kern/138002: [lor]

Peter Cornelius pcc at gmx.net
Thu Aug 20 21:10:03 UTC 2009


The following reply was made to PR kern/138002; it has been noted by GNATS.

From: "Peter Cornelius" <pcc at gmx.net>
To: FreeBSD-gnats-submit at FreeBSD.org
Cc:  
Subject: Re: kern/138002: [lor]
Date: Thu, 20 Aug 2009 22:41:38 +0200

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 Digging up further LORs from the log (build no 3).
 
 Aug 16 14:16:04 netserv kernel: lock order reversal:
 Aug 16 14:16:04 netserv kernel: 1st 0xc6df37ac ufs (ufs) @ 
 /usr/Src-RELENG_8/sys/kern/vfs_lookup.c:497
 Aug 16 14:16:04 netserv kernel: 2nd 0xd8debf40 bufwait (bufwait) @ 
 /usr/Src-RELENG_8/sys/ufs/ffs/ffs_softdep.c:6177
 Aug 16 14:16:04 netserv kernel: 3rd 0xc6e3f164 ufs (ufs) @ 
 /usr/Src-RELENG_8/sys/kern/vfs_subr.c:2083
 Aug 16 14:16:04 netserv kernel: KDB: stack backtrace:
 Aug 16 14:16:04 netserv kernel: 
 db_trace_self_wrapper(c0c73804,e78b33cc,c08c0d25,c08b1a0b,c0c76774,...) at 
 db_trace_self_wrapper+0x26
 Aug 16 14:16:04 netserv kernel: 
 kdb_backtrace(c08b1a0b,c0c76774,c4d2be90,c4d2f1c0,e78b3428,...) at 
 kdb_backtrace+0x29
 Aug 16 14:16:04 netserv kernel: 
 _witness_debugger(c0c76774,c6e3f164,c0c690c7,c4d2f1c0,c0c7db33,...) at 
 _witness_debugger+0x25
 Aug 16 14:16:04 netserv kernel: 
 witness_checkorder(c6e3f164,9,c0c7db33,823,0,...) at 
 witness_checkorder+0x839
 Aug 16 14:16:04 netserv kernel: 
 __lockmgr_args(c6e3f164,80100,c6e3f180,0,0,...) at __lockmgr_args+0x7a7
 Aug 16 14:16:04 netserv kernel: 
 ffs_lock(e78b3538,c08c0acb,c0c7d00b,80100,c6e3f10c,...) at ffs_lock+0x8a
 Aug 16 14:16:04 netserv kernel: 
 VOP_LOCK1_APV(c0d77740,e78b3538,c549d0a4,c0d90140,c6e3f10c,...) at 
 VOP_LOCK1_APV+0xb5
 Aug 16 14:16:04 netserv kernel: _vn_lock(c6e3f10c,80100,c0c7db33,823,4,...) 
 at _vn_lock+0x5e
 Aug 16 14:16:04 netserv kernel: vget(c6e3f10c,80100,c549d000,50,0,...) at 
 vget+0xb9
 Aug 16 14:16:04 netserv kernel: 
 vfs_hash_get(c5488508,44371d7,80000,c549d000,e78b3694,...) at 
 vfs_hash_get+0xe6
 Aug 16 14:16:04 netserv kernel: 
 ffs_vgetf(c5488508,44371d7,80000,e78b3694,1,...) at ffs_vgetf+0x49
 Aug 16 14:16:04 netserv kernel: 
 softdep_sync_metadata(c6df3754,0,c0c977fa,146,0,...) at 
 softdep_sync_metadata+0x5ba
 Aug 16 14:16:04 netserv kernel: 
 ffs_syncvnode(c6df3754,1,c0c6ec41,c0c686fc,3,...) at ffs_syncvnode+0x3e2
 Aug 16 14:16:04 netserv kernel: 
 ffs_truncate(c6df3754,200,0,880,c5623680,...) at ffs_truncate+0x66a
 Aug 16 14:16:04 netserv kernel: 
 ufs_direnter(c6df3754,c6e3f10c,e78b3a1c,e78b3c00,d8db4e30,...) at 
 ufs_direnter+0x8f6
 Aug 16 14:16:04 netserv kernel: 
 ufs_mkdir(e78b3c28,e78b3c3c,0,0,e78b3b6c,...) at ufs_mkdir+0x8a7
 Aug 16 14:16:04 netserv kernel: 
 VOP_MKDIR_APV(c0d77740,e78b3c28,e78b3c00,e78b3b6c,0,...) at 
 VOP_MKDIR_APV+0xa5
 Aug 16 14:16:04 netserv kernel: 
 kern_mkdirat(c549d000,ffffff9c,bfbfeb16,0,1ff,...) at kern_mkdirat+0x22b
 Aug 16 14:16:04 netserv kernel: 
 kern_mkdir(c549d000,bfbfeb16,0,1ff,e78b3d2c,...) at kern_mkdir+0x2e
 Aug 16 14:16:04 netserv kernel: mkdir(c549d000,e78b3cf8,8,c,c0d56dc0,...) 
 at mkdir+0x29
