svn commit: r365787 - head/sys/fs/tmpfs
danfe at freebsd.org
Fri Jan 1 18:44:00 UTC 2021
On Tue, Sep 15, 2020 at 10:19:16PM +0000, Konstantin Belousov wrote:
> New Revision: 365787
> URL: https://svnweb.freebsd.org/changeset/base/365787
> Add tmpfs page cache read support.
> Or it could be explained as lockless (for vnode lock) reads. Reads
> are performed from the node tn_obj object. Tmpfs regular vnode object
> lifecycle is significantly different from the normal OBJT_VNODE: it is
> alive as far as ref_count > 0.
This causes panics for me when building ports in the tmpfs-backed tinderbox.
1) ./tc tinderbuild ... -b "$@"
2) tail -f .../tmp/make.log4 # on the adjacent console
3) wait until the build job finishes
4) ^C in the "tail" window -> crash
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