Fellow Admins,
Sorry it took so long to get a summary out on this,
but the problem happens so infrequently it took quite
awhile to test some of the responses.
Original post:
> Fellow Admins,
> Have any of you experienced a printer problem that
> results in the following error?
>
> Warning: distlw is down: waiting for lock on /dev/ttyh5
>
> It only happens occasionally but is impossible to fix
> without a system reboot. The normal methods of restarting
> a printer(lpc abort/start, kill & restart lpd) don't seem
> to work on this problem. It only happens when the printer
> needs to be powered off for any reason. But not every time.
>
> Not a major concern, just a real PITA when it happens. I
> really hate rebooting a server to fix a printer. Any help/
> suggestions would be appreciated.
>
> Thanks!
Responses:
1) Kill printer daemon, remove device, remake device and restart daemon
-Most frequent response, but did not work in my case.
2)"Stuck" filter program - abort printer, kill filter, restart printer
-2nd most frequent response, and did fix the problem on occasion;
at other times I've still had to reboot.
3) DTR problem. Try patch 100358-01
-Will be applying this shortly
4) Two printers using the same device
-Did not apply
5) Abort printer, kill pscomm, restart printer
-Did not apply
6) Run /etc/load.drivers
-Did not apply
7) Set device speed to 0 - stty 0 > /dev/ttyh5
-Did not help
8) from Sun PAL: this is a known problem and there is
no solution other than to reboot the server.
-From a respondent;did not contact Sun PAL myself
Will be happy to forward all responses to anyone who requests it.
Thanks to:
paul@hydres.uucp
peter@essex.ac.uk
Ray.Brownrigg@isor.vuw.ac.nz
blymn@awadi.com.AU
mark@isis.Berkeley.EDU
phillips@athena.Qualcomm.COM
tpriddy@mipos3.intel.com
densond@hydro.cor2.epa.gov
jim@piggy.ucsb.edu
terralyn@solum.cor2.epa.gov
cyerkes@jpmorgan.com
cfoley@arsenic.cray.com
edguer@alpha.CES.CWRU.Edu
swlodin@kocrsv01.delcoelect.com
wally@water.agen.ufl.edu
Gregory.A.Parmer@acenet.auburn.edu
john@toshiba.tic.OZ.AU
heiser@tdw901.ed.ray.com
mikulska@astro.Princeton.EDU
Don Cunningham System Support Specialist
SunExpress, Inc. email:don.cunningham@East.Sun.COM
300 Griffin Brook Drive Phone:508-837-6254
Methuen, MA 01844 FAX:508-837-6400
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