 Aug 16 14:16:05 netserv kernel: syscall(e78b3d38) at syscall+0x2a3
 Aug 16 14:16:05 netserv kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20
 Aug 16 14:16:05 netserv kernel: --- syscall (136, FreeBSD ELF32, mkdir), 
 eip = 0x281698e3, esp = 0xbfbfe86c, ebp = 0xbfbfe938 ---
 Aug 16 16:02:40 netserv su: pc to root on /dev/ttyv2
 Aug 16 16:05:17 netserv sshd[9432]: error: ssh_msg_send: write
 Aug 17 10:48:25 netserv ntpd[49261]: ntpd 4.2.4p5-a (1)
 Aug 17 10:52:11 netserv ntpd[49262]: kernel time sync status change 2001
 Aug 17 15:44:14 netserv sudo:       pc : TTY=ttyv2 ; 
 PWD=/usr/Src-RELENG_8/tools/tools/vimage ; USER=root ; 
 COMMAND=/usr/bin/make all install
 Aug 17 15:47:01 netserv pc: /etc/rc.d/jail: WARNING: devfs_domount(): 
 Unable to mount devfs on /usr/jails/spielwiese/dev
 Aug 17 15:47:01 netserv pc: /etc/rc.d/jail: WARNING: devfs_mount_jail: 
 devfs was not mounted on /usr/jails/spielwiese/dev
 Aug 17 15:47:17 netserv sudo:       pc : TTY=ttyv2 ; PWD=/usr/home/pc 
 ; USER=root ; COMMAND=/usr/local/bin/ezjail-admin start spielwiese
 Aug 17 15:47:18 netserv kernel: lock order reversal:
 Aug 17 15:47:18 netserv kernel: 1st 0xc901dce8 ufs (ufs) @ 
 /usr/Src-RELENG_8/sys/kern/vfs_mount.c:1054
 Aug 17 15:47:18 netserv kernel: 2nd 0xc9dfa7ac devfs (devfs) @ 
 /usr/Src-RELENG_8/sys/kern/vfs_subr.c:2083
 Aug 17 15:47:18 netserv kernel: KDB: stack backtrace:
 Aug 17 15:47:18 netserv kernel: 
 db_trace_self_wrapper(c0c73804,e78ad814,c08c0d25,c08b1a0b,c0c7675b,...) at 
 db_trace_self_wrapper+0x26
 Aug 17 15:47:18 netserv kernel: 
 kdb_backtrace(c08b1a0b,c0c7675b,c4d2f1c0,c4d2f0f0,e78ad870,...) at 
 kdb_backtrace+0x29
 Aug 17 15:47:18 netserv kernel: 
 _witness_debugger(c0c7675b,c9dfa7ac,c0c6529f,c4d2f0f0,c0c7db33,...) at 
 _witness_debugger+0x25
 Aug 17 15:47:18 netserv kernel: 
 witness_checkorder(c9dfa7ac,9,c0c7db33,823,0,...) at 
 witness_checkorder+0x839
 Aug 17 15:47:18 netserv kernel: 
 __lockmgr_args(c9dfa7ac,80100,c9dfa7c8,0,0,...) at __lockmgr_args+0x7a7
 Aug 17 15:47:18 netserv kernel: 
 vop_stdlock(e78ad978,c08c0acb,c0c654e2,80100,c9dfa754,...) at 
 vop_stdlock+0x62
 Aug 17 15:47:18 netserv kernel: 
 VOP_LOCK1_APV(c0d52ae0,e78ad978,c549d524,c0d90140,c9dfa754,...) at 
 VOP_LOCK1_APV+0xb5
 Aug 17 15:47:18 netserv kernel: _vn_lock(c9dfa754,80100,c0c7db33,823,8,...) 
 at _vn_lock+0x5e
 Aug 17 15:47:18 netserv kernel: 
 vget(c9dfa754,80100,c549d480,15e,c0c653fb,...) at vget+0xb9
 Aug 17 15:47:18 netserv kernel: 
 devfs_allocv(c5ce4c00,c51ca78c,e78ada10,9d,c0f31578,...) at 
 devfs_allocv+0x102
 Aug 17 15:47:18 netserv kernel: 
 devfs_root(c51ca78c,80000,e78adc30,42c,0,...) at devfs_root+0x4a
 Aug 17 15:47:18 netserv kernel: 
 vfs_donmount(c549d480,0,c5ccea80,c5ccea80,bfbfdac9,...) at 
 vfs_donmount+0x14c2
 Aug 17 15:47:18 netserv kernel: nmount(c549d480,e78adcf8,c,c,c0d58838,...) 
 at nmount+0x75
 Aug 17 15:47:18 netserv kernel: syscall(e78add38) at syscall+0x2a3
 Aug 17 15:47:18 netserv kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20
 Aug 17 15:47:18 netserv kernel: --- syscall (378, FreeBSD ELF32, nmount), 
 eip = 0x280e876b, esp = 0xbfbfda9c, ebp = 0xbfbfdff8 ---
 
