Date: Mon, 17 May 2004 16:31:15 -0400 From: "Robin P. Blanchard" <robin.blanchard@gactr.uga.edu> To: <current@freebsd.org> Subject: RE: panic: lockmgr: locking against myself (kern/64206) Message-ID: <9B5C1FCAFB35084787C21EFFFA78DD9EE395@EBE1.gc.nat>
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After some googling around, I found kern/64206, which indicates =
disabling
softupdates as a work-around for this problem...Disabled softupdates =
across
the board and wound up witht the following instead. I have dumps =
available...
# gdb -k /usr/obj/usr/src/sys/fbsd5.vpn/kernel.debug ./vmcore.8=20
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you =
are
welcome to change it and/or distribute copies of it under certain =
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for =
details.
This GDB was configured as "i386-undermydesk-freebsd"...
panic: page fault
panic messages:
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
236 dumping++;
(kgdb) exec-file /boot/kernel/kernel
(kgdb) bt full
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
No locals.
#1 0xc04cdca6 in boot (howto=3D256) at =
/usr/src/sys/kern/kern_shutdown.c:370
No locals.
#2 0xc04ce0dc in __panic () at /usr/src/sys/kern/kern_shutdown.c:548
td =3D (struct thread *) 0xc26c5b00
bootopt =3D 256
newpanic =3D 0
ap =3D 0xd25296d8 "=D5@f=C0\001"
buf =3D "page fault", '\0' <repeats 245 times>
#3 0xc061e3cc in trap_fatal (frame=3D0xd252977c, eva=3D0) at
/usr/src/sys/i386/i386/trap.c:815
code =3D 16
type =3D 12
ss =3D 16
esp =3D 0
softseg =3D {ssd_base =3D 0, ssd_limit =3D 1048575, ssd_type =3D =
27, ssd_dpl
=3D 0, ssd_p =3D 1, ssd_xx =3D 0,=20
ssd_xx1 =3D 0, ssd_def32 =3D 1, ssd_gran =3D 1}
#4 0xc061e052 in trap_pfault (frame=3D0xd252977c, usermode=3D0, =
eva=3D3833069557)
at /usr/src/sys/i386/i386/trap.c:733
va =3D 3833065472
vm =3D (struct vmspace *) 0x0
map =3D 0x1
rv =3D 1
ftype =3D 1 '\001'
td =3D (struct thread *) 0xc26c5b00
p =3D (struct proc *) 0xc28ad000
#5 0xc061dc0d in trap (frame=3D
{tf_fs =3D -766377960, tf_es =3D -1068236784, tf_ds =3D =
-766377968, tf_edi =3D
-1033086208, tf_esi =3D -1030546384, tf_ebp =3D 1847621996, tf_isp =3D =
-766339160,
tf_ebx =3D -1030546384, tf_edx =3D 0, tf_ecx =3D -1030546384, tf_eax =3D =
0, tf_trapno
=3D 12, tf_err =3D 0, tf_eip =3D -461897739, tf_cs =3D 8, tf_eflags =3D =
66178, tf_esp =3D
-1030546384, tf_ss =3D 65554}) at /usr/src/sys/i386/i386/trap.c:420
td =3D (struct thread *) 0xc26c5b00
p =3D (struct proc *) 0xc28ad000
sticks =3D 3264420912
i =3D 0
ucode =3D 0
type =3D 12
code =3D 0
eva =3D 3833069557
#6 0xe477fff5 in ?? ()
No symbol table info available.
---Can't read userspace from dump, or kernel process---
---------------------------------------
Robin P. Blanchard
Systems Integration Specialist
Georgia Center for Continuing Education
fon: 706.542.2404 < > fax: 706.542.6546
---------------------------------------
=20
> -----Original Message-----
> From: owner-freebsd-current@freebsd.org=20
> [mailto:owner-freebsd-current@freebsd.org] On Behalf Of Robin=20
> P. Blanchard
> Sent: Monday, May 17, 2004 3:46 PM
> To: current@freebsd.org
> Subject: panic: lockmgr: locking against myself (was Panic on=20
> very recent-CURRENT)
>=20
> Updated to latest -CURRENT and am getting (what seems to be)=20
> the same panic.
> Panics are being brought on by heavy building of various ports.
>=20
> # gdb -k /usr/obj/usr/src/sys/fbsd5.vpn/kernel.debug=20
> ./vmcore.7 GNU gdb 5.2.1 (FreeBSD) Copyright 2002 Free=20
> Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public=20
> License, and you are welcome to change it and/or distribute=20
> copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show=20
> warranty" for details.
