Hello... When I try to read or write to the ports ttyS1 or ttyS2, I get an input/output error.
That's basically it. -----Original Message----- From: elinux-MinnowBoard [mailto:[email protected]] On Behalf Of John Hawley Sent: lunes, 01 de junio de 2015 04:25 p.m. To: [email protected] Subject: Re: [MinnowBoard] UART ports configuration issues On 06/01/2015 12:42 PM, Orozco, Edgar Alexis wrote: > Hello everybody! > > > > I am experiencing an issue with UART ports: here's the output of > setserial -ag /dev/ttyS* > > > > /dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4 > > Baud_base: 115200, close_delay: 50, divisor: 0 > > closing_wait: 3000 > > Flags: spd_normal skip_test auto_irq > > > > /dev/ttyS1, Line 1, UART: unknown, Port: 0x02f8, IRQ: 3 > > Baud_base: 115200, close_delay: 50, divisor: 0 > > closing_wait: 3000 > > Flags: spd_normal skip_test auto_irq > > > > /dev/ttyS2, Line 2, UART: unknown, Port: 0x03e8, IRQ: 4 > > Baud_base: 115200, close_delay: 50, divisor: 0 > > closing_wait: 3000 > > Flags: spd_normal skip_test auto_irq > > > > /dev/ttyS3, Line 3, UART: unknown, Port: 0x02e8, IRQ: 3 > > Baud_base: 115200, close_delay: 50, divisor: 0 > > closing_wait: 3000 > > Flags: spd_normal auto_irq > > > > ttyS0 is working OK since I am using it as a serial console. > > I noticed that the dmesg output was commonly showing "ttySX MMIO at > 0x<address>". Not anymore!. > > I thought it was related to a BIOS configuration (just like Intel > NUC's)... but I was not able to find something related to it. > > > > Any thoughts ? > > Thank you very much! Can you just copy paste what it was showing exactly, it's not really clear to me what the problem is or what the error message that's getting reported is... - John 'Warthog9' Hawley _______________________________________________ elinux-MinnowBoard mailing list [email protected] http://lists.elinux.org/mailman/listinfo/elinux-minnowboard **************************************************************************************** Note: If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by replying to the message and deleting it from your computer. Thank you. **************************************************************************************** _______________________________________________ elinux-MinnowBoard mailing list [email protected] http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
