NetBSD Problem Report #32532
From yamt@mwd.biglobe.ne.jp Sun Jan 15 10:37:07 2006
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Date: Sun, 15 Jan 2006 19:36:47 +0900
From: yamt@mwd.biglobe.ne.jp
Reply-To: yamt@mwd.biglobe.ne.jp
To: gnats-bugs@netbsd.org
Subject: softdep_trackbufs deadlock
X-Send-Pr-Version: 3.95
>Number: 32532
>Category: kern
>Synopsis: softdep_trackbufs deadlock
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Jan 15 10:40:01 +0000 2006
>Closed-Date: Wed Apr 01 04:08:58 +0000 2009
>Last-Modified: Wed Apr 01 04:08:58 +0000 2009
>Originator: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
>Release: NetBSD 3.99.15
>Organization:
>Environment:
System: NetBSD kaeru 3.99.15 NetBSD 3.99.15 (build.kaeru.xen.nodebug) #: Wed Jan 11 23:14:36 JST 2006 takashi@kaeru:/home/takashi/work/kernel/build.kaeru.xen.nodebug i386
Architecture: i386
Machine: i386
>Description:
setup_allocindir_phase2 can be called with the vnode locked and
calls softdep_trackbufs with throttle==TRUE.
if all "locked" buffers are held by the vnode, no one will flush them
and it stucks.
>How-To-Repeat:
code inspection. create a large sparse file, maybe?
>Fix:
>Release-Note:
>Audit-Trail:
From: Andrew Doran <ad@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc:
Subject: PR/32532 CVS commit: src
Date: Sun, 22 Feb 2009 20:28:07 +0000 (UTC)
Module Name: src
Committed By: ad
Date: Sun Feb 22 20:28:07 UTC 2009
Modified Files:
src/doc: CHANGES
src/lib/libp2k: p2k.c
src/sbin/fsck_lfs: lfs.c
src/sbin/mount: mount.8
src/sbin/newfs_lfs: make_lfs.c
src/sbin/tunefs: tunefs.8 tunefs.c
src/sys/arch/vax/conf: VAX780
src/sys/conf: files
src/sys/kern: sys_aio.c vfs_bio.c vfs_subr.c vfs_syscalls.c
src/sys/miscfs/specfs: spec_vnops.c
src/sys/miscfs/syncfs: sync_subr.c
src/sys/modules/ffs: Makefile
src/sys/rump/fs/lib/libffs: Makefile
src/sys/rump/include/rump: rump.h
src/sys/rump/librump/rumpvfs: rump_vfs.c vm_vfs.c
src/sys/sys: buf.h vnode.h
src/sys/ufs: files.ufs
src/sys/ufs/ffs: ffs_alloc.c ffs_balloc.c ffs_extern.h ffs_inode.c
ffs_snapshot.c ffs_vfsops.c ffs_vnops.c ffs_wapbl.c
src/sys/ufs/lfs: lfs_rfw.c lfs_vfsops.c lfs_vnops.c
src/sys/ufs/ufs: inode.h ufs_dirhash.c ufs_extern.h ufs_inode.c
ufs_lookup.c ufs_readwrite.c ufs_vnops.c ufs_wapbl.c
src/sys/uvm: uvm_pager.c
Removed Files:
src/sys/rump/librump/rumpkern/opt: opt_softdep.h
src/sys/ufs/ffs: ffs_softdep.c ffs_softdep.stub.c softdep.h
Log Message:
PR kern/26878 FFSv2 + softdep = livelock (no free ram)
PR kern/16942 panic with softdep and quotas
PR kern/19565 panic: softdep_write_inodeblock: indirect pointer #1 mismatch
PR kern/26274 softdep panic: allocdirect_merge: ...
PR kern/26374 Long delay before non-root users can write to softdep partitions
PR kern/28621 1.6.x "vp != NULL" panic in ffs_softdep.c:4653 while unmounting a softdep (+quota) filesystem
PR kern/29513 FFS+Softdep panic with unfsck-able file-corruption
PR kern/31544 The ffs softdep code appears to fail to write dirty bits to disk
PR kern/31981 stopping scsi disk can cause panic (softdep)
PR kern/32116 kernel panic in softdep (assertion failure)
PR kern/32532 softdep_trackbufs deadlock
PR kern/37191 softdep: locking against myself
PR kern/40474 Kernel panic after remounting raid root with softdep
Retire softdep, pass 2. As discussed and later formally announced on the
mailing lists.
