Date: Tue, 15 Apr 1997 16:21:52 -0700 (PDT) From: Jaye Mathisen <mrcpu@cdsnet.net> To: hackers@freebsd.org Subject: Panic: vm_fault: fault on nofault entry Message-ID: <Pine.NEB.3.95.970415160554.23227J-100000@mail.cdsnet.net>
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RELENG_2_2, supped 4/15.
Never rains but it pours.
I was using INN's fastrm to delete files (interesting to note that using
xargs rm does not cause the panic, or at least, it hasn't so far).
# gdb -k kernel.19 vmcore.19
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under certain conditions; type "show copying" to see the conditions.
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GDB 4.16 (i386-unknown-freebsd),
Copyright 1996 Free Software Foundation, Inc...
IdlePTD 8df000
current pcb at 1e7fc8
panic: vm_fault: fault on nofault entry, addr: %lx
#0 boot (howto=256) at ../../kern/kern_shutdown.c:243
243 dumppcb.pcb_cr3 = rcr3();
(kgdb) where
#0 boot (howto=256) at ../../kern/kern_shutdown.c:243
#1 0xf0112df3 in panic (
fmt=0xf01a0d72 "vm_fault: fault on nofault entry, addr: %lx")
at ../../kern/kern_shutdown.c:367
#2 0xf01a0e9a in vm_fault (map=0xf4354f00, vaddr=4140339200,
fault_type=1 '\001', change_wiring=0) at ../../vm/vm_fault.c:201
#3 0xf01bdb7c in trap_pfault (frame=0xefbffcec, usermode=0)
at ../../i386/i386/trap.c:642
#4 0xf01bd82b in trap (frame={tf_es = -267190256, tf_ds = -190447600,
tf_edi = 56320, tf_esi = -154628096, tf_ebp = -272630440,
tf_isp = -272630508, tf_ebx = 4096, tf_edx = -191045632, tf_ecx =
256,
tf_eax = 57344, tf_trapno = 12, tf_err = 0, tf_eip = -266614536,
tf_cs = 8, tf_eflags = 66054, tf_esp = 4096, tf_ss = -272629960})
at ../../i386/i386/trap.c:311
#5 0xf01bc8f8 in ?? ()
#6 0xf014ec82 in nfs_bioread (vp=0xf4a6b380, uio=0xefbfff38, ioflag=0,
cred=0xf4a5a380) at ../../nfs/nfs_bio.c:383
#7 0xf017d572 in nfs_readdir (ap=0xefbfff08) at
../../nfs/nfs_vnops.c:2027
#8 0xf0135f16 in getdirentries (p=0xf49ce000, uap=0xefbfff94,
retval=0xefbfff84) at vnode_if.h:639
#9 0xf01be32f in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 28704,
tf_esi = 29664, tf_ebp = -272639992, tf_isp = -272629788,
tf_ebx = 268939360, tf_edx = 55, tf_ecx = 57, tf_eax = 196,
---Type <return> to continue, or q <return> to quit---
tf_trapno = 7, tf_err = 7, tf_eip = 268733297, tf_cs = 31,
tf_eflags = 582, tf_esp = -272640024, tf_ss = 39})
at ../../i386/i386/trap.c:890
#10 0x10048b71 in ?? ()
#11 0x22ea in ?? ()
#12 0x2753 in ?? ()
#13 0x1095 in ?? ()
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