On Wed, 2010-08-11 at 19:11 +0200, Joost Yervante Damad wrote: > Package: linux-image-2.6.32-5-amd64 > Version: 2.6.32-18 > Severity: normal > > --- Please enter the report below this line. --- > > This version breaks the FTDI usb serial driver as is used to upload software > on an Arduino Duemilanove with avrdude. > > Booting with an the older kernel linux-image-2.6.31-1-amd64 > > 2.6.31-2 it works again. > > relevant parts of dmesg with failing kernel: > > when plugging in: > > [ 5849.356402] USB Serial support registered for FTDI USB Serial Device > [ 5849.356555] ftdi_sio 7-1:1.0: FTDI USB Serial Device converter detected > [ 5849.356625] usb 7-1: Detected FT232RL > [ 5849.356627] usb 7-1: Number of endpoints 2 > [ 5849.356630] usb 7-1: Endpoint 1 MaxPacketSize 64 > [ 5849.356632] usb 7-1: Endpoint 2 MaxPacketSize 64 > [ 5849.356634] usb 7-1: Setting MaxPacketSize 64 > [ 5849.358115] usb 7-1: FTDI USB Serial Device converter now attached to > ttyUSB0 > [ 5849.358132] usbcore: registered new interface driver ftdi_sio > [ 5849.358134] ftdi_sio: v1.5.0:USB FTDI Serial Converters Driver
And then there is a gap of 12 seconds, before: > [ 5861.333055] ftdi_sio ttyUSB0: ftdi_submit_read_urb - failed submitting > read > urb, error -1 This error message appears whenever the device is closed (which is a bug, but a minor one). > when trying to upload a new software sketch avrdude says this: > > avrdude: stk500_recv(): programmer is not responding Can you reproduce this, i.e. have you tried this several times and seen the same failure? Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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