05-11-2006
If it has died and is now a zombie, killing the parent process will cause it to be re-parented to init which will reap it. But if it is sleeping at a high kernel priority, the only general answer is to reboot the system. Since you're on HP-UX, you should use glance to examine the process and determine what it is waiting for. Then there is some chance that you can correct it. For example, if it is trying to close a tape drive that has been powered off, bringing the tape drive back online may allow the close to succeed. Or maybe it is trying to write to /dev/console and someone typed an X-off (control s), so typing an X-on (control q) may allow the write to finish. If it is doing disk i/o to an NFS mounted filesystem with nointr, fixing the NFS server or the network may do it. Or maybe it is a bug in the kernel and so you want to identify what resource it is waiting for and then check for patches that look applicable. This won't help kill the particular process you have now, but patching the kernel would insure it doesn't keep on happening.
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TS(4) Kernel Interfaces Manual TS(4)
NAME
ts - TS-11 magtape interface
SYNOPSIS
/sys/conf/SYSTEM:
NTS ts_drives # TS11
/etc/dtab:
#Name Unit# Addr Vector Br Handler(s) # Comments
ts ? 172520 224 5 tsintr # ts11 driver
major device number(s):
raw: 8
block: 2
minor device encoding:
bits 0003 specify TS drive
bit 0004 specifies no-rewind operation
bit 0010 ignored
DESCRIPTION
The ts-11 combination provides a standard tape drive interface as described in mtio(4). The ts-11 operates only at 1600 bpi, and only one
transport is possible per controller.
FILES
/dev/MAKEDEV script to create special files
/dev/MAKEDEV.local script to localize special files
SEE ALSO
mt(1), tar(1), tp(1), mtio(4), ht(4), tm(4), dtab(5), autoconfig(8)
DIAGNOSTICS
ts%d: no write ring. An attempt was made to write on the tape drive when no write ring was present; this message is written on the termi-
nal of the user who tried to access the tape.
ts%d: not online. An attempt was made to access the tape while it was offline; this message is written on the terminal of the user who
tried to access the tape.
ts%d: hard error bn%d xs0=%b xs1=%b xs2=%b xs3=%b. A hard error occurred on the tape at block bn; status registers 0-3 are printed in
octal and symbolically decoded as bits.
ts%d: addr mod 4 != 0. The address of a TS-11 command packet was not on an even longword boundary.
BUGS
If any non-data error is encountered on non-raw tape, it refuses to do anything more until closed.
The device lives at the same address as a tm-11 tm(4).
3rd Berkeley Distribution January 28, 1988 TS(4)