         
 -- 
 Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3 -
 sicherer, schneller und einfacher! http://portal.gmx.net/de/go/chbrowser
 
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 Content-Type: text/html; charset="utf-8"
 Content-Transfer-Encoding: quoted-printable
 
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     <head />
         <body style=3D"font-family: sans-serif;">
             Digging up further LORs from the log (build no 3).<br /><br />A=
 ug 16 14:16:04 netserv kernel: lock order reversal:<br />Aug 16 14:16:04 ne=
 tserv kernel: 1st 0xc6df37ac ufs (ufs) @ /usr/Src-RELENG_8/sys/kern/vfs_loo=
 kup.c:497<br />Aug 16 14:16:04 netserv kernel: 2nd 0xd8debf40 bufwait (bufw=
 ait) @ /usr/Src-RELENG_8/sys/ufs/ffs/ffs_softdep.c:6177<br />Aug 16 14:16:0=
 4 netserv kernel: 3rd 0xc6e3f164 ufs (ufs) @ /usr/Src-RELENG_8/sys/kern/vfs=
 _subr.c:2083<br />Aug 16 14:16:04 netserv kernel: KDB: stack backtrace:<br =
 />Aug 16 14:16:04 netserv kernel: db_trace_self_wrapper(c0c73804,e78b33cc,c=
 08c0d25,c08b1a0b,c0c76774,...) at db_trace_self_wrapper+0x26<br />Aug 16 14=
 :16:04 netserv kernel: kdb_backtrace(c08b1a0b,c0c76774,c4d2be90,c4d2f1c0,e7=
 8b3428,...) at kdb_backtrace+0x29<br />Aug 16 14:16:04 netserv kernel: _wit=
 ness_debugger(c0c76774,c6e3f164,c0c690c7,c4d2f1c0,c0c7db33,...) at _witness=
 _debugger+0x25<br />Aug 16 14:16:04 netserv kernel: witness_checkorder(c6e3=
 f164,9,c0c7db33,823,0,...) at witness_checkorder+0x839<br />Aug 16 14:16:04=
  netserv kernel: __lockmgr_args(c6e3f164,80100,c6e3f180,0,0,...) at __lockm=
 gr_args+0x7a7<br />Aug 16 14:16:04 netserv kernel: ffs_lock(e78b3538,c08c0a=
 cb,c0c7d00b,80100,c6e3f10c,...) at ffs_lock+0x8a<br />Aug 16 14:16:04 netse=
 rv kernel: VOP_LOCK1_APV(c0d77740,e78b3538,c549d0a4,c0d90140,c6e3f10c,...) =
 at VOP_LOCK1_APV+0xb5<br />Aug 16 14:16:04 netserv kernel: _vn_lock(c6e3f10=
 c,80100,c0c7db33,823,4,...) at _vn_lock+0x5e<br />Aug 16 14:16:04 netserv k=
 ernel: vget(c6e3f10c,80100,c549d000,50,0,...) at vget+0xb9<br />Aug 16 14:1=
 6:04 netserv kernel: vfs_hash_get(c5488508,44371d7,80000,c549d000,e78b3694,=
 ...) at vfs_hash_get+0xe6<br />Aug 16 14:16:04 netserv kernel: ffs_vgetf(c5=
 488508,44371d7,80000,e78b3694,1,...) at ffs_vgetf+0x49<br />Aug 16 14:16:04=
  netserv kernel: softdep_sync_metadata(c6df3754,0,c0c977fa,146,0,...) at so=
