UFS snapshot deadlocks
frode at nordahl.net
Fri Jun 4 15:06:06 GMT 2004
There has been some talk about reproducible UFS snapshot deadlocks for
some time now on the lists, and I have not seen any recent talk about
Anyone know if there has been any progress on this issue?
The following is a 100% reproducible procedure to make it happen:
Running 5.2-CURRENT #0: Fri Jun 4 15:07:54 CEST 2004
ls -la /usr/.snap
dump -0af /some/where -C 32 -L /dev/ad0s1f
Looking at top(1) show mksnap_ffs being in state UFS.
I also experienced this on one of my NFS servers, when I accidently
toyed around with ls while I started the dump. It was then hung in
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