On Fri, 2009-11-06 at 16:00 +0000, Tim Small wrote: > Package: linux-image-2.6.26-2-amd64 > Version: 2.6.26-17lenny1 > Severity: normal > > Opening /dev/watchdog as provided by ipmi_watchdog on a Dell PowerEdge > 860 running Lenny 5.0 (64 bit), frequently fails with EBUSY. > > Nov 5 11:50:09 kernel: [ 29.583805] IPMI Watchdog: driver initialized > Nov 5 11:50:12 watchdog[3239]: starting daemon (5.4): > Nov 5 11:50:12 watchdog[3239]: int=10s realtime=yes sync=no > soft=no mla=0 mem=140733193388032 > > [...] > > Nov 5 11:50:12 watchdog[3239]: test=none(0) repair=none > alive=/dev/watchdog heartbeat=none temp=none to=root no_act=no > Nov 5 11:50:12 watchdog[3239]: cannot open /dev/watchdog (errno > = 16 = 'Device or resource busy') > Nov 5 11:50:12 kernel: [ 57.375695] IPMI Watchdog: Unexpected > close, not stopping watchdog > > > worse, if the module is loaded with the "nowayout=1" - the machine then > gets hard-reset "timeout" seconds later! The watchdog device cannot be closed if it was not successfully opened. This is a problem with the watchdog daemon. Ben. -- Ben Hutchings The generation of random numbers is too important to be left to chance. - Robert Coveyou
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