Date: Wed, 11 Jul 2001 11:05:25 +0200 (CEST) From: Michael Reifenberger <root@nihil.plaut.de> To: <freebsd-stable@freebsd.org> Subject: panic on -stable during ppp->dial (PPP NETGRAPH PPPoE) Message-ID: <20010711105639.H35319-200000@nihil>
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[-- Attachment #1 --]
Hi,
on a pentium 233 IPC with a dual fxp (Intel Pro 100+) card,
with this ppp configuration:
...
tdsl:
set device PPPoE:fxp1
...
and the attached kernel configuration file (mike)
I get the following panic:
IdlePTD 4132864
initial pcb at 335c40
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc014cf86
stack pointer = 0x10:0xc94f6cbc
frame pointer = 0x10:0xc94f6cd4
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 = 230 (ppp)
interrupt mask = net
trap number = 12
panic: page fault
...
(kgdb) bt
#0 dumpsys () at ../../kern/kern_shutdown.c:472
#1 0xc01842d7 in boot (howto=256) at ../../kern/kern_shutdown.c:312
#2 0xc0184654 in poweroff_wait (junk=0xc02de6af, howto=-943078816)
at ../../kern/kern_shutdown.c:559
#3 0xc0290031 in trap_fatal (frame=0xc94f6c7c, eva=0) at ../../i386/i386/trap.c:951
#4 0xc028fd09 in trap_pfault (frame=0xc94f6c7c, usermode=0, eva=0) at ../../i386/i386/trap.c:844
#5 0xc028f8c3 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = 6422528,
tf_esi = -1065923840, tf_ebp = -917541676, tf_isp = -917541720, tf_ebx = -1057174016,
tf_edx = -1057174016, tf_ecx = -1065923840, tf_eax = 0, tf_trapno = 12, tf_err = 0,
tf_eip = -1072377978, tf_cs = 8, tf_eflags = 66118, tf_esp = -1057174016,
tf_ss = -1065923840}) at ../../i386/i386/trap.c:443
#6 0xc014cf86 in fxp_start (ifp=0xc0fcce00) at ../../dev/fxp/if_fxp.c:896
#7 0xc01c759c in ether_output_frame (ifp=0xc0fcce00, m=0xc0774b00)
at ../../net/if_ethersubr.c:399
#8 0xc01d697c in ng_ether_rcv_lower (node=0xc0fd9400, m=0xc0774b00, meta=0x0)
at ../../netgraph/ng_ether.c:629
#9 0xc01d68a5 in ng_ether_rcvdata (hook=0xc0fe54e0, m=0xc0774b00, meta=0x0)
at ../../netgraph/ng_ether.c:595
#10 0xc01d3b89 in ng_send_data (hook=0xc0fe5520, m=0xc0774b00, meta=0x0)
at ../../netgraph/ng_base.c:1648
#11 0xc01d8439 in sendpacket (sp=0xc10b1b00) at ../../netgraph/ng_pppoe.c:1451
#12 0xc01d76ee in pppoe_start (sp=0xc10b1b00) at ../../netgraph/ng_pppoe.c:754
#13 0xc01d7574 in ng_pppoe_rcvmsg (node=0xc10b1b40, msg=0xc10b1ac0, retaddr=0xc0fe54a0 "[8]:",
rptr=0xc94f6e28) at ../../netgraph/ng_pppoe.c:660
#14 0xc01d30ad in ng_send_msg (here=0xc10b1bc0, msg=0xc10b1ac0, address=0xc0fb9640 ".:tun0",
rptr=0xc94f6e28) at ../../netgraph/ng_base.c:1180
#15 0xc01d86a4 in ngc_send (so=0xc86a9c00, flags=0, m=0xc0772800, addr=0xc0fb9650, control=0x0,
p=0xc7c9c260) at ../../netgraph/ng_socket.c:242
#16 0xc01a260b in sosend (so=0xc86a9c00, addr=0xc0fb9650, uio=0xc94f6ed0, top=0xc0772800,
control=0x0, flags=0, p=0xc7c9c260) at ../../kern/uipc_socket.c:611
#17 0xc01a5e7f in sendit (p=0xc7c9c260, s=2, mp=0xc94f6f10, flags=0)
at ../../kern/uipc_syscalls.c:583
#18 0xc01a5f82 in sendto (p=0xc7c9c260, uap=0xc94f6f80) at ../../kern/uipc_syscalls.c:636
#19 0xc02902dd in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = -1077941571,
tf_esi = -1077941578, tf_ebp = -1077941064, tf_isp = -917540908, tf_ebx = 672875720,
tf_edx = -1077941580, tf_ecx = -1077941580, tf_eax = 133, tf_trapno = 12, tf_err = 2,
tf_eip = 673118132, tf_cs = 31, tf_eflags = 518, tf_esp = -1077941668, tf_ss = 47})
at ../../i386/i386/trap.c:1150
...
