linux-kernel - [BUG] 2.6.24-git usb reset problems

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Message-ID: <20080128204935.GI15220@kernel.dk>
Date:	Mon, 28 Jan 2008 21:49:35 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	linux-kernel@...r.kernel.org, greg@...ah.com
Subject: [BUG] 2.6.24-git usb reset problems

Hi,

Running latest -git (head 91525300baf162e83e923b09ca286f9205e21522) and
connecting my cf usb storage device yields and endless stream of:

Initializing USB Mass Storage driver...
scsi6 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
scsi 6:0:0:0: Direct-Access     Generic  STORAGE DEVICE   0125 PQ: 0
ANSI: 0
sd 6:0:0:0: [sdb] 4001760 512-byte hardware sectors (2049 MB)
sd 6:0:0:0: [sdb] Write Protect is off
sd 6:0:0:0: [sdb] Mode Sense: 02 00 00 00
sd 6:0:0:0: [sdb] Assuming drive cache: write through
sd 6:0:0:0: [sdb] 4001760 512-byte hardware sectors (2049 MB)
sd 6:0:0:0: [sdb] Write Protect is off
sd 6:0:0:0: [sdb] Mode Sense: 02 00 00 00
sd 6:0:0:0: [sdb] Assuming drive cache: write through
 sdb: sdb1
sd 6:0:0:0: [sdb] Attached SCSI removable disk
sd 6:0:0:0: Attached scsi generic sg1 type 0
scsi 6:0:0:1: Direct-Access     Generic  STORAGE DEVICE   0125 PQ: 0
ANSI: 0
usb 5-1: reset high speed USB device using ehci_hcd and address 2
usb 5-1: reset high speed USB device using ehci_hcd and address 2
usb 5-1: reset high speed USB device using ehci_hcd and address 2
usb 5-1: reset high speed USB device using ehci_hcd and address 2
usb 5-1: reset high speed USB device using ehci_hcd and address 2
usb 5-1: reset high speed USB device using ehci_hcd and address 2
usb 5-1: reset high speed USB device using ehci_hcd and address 2
[...]

until I disconnect it. The device doesn't work. Worked fine in 2.6.24.
I'm attaching boot messages and my .config.

-- 
Jens Axboe

View attachment "boot.msg" of type "text/plain" (21258 bytes)

Download attachment ".config" of type "application/x-config" (37078 bytes)