Werk #2492: check_mk_agent.linux: avoid problems with crashing waitmax after Ubuntu update

Component	Checks & agents
Title	check_mk_agent.linux: avoid problems with crashing waitmax after Ubuntu update
Date	Aug 11, 2015
Level	Prominent Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Some users have reported that after an update of their Ubuntu target hosts, the command /usr/bin/waitmax, which is shipped with the Check_MK Agent, actually segfaults the program being run with it. This could be related to the fact that waitmax is statically linked in order to be independent of 32/64 bits and of the libc in use.

The agent now looks if /usr/bin/timeout exists and prefers that over waitmax. timeout has been introduced in the coreutils version 8+. It is missing e.g. on RedHat 5.X, so waitmax is still needed for a couple of years...

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