Hi, A machine of ours recently became unresponsive - these are the messages reported by journalctl for the time it happened:
Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 320036 off 25602900/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 319975 off 25598020/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 231566 off 18525300/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 320007 off 25600580/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 239740 off 19179220/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 229899 off 18391940/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 319838 off 25587060/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 653166 off 52253300/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 653166 off 52253300/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: failed to store file (5/0) Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: afs: disk cache read error in CacheItems slot 653166 off 52253300/113096500 code -5/80 Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: openafs: afs_InvalidateAllSegments tdc count Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: ------------[ cut here ]------------ Mar 31 22:51:07 lute.inf.ed.ac.uk kernel: kernel BUG at /builddir/build/BUILD/openafs-1.8.4/src/libafs/MODLOAD-3.10.0-1062.7.1.el7.x86_64-SP/afs_segments.c:556! Nothing further was logged until a reboot nearly an hour later. The machine runs Scientific Linux 7.6, and here's the output of "rpm -q kernel openafs" : kernel-3.10.0-1062.7.1.el7.x86_64 openafs-1.8.4-1.el7.x86_64 Chris Cooke.
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