On Fri, 8 Nov 2002, Andrew Brown wrote:

> the numeric wait channel is what you want.  to wake up the sleeping
> process, though, *will* require the use of the debugger.  or an lkm.
> you can't simply call wakeup() from userland.

Can you share any examples (or point me to docs) on doing this?

Would it be useful to have some tool (that works with a lkm or via ddb) to
do this?

For your info, these are my four stuck processes:

------------------- 1 -------------------
%CPU	0.0
%MEM	0.0
ACFLG	0
CPU	0
F	4002
INBLK	0d
JOBC	0
HOLDCNT	0
KTRACE	80000010
KTRACEP	cb7409f4
LIM	-
LOGIN	reed
STARTED	-
MAJFLT	0d
MINFLT	0d
MSGRCV	0d
MSGSND	0d
NI	0
NIVCSW	0d
NSIGS	0d
NSWAP	0d
NVCSW	0d
WCHAN	c03ec040
OUBLK	0d
P_RU	cb60f00c
PADDR	cb64e574
PAGEIN	0
PGID	5998
PID	5998
PPID	1
PRI	-2
RE	127
RGID	0
RLINK	0
RSS	4
RSZ	4
RUID	0
RUSER	root
SESS	8b1bc0
PENDING	24102
CAUGHT	0
IGNORED	98488000
BLOCKED	0
SL	127
STARTED	-
STAT	DW
SVGID	0
SVUID	0
TDEV	5/13
TIME	0:00.00
TGPID	27306
TSESS	c08cf840
TSIZ	184
TT	pd-
TTY	ttypd
UCOMM	umount
UID	0
UPR	50
USER	root
VSZ	224
WCHAN	synclk
XSTAT	0
COMMAND	umount

------------------- 2 -------------------
%CPU	0.0
%MEM	0.0
ACFLG	0
CPU	0
F	4002
INBLK	0d
JOBC	0
HOLDCNT	0
KTRACE	0
KTRACEP	0
LIM	-
LOGIN	reed
STARTED	-
MAJFLT	0d
MINFLT	0d
MSGRCV	0d
MSGSND	0d
NI	0
NIVCSW	0d
NSIGS	0d
NSWAP	0d
NVCSW	0d
WCHAN	c03ec040
OUBLK	0d
P_RU	cb64f014
PADDR	cb9f09fc
PAGEIN	0
PGID	4077
PID	4077
PPID	1
PRI	-2
RE	127
RGID	0
RLINK	0
RSS	4
RSZ	4
RUID	0
RUSER	root
SESS	912300
PENDING	4100
CAUGHT	0
IGNORED	98488000
BLOCKED	0
SL	127
STARTED	-
STAT	DW
SVGID	0
SVUID	0
TDEV	5/36
TIME	0:00.00
TGPID	4417
TSESS	c089ab00
TSIZ	184
TT	r4-
TTY	ttyr4
UCOMM	umount
UID	0
UPR	50
USER	root
VSZ	224
WCHAN	synclk
XSTAT	0
COMMAND	umount

------------------- 3 -------------------
%CPU	0.0
%MEM	0.0
ACFLG	1
CPU	0
F	2
INBLK	0d
JOBC	0
HOLDCNT	0
KTRACE	800001be
KTRACEP	cb740854
LIM	-
LOGIN	heather
STARTED	-
MAJFLT	0d
MINFLT	0d
MSGRCV	0d
MSGSND	0d
NI	0
NIVCSW	0d
NSIGS	0d
NSWAP	0d
NVCSW	0d
WCHAN	c0952150
OUBLK	0d
P_RU	cb60f008
PADDR	cb7cd3b8
PAGEIN	0
PGID	4223
PID	4224
PPID	1
PRI	-2
RE	127
RGID	0
RLINK	0
RSS	4
RSZ	4
RUID	0
RUSER	root
SESS	8442c0
PENDING	44100
CAUGHT	60004eff
IGNORED	98489000
BLOCKED	4000
SL	127
STARTED	-
STAT	DW
SVGID	0
SVUID	0
TDEV	5/261
TIME	0:00.00
TGPID	25148
TSESS	c08ad6c0
TSIZ	64
TT	pl-
TTY	ttypl
UCOMM	shlight
UID	0
UPR	50
USER	root
VSZ	252
WCHAN	mntwcnt2
XSTAT	0
COMMAND	/usr/pk

------------------- 4 -------------------
%CPU	0.0
%MEM	0.0
ACFLG	0
CPU	0
F	4002
INBLK	0d
JOBC	0
HOLDCNT	0
KTRACE	0
KTRACEP	0
LIM	-
LOGIN	heather
STARTED	-
MAJFLT	0d
MINFLT	0d
MSGRCV	0d
MSGSND	0d
NI	0
NIVCSW	0d
NSIGS	0d
NSWAP	0d
NVCSW	0d
WCHAN	c0952000
OUBLK	0d
P_RU	cb60f050
PADDR	cb9410b4
PAGEIN	0
PGID	4331
PID	4331
PPID	1
PRI	-2
RE	127
RGID	0
RLINK	0
RSS	4
RSZ	4
RUID	0
RUSER	root
SESS	936000
PENDING	4103
CAUGHT	0
IGNORED	98488000
BLOCKED	0
SL	127
STARTED	-
STAT	DW
SVGID	0
SVUID	0
TDEV	5/262
TIME	0:00.00
TGPID	23708
TSESS	c091c180
TSIZ	4
TT	pm-
TTY	ttypm
UCOMM	unshlight
UID	0
UPR	50
USER	root
VSZ	28
WCHAN	vfs_busy
XSTAT	0
COMMAND	/usr/pk


Thank you Isildur and Andrew for your comments.

(Please continue to Cc me.)

   Jeremy C. Reed
   http://bsd.reedmedia.net/