Date: Sun, 31 Mar 1996 19:37:14 +0000 (GMT) From: Adam David <adam@veda.is> To: freebsd-current@freebsd.org Subject: panic: freeing held page, count=%d Message-ID: <199603311937.TAA01462@veda.is>
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March 30th kernel...
GDB 4.13 (i386-unknown-freebsd),
Copyright 1994 Free Software Foundation, Inc...
IdlePTD 1b1000
current pcb at 1a2820
panic: freeing held page, count=%d
#0 boot (howto=256) at ../../i386/i386/machdep.c:942
942 dumppcb.pcb_ptd = rcr3();
(kgdb) bt
#0 boot (howto=256) at ../../i386/i386/machdep.c:942
#1 0xf0112606 in panic (fmt=0xf0168f52 "freeing held page, count=%d")
at ../../kern/subr_prf.c:133
#2 0xf0169042 in vm_page_free (m=0xf01d7100) at ../../vm/vm_page.c:827
#3 0xf0166ef1 in vm_object_terminate (object=0xf08a4900)
at ../../vm/vm_object.c:409
#4 0xf0166d5b in vm_object_deallocate (object=0xf08a4900)
at ../../vm/vm_object.c:356
#5 0xf016513c in vm_map_entry_delete (map=0xf08be300, entry=0xf08cd400)
at ../../vm/vm_map.c:1620
#6 0xf016528e in vm_map_delete (map=0xf08be300, start=0, end=4026265600)
at ../../vm/vm_map.c:1715
#7 0xf0163c85 in vmspace_free (vm=0xf08be300) at ../../vm/vm_map.c:255
#8 0xf0178576 in cpu_wait (p=0xf0923e00) at ../../i386/i386/vm_machdep.c:628
#9 0xf0108301 in wait1 (q=0xf08b4200, uap=0xefbfff94, retval=0xefbfff84,
compat=0) at ../../kern/kern_exit.c:427
#10 0xf010812f in wait4 (p=0xf08b4200, uap=0xefbfff94, retval=0xefbfff84)
at ../../kern/kern_exit.c:324
#11 0xf0174e05 in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 0,
tf_esi = 1, tf_ebp = -272638812, tf_isp = -272629788,
tf_ebx = -272638748, tf_edx = 2, tf_ecx = -272638748, tf_eax = 7,
tf_trapno = 12, tf_err = 7, tf_eip = 177973, tf_cs = 31,
tf_eflags = 514, tf_esp = -272638832, tf_ss = 39})
at ../../i386/i386/trap.c:904
#12 0xf016d275 in Xsyscall ()
[...]
(kgdb) up 2
#2 0xf0169042 in vm_page_free (m=0xf01d7100) at ../../vm/vm_page.c:827
827 panic("freeing held page, count=%d", m->hold_count);
(kgdb) print m->hold_count
$1 = 1
(kgdb)
I will keep this coredump for a maximum of 3 days, if anyone needs more detail
from it.
--
Adam David <adam@veda.is>
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