Messages in this thread | | | Subject | RE: kernel oops with extended serial stuff turned on... | Date | Wed, 18 Oct 2006 16:07:21 -0500 | From | <> |
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Should that be made a permanent patch then?
-----Original Message----- From: Kilau, Scott [mailto:Scott_Kilau@digi.com] Sent: Wednesday, October 18, 2006 3:33 PM To: Chandler, Greg Cc: linux-kernel@vger.kernel.org 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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