http://publib.boulder.ibm.com/infocenter/tivihelp/v2r1/index.jsp?topic=/com. ibm.itame3.doc_5.1/am51_perftune113.htm
" It is a good idea to unset the LDR_CNTRL environment variable, so that it does not unintentionally affect other processes. " Regards, ---------------------------------------- Glen Batchelor IT Director/CIO/CTO All-Spec Industries phone: (910) 332-0424 fax: (910) 763-5664 E-mail: webmas...@all-spec.com Web: http://www.all-spec.com Blog: http://blog.all-spec.com ---------------------------------------- > -----Original Message----- > From: u2-users-boun...@listserver.u2ug.org [mailto:u2-users- > boun...@listserver.u2ug.org] On Behalf Of John Thompson > Sent: Friday, May 06, 2011 2:46 PM > To: U2 Users List > Subject: Re: [U2] Error 4 22 from PHP exec of uv on AIX > > Thanks for all of your replies. > Thanks to Bob Woodward for the shell environment idea. > Thanks to Kevin King for his help. > > Apache sets extra environment variables when compared to the shell of a > regular user. > > One of these environment variables is called: > LDR_CNTRL > Apparently it has something to do with the way AIX handles the memory > space. > See: > > http://publib.boulder.ibm.com/infocenter/javasdk/v6r0/index.jsp?topic=/com > .ibm.java.doc.user.aix32.60/user/aix_ldr_cntrl_page_sizes.html > > Apache seems to set the following when it starts a session: > > LDR_CNTRL=MAXDATA=0x80000000 > > If you set this to "null" in a php script, then Universe will run just > fine. > > Anyone have any ideas on the proper use of LDR_CNTRL? > > > > > > > On Fri, May 6, 2011 at 1:06 PM, George Gallen > <ggal...@wyanokegroup.com>wrote: > > > this sounds like a permissions issue. > > > > probably, the user that apache is running under doesn't have the > > permissions > > to execute the uv program in .../uv/bin > > > > George > > > > > -----Original Message----- > > > From: u2-users-boun...@listserver.u2ug.org [mailto:u2-users- > > > boun...@listserver.u2ug.org] On Behalf Of John Thompson > > > Sent: Friday, May 06, 2011 11:57 AM > > > To: u2-users@listserver.u2ug.org > > > Subject: [U2] Error 4 22 from PHP exec of uv on AIX > > > > > > I thought I would resurrect an old issue I found on the mailing > list... > > > > > > As I am not a mailing list junky (google and web forums have spoiled > > > me), > > > I'm not entirely sure how to reply directly to the old post... > > > > > > Original Post ---------------- > > > From: > > > > > > Ross Morrissey > > > Fri, 24 Jul 2009 14:11:56 -0700 > > > > > > This is a bit of a stumper (for me, anyway). > > > > > > I'm having issues trying to exec uv from PHP on AIX. > > > > > > Things work just fine in Windows (Apache or IIS) or Linux (Apache) so > I > > > know > > > my PHP syntax is fine. > > > > > > On the AIX (5.2 uv 10.2.7) box: > > > > > > Using PHP, I can exec 'echo 1 + 2 | bc' and get 3 > > > I can run this at the shell as user nobody: 'cd /u2/uv/HS.SALES; > > > /u2/uv/bin/uv "display 42"' > > > I can get a CGI script to return 'cd /u2/uv/HS.SALES; /u2/uv/bin/uv > > > "display > > > 42"' correctly > > > > > > With PHP, I can't exec ' /u2/uv/bin/uv "display 42"' (after a chdir). > > > > > > UV throws this error (into the Apache logs): > > > > > > An error has occurred during uniVerse initialization > > > Please contact the system administrator Error code: 4 22 > > > > > > The codes translate into: > > > > > > 4. System V semaphores are probably not configured in the kernel. > > > > > > 22. (EINVAL) Invalid argument. Here are some examples of invalid > > > arguments: dismounting a nonmounted device, mentioning an unknown > > > signal in signal, reading or writing a file for which seek has > > > generated a > > > negative pointer. EINVAL is also set by math functions. > > > > > > Has anyone else bumped into this? IBM support suggested it might be > an > > > issue with SIGTTOU but this seems unlikely to me - especially for a > > > one-line > > > command. PHP is a bit outside their bailiwick. > > > > > > Thanks, Ross. > > > > > > End of Original Post -------------------- > > > > > > > > > I am having the exact same problem. I have tried using nohup before > > > called universe. > > > > > > There is something about when apache calls the php script, then the > > > php script executing universe, that universe does not like... > > > > > > Anyone ever figure out a way around this? > > > > > > > > > -- > > > John Thompson > > > _______________________________________________ > > > U2-Users mailing list > > > U2-Users@listserver.u2ug.org > > > http://listserver.u2ug.org/mailman/listinfo/u2-users > > _______________________________________________ > > U2-Users mailing list > > U2-Users@listserver.u2ug.org > > http://listserver.u2ug.org/mailman/listinfo/u2-users > > > > > > -- > John Thompson > _______________________________________________ > U2-Users mailing list > U2-Users@listserver.u2ug.org > http://listserver.u2ug.org/mailman/listinfo/u2-users _______________________________________________ U2-Users mailing list U2-Users@listserver.u2ug.org http://listserver.u2ug.org/mailman/listinfo/u2-users