To generate a diff of this commit:
cvs rdiff -r1.1191 -r1.1192 src/doc/CHANGES
cvs rdiff -r1.8 -r1.9 src/lib/libp2k/p2k.c
cvs rdiff -r1.29 -r1.30 src/sbin/fsck_lfs/lfs.c
cvs rdiff -r1.65 -r1.66 src/sbin/mount/mount.8
cvs rdiff -r1.13 -r1.14 src/sbin/newfs_lfs/make_lfs.c
cvs rdiff -r1.37 -r1.38 src/sbin/tunefs/tunefs.8 src/sbin/tunefs/tunefs.c
cvs rdiff -r1.1 -r1.2 src/sys/arch/vax/conf/VAX780
cvs rdiff -r1.942 -r1.943 src/sys/conf/files
cvs rdiff -r1.22 -r1.23 src/sys/kern/sys_aio.c
cvs rdiff -r1.215 -r1.216 src/sys/kern/vfs_bio.c
cvs rdiff -r1.368 -r1.369 src/sys/kern/vfs_subr.c
cvs rdiff -r1.388 -r1.389 src/sys/kern/vfs_syscalls.c
cvs rdiff -r1.122 -r1.123 src/sys/miscfs/specfs/spec_vnops.c
cvs rdiff -r1.36 -r1.37 src/sys/miscfs/syncfs/sync_subr.c
cvs rdiff -r1.2 -r1.3 src/sys/modules/ffs/Makefile
cvs rdiff -r1.6 -r1.7 src/sys/rump/fs/lib/libffs/Makefile
cvs rdiff -r1.9 -r1.10 src/sys/rump/include/rump/rump.h
cvs rdiff -r1.1 -r0 src/sys/rump/librump/rumpkern/opt/opt_softdep.h
cvs rdiff -r1.12 -r1.13 src/sys/rump/librump/rumpvfs/rump_vfs.c
cvs rdiff -r1.3 -r1.4 src/sys/rump/librump/rumpvfs/vm_vfs.c
cvs rdiff -r1.110 -r1.111 src/sys/sys/buf.h
cvs rdiff -r1.200 -r1.201 src/sys/sys/vnode.h
cvs rdiff -r1.18 -r1.19 src/sys/ufs/files.ufs
cvs rdiff -r1.121 -r1.122 src/sys/ufs/ffs/ffs_alloc.c
cvs rdiff -r1.51 -r1.52 src/sys/ufs/ffs/ffs_balloc.c
cvs rdiff -r1.74 -r1.75 src/sys/ufs/ffs/ffs_extern.h
cvs rdiff -r1.102 -r1.103 src/sys/ufs/ffs/ffs_inode.c
cvs rdiff -r1.91 -r1.92 src/sys/ufs/ffs/ffs_snapshot.c
cvs rdiff -r1.116 -r0 src/sys/ufs/ffs/ffs_softdep.c
cvs rdiff -r1.23 -r0 src/sys/ufs/ffs/ffs_softdep.stub.c
cvs rdiff -r1.242 -r1.243 src/sys/ufs/ffs/ffs_vfsops.c
cvs rdiff -r1.110 -r1.111 src/sys/ufs/ffs/ffs_vnops.c
cvs rdiff -r1.11 -r1.12 src/sys/ufs/ffs/ffs_wapbl.c
cvs rdiff -r1.11 -r0 src/sys/ufs/ffs/softdep.h
cvs rdiff -r1.11 -r1.12 src/sys/ufs/lfs/lfs_rfw.c
cvs rdiff -r1.269 -r1.270 src/sys/ufs/lfs/lfs_vfsops.c
cvs rdiff -r1.219 -r1.220 src/sys/ufs/lfs/lfs_vnops.c
cvs rdiff -r1.55 -r1.56 src/sys/ufs/ufs/inode.h
cvs rdiff -r1.27 -r1.28 src/sys/ufs/ufs/ufs_dirhash.c
cvs rdiff -r1.60 -r1.61 src/sys/ufs/ufs/ufs_extern.h
cvs rdiff -r1.77 -r1.78 src/sys/ufs/ufs/ufs_inode.c
cvs rdiff -r1.100 -r1.101 src/sys/ufs/ufs/ufs_lookup.c
cvs rdiff -r1.93 -r1.94 src/sys/ufs/ufs/ufs_readwrite.c
cvs rdiff -r1.172 -r1.173 src/sys/ufs/ufs/ufs_vnops.c
cvs rdiff -r1.4 -r1.5 src/sys/ufs/ufs/ufs_wapbl.c
cvs rdiff -r1.93 -r1.94 src/sys/uvm/uvm_pager.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
State-Changed-From-To: open->closed
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Wed, 01 Apr 2009 04:08:58 +0000
State-Changed-Why:
softdep (softupdates) has been removed.
>Unformatted:
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