> This GDB was configured as "i386-undermydesk-freebsd"...
> panic: lockmgr: locking against myself
> panic messages:
> ---
> panic: lockmgr: locking against myself
> at line 370 in file /usr/src/sys/kern/kern_lock.c cpuid =3D 0;=20
>=20
> syncing disks, buffers remaining... kernel trap 12 with=20
> interrupts disabled
>=20
>=20
> Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =
=3D 00
> fault virtual address =3D 0x24
> fault code =3D supervisor read, page not present
> instruction pointer =3D 0x8:0xc04f948e
> stack pointer =3D 0x10:0xc9567c38
> frame pointer =3D 0x10:0xc9567c58
> code segment =3D base 0x0, limit 0xfffff, type 0x1b
> =3D DPL 0, pres 1, def32 1, gran 1
> processor eflags =3D resume, IOPL =3D 0
> current process =3D 28 (swi8: tty:sio clock)
> trap number =3D 12
> panic: page fault
> at line 815 in file /usr/src/sys/i386/i386/trap.ccpuid =3D 0;
> Uptime: 29m7s
> Dumping 127 MB
> ...snip...
> #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
> 236 dumping++;
> (kgdb) bt full
> #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
> No locals.
> #1 0xc04cdca6 in boot (howto=3D260) at=20
> /usr/src/sys/kern/kern_shutdown.c:370
> No locals.
> #2 0xc04ce0dc in __panic () at /usr/src/sys/kern/kern_shutdown.c:548
> td =3D (struct thread *) 0xc0ec2000
> bootopt =3D 260
> newpanic =3D 0
> ap =3D 0xc9567b84 "=D5@f=C0\001"
> buf =3D "lockmgr: locking against myself", '\0'=20
> <repeats 224 times>
> #3 0xc061e3cc in trap_fatal (frame=3D0xc9567bf8, eva=3D0) at
> /usr/src/sys/i386/i386/trap.c:815
> code =3D 16
> type =3D 12
> ss =3D 16
> esp =3D 0
> softseg =3D {ssd_base =3D 0, ssd_limit =3D 1048575,=20
> ssd_type =3D 27, ssd_dpl =3D 0, ssd_p =3D 1, ssd_xx =3D 0,
> ssd_xx1 =3D 0, ssd_def32 =3D 1, ssd_gran =3D 1}
> #4 0xc061da23 in trap (frame=3D
> {tf_fs =3D 24, tf_es =3D -1066860528, tf_ds =3D -1032060912,=20
> tf_edi =3D 0, tf_esi =3D -1066762520, tf_ebp =3D -917078952, tf_isp=20
> =3D -917079004, tf_ebx =3D -1030883264, tf_edx =3D -1058267136,=20
> tf_ecx =3D -1058267136, tf_eax =3D 36, tf_trapno =3D 12, tf_err =3D=20
> 0, tf_eip =3D -1068526450, tf_cs =3D 8, tf_eflags =3D 65683, tf_esp=20
> =3D -1066802016, tf_ss =3D -1058229392}) at=20
> /usr/src/sys/i386/i386/trap.c:250
> td =3D (struct thread *) 0xc0ec2000
> p =3D (struct proc *) 0xc0ecb370
> sticks =3D 3228165280
> i =3D 0
> ucode =3D 0
> type =3D 12
> code =3D 0
> eva =3D 36
> #5 0xc04f948e in propagate_priority (td=3D0xc28df840) at
> /usr/src/sys/kern/subr_turnstile.c:225
> tc =3D (struct turnstile_chain *) 0xc06a7ee8
> ts =3D (struct turnstile *) 0x0
> td1 =3D (struct thread *) 0x0
> pri =3D 36
> #6 0xc04f9d14 in turnstile_wait (ts=3D0xc0ec5080,=20
> lock=3D0xc069c640, owner=3D0x0)
> at /usr/src/sys/kern/subr_turnstile.c:505
> tc =3D (struct turnstile_chain *) 0xc06a7dd0
> td =3D (struct thread *) 0xc0ec2000
> td1 =3D (struct thread *) 0xc069c640
> #7 0xc04c2ec5 in _mtx_lock_sleep (m=3D0xc069c640, opts=3D0,=20
> file=3D0x0, line=3D0)
> at /usr/src/sys/kern/kern_mutex.c:541
> ts =3D (struct turnstile *) 0x0
> td =3D (struct thread *) 0xc0ec2000
> v =3D 0
> #8 0xc04e0482 in softclock (dummy=3D0x0) at
