On Friday 06 September 2019 14:26:25 Nathan Stratton Treadway wrote: > On Fri, Sep 06, 2019 at 13:07:55 -0400, Gene Heskett wrote: > > Humm, so why does amanda crash the debian version of buster, but not > > the raspian's (jessie, stretch) that preceded it? And crashed the > > armbian on a rock64, supposedly stretch based? Gotta be something > > different, > > I would be very surprised if usrmerge has anything to do with full > system crashes. > > You might have better luck tracking this down in a rpi-related forum > -- from what you have posted Amanda does seem to be triggering it, but > Amanda isn't doing anything "unusual" that should be able to trigger a > hardware/system crash, so almost certainly there's a more general > hardware or OS problem which Amanda is tickling somehow. > > > I don't have any personal experience rpi systems, but off hand a few > possible crash triggers would be > * high network usage causes network interface to die > * high disk I/O causes failure of some disk device or data bus > * high CPU usage causes temperature to exceed max-temp threshold and > triggers shutdown > * high something/combination-of-things exceeds available power budget > of system > > To differentiate some of these possibilities you would need to watch > the system while Amanda started up and see if there were any signs of > individual components failing first. Also, watch "top" and similar > monitoring utilities on the system while Amanda starts up to see what > actually going on right then. (But, again, rpi-specific forums would > probably have more useful advice.) > > As far as Amanda-centric testing, you could try running dumps of just > one DLE at at time, to see if the crash is consistent independent of > the DLEs or only happens for specific ones. > > Also, you could pull the "tar" and "gzip" commands out of the Amanda > client debug files and run them manually (directing output either to > /dev/null or to a network pipe to another system) to see if you can > identify which specific command triggers the crash. > > > I just spent an hour looking at picnc's /var/log/amanda stuff, > > nothing looks out of place. So now I am puzzled for sure. > > (Did you check /var/log/kern.log or /var/log/syslog ?) > syslog is clean. I don't see anything obviously sick in kern.log. Thanks Nathan. > Nathan > > ---------------------------------------------------------------------- >------ Nathan Stratton Treadway - [email protected] - Mid-Atlantic > region Ray Ontko & Co. - Software consulting services - > http://www.ontko.com/ GPG Key: > http://www.ontko.com/~nathanst/gpg_key.txt ID: 1023D/ECFB6239 Key > fingerprint = 6AD8 485E 20B9 5C71 231C 0C32 15F3 ADCD ECFB 6239
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