I have extracted material from the list-exchanges related to this and submitted: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220693 against the kernel for the issue. I placed emphasis on the SSD-trim related "freeing free block" panics that "fsck -B" can lead to after it gets the g_vfs_done messages for unclean ufs file systems but first noted that: mksnap_ffs /.snap2 was enough to get the g_vfs_done messages. I figured that the nastiest and most important known consequences were "fsck -B" being broken for unclean ufs file systems and having later panics trying to trim based on how it is broken. I did also mention dump as producing the messages. I referenced. . . > See also the exchange of list submittals associated > with: > > https://lists.freebsd.org/pipermail/freebsd-current/2017-July/066505.html > > and: > > https://lists.freebsd.org/pipermail/freebsd-current/2017-July/066508.html === Mark Millard markmi at dsl-only.netReceived on Wed Jul 12 2017 - 20:37:56 UTC
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