Date: Tue, 18 Mar 1997 00:36:58 -0400 (AST) From: The Hermit Hacker <scrappy@thelab.hub.org> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/3017: panic: page fault as of March 11th v2.2 Message-ID: <199703180436.AAA08732@thelab.hub.org> Resent-Message-ID: <199703180440.UAA01508@freefall.freebsd.org>
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>Number: 3017
>Category: kern
>Synopsis: panic: page fault as of March 11th v2.2
>Confidential: yes
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Mar 17 20:40:01 PST 1997
>Last-Modified:
>Originator: The Hermit Hacker
>Organization:
>Release: FreeBSD 2.2-GAMMA i386
>Environment:
2.2 kernel based on March 11th sources
>Description:
hub# gdb -k kernel.Mar11 vmcore.10
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under certain conditions; type "show copying" to see the conditions.
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GDB 4.13 (i386-unknown-freebsd),
Copyright 1994 Free Software Foundation, Inc...
IdlePTD 1b2000
current pcb at 1988e4
panic: page fault
#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 0xf010cf32 in panic (fmt=0xf01773bf "page fault")
at ../../kern/kern_shutdown.c:367
#2 0xf0177f26 in trap_fatal (frame=0xefbffe74) at ../../i386/i386/trap.c:742
#3 0xf0177a14 in trap_pfault (frame=0xefbffe74, usermode=0)
at ../../i386/i386/trap.c:653
#4 0xf01776ef in trap (frame={tf_es = -272695280, tf_ds = -267386864,
tf_edi = -210034688, tf_esi = -220481536, tf_ebp = -272630032,
tf_isp = -272630116, tf_ebx = -219823232, tf_edx = 51,
tf_ecx = -1073610720, tf_eax = -215965696, tf_trapno = 12,
tf_err = -267255808, tf_eip = -267249708, tf_cs = 8, tf_eflags = 66118,
tf_esp = 1024, tf_ss = -213830656}) at ../../i386/i386/trap.c:311
#5 0xf0170061 in calltrap ()
#6 0xf0116459 in soo_read (fp=0xf3d4ff40, uio=0xefbfff38, cred=0xf351c000)
at ../../kern/sys_socket.c:70
#7 0xf0113c8f in read (p=0xf3413400, uap=0xefbfff94, retval=0xefbfff84)
at ../../kern/sys_generic.c:116
#8 0xf0178163 in syscall (frame={tf_es = 135004199, tf_ds = -272695257,
tf_edi = 33554432, tf_esi = 196312, tf_ebp = -272638956,
tf_isp = -272629788, tf_ebx = 196400, tf_edx = 1024, tf_ecx = 25,
tf_eax = 3, tf_trapno = 0, tf_err = 7, tf_eip = 134903361, tf_cs = 31,
tf_eflags = 514, tf_esp = -272638980, tf_ss = 39})
at ../../i386/i386/trap.c:890
#9 0xf01700b5 in Xsyscall ()
#10 0x100b9 in ?? ()
#11 0xa41f in ?? ()
#12 0xd236 in ?? ()
#13 0x1096 in ?? ()
(kgdb) up 6
#6 0xf0116459 in soo_read (fp=0xf3d4ff40, uio=0xefbfff38, cred=0xf351c000)
at ../../kern/sys_socket.c:70
70 return (soreceive((struct socket *)fp->f_data, (struct mbuf **)0,
(kgdb) list
65 struct file *fp;
66 struct uio *uio;
67 struct ucred *cred;
68 {
69
70 return (soreceive((struct socket *)fp->f_data, (struct mbuf **)0,
71 uio, (struct mbuf **)0, (struct mbuf **)0, (int *)0));
72 }
73
74 /* ARGSUSED */
>How-To-Repeat:
>Fix:
>Audit-Trail:
>Unformatted:
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