Messages in this thread | | | Date | Fri, 25 Mar 2005 22:01:32 +0100 | From | Luca <> | Subject | Re: Garbage on serial console after serial driver loads |
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Il Fri, Mar 25, 2005 at 08:38:53PM +0000, Russell King ha scritto: > On Fri, Mar 25, 2005 at 09:24:15PM +0100, Luca wrote: > > I attached a null modem cable to my notebook and I'm seeing garbage as > > soon as the serial driver is loaded. I tried booting with init=/bin/bash > > to be sure that it's not some rc script doing strange things to the > > serial port, but this didn't solve the problem. > > I'm uncertain how this problem can occur, unless you have one of: > > * serial debugging enabled (which isn't compatible with serial console)
Do you mean #define DEBUG in serial_core.c? No.
> * a NS16550A, in which case dwmw2 needs to rework his autodetect code to > adjust the baud rate appropriately.
Well, serial_core seems to think so:
Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled ttyS0 at I/O 0x3f8 (irq = 4) is a NS16550A ttyS1 at I/O 0x2f8 (irq = 3) is a NS16550A ttyS0 at I/O 0x3f8 (irq = 4) is a NS16550A
Luca -- Home: http://kronoz.cjb.net La mia opinione puo` essere cambiata, ma non il fatto che ho ragione. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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