine under  <=Linux-2.6.26.x 
kernels. Any help I can do to debug it more ?


Tarkan

 
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