Description of problem: Mounting a GFS2 filesystem with dlm locking with a cluster name mismatch causes (an expected) failure at mount time, but gfs_controld uses 100% CPU thereafter and does not seem to sleep anymore. Restarting cman/gfs_controld resolves the problem. Version-Release number of selected component (if applicable): - FC6 x86_64 updated - cman-2.0.18-2.fc6 How reproducible: Every time you try to mount a GFS2 filesystem that has a locking table name that is not the cluster's name. Steps to Reproduce: 1. mkfs.gfs2 -p lock_dlm -t mtprodbox0:xenhome -j 8 /dev/vgxentest/lvxenhome 2. in /etc/cluster/cluster.conf: <cluster alias="BigBrother" config_version="5" name="BigMamma">...etc... 3. /etc/init.d/cman restart 4. mount -tgfs2 -onoatime /dev/vgxentest/lvxenhome /mnt (name mismatch: mtprodbox0 vs BigMamma) Actual results: gfs_controld uses 100% CPU. Expected results: gfs_controld notes/logs failure and goes back to sleep. Additional info: Running the control daemon with debug on the command line revealed the logic error (the clustername mismatch). However, it did not reveal why it kept spinning. It would be nice if the control daemon would log to syslog by default. [root@xentest ~]# gfs_controld -D 1162991451 listen 3 1162991451 cpg 6 1162991451 groupd 8 1162991451 uevent 9 1162991451 plocks 12 1162991451 setup done 1162991475 client 6: join /mnt gfs2 lock_dlm mtprodbox0:xenhome rw,noatime 1162991475 mount: /mnt gfs2 lock_dlm mtprodbox0:xenhome rw,noatime 1162991475 mount: fs requires cluster="mtprodbox0" current="BigMamma" 1162991475 mount: failed -1 1162991475 client 6: 1162991475 client 6 fd 13 read error -1 104 [gfs_controld keeps spinning; top says approx 20/80% user/system time]
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