Tom, >To: Mike Schmidt <address@hidden> >Subject: 20051119: area2png core dumping on motherlode > >>From: Mike Schmidt <address@hidden> >>Organization: UCAR/Unidata >>Keywords: 200511191829.jAJITOVv016189 ldm-mcidas area2png > >Hi Mike, > >>Haven't seen this before... >> >>Nov 19 10:00:12 motherlode.ucar.edu genunix: [ID 209915 kern.notice] NOTE: cor >> e_log: area2png[12548] no global core file pattern exists > >I don't understand what this means. The OS was complaining about no creo file pattern -- see /etc/coreadm.conf >>So I set a global core file pattern, and we have a core dump; >> >>Nov 19 10:40:13 motherlode.ucar.edu genunix: [ID 603404 kern.notice] NOTE: cor >> e_log: area2png[9454] core dumped: /var/core/core.area2png.9454.u8858 > >Why would core files from area2png be dumped into /var/core? Also, why >would the core files be owned by 'root': I specified that location -- and it's all related to security since area2png is exec'ed by the ldm, and the ldm is started suid root. >/var/core% ls -alt >total 14260 >drwxr-xr-x 2 root other 512 Nov 20 07:12 . >-rw------- 1 root ustaff 369888 Nov 20 07:12 core.pqinsert.15077.u8858 >-rw------- 1 root ustaff 1064008 Nov 20 03:56 core.area2png.28380.u8858 >-rw------- 1 root ustaff 613448 Nov 20 03:40 core.area2png.22466.u8858 >-rw------- 1 root ustaff 588872 Nov 20 03:20 core.area2png.15431.u8858 >-rw------- 1 root ustaff 1072200 Nov 19 21:04 core.area2png.26094.u8858 >-rw------- 1 root ustaff 629832 Nov 19 20:04 core.area2png.22497.u8858 >-rw------- 1 root ustaff 1023048 Nov 19 18:00 core.area2png.12891.u8858 >-rw------- 1 root ustaff 361696 Nov 19 14:48 core.pqinsert.27675.u8858 >-rw------- 1 root ustaff 361696 Nov 19 11:44 core.pqinsert.14548.u8858 >-rw------- 1 root ustaff 1104968 Nov 19 10:40 core.area2png.9454.u8858 >drwxr-xr-x 38 root sys 1024 Nov 19 10:13 .. > >Also, I am suprised by the differing sizes of the core files and also >the fact that there are two entries for pqinsert!? That might warrant some attention >I did notice a core file from area2png yesterday morning (in ~ldm), but >I didn't worry since it did not reappear after it was deleted. Also, I >don't see any gaps in the images that are being compressed by area2png >and inserted into the LDM queue, so I am not certain why the there would >be core files at all. I have no idea, but thought you might want to know. mike
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