Date: Sun, 17 Jan 2016 08:44:08 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 206328] Crash on shutdown with swap on NFS file Message-ID: <bug-206328-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206328 Bug ID: 206328 Summary: Crash on shutdown with swap on NFS file Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: tvijlbrief@gmail.com When swap is using an NFS file, and it is filled before shutdown, eg by usi= ng stress -m 4 --vm-keep a crash occurs on a "shutdown -r" which prevents a reboot: Jan 17 09:26:12 rpibsd syslogd: exiting on signal 15 Waiting (max 60 seconds) for system process `vnlru' to stop...done Waiting (max 60 seconds) for system process `bufdaemon' to stop...done Waiting (max 60 seconds) for system process `syncer' to stop... Syncing disks, vnodes remaining...4 4 4 1 1 1 0 0 0 done All buffers synced. No strategy for buffer at 0xc1a47b30 vnode 0xc2a60240: tag none, type VBAD usecount 1, writecount 0, refcount 448277 mountedhere 0 flags (VI_DOOMED) lock type nfs: UNLOCKED swap_pager: I/O error - pagein failed; blkno 23904,size 4096, error 45 panic: swap_pager_force_pagein: read from swap failed KDB: enter: panic [ thread pid 1 tid 100001 ] Stopped at $d.13: ldrb r15, [r15, r15, ror r15]! db>=20 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D Example is from Raspberry because I have a serial console attached, but it also happens on a 64 bit Intel VirtualBox guest, so it is easy to reproduce= .=20 /etc/fstab: swan.v7f.eu:/export/all/bsd /media/swan nfs rw,bg,noauto 0 0 /media/swan/swap none swap sw 0 0 A "swapoff -a" before shutdown prevents the problem --=20 You are receiving this mail because: You are the assignee for the bug.=
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