Re: awkward usb-to-serial adapter problem -more data!-

2011-08-01 Thread Daniel Gracia
Known facts: * uticom is awful unstable. * uftdi is unstable. New facts: I have got from friday an uplcom quad-port adapter that looks quite stable; as today, I haven't got a single freeze (still testing). Curiously, running systat on both uticom and uftdi drivers throw some 400-ish

Re: awkward usb-to-serial adapter problem -more data!-

2011-08-01 Thread Maurice Janssen
On 08/01/2011 01:47 PM, Daniel Gracia wrote: Known facts: * uticom is awful unstable. * uftdi is unstable. New facts: I have got from friday an uplcom quad-port adapter that looks quite stable; as today, I haven't got a single freeze (still testing). FWIW: I've used a uplcom adapter for a

Re: awkward usb-to-serial adapter problem -more data!-

2011-07-27 Thread Daniel Gracia
Similar problems founds on a uticom usb to 4-port serial adapter. Everything works for several hours, then stops working. This time workload seems to be less involved; just at idle -some keepalive style packets- the soft stops working. No error messages at the console, and

Re: awkward usb-to-serial adapter problem -more data!-

2011-07-27 Thread Daniel Gracia
Without dettaching the device after failure, trying to reconnect to any of the dead serial ports makes console sput: uticom0: uticom_param: STALLED uticom0: uticom_dtr: STALLED uticom0: uticom_rts: STALLED uticom0: uticom_close: STALLED El 27/07/2011 10:34, Daniel Gracia escribis: Similar

Re: awkward usb-to-serial adapter problem -more data!-

2011-07-27 Thread Daniel Gracia
Recompiling kernel with UFTDI_DEBUG, USB_DEBUG, UHCI_DEBUG and UHUB_DEBUG flags the device keeps failing stealthly... No error message appears on console. Any advice will be welcomed :) Beers! El 27/07/2011 10:45, Daniel Gracia escribis: Without dettaching the device after failure, trying

awkward usb-to-serial adapter problem -more data!-

2011-07-26 Thread Daniel Gracia
Here we go again with more info. The facts: -uftdi USB to 4 port serial. -Adaptor attaches fine, works for a while. -After an amount of time, when serial load increases, the driver may fail. -After the failure error is unrecoverable; detaching/reattaching device doesn't work. Must reboot the