Your message dated Sat, 6 Jul 2013 18:00:34 +0200
with message-id <[email protected]>
and subject line Closing
has caused the Debian Bug report #685200,
regarding base: ftdi_sio stop working after several hours
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
685200: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685200
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: base
Severity: grave
Justification: renders package unusable

I control a four relays board throught an USB cable connected to a
Xen Dom0 running Debian 6.0.5.

It works great: I can switch on and off the relays through some "echo"
into /dev/ttyUSB0 (echo -e "\xff\x01\x01" > /dev/ttyUSB0).

I added a crontab to send such echo every 15 minutes. It works great at
the begining.

But after some hours, I get this error message in /var/log/syslog each time I 
"echo" to ttyUSB0:
#---------------------8<----------------------8<----------------------
Aug 18 09:04:32 zen kernel: [1677762.865609] ftdi_sio ttyUSB0: Unable to write 
latency timer: -62
Aug 18 09:04:32 zen kernel: [1677762.869623] ftdi_sio ttyUSB0: ftdi_set_termios 
FAILED to set databits/stopbits/parity
Aug 18 09:04:32 zen kernel: [1677762.871604] ftdi_sio ttyUSB0: ftdi_set_termios 
urb failed to set baudrate
Aug 18 09:04:32 zen kernel: [1677762.875622] ftdi_sio ttyUSB0: urb failed to 
clear flow control
Aug 18 09:04:32 zen kernel: [1677762.879604] ftdi_sio ttyUSB0: urb failed to 
clear flow control
Aug 18 09:04:32 zen kernel: [1677762.881620] ftdi_sio ttyUSB0: error from 
flowcontrol urb
Aug 18 09:04:32 zen kernel: [1677762.885623] ftdi_sio ttyUSB0: Unable to write 
latency timer: -62
Aug 18 09:04:32 zen kernel: [1677762.889637] ftdi_sio ttyUSB0: ftdi_set_termios 
FAILED to set databits/stopbits/parity
Aug 18 09:04:32 zen kernel: [1677762.891622] ftdi_sio ttyUSB0: ftdi_set_termios 
urb failed to set baudrate
Aug 18 09:04:32 zen kernel: [1677762.895616] ftdi_sio ttyUSB0: urb failed to 
clear flow control
Aug 18 09:04:32 zen kernel: [1677762.903189] ftdi_sio ttyUSB0: error from 
flowcontrol urb
#---------------------8<----------------------8<----------------------

I have to unplug the USB cable and plug it back to get it to work again.

Unplug:
#---------------------8<----------------------8<----------------------
Aug 18 09:04:46 zen kernel: [1677777.053078] usb 3-3: USB disconnect, address 17
Aug 18 09:04:46 zen kernel: [1677777.053233] ftdi_sio ttyUSB0: FTDI USB Serial 
Device converter now disconnected from ttyUSB0
Aug 18 09:04:46 zen kernel: [1677777.053248] ftdi_sio 3-3:1.0: device 
disconnected
#---------------------8<----------------------8<----------------------

Plug:
#---------------------8<----------------------8<----------------------
Aug 18 09:04:49 zen kernel: [1677779.816320] usb 3-3: new full speed USB device 
using ohci_hcd and address 18
Aug 18 09:04:49 zen kernel: [1677779.998248] usb 3-3: New USB device found, 
idVendor=0403, idProduct=6001
Aug 18 09:04:49 zen kernel: [1677779.998260] usb 3-3: New USB device strings: 
Mfr=1, Product=2, SerialNumber=3
Aug 18 09:04:49 zen kernel: [1677779.998270] usb 3-3: Product: FT232R USB UART
Aug 18 09:04:49 zen kernel: [1677779.998278] usb 3-3: Manufacturer: FTDI
Aug 18 09:04:49 zen kernel: [1677779.998284] usb 3-3: SerialNumber: AH01IAGC
Aug 18 09:04:49 zen kernel: [1677780.006100] usb 3-3: configuration #1 chosen 
from 1 choice
Aug 18 09:04:49 zen kernel: [1677780.013642] ftdi_sio 3-3:1.0: FTDI USB Serial 
Device converter detected
Aug 18 09:04:49 zen kernel: [1677780.013712] usb 3-3: Detected FT232RL
Aug 18 09:04:49 zen kernel: [1677780.013720] usb 3-3: Number of endpoints 2
Aug 18 09:04:49 zen kernel: [1677780.013728] usb 3-3: Endpoint 1 MaxPacketSize 
64
Aug 18 09:04:49 zen kernel: [1677780.013736] usb 3-3: Endpoint 2 MaxPacketSize 
64
Aug 18 09:04:49 zen kernel: [1677780.013744] usb 3-3: Setting MaxPacketSize 64
Aug 18 09:04:49 zen kernel: [1677780.015289] usb 3-3: FTDI USB Serial Device 
converter now attached to ttyUSB0
#---------------------8<----------------------8<----------------------

