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Date:      Mon, 12 Sep 2005 14:40:40 +0200
From:      Rene Ladan <r.c.ladan@student.tue.nl>
To:        stable@freebsd.org
Subject:   6.0BETA4: panic: unrhdr has 9 allocations
Message-ID:  <20050912124039.GA723@82-168-75-155-bbxl.xdsl.tiscali.nl>
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Hi,

on

FreeBSD 6.0-BETA4 #10: Sun Sep  4 22:19:26 CEST 2005 /usr/obj/usr/src/sys/R=
ENE=20

I saw this panic after the following:

# mount_procfs procfs /proc
  (loads procfs.ko and pseudofs.ko)
<play with truss>
# umount /proc
# kldunload procfs

I'll leave the dump around for a while.

#0  doadump () at pcpu.h:165
165	pcpu.h: No such file or directory.
	in pcpu.h
(kgdb) bt f
#0  doadump () at pcpu.h:165
No locals.
#1  0xc044c9a6 in db_fncall (dummy1=3D0, dummy2=3D0, dummy3=3D1999,=20
    dummy4=3D0xcf174a3c " =DFu=C0") at /usr/src/sys/ddb/db_command.c:489
	fn_addr =3D -1068248576
	args =3D {0, -820557304, -1066944787, -1065639616, 28, -820557304,=20
  -1069226763, 32, -1066234688, 2}
	nargs =3D 0
	retval =3D 544973344
	t =3D 0
#2  0xc044c722 in db_command (last_cmdp=3D0xc075d624, cmd_table=3D0x0,=20
    aux_cmd_tablep=3D0xc07235f0, aux_cmd_tablep_end=3D0xc07235f4)
    at /usr/src/sys/ddb/db_command.c:349
	cmd =3D (struct command *) 0xc0728e40
	t =3D 0
	modif =3D " =DFu=C0\000\000\000\000XJ\027=CF\r\000\000\000=A0=D8|=C0\r\000=
\000\000\001\000\000\000xJ\027=CF=C6=D9i=C0@=A1{=C0\aK\000 $=D9|=C0=C0\037{=
=C0 =DFu=C0x\000\000\000 =DFu=C0\000\000\000\000\234J\027=CF=F1=EDD=C0=C7\0=
05p=C0p=EAD=C0\000\000\000\000\020\000\000\000\000\000\000\000 =DFu=C0\206=
=E0D=C0 =DFu=C0=D8=D6u=C0x\000\000\000\000K\027=CF"
	addr =3D 0
	count =3D 1999
	have_addr =3D 0
	result =3D 0
#3  0xc044c835 in db_command_loop () at /usr/src/sys/ddb/db_command.c:455
No locals.
#4  0xc044e9a5 in db_trap (type=3D3, code=3D0) at /usr/src/sys/ddb/db_main.=
c:221
	jb =3D {{_jb =3D {-820557056, -820557084, -820557004, -1042394752, 0,=20
      -1069225658, 0, 0, 0, 0, -820557004, -1068123920}}}
	prev_jb =3D (void *) 0x0
	bkpt =3D 0
#5  0xc055b977 in kdb_trap (type=3D0, code=3D0, tf=3D0xcf174b94)
    at /usr/src/sys/kern/subr_kdb.c:473
	handled =3D -820556908
#6  0xc06be108 in trap (frame=3D
      {tf_fs =3D -1066401784, tf_es =3D 40, tf_ds =3D -820576216, tf_edi =
=3D 1, tf_esi =3D -1066387444, tf_ebp =3D -820556836, tf_isp =3D -820556864=
, tf_ebx =3D -820556780, tf_edx =3D 0, tf_ecx =3D -1056878592, tf_eax =3D 1=
8, tf_trapno =3D 3, tf_err =3D 0, tf_eip =3D -1068124560, tf_cs =3D 32, tf_=
eflags =3D 642, tf_esp =3D -1066392053, tf_ss =3D -1066400620}) at /usr/src=
/sys/i386/i386/trap.c:601
	td =3D (struct thread *) 0xc1de5180
	p =3D (struct proc *) 0xc16d520c
	sticks =3D 3229006976
	i =3D 0
	ucode =3D 0
	type =3D 3
	code =3D 0
	eva =3D 0
#7  0xc06ab72a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
No locals.
#8  0xc0700008 in ?? ()
No symbol table info available.
#9  0x00000028 in ?? ()
No symbol table info available.
#10 0xcf170028 in ?? ()
No symbol table info available.
#11 0x00000001 in ?? ()
No symbol table info available.
#12 0xc070380c in ?? ()
No symbol table info available.
#13 0xcf174bdc in ?? ()
No symbol table info available.
#14 0xcf174bc0 in ?? ()
No symbol table info available.
#15 0xcf174c14 in ?? ()
No symbol table info available.
#16 0x00000000 in ?? ()
No symbol table info available.
#17 0xc1015000 in ?? ()
No symbol table info available.
#18 0x00000012 in ?? ()
No symbol table info available.
#19 0x00000003 in ?? ()
No symbol table info available.
#20 0x00000000 in ?? ()
No symbol table info available.
#21 0xc055b670 in kdb_enter (msg=3D0x0) at cpufunc.h:60
No locals.
#22 0xc053dab5 in panic (fmt=3D0xc070380c "unrhdr has %u allocations")
    at /usr/src/sys/kern/kern_shutdown.c:537
	td =3D (struct thread *) 0xc1de5180
	bootopt =3D 256
	newpanic =3D 1
	ap =3D 0xcf174c14 "\t"
	buf =3D "unrhdr has 9 allocations", '\0' <repeats 231 times>
#23 0xc0565e62 in delete_unrhdr (uh=3D0x0) at /usr/src/sys/kern/subr_unit.c=
:321
No locals.
#24 0xc271f54a in ?? ()
No symbol table info available.
#25 0xc21dfa80 in ?? ()
No symbol table info available.
#26 0xc07659dc in lockbuilder_pool ()
No symbol table info available.
#27 0xc26457a0 in ?? ()
No symbol table info available.
#28 0xc26457a0 in ?? ()
No symbol table info available.
#29 0xcf174c40 in ?? ()
No symbol table info available.
#30 0xc2644089 in ?? ()
No symbol table info available.
#31 0xc2645840 in ?? ()
No symbol table info available.
#32 0xc26457a0 in ?? ()
No symbol table info available.
#33 0xcf174c54 in ?? ()
No symbol table info available.
#34 0xc059dbab in vfs_unregister (vfc=3D0xc26457a0)
    at /usr/src/sys/kern/vfs_init.c:265
	vfsp =3D (struct vfsconf *) 0xc2645840
	error =3D 0
	maxtypenum =3D 0
Previous frame inner to this frame (corrupt stack?)
(kgdb) q
--=20
GPG fingerprint =3D 5FFA 3959 3377 C697 8428  24D0 BF3E F4A9 AE33 5DCC

"It won't fit on the line."
		-- me, 2001

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