<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Check the /var/log/cups/error_log file for information - my guess is that either cupsd is restarting (log rotation?) or you've hit the MaxClients[PerHost] limit temporarily. Both get logged...<div><br><div><br><div><div>On Jun 28, 2012, at 1:36 AM, Wilkinson, Hugo (IT Dept) wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<div><font size="2" face="Arial"><span class="249452208-28062012">Good morning/afternoon,</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">Im running Cups 1.4 (i know, i know!) on Solaris 10 SPARC ... 99.9% of the time it performs miraculously doing and behaving exactly as we want.</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">We dont use any filters or drivers, every job is just pure raw files, all through port 9100. The printers are setup with;</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">lpadmin -p <printer> -E -v socket://<printer-host>:9100</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">The jobs themselves are either pure ascii, control-coded ascii, or postscript (some generated from an Adobe Postscript driver, other's hand-written from scratch).</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">The 0.1% of the time it mis-behaves, is when we have a high volume in a very short amount of time (for example, 60 print jobs in a matter of seconds).</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">It appears that we can catch CUPS 'off-guard', like it's busy doing something else, and you throw a print job at it via "lp -d <printer>" and it comes back with: "lp: unable to print file: server-error-service-unavailable"
... </span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">The very next print job, which might literally be milliseconds later, goes through fine.. and so you end up with 59 out of 60 pages printed.</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">There is no discernable pattern to these events apart from I believe it only happens during times of high-volume/density printing, and I think only with the Postscript jobs ... and *maybe* only
those generated from Adobe PS print driver. Trying to replicate the problem is troublesome as usually it works.. But every so often, it just 'happens' ...</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">Any idea's? I would upgrade CUPS, but I dont seem to be able to find another binary release for SPARC architecture except 1.4, and our machine doesnt have internet access to sign-up for Blastwave
such services. Neither do we have the skill-set to easily build from the source :*(</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">Any tips or idea's is most appreciated.</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012"></span></font> </div>
<div><font size="2" face="Arial"><span class="249452208-28062012">Thanks</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012">Regards</span></font></div>
<div><font size="2" face="Arial"><span class="249452208-28062012">Hugo</span></font></div>
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