Rebuilding ttya and ttyb serial devices for Sun Enterprise[TM]450.

Asset ID:	1-71-1012005.1
Update Date:	2009-09-20
Keywords:

Solution Type Technical Instruction Sure

Solution 1012005.1 : Rebuilding ttya and ttyb serial devices for Sun Enterprise[TM]450.

Related Items


Sun Enterprise 450 Server

Related Categories


GCS>Sun Microsystems>Servers>Entry-Level Servers

PreviouslyPublishedAs
216451

Description
This procedure will create ttya or ttyb serial devices when a reboot (
/etc/reboot -- -r) isn't possible.

Steps to Follow
Rebuilding /dev/term/a or /dev/term/b on UE450.

Term/a
1.) cd /devices/pci@1f,4000/ebus@1
2.) mknod se@14,400000:a c 20 0  <--skip this step and 3,4,5 if
se@14,400000:a exist.
3.) chmod 666 se@14,400000:a
4.) chown root se@14,400000:a
5.) chgrp sys se@14,400000:a
6.) cd /dev/term
7.) ln -s ../../devices/pci@1f,4000/ebus@1/se@14,400000:a a
8.) ls -lL /dev/term/a
crw-rw-rw-   1 root     sys       20,  0 Jul 23 10:58 /dev/term/a
Term/b
1.) cd /devices/pci@1f,4000/ebus@1
2.) mknod se@14,400000:b c 20 1   <--skip this step and 3,4,5 if
se@14,400000:b exist.
3.) chmod 666 se@14,400000:b
4.) chown root se@14,400000:b
5.) chgrp sys se@14,400000:b
6.) cd /dev/term
7.) ln -s ../../devices/pci@1f,4000/ebus@1/se@14,400000:b b
8.) ls -lL /dev/term/b
crw-rw-rw-   1 root     sys       20,  1 Jul 23 10:58 /dev/term/b
Rebuilding /dev/cua/a and /dev/cua/b on UE450
cua/a
1.) cd /devices/pci@1f,4000/ebus@1
2.) mknod se@14,400000:a,cu c 20 131072   <--skip  2,3,4,5 if
se@14,400000:a,cu exist.
3.) chmod 666 se@14,400000:a,cu
4.) chown uucp se@14,400000:a,cu
5.) chgrp uucp se@14,400000:a,cu
6.) cd /dev/cua/
7.) ln -s ../../devices/pci@1f,4000/ebus@1/se@14,400000:a,cu a
8.) ls -lL /dev/cua/a
crw-------   1 uucp     uucp      20,131072 Mar 26 08:45 /dev/cua/a
#
# stty < /dev/cua/a
speed 9600 baud; -parity
rows = 0; columns = 0; ypixels = 0; xpixels = 0;
swtch = <undef>;
brkint -inpck -istrip icrnl -ixany imaxbel onlcr tab3
echo echoe echok echoctl echoke iexten
#
# tip -9600 /dev/cua/a
connected
cua/b
1.) cd /devices/pci@1f,4000/ebus@1
2.) mknod se@14,400000:b,cu c 20 131073 <--skip  2,3,4,5 if
se@14,400000:b,cu exist.
3.) chmod 666 se@14,400000:b,cu
4.) chown uucp se@14,400000:b,cu
5.) chgrp uucp se@14,400000:b,cu
6.) cd /dev/cua/
7.) ln -s ../../devices/pci@1f,4000/ebus@1/se@14,400000:b,cu b
8.) ls -lL /dev/cua/b
crw-------   1 uucp     uucp      20,131073 Mar 26 08:45 /dev/cua/b
#
# stty < /dev/cua/b
speed 9600 baud; -parity
rows = 0; columns = 0; ypixels = 0; xpixels = 0;
swtch = <undef>;
brkint -inpck -istrip icrnl -ixany imaxbel onlcr tab3
echo echoe echok echoctl echoke iexten
#
# tip -9600 /dev/cua/b
connected

Product
Sun Enterprise 450 Server

ttya, cua/a, ttyb, cua/b, serial, device, UE450, rebuild, reboot
Previously Published As
71021

Change History
Date: 2003-07-30
User Name: 11511
Action: Approved
Comment: Fixed product type.
Version: 0
Date: 2003-07-30
User Name: 11511
Action: Approved
Comment: I have updated the product to Sun Enterprise 450.
Please re-publish this article.
Version: 0
Date: 2003-07-30
User Name: 11511
Action: Updated
Comment: Updating product type.
Version: 0
Date: 2003-07-28
User Name: 81292
Action: Approved
Comment: Changed U450 to Trademark name Sun Enterprise TM 450
Version: 0
Product_uuid
29656238-0a18-11d6-91d9-a4e449afd809|Sun Enterprise 450 Server

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