https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239100
Bug ID: 239100
Summary: r347151 breaks unionfs
Product: Base System
Version: 12.0-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
With the following commit applied, my unionfs mount is almost dying.
https://svnweb.freebsd.org/base?view=revision&revision=348991
MFC r347151,347181,347968,348421,348698,348701:
Switch to use shared vnode locks for text files during image activation.
Mine is running FreeBSD 12.0-STABLE FWINA amd64 as of 19 June 2019 and my
unionfs setup is as follows.
/dev/nda0p2 on / (ufs, NFS exported, local, noatime, journaled soft-updates)
devfs on /dev (devfs, local)
<below>:/usr/portsl on /usr/ports (unionfs, local, noatime)
For example, I tried to build perl5 port by executing make build in
/usr/ports/lang/perl5.30 and I got something like this.
Checking for GNU cc in disguise and/or its version number...
Now, how can we feed standard input to your C preprocessor...
./Configure: cannot create testcpp.out: Text file busy
./Configure: cannot create testcpp.out: Text file busy
./Configure: cannot create testcpp.out: Text file busy
./Configure: cannot create testcpp.out: Text file busy
./Configure: cannot create testcpp.out: Text file busy
No dice. I can't find a C preprocessor. Name one: ^C===> Script "Configure"
failed unexpectedly.
Please report the problem to [email protected] [maintainer] and attach the
"/usr/ports/lang/perl5.30/work/perl-5.30.0/config.log" including the output
of the failure of your make command. Also, it might be a good idea to provide
an overview of all packages installed on your system (e.g. a
/usr/local/sbin/pkg-static info -g -Ea).
*** Error code 1
The actual errors I got vary time to time but most of them are Text file busy
at some point during configure/build phase, and almost all the time the builds
fail to finish.
By specifying WRKDIRPREFIX outside the unionfs such as WRKDIRPREFIX=/tmp works
around the error, or by backing out the whole r348991 commit also fixes. By
reverting only sys/fs/unionfs/union_subr.c to r339434 doesn't work.
Any ideas?
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