Re: Christmas list for the kernel

Bill Davidsen
2005-11-28T19:14:04Z

Russell King wrote:
> On Wed, Nov 23, 2005 at 12:21:27PM -0500, Gene Heskett 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 $ 2 ports, IRQ sharing enabled
>>ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>>ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>>ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>>ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>>ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>>ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>>
>>I had posted about this before, but it was apparently lost in the lists
>>general noise. I do use both ports here, and they are working, so I
>>hadn't pursued it further.
>
>
> So has the answer. I've answered this twice today, and several times
> in bugzilla. It's one reason why these lines are now prefixed with
> "serial8250" - that being the struct device to which they end up being
> associated with. (defaulting to "serial8250" for power management
> purposes if no other exists.)
>
Am I being slow? These messages are repeated three times because they
are prefixed? 2.6.14 also presented the info several times:

PNP: PS/2 Controller [PNP0303:KBC,PNP0f13:MICE] at 0x60,0x64 irq 1,12
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 $ 4 ports, IRQ sharing disabled
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
pnp: the driver 'serial' has been registered
pnp: match found with the PnP device '00:09' and the driver 'serial'
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A

I don't have a 2.6.15 flavor system handy at the moment, my bleeding
edge system is being OpenSolaris today :-( Is there value to having this
apparently duplicate information displayed? It looks like babble, or
worse some init code being called multiple times, if this is as it
should be, or useful to some developer fine, I just don't quite read
that into your answer saying it's prefixed. And I don't see serial8250
in Gene's post or my dmesg.
--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me