Date: Sat, 29 Jun 2019 20:03:09 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 238883] Fatal double fault using nullfs+unionfs to build www/node port (repeatable) Message-ID: <bug-238883-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D238883 Bug ID: 238883 Summary: Fatal double fault using nullfs+unionfs to build www/node port (repeatable) Product: Base System Version: 12.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: chadf@triularity.org Created attachment 205420 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D205420&action= =3Dedit /var/crash/core.txt.4 file Repeatably able to panic kernel while building www/node ports while using nullfs and unionfs layered mounts for /usr/ports directory. To trigger, setup mounts as: /export/ports on /usr/ports (nullfs, local, read-only) <above>:/usr/src/local.ports on /usr/ports (unionfs, local) The /export/ports directory contains a master copy of the ports tree (ufs or zfs doesn't matter - haven't tried nfs). Then build www/node port: root@krash:~ # cd /usr/ports/www/node root@krash:/usr/ports/www/node # make =3D=3D=3D> Building for node-12.4.0 . . . Wait for panic (may take awhile into build). After panic/reboot, restarting build panics again, almost immediately. I was able to recreate crash in a fresh virtualbox install. The .vdi file f= or that VM (in a quick to re-panic state) is available upon request (7.3GB uncompressed). /var/crash/core.txt file attached. vmcore file available (12MB compressed, unattached due to size). --=20 You are receiving this mail because: You are the assignee for the bug.=
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