Date: Sat, 4 Dec 1999 22:52:19 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: tstromberg@rtci.com Cc: freebsd-current@FreeBSD.ORG, mdillon@apollo.backplane.com Subject: Re: More crashes under heavy exec() load in -CURRENT (and strange savecore) Message-ID: <Pine.BSF.4.10.9912042249340.3611-100000@alphplex.bde.org> In-Reply-To: <84694702.944254987164.JavaMail.chenresig@karma>
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> #0 boot (howto=256) at ../../kern/kern_shutdown.c:273
> 273 dumppcb.pcb_cr3 = rcr3();
> (kgdb) bt
> #0 boot (howto=256) at ../../kern/kern_shutdown.c:273
> #1 0xc0132295 in panic (fmt=0xc0244fcf "page fault") at ../../kern/kern_shutdown.c:523
> #2 0xc02158e2 in trap_fatal (frame=0xcf71ad9c, eva=0) at ../../i386/i386/trap.c:908
> #3 0xc0215595 in trap_pfault (frame=0xcf71ad9c, usermode=0, eva=0) at ../../i386/i386/trap.c:801
> #4 0xc0215167 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16777232, tf_edi = 0, tf_esi = -1071179392, tf_ebp = -814633492,
> tf_isp = -814633528, tf_ebx = -1071179392, tf_edx = 0, tf_ecx = 11, tf_eax = 0, tf_trapno = 12, tf_err = 2,
> tf_eip = -1071807687, tf_cs = 8, tf_eflags = 66118, tf_esp = -1071172824, tf_ss = -814624768})
> at ../../i386/i386/trap.c:425
> #5 0xc01d8339 in _vm_map_clip_end (map=0xc0273328, entry=0xc0271980, end=3480358912) at ../../vm/vm_map.c:835
> #6 0xc01d93bf in vm_map_delete (map=0xc0273328, start=3480342528, end=3480358912) at ../../vm/vm_map.c:1751
> #7 0xc01d9536 in vm_map_remove (map=0xc0273328, start=3480342528, end=3480358912) at ../../vm/vm_map.c:1822
> #8 0xc01d747d in kmem_free (map=0xc0273328, addr=3480342528, size=16384) at ../../vm/vm_kern.c:233
> #9 0xc0141731 in pipeclose (cpipe=0xccd40a20) at ../../kern/sys_pipe.c:1093
> #10 0xc014161d in pipe_close (fp=0xc3154540, p=0xcf67a300) at ../../kern/sys_pipe.c:1049
PR 15235 has some fixes for pipe bugs.
Bruce
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