> /usr/src/sys/kern/kern_timeout.c:246
> c_func =3D (void (*)(void *)) 0xc06007f0 <scrn_timer>
> c_arg =3D (void *) 0xc06cae60
> c_flags =3D 7
> c =3D (struct callout *) 0x0
> bucket =3D (struct callout_tailq *) 0xc4d87950
> curticks =3D 174662
> steps =3D 7
> depth =3D 1
> mpcalls =3D 0
> gcalls =3D 0
> wakeup_cookie =3D 7
> #9 0xc04b74f8 in ithread_loop (arg=3D0xc2572280) at
> /usr/src/sys/kern/kern_intr.c:574
> ithd =3D (struct ithd *) 0xc2572280
> ih =3D (struct intrhand *) 0xc0ec4240
> td =3D (struct thread *) 0xc0ec2000
> p =3D (struct proc *) 0xc0ecb370
> count =3D 1
> warned =3D 0
> #10 0xc04b6118 in fork_exit (callout=3D0xc04b72c0=20
> <ithread_loop>, arg=3D0x0,
> frame=3D0x0)
> at /usr/src/sys/kern/kern_fork.c:816
> p =3D (struct proc *) 0xc0ecb370
> td =3D (struct thread *) 0x0
> (kgdb)=20
>=20
> ---------------------------------------
> Robin P. Blanchard
> Systems Integration Specialist
> Georgia Center for Continuing Education
> fon: 706.542.2404 < > fax: 706.542.6546
> ---------------------------------------
> =20
>=20
> > -----Original Message-----
> > From: Robin P. Blanchard
> > Sent: Monday, May 17, 2004 11:40 AM
> > To: current@freebsd.org
> > Subject: Panic on very recent -CURRENT
> >=20
> > Ident of kernel at:
> > http://people.gactr.uga.edu/robin/kernel_ident.txt
> >=20
> >=20
> > # gdb -k /usr/obj/usr/src/sys/fbsd5.vpn/kernel.debug
> > ./vmcore.5 GNU gdb 5.2.1 (FreeBSD) Copyright 2002 Free Software=20
> > Foundation, Inc.
> > GDB is free software, covered by the GNU General Public=20
> License, and=20
> > you are welcome to change it and/or distribute copies of it under=20
> > certain conditions.
> > Type "show copying" to see the conditions.
> > There is absolutely no warranty for GDB. Type "show warranty" for=20
> > details.
> > This GDB was configured as "i386-undermydesk-freebsd"...
> > panic: lockmgr: locking against myself panic messages:
> > ---
> > panic: lockmgr: locking against myself at line 370 in file=20
> > /usr/src/sys/kern/kern_lock.c cpuid =3D 0;
> >=20
> > syncing disks, buffers remaining... 1401 1401 1400 panic:=20
> > bremfree: removing a buffer not on a queue at line 649 in file=20
> > /usr/src/sys/kern/vfs_bio.ccpuid =3D 0;
> > Uptime: 3h52m23s
> > Dumping 127 MB
> > 16 32 48 64 80 96 112
> >=20
> > #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
> > 236 dumping++;
> > (kgdb) exec-file /boot/kernel/kernel
> > (kgdb) bt full
> > #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:236
> > No locals.
> > #1 0xc04cdcc6 in boot (howto=3D260) at=20
> > /usr/src/sys/kern/kern_shutdown.c:370
> > No locals.
> > #2 0xc04ce0fc in __panic () at=20
> /usr/src/sys/kern/kern_shutdown.c:548
> > td =3D (struct thread *) 0xc27dc6e0
> > bootopt =3D 260
> > newpanic =3D 0
> > ap =3D 0xd255d834
> > =
"(\025=E3=C4(\025=E3=C4T=D8U=D2=BB=CEQ=C0(\025=E3=C4(\025=E3=C4(\025=E3=C4=
\""
> > buf =3D "lockmgr: locking against myself", '\0'=20
> > <repeats 224 times>
> > #3 0xc051cfc1 in bremfreel (bp=3D0xc4e31528) at
> > /usr/src/sys/kern/vfs_bio.c:649
> > old_qindex =3D 0
> > #4 0xc051cebb in bremfree (bp=3D0x0) at
> > /usr/src/sys/kern/vfs_bio.c:631 No locals.
