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Dears, what is the status/plans on finally fixing this problem? I tried root/xrootd that came along with CMSSW_4_2_0 and I'm still getting the segfault. (apologies for reposting, no answers last time https://hypernews.cern.ch/HyperNews/CMS/get/edmFramework/2715/2.html ) Cheers, Tomasz Peter Elmer pisze: > Hi Lukasz, > > On Thu, Mar 03, 2011 at 02:13:19PM +0100, Lukasz Janyst wrote: >> I have been already contacted by Brian about this issue. This is >> one of the reasons why the final version of the patch that has made it >> to the xroot repository is sligthly different that the one you got: >> the fork handlers are disabled by default and one can enable them by >> setting an environment flag: >> >> http://xrootd.cern.ch/cgi-bin/cgit.cgi/xrootd/patch/?id=953079e8605f58f0500e6b4ed774a8ed91a75671 >> >> I can also add the check suggested by Chris just to be extra careful. > > Ok, it looks like the environment for this fix is something we can turn > on programmatically (and not via an envvar, which we don't use for > configuration), is that correct? What is the reason for making it disabled > by default? Is there a penalty for using it in the non-fork cases or is > this just "caution" because it is a new/experimental feature? > > Brian, can you look to see if we should move to an updated patch? (Based > on the final version above plus Chris patch if Lukasz thinks it is still > worth adding it.) > > thanks, > Pete > > ------------------------------------------------------------------------- > Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644 > Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland > -------------------------------------------------------------------------