The first times I echo to ttyUSB0 after plugin it, the log shows this:
#---------------------8<----------------------8<----------------------
Aug 18 09:09:36 zen kernel: [1678067.020400] hub 3-0:1.0: port 3 disabled by 
hub (EMI?), re-enabling...
Aug 18 09:09:36 zen kernel: [1678067.020439] usb 3-3: USB disconnect, address 21
Aug 18 09:09:36 zen kernel: [1678067.020793] ftdi_sio ttyUSB0: FTDI USB Serial 
Device converter now disconnected from ttyUSB0
Aug 18 09:09:36 zen kernel: [1678067.020839] ftdi_sio 3-3:1.0: device 
disconnected
Aug 18 09:09:37 zen kernel: [1678067.292977] usb 3-3: new full speed USB device 
using ohci_hcd and address 22
Aug 18 09:09:37 zen kernel: [1678067.477915] usb 3-3: New USB device found, 
idVendor=0403, idProduct=6001
Aug 18 09:09:37 zen kernel: [1678067.477922] usb 3-3: New USB device strings: 
Mfr=1, Product=2, SerialNumber=3
Aug 18 09:09:37 zen kernel: [1678067.477927] usb 3-3: Product: FT232R USB UART
Aug 18 09:09:37 zen kernel: [1678067.477930] usb 3-3: Manufacturer: FTDI
Aug 18 09:09:37 zen kernel: [1678067.477933] usb 3-3: SerialNumber: AH01IAGC
Aug 18 09:09:37 zen kernel: [1678067.479088] usb 3-3: configuration #1 chosen 
from 1 choice
Aug 18 09:09:37 zen kernel: [1678067.483994] ftdi_sio 3-3:1.0: FTDI USB Serial 
Device converter detected
Aug 18 09:09:37 zen kernel: [1678067.484068] usb 3-3: Detected FT232RL
Aug 18 09:09:37 zen kernel: [1678067.484072] usb 3-3: Number of endpoints 2
Aug 18 09:09:37 zen kernel: [1678067.484076] usb 3-3: Endpoint 1 MaxPacketSize 
64
Aug 18 09:09:37 zen kernel: [1678067.484079] usb 3-3: Endpoint 2 MaxPacketSize 
64
Aug 18 09:09:37 zen kernel: [1678067.484083] usb 3-3: Setting MaxPacketSize 64
Aug 18 09:09:37 zen kernel: [1678067.486127] usb 3-3: FTDI USB Serial Device 
converter now attached to ttyUSB0
#---------------------8<----------------------8<----------------------



-- System Information:
Debian Release: 6.0.5
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-xen-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL 
set to en_US.utf8)
Shell: /bin/sh linked to /bin/dash

--- End Message ---
--- Begin Message ---
Hi,
your bug has been filed against the "linux-2.6" source package and was filed for
a kernel older than the recently released Debian 7.x / Wheezy with a severity
less than important.

We don't have the ressources to reproduce the complete backlog of all older 
kernel
bugs, so we're closing this bug for now. If you can reproduce the bug with 
Debian Wheezy
or a more recent kernel from testing or unstable, please reopen the bug by 
sending
a mail to [email protected] with the following three commands included in 
the
mail:

reopen BUGNUMBER
reassign BUGNUMBER src:linux
thanks

Cheers,
        Moritz

--- End Message ---

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