> > #5 0xc052193e in getblk (vp=3D0xc26ea924, blkno=3D12000, =
size=3D2048,=20
> > slpflag=3D0, slptimeo=3D0, flags=3D0)
> > at /usr/src/sys/kern/vfs_bio.c:2472
> > lockflags =3D 0
> > bp =3D (struct buf *) 0xc4e31528
> > #6 0xc05b2b59 in ffs_sbupdate (mp=3D0xc2686300, waitfor=3D2) at
> > /usr/src/sys/ufs/ffs/ffs_vfsops.c:1482
> > fs =3D (struct fs *) 0xc269d800
> > bp =3D (struct buf *) 0x0
> > blks =3D 1
> > space =3D (void *) 0xc26cb000
> > i =3D 0
> > size =3D 2048
> > error =3D 0
> > allerror =3D 0
> > #7 0xc05b24c2 in ffs_sync (mp=3D0xc263d400, waitfor=3D2,=20
> cred=3D0xc0eb9200,=20
> > td=3D0xc0698ae0)
> > at /usr/src/sys/ufs/ffs/ffs_vfsops.c:1207
> > nvp =3D (struct vnode *) 0x0
> > vp =3D (struct vnode *) 0xc26ea924
> > devvp =3D (struct vnode *) 0xc26ea924
> > ip =3D (struct inode *) 0x0
> > ump =3D (struct ufsmount *) 0xc2686300
> > fs =3D (struct fs *) 0xc269d800
> > error =3D 0
> > count =3D 0
> > lockreq =3D 65554
> > allerror =3D 0
> > #8 0xc05363de in sync (td=3D0xc0698ae0, uap=3D0x0) at
> > /usr/src/sys/kern/vfs_syscalls.c:136
> > mp =3D (struct mount *) 0xc263d400
> > nmp =3D (struct mount *) 0x0
> > asyncflag =3D 0
> > #9 0xc04cd854 in boot (howto=3D256) at
> > /usr/src/sys/kern/kern_shutdown.c:302
> > bp =3D (struct buf *) 0xc4dadd68
> > iter =3D 0
> > nbusy =3D 1400
> > pbusy =3D 1400
> > subiter =3D 50
> > #10 0xc04ce0fc in __panic () at=20
> /usr/src/sys/kern/kern_shutdown.c:548
> > td =3D (struct thread *) 0xc27dc6e0
> > bootopt =3D 256
> > newpanic =3D 0=20
> > ap =3D 0xd255da1c "\""
> > buf =3D "lockmgr: locking against myself", '\0'=20
> > <repeats 224 times>
> > #11 0xc04bfe65 in lockmgr (lkp=3D0xc0ece5c4, flags=3D2,=20
> > interlkp=3D0x1000000, td=3D0xc27dc6e0)
> > at /usr/src/sys/kern/kern_lock.c:439
> > error =3D 0
> > thr =3D (struct thread *) 0xc27dc6e0
> > extflags =3D 16777216
> > lockflags =3D 2
> > #12 0xc05cd70a in _vm_map_lock_read (map=3D0x0, file=3D0x0,
> > line=3D0) at machine/pcpu.h:156 No locals.
> > #13 0xc05d1508 in vm_map_lookup (var_map=3D0xd255db1c, vaddr=3D0,
> > fault_typea=3D1 '\001', out_entry=3D0xd255db20,=20
> > object=3D0x0, pindex=3D0x0, out_prot=3D0x0, wired=3D0xd255daf8) =
at=20
> > /usr/src/sys/vm/vm_map.c:2867
> > entry =3D 0x0
> > map =3D 0xc0ece588
> > prot =3D 0 '\0'
> > fault_type =3D 1 '\001'
> > #14 0xc05c716f in vm_fault (map=3D0xc0ece588, vaddr=3D0,
> > fault_type=3D1 '\001', fault_flags=3D0)
> > at /usr/src/sys/vm/vm_fault.c:232
> > prot =3D 192 '=C0'
> > is_first_object_locked =3D -766125352
> > result =3D 0
> > growstack =3D 1
> > wired =3D -766125288
> > map_generation =3D -1033337320
> > next_object =3D 0x0
> > marray =3D {0x0, 0x0, 0xc0d30820, 0xc0532e4c, 0xc2688618,=20
> > 0x10002, 0xc8989070, 0xc27ccf00, 0x8051000,
> > 0xc0e75af8, 0xc0ece628, 0xd255db6c, 0xc06164dd, 0xc0c381c0, 0x0,=20
> > 0x246}
> > hardfault =3D 0
> > faultcount =3D -1058216568
> > fs =3D {m =3D 0xd255db34, object =3D 0xc05402b0, pindex =3D=20
> > 14014576280821825536, first_m =3D 0xc0e6edd8,
