linux-mips
[Top] [All Lists]

null TTY error

To: <linux-mips@oss.sgi.com>
Subject: null TTY error
From: "kjlin" <kj.lin@viditec-netmedia.com.tw>
Date: Sun, 2 Jan 2000 10:34:23 +0800
Sender: owner-linux-mips@oss.sgi.com
Hi all,
 
Porting the kernel 2.4.1 to my MIPS embedded board,
i encountered a TTY problem.
When the printf is putted in a large loop, such as a 100 times loop,
the kernel error message "Warning: null TTY for (ff:ff) in tty_write" appears.
However, if just one or two printf are used, everything is fine.
Does this problem concern with my serial driver?
I wrote my serial driver based on driver/char/serial.c.
Can someone give me a hint that where should be checked over?
 
Thanks.
 
 
<Prev in Thread] Current Thread [Next in Thread>
  • null TTY error, kjlin <=