Re: Garbage on serial console after serial driver loads

2005-04-18 Thread David Woodhouse
On Wed, 2005-04-13 at 12:45 +, Paul Slootman wrote: > Phil Oester <[EMAIL PROTECTED]> wrote: > >On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: > >> Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages > >> ago) changes the prescaler setting for this device so

Re: Garbage on serial console after serial driver loads

2005-04-18 Thread Phil Oester
On Wed, Apr 13, 2005 at 12:45:51PM +, Paul Slootman wrote: > We have a variety of Dell rackmount systems, also on Cyclades, and see > this mess everywhere. > > I had reported this problem a little while ago, see > http://marc.theaimsgroup.com/?l=linux-kernel=111036598927105=2 > but

Re: Garbage on serial console after serial driver loads

2005-04-18 Thread Phil Oester
On Wed, Apr 13, 2005 at 12:45:51PM +, Paul Slootman wrote: We have a variety of Dell rackmount systems, also on Cyclades, and see this mess everywhere. I had reported this problem a little while ago, see http://marc.theaimsgroup.com/?l=linux-kernelm=111036598927105w=2 but unfortunately

Re: Garbage on serial console after serial driver loads

2005-04-18 Thread David Woodhouse
On Wed, 2005-04-13 at 12:45 +, Paul Slootman wrote: Phil Oester [EMAIL PROTECTED] wrote: On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages ago) changes the prescaler setting for this device so we can use

Re: Garbage on serial console after serial driver loads

2005-04-13 Thread Paul Slootman
Phil Oester <[EMAIL PROTECTED]> wrote: >On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: >> Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages >> ago) changes the prescaler setting for this device so we can use the >> higher speed baud rates. This means any

Re: Garbage on serial console after serial driver loads

2005-04-13 Thread Paul Slootman
Phil Oester [EMAIL PROTECTED] wrote: On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages ago) changes the prescaler setting for this device so we can use the higher speed baud rates. This means any programmed

Re: Garbage on serial console after serial driver loads

2005-03-28 Thread Dave Airlie
> > > > Seems like you are correct, given the below patch fixes the garbage > > output for me. > > David, > > Is this patch ok for you? Just an aside, I've had this patch in my own internal tree for over a year I never thought it would be kernel acceptable... but I noticed this problem a long

Re: Garbage on serial console after serial driver loads

2005-03-28 Thread Russell King
On Mon, Mar 28, 2005 at 09:36:52AM -0800, Phil Oester wrote: > On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: > > Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages > > ago) changes the prescaler setting for this device so we can use the > > higher speed baud

Re: Garbage on serial console after serial driver loads

2005-03-28 Thread Phil Oester
On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: > Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages > ago) changes the prescaler setting for this device so we can use the > higher speed baud rates. This means any programmed divisor (programmed > at early serial

Re: Garbage on serial console after serial driver loads

2005-03-28 Thread Phil Oester
On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages ago) changes the prescaler setting for this device so we can use the higher speed baud rates. This means any programmed divisor (programmed at early serial

Re: Garbage on serial console after serial driver loads

2005-03-28 Thread Russell King
On Mon, Mar 28, 2005 at 09:36:52AM -0800, Phil Oester wrote: On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages ago) changes the prescaler setting for this device so we can use the higher speed baud rates. This

Re: Garbage on serial console after serial driver loads

2005-03-28 Thread Dave Airlie
Seems like you are correct, given the below patch fixes the garbage output for me. David, Is this patch ok for you? Just an aside, I've had this patch in my own internal tree for over a year I never thought it would be kernel acceptable... but I noticed this problem a long time ago

Re: Garbage on serial console after serial driver loads

2005-03-27 Thread Jan Engelhardt
Hi, I have come across a 16550A myself (in VMware) and so, tested it. Linux reports it as a "16550A" while OpenBSD says it's a "NS16550A" -- output to this serial console (vmware: file) works fine, though. My real box's serial is also a 16550A but havenot tested that- got no cable. Jan

Re: Garbage on serial console after serial driver loads

2005-03-27 Thread Jan Engelhardt
Hi, I have come across a 16550A myself (in VMware) and so, tested it. Linux reports it as a 16550A while OpenBSD says it's a NS16550A -- output to this serial console (vmware: file) works fine, though. My real box's serial is also a 16550A but havenot tested that- got no cable. Jan Engelhardt

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Phil Oester
On Sat, Mar 26, 2005 at 04:37:29PM +, Russell King wrote: > > serio: i8042 AUX port at 0x60,0x64 irq 12 > > serio: i8042 KBD port at 0x60,0x64 irq 1 > > Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled Garbage here Sorry -- I was relying upon my (flawed) memory of

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Phil Oester
On Sat, Mar 26, 2005 at 04:37:29PM +, Russell King wrote: > > But intererstingly, on identical boxes, the garbage only appears on > > those hooked up to a PortMaster device - those using a Cyclades never > > display this problem. (???) > > Sorry, I don't understand your scenarios. Can you

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Russell King
On Sat, Mar 26, 2005 at 07:55:49AM -0800, Phil Oester wrote: > On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: > > Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages > > ago) changes the prescaler setting for this device so we can use the > > higher speed baud

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Phil Oester
On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: > Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages > ago) changes the prescaler setting for this device so we can use the > higher speed baud rates. This means any programmed divisor (programmed > at early serial

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Russell King
On Sat, Mar 26, 2005 at 11:16:09AM +0100, Jan Engelhardt wrote: > >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

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Luca
Il Sat, Mar 26, 2005 at 11:16:09AM +0100, Jan Engelhardt ha scritto: > >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

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Jan Engelhardt
>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 Does it work if you set the baud rate manually, as

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Jan Engelhardt
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 Does it work if you set the baud rate manually, as a

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Luca
Il Sat, Mar 26, 2005 at 11:16:09AM +0100, Jan Engelhardt ha scritto: 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

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Russell King
On Sat, Mar 26, 2005 at 11:16:09AM +0100, Jan Engelhardt wrote: 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)

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Phil Oester
On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages ago) changes the prescaler setting for this device so we can use the higher speed baud rates. This means any programmed divisor (programmed at early serial

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Russell King
On Sat, Mar 26, 2005 at 07:55:49AM -0800, Phil Oester wrote: On Sat, Mar 26, 2005 at 03:10:05PM +, Russell King wrote: Doesn't matter. The problem is that dwmw2's NS16550A patch (from ages ago) changes the prescaler setting for this device so we can use the higher speed baud rates.

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Phil Oester
On Sat, Mar 26, 2005 at 04:37:29PM +, Russell King wrote: But intererstingly, on identical boxes, the garbage only appears on those hooked up to a PortMaster device - those using a Cyclades never display this problem. (???) Sorry, I don't understand your scenarios. Can you explain

Re: Garbage on serial console after serial driver loads

2005-03-26 Thread Phil Oester
On Sat, Mar 26, 2005 at 04:37:29PM +, Russell King wrote: serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled Garbage here Sorry -- I was relying upon my (flawed) memory of the

Re: Garbage on serial console after serial driver loads

2005-03-25 Thread Luca
Il Fri, Mar 25, 2005 at 08:38:53PM +, 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

Re: Garbage on serial console after serial driver loads

2005-03-25 Thread Russell King
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

Garbage on serial console after serial driver loads

2005-03-25 Thread Luca
Hi, 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. This is the relevant part of

Re: Garbage on serial console after serial driver loads

2005-03-25 Thread Russell King
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

Re: Garbage on serial console after serial driver loads

2005-03-25 Thread Luca
Il Fri, Mar 25, 2005 at 08:38:53PM +, 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