Hi,

with kernel 2.6.20-16-generic, the stick is working when plugged in for
the first time, although only after several scanning attempts:

[  218.415370] usb 1-2: new full speed USB device using uhci_hcd and address 6
[  218.919140] usb 1-2: new full speed USB device using uhci_hcd and address 7
[  219.422917] usb 1-2: new full speed USB device using uhci_hcd and address 8
[  219.926681] usb 1-2: new full speed USB device using uhci_hcd and address 9
[  220.430440] usb 1-2: new full speed USB device using uhci_hcd and address 10
[ ... ]
[  240.581172] usb 1-2: new full speed USB device using uhci_hcd and address 50
[  241.100955] usb 1-2: new full speed USB device using uhci_hcd and address 51
[  241.620684] usb 1-2: new full speed USB device using uhci_hcd and address 52
[  242.112457] usb 1-2: new full speed USB device using uhci_hcd and address 53
[  242.288250] usb 1-2: configuration #1 chosen from 1 choice
[  242.291381] scsi1 : SCSI emulation for USB Mass Storage devices
[  242.291785] usb-storage: device found at 53
[  242.291794] usb-storage: waiting for device to settle before scanning
[  247.291939] usb-storage: device scan complete
[  247.295940] scsi 1:0:0:0: Direct-Access     Hama     FlashPen         6.16 
PQ: 0 ANSI: 0 CCS
[  247.304853] SCSI device sda: 2004991 512-byte hdwr sectors (1027 MB)
[  247.308439] sda: Write Protect is off
[  247.308461] sda: Mode Sense: 45 00 00 08
[  247.308469] sda: assuming drive cache: write through
[  247.317819] SCSI device sda: 2004991 512-byte hdwr sectors (1027 MB)
[  247.320819] sda: Write Protect is off
[  247.320837] sda: Mode Sense: 45 00 00 08
[  247.320849] sda: assuming drive cache: write through
[  247.320869]  sda: sda1
[  247.329966] sd 1:0:0:0: Attached scsi removable disk sda
[  247.330149] sd 1:0:0:0: Attached scsi generic sg1 type 0

On subsequent tries, however, the problem is the same as before, i. e. a
flood of messages of the type above, going on indefinitely.

Might it be some kind of timing problem, like the uhci_hcd driver
polling the device, but not waiting long enough for an answer?

Regards, Fabian

-- 
uhci_hcd generates flood of kernel messages while failing to mount usb stick
https://bugs.launchpad.net/bugs/50757
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