Re: 2.6.0-test11 -- Failed to open /dev/ttyS0: No such device

[Jacek Kawa <jfk@zeus.polsl.gliwice.pl>]

Steve Youngs wrote:

>   >>I _think_ this patch will bring back auto-loading of the serial module
>   >>for you.  Please let me know how it goes. 
> 
>   JK> Well: patched, installed new serial_core.ko, then depmod -a, and
>   JK> try to access ttySwhatever.
> 
> As Russell said, the patch was wrong, revert it.  Sorry about that, my
> bad. 

Nothing bad happened :)

> I'm pretty sure that the problem has its roots in...

> --- a/fs/char_dev.c	Sun Nov 23 17:33:38 2003
> +++ b/fs/char_dev.c	Sun Nov 23 17:33:38 2003
> @@ -434,7 +434,7 @@
>  
>  static struct kobject *base_probe(dev_t dev, int *part, void *data)
>  {
> -	request_module("char-major-%d", MAJOR(dev));
> +	request_module("char-major-%d-%d", MAJOR(dev), MINOR(dev));
>  	return NULL;
>  }
> ...from Rusty, which went into 2.6.0-test10.

> Does this work any better?

> --- linux-2.6.0-test11/drivers/serial/8250.c	2003-11-27 11:03:42.000000000 +1000
> +++ linux-2.6.0-test11-sy/drivers/serial/8250.c	2003-12-01 11:40:44.000000000 +1000
[...]
> @@ -2195,3 +2196,4 @@
>  MODULE_PARM(force_rsa, "1-" __MODULE_STRING(PORT_RSA_MAX) "i");
>  MODULE_PARM_DESC(force_rsa, "Force I/O ports for RSA");
>  #endif
> +MODULE_ALIAS_CHARDEV_MAJOR(TTY_MAJOR);

1. Yup, with first patch revertet everything works as before
2. With both patch applied I don't have to manually load
   any module (8250 and serial_core are autoloaded), but
   my pseudomodule serial isn't loaded anymore.

Thanks!

bye

-- 
Jacek Kawa  **SPAM - Stowarzyszenie Polskich Artystów Muzyków**