> > first_object =3D 0xc2688618, first_pindex =3D=20
> 14014576280821825536, map=20
> > =3D 0xc0ece588, entry =3D 0xc0dde568,
> > lookup_still_valid =3D 0, vp =3D 0xd255db34}
> > #15 0xc061a995 in trap_pfault (frame=3D0xd255dbf4, usermode=3D0,
> > eva=3D16) at /usr/src/sys/i386/i386/trap.c:710
> > va =3D 0
> > vm =3D (struct vmspace *) 0x0
> > map =3D 0xc0ece588
> > rv =3D -1058216568
> > ftype =3D 1 '\001'
> > td =3D (struct thread *) 0xc27dc6e0
> > p =3D (struct proc *) 0xc27dd1b8
> > #16 0xc061a65d in trap (frame=3D
> > {tf_fs =3D 672530456, tf_es =3D 16, tf_ds =3D 16, tf_edi =3D=20
> > -1058216568, tf_esi =3D -1032160388, tf_ebp =3D -766124984, tf_isp =
=3D=20
> > -766125024, tf_ebx =3D 0, tf_edx =3D 0, tf_ecx =3D 0, tf_eax =3D 0,=20
> tf_trapno=20
> > =3D 12, tf_err =3D 0, tf_eip =3D -1067654093, tf_cs =3D 8,=20
> tf_eflags =3D 66118,=20
> > tf_esp =3D 3, tf_ss =3D 0}) at /usr/src/sys/i386/i386/trap.c:420
> > td =3D (struct thread *) 0xc27dc6e0
> > p =3D (struct proc *) 0xc27dd1b8
> > sticks =3D 3528842444
> > i =3D 0
> > ucode =3D 0
> > type =3D 12
> > code =3D 0
> > eva =3D 16
> > #17 0xc05ce433 in vm_map_simplify_entry (map=3D0xc0ece588,
> > entry=3D0xc27a7b7c) at /usr/src/sys/vm/vm_map.c:1041
> > next =3D 0x0
> > prev =3D 0x0
> > prevsize =3D 0
> > esize =3D 0
> > #18 0xc05ce064 in vm_map_insert (map=3D0xc27a7b7c, =
object=3D0xc0ece588,=20
> > offset=3D0, start=3D134553600,
> > end=3D134557696, prot=3D7 '\a', max=3D7 '\a', cow=3D0) at
> > /usr/src/sys/vm/vm_map.c:815
> > new_entry =3D 0x0
> > prev_entry =3D 0xc27a7b7c
> > temp_entry =3D 0xc27a7b7c
> > protoeflags =3D 0
> > #19 0xc05dd536 in obreak (td=3D0x0, uap=3D0x0) at
> > /usr/src/sys/vm/vm_unix.c:119
> > vm =3D (struct vmspace *) 0xc0ece588
> > new =3D 0
> > old =3D 134553600
> > base =3D 0
> > datalim =3D -4545005548382553220
> > vmemlim =3D 9223372036854775807
> > rv =3D 0
> > error =3D 0
> > do_map_wirefuture =3D 0
> > #20 0xc061b200 in syscall (frame=3D
> > {tf_fs =3D 47, tf_es =3D 47, tf_ds =3D 47, tf_edi =3D=20
> 134557696, tf_esi=20
> > =3D 134553600, tf_ebp =3D -1077942680, tf_isp =3D -766124684, tf_ebx =
=3D=20
> > 672459276, tf_edx =3D 672449032, tf_ecx =3D 672449028, tf_eax =3D =
17,=20
> > tf_trapno =3D 12, tf_err =3D 2, tf_eip =3D 671988075, tf_cs =3D 31,=20
> tf_eflags=20
> > =3D 643, tf_esp =3D -1077942708, tf_ss =3D 47})
> > at /usr/src/sys/i386/i386/trap.c:1004
> > params =3D 0xbfbfe650---Can't read userspace from dump, or=20
> > kernel process---
> >=20
> > (kgdb)
> >=20
> >=20
> > ---------------------------------------
> > Robin P. Blanchard
> > Systems Integration Specialist
> > Georgia Center for Continuing Education
> > fon: 706.542.2404 < > fax: 706.542.6546
> > ---------------------------------------
> >=20
> _______________________________________________
> freebsd-current@freebsd.org mailing list=20
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to=20
> "freebsd-current-unsubscribe@freebsd.org"
>=20
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