RE: kernel oops with extended serial stuff turned on...

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Should that be made a permanent patch then? 

-----Original Message-----
From: Kilau, Scott [mailto:[email protected]] 
Sent: Wednesday, October 18, 2006 3:33 PM
To: Chandler, Greg
Cc: [email protected]
Subject: RE: kernel oops with extended serial stuff turned on...

Hi Greg,

> kobject_add failed for ttyM0 with -EEXIST, don't try to register
things
> with the same name in the same directory.
> [<c01f4fe2>] kobject_add+0xd2/0xe0
> [<c02a4e8f>] class_device_add+0x9f/0x2a0 [<c02a5117>] 
> class_device_create+0x77/0x90 [<c02423ff>] 
> tty_register_device+0x5f/0x70 [<c02a5c9c>] kobj_map+0xec/0x100 
> [<c015493d>] cdev_add+0x1d/0x30 [<c02426ea>] 
> tty_register_driver+0x19a/0x1b0 [<c0272e4c>] 
> isicom_register_tty_driver+0xac/0xd0


I saw this same warning/problem in my out-of-tree drivers when the
"TTY_DRIVER_NO_DEVFS" flag went away somewhere between 2.6.17 and
2.6.18.

You need to change this line:

isicom_normal->flags                    = TTY_DRIVER_REAL_RAW;

To:

isicom_normal->flags                    = TTY_DRIVER_REAL_RAW |
TTY_DRIVER_DYNAMIC_DEV;

In the "drivers/char/isicom.c" file.

Scott




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