 ftdep_sync_metadata+0x5ba<br />Aug 16 14:16:04 netserv kernel: ffs_syncvnod=
 e(c6df3754,1,c0c6ec41,c0c686fc,3,...) at ffs_syncvnode+0x3e2<br />Aug 16 14=
 :16:04 netserv kernel: ffs_truncate(c6df3754,200,0,880,c5623680,...) at ffs=
 _truncate+0x66a<br />Aug 16 14:16:04 netserv kernel: ufs_direnter(c6df3754,=
 c6e3f10c,e78b3a1c,e78b3c00,d8db4e30,...) at ufs_direnter+0x8f6<br />Aug 16 =
 14:16:04 netserv kernel: ufs_mkdir(e78b3c28,e78b3c3c,0,0,e78b3b6c,...) at u=
 fs_mkdir+0x8a7<br />Aug 16 14:16:04 netserv kernel: VOP_MKDIR_APV(c0d77740,=
 e78b3c28,e78b3c00,e78b3b6c,0,...) at VOP_MKDIR_APV+0xa5<br />Aug 16 14:16:0=
 4 netserv kernel: kern_mkdirat(c549d000,ffffff9c,bfbfeb16,0,1ff,...) at ker=
 n_mkdirat+0x22b<br />Aug 16 14:16:04 netserv kernel: kern_mkdir(c549d000,bf=
 bfeb16,0,1ff,e78b3d2c,...) at kern_mkdir+0x2e<br />Aug 16 14:16:04 netserv =
 kernel: mkdir(c549d000,e78b3cf8,8,c,c0d56dc0,...) at mkdir+0x29<br />Aug 16=
  14:16:05 netserv kernel: syscall(e78b3d38) at syscall+0x2a3<br />Aug 16 14=
 :16:05 netserv kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20<br />Aug=
  16 14:16:05 netserv kernel: --- syscall (136, FreeBSD ELF32, mkdir), eip =
 =3D 0x281698e3, esp =3D 0xbfbfe86c, ebp =3D 0xbfbfe938 ---<br />Aug 16 16:0=
 2:40 netserv su: pc to root on /dev/ttyv2<br />Aug 16 16:05:17 netserv sshd=
 [9432]: error: ssh_msg_send: write<br />Aug 17 10:48:25 netserv ntpd[49261]=
 : ntpd 4.2.4p5-a (1)<br />Aug 17 10:52:11 netserv ntpd[49262]: kernel time =
 sync status change 2001<br />Aug 17 15:44:14 netserv sudo:&nbsp;&nbsp;&nbsp=
 ;&nbsp;&nbsp;&nbsp; pc : TTY=3Dttyv2 ; PWD=3D/usr/Src-RELENG_8/tools/tools/=
 vimage ; USER=3Droot ; COMMAND=3D/usr/bin/make all install<br />Aug 17 15:4=
 7:01 netserv pc: /etc/rc.d/jail: WARNING: devfs_domount(): Unable to mount =
 devfs on /usr/jails/spielwiese/dev<br />Aug 17 15:47:01 netserv pc: /etc/rc=
 .d/jail: WARNING: devfs_mount_jail: devfs was not mounted on /usr/jails/spi=
 elwiese/dev<br />Aug 17 15:47:17 netserv sudo:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
 ;&nbsp; pc : TTY=3Dttyv2 ; PWD=3D/usr/home/pc ; USER=3Droot ; COMMAND=3D/us=
 r/local/bin/ezjail-admin start spielwiese<br />Aug 17 15:47:18 netserv kern=
 el: lock order reversal:<br />Aug 17 15:47:18 netserv kernel: 1st 0xc901dce=
 8 ufs (ufs) @ /usr/Src-RELENG_8/sys/kern/vfs_mount.c:1054<br />Aug 17 15:47=
