Date: Sun, 10 Oct 1999 12:10:01 -0700 (PDT) From: David Gilbert <dgilbert@velocet.ca> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/14141: 3.3-RELEASE crashing often Message-ID: <199910101910.MAA80862@freefall.freebsd.org>
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The following reply was made to PR kern/14141; it has been noted by GNATS.
From: David Gilbert <dgilbert@velocet.ca>
To: freebsd-gnats-submit@freebsd.org
Cc:
Subject: Re: kern/14141: 3.3-RELEASE crashing often
Date: Sun, 10 Oct 1999 15:02:32 -0400 (EDT)
More news on this one. We moved to new hardware, and now I'm getting
multiple crashes with the following signature:
The common things here seem to be the vfork() --> fork1() --> fdcopy()
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xd
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc01435d7
stack pointer = 0x10:0xcc348f08
frame pointer = 0x10:0xcc348f2c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 38090 (httpd_1.3.9)
interrupt mask =
trap number = 12
panic: page fault
(kgdb) bt
#0 boot (howto=256) at ../../kern/kern_shutdown.c:285
#1 0xc014aad1 in panic (fmt=0xc02385ba "page fault")
at ../../kern/kern_shutdown.c:446
#2 0xc0209712 in trap_fatal (frame=0xcc348ecc, eva=13)
at ../../i386/i386/trap.c:942
#3 0xc02093cb in trap_pfault (frame=0xcc348ecc, usermode=0, eva=13)
at ../../i386/i386/trap.c:835
#4 0xc0208ffe in trap (frame={tf_es = 16, tf_ds = 16, tf_edi = -1044124544,
tf_esi = -1037650432, tf_ebp = -868970708, tf_isp = -868970764,
tf_ebx = 1769, tf_edx = -1052106376, tf_ecx = 0, tf_eax = 1,
tf_trapno = 12, tf_err = 2, tf_eip = -1072417321, tf_cs = 8,
tf_eflags = 66050, tf_esp = -1052187648, tf_ss = -1052089344})
at ../../i386/i386/trap.c:437
#5 0xc01435d7 in fdcopy (p=0xcc3079c0) at ../../kern/kern_descrip.c:951
#6 0xc014587b in fork1 (p1=0xcc3079c0, flags=-2147483596)
at ../../kern/kern_fork.c:379
#7 0xc014533b in vfork (p=0xcc3079c0, uap=0xcc348f94)
at ../../kern/kern_fork.c:109
#8 0xc020995b in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 226087504,
tf_esi = 226086800, tf_ebp = -1077949752, tf_isp = -868970524,
tf_ebx = 673171048, tf_edx = 226066448, tf_ecx = 672877149, tf_eax = 66,
tf_trapno = 7, tf_err = 2, tf_eip = 672936705, tf_cs = 31,
tf_eflags = 514, tf_esp = -1077949796, tf_ss = 39})
at ../../i386/i386/trap.c:1100
#9 0xc01feedc in Xint0x80_syscall ()
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