svn commit: r365787 - head/sys/fs/tmpfs
kostikbel at gmail.com
Fri Jan 1 22:02:32 UTC 2021
On Fri, Jan 01, 2021 at 06:44:00PM +0000, Alexey Dokuchaev wrote:
> On Tue, Sep 15, 2020 at 10:19:16PM +0000, Konstantin Belousov wrote:
> > New Revision: 365787
> > URL: https://svnweb.freebsd.org/changeset/base/365787
> > Log:
> > 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.
> Easily reproducible:
> 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
What exactly 'crash' is ? Provide literal transcription of the kernel
messages and not your interpretation of them.
What is the source line for tmpfs_free_node() frame ?
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