 :18 netserv kernel: 2nd 0xc9dfa7ac devfs (devfs) @ /usr/Src-RELENG_8/sys/ke=
 rn/vfs_subr.c:2083<br />Aug 17 15:47:18 netserv kernel: KDB: stack backtrac=
 e:<br />Aug 17 15:47:18 netserv kernel: db_trace_self_wrapper(c0c73804,e78a=
 d814,c08c0d25,c08b1a0b,c0c7675b,...) at db_trace_self_wrapper+0x26<br />Aug=
  17 15:47:18 netserv kernel: kdb_backtrace(c08b1a0b,c0c7675b,c4d2f1c0,c4d2f=
 0f0,e78ad870,...) at kdb_backtrace+0x29<br />Aug 17 15:47:18 netserv kernel=
 : _witness_debugger(c0c7675b,c9dfa7ac,c0c6529f,c4d2f0f0,c0c7db33,...) at _w=
 itness_debugger+0x25<br />Aug 17 15:47:18 netserv kernel: witness_checkorde=
 r(c9dfa7ac,9,c0c7db33,823,0,...) at witness_checkorder+0x839<br />Aug 17 15=
 :47:18 netserv kernel: __lockmgr_args(c9dfa7ac,80100,c9dfa7c8,0,0,...) at _=
 _lockmgr_args+0x7a7<br />Aug 17 15:47:18 netserv kernel: vop_stdlock(e78ad9=
 78,c08c0acb,c0c654e2,80100,c9dfa754,...) at vop_stdlock+0x62<br />Aug 17 15=
 :47:18 netserv kernel: VOP_LOCK1_APV(c0d52ae0,e78ad978,c549d524,c0d90140,c9=
 dfa754,...) at VOP_LOCK1_APV+0xb5<br />Aug 17 15:47:18 netserv kernel: _vn_=
 lock(c9dfa754,80100,c0c7db33,823,8,...) at _vn_lock+0x5e<br />Aug 17 15:47:=
 18 netserv kernel: vget(c9dfa754,80100,c549d480,15e,c0c653fb,...) at vget+0=
 xb9<br />Aug 17 15:47:18 netserv kernel: devfs_allocv(c5ce4c00,c51ca78c,e78=
 ada10,9d,c0f31578,...) at devfs_allocv+0x102<br />Aug 17 15:47:18 netserv k=
 ernel: devfs_root(c51ca78c,80000,e78adc30,42c,0,...) at devfs_root+0x4a<br =
 />Aug 17 15:47:18 netserv kernel: vfs_donmount(c549d480,0,c5ccea80,c5ccea80=
 ,bfbfdac9,...) at vfs_donmount+0x14c2<br />Aug 17 15:47:18 netserv kernel: =
 nmount(c549d480,e78adcf8,c,c,c0d58838,...) at nmount+0x75<br />Aug 17 15:47=
 :18 netserv kernel: syscall(e78add38) at syscall+0x2a3<br />Aug 17 15:47:18=
  netserv kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20<br />Aug 17 15=
 :47:18 netserv kernel: --- syscall (378, FreeBSD ELF32, nmount), eip =3D 0x=
 280e876b, esp =3D 0xbfbfda9c, ebp =3D 0xbfbfdff8 ---<br /><br />
         <div class=3D"signature"><br /><br /><br />-- <br />Jetzt kostenlos=
  herunterladen: Internet Explorer 8 und Mozilla Firefox 3 -<br />sicherer, =
 schneller und einfacher! http://portal.gmx.net/de/go/chbrowser</div></body>
     </html>
 
 --========GMXBoundary238161250800898746752--


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