Hi Fabio, On Wed, Jul 01, 2009 at 03:23:56PM +0200, Fabio M. Di Nitto wrote: > Now my question is: did you mangle the configuration you sent me > manually? because there is no matching entry between device to use for a > node and the fencedevices section and I get: Yes, I had to get some internal names out. This is what went wrong: -<fencedevice agent="fence_ilo" hostname="rnode1.foo.bar" login="reboot" name="node1" passwd="pass"/> +<fencedevice agent="fence_ilo" hostname="rnode1.foo.bar" login="reboot" name="fence1" passwd="pass"/> ^^^^^^ (same for node2/fence2). > Since you can reproduce the problem regularly I'd really like to see > some debugging output of libfence to start with. I'd really appreciate > if you could help us. > > test 1: > > Please add a bunch fprintf(stderr, to agents.c to see the created XPath > queries and the result coming back from libccs. # fence_node -vv node2 make_args(149): /cluster/fencedevices/fencedevice[@name="fence2"]/@* make_args(156) Segmentation fault > test 2: > > If you could please find: > > cd = ccs_connect(); (line 287 in agent.c) > and right before that add: > fullxpath=1; > > That change will ask libccs to use a different Xpath engine internally. > > And then re-run test1. # fence_node -vv node2 fence_node(289): fullxpath: 0 fence_node(291): fullxpath: 1 make_args(149): /cluster/fencedevices/fencedevice[@name="fence2"]/@* make_args(156) Segmentation fault make_args(156) is just before the strncmp. Trying to print out str results in a segfault too (that's why it's missing from the output). [..snip..] > the next question is: are you running on some fancy architecture? Maybe > something in that environment is not initialized properly (the garbage > string you get back from libccs sounds like that) but on more common > arches like x86/x86_64 gcc takes care of that for us.... (really wild > guessing but still something to fix!). Nothing fancy here: # uname -a Linux vm41 2.6.30-1-amd64 #1 SMP Sun Jun 14 15:00:29 UTC 2009 x86_64 GNU/Linux Cheers, -- Guido -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
