severity 685200 normal reassgin 685200 linux-2.6 thanks # the formatting aint broken in the original report...
On Samstag, 18. August 2012, Mathieu MD wrote: > 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 -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". 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