(kgdb) up
#6 0xc014cf86 in fxp_start (ifp=0xc0fcce00) at ../../dev/fxp/if_fxp.c:896
896 txp = sc->cbl_last->next;
(kgdb) l
891 IF_DEQUEUE(&ifp->if_snd, mb_head);
892
893 /*
894 * Get pointer to next available tx desc.
895 */
896 txp = sc->cbl_last->next;
897
898 /*
899 * Go through each of the mbufs in the chain and initialize
900 * the transmit buffer descriptors with the physical address
(kgdb) p sc
$1 = (struct fxp_softc *) 0xc0fcce00
(kgdb) p sc->cbl_last
$2 = (struct fxp_cb_tx *) 0x0
Anything else I can debug?
Bye!
----
Michael Reifenberger
^.*Plaut.*$, IT, R/3 Basis, GPS
[-- Attachment #2 --]
#
# GENERIC -- Generic machine with WD/AHx/NCR/BTx family disks
#
# For more information read the handbook part System Administration ->
# Configuring the FreeBSD Kernel -> The Configuration File.
# The handbook is available in /usr/share/doc/handbook or online as
# latest version from the FreeBSD World Wide Web server
# <URL:http://www.FreeBSD.ORG/>;
#
# An exhaustive list of options and more detailed explanations of the
# device lines is present in the ./LINT configuration file. If you are
# in doubt as to the purpose or necessity of a line, check first in LINT.
#
# $Id: GENERIC,v 1.132 1998/11/26 23:13:11 n_hibma Exp $
machine i386
cpu I586_CPU
cpu I686_CPU
ident mike
maxusers 128
options PQ_CACHESIZE=512
#options PQ_LARGECACHE # color for 512k/16k cache
makeoptions DEBUG="-g"
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep this!]
options MFS #Memory Filesystem
options MFS_ROOT #MFS usable as root device, "MFS" req'ed
options NFS #Network Filesystem
options NFS_ROOT #NFS usable as root device, "NFS" req'ed
options MSDOSFS #MSDOS Filesystem
#options MSDOSFS_ROOT #CD-ROM usable as root. "CD9660" req'ed
options CD9660 #ISO 9660 Filesystem
options CD9660_ROOT #CD-ROM usable as root. "CD9660" req'ed
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
#options SCSI_DELAY=2000 #Be pessimistic about Joe SCSI device
options UCONSOLE #Allow users to grab the console
#options FAILSAFE #Be conservative
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
#options DDB
#options DDB_UNATTENDED
options KTRACE
options SOFTUPDATES
options P1003_1B
options _KPOSIX_PRIORITY_SCHEDULING
options _KPOSIX_VERSION=199309L
#options PPS_SYNC
#options COMPAT_LINUX_THREADS
#options INVARIANTS
#options INVARIANT_SUPPORT
#options AHC_ALLOW_MEMIO
#options MAXDSIZ="(512*1024*1024)"
#options DFLDSIZ="(512*1024*1024)"
#options VINUMDEBUG
#options MSGBUF_SIZE=16384
options PNPBIOS
options CLK_USE_TSC_CALIBRATION
options CLK_USE_I8254_CALIBRATION
#config kernel root on da0
device isa0
device pci0
device fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
device fd1 at fdc0 drive 1
device ata0
device atadisk0
device atapicd0
device atapist0
device ata1 at isa? port IO_WD1 irq 14
device ata2 at isa? port IO_WD1 irq 15
#device wdc0 at isa? port IO_WD1 irq 14 flags 0xb0ffb0ff
#device wd0 at wdc0 drive 0
# A single entry for any of these devices (ncr, ahb, ahc) is
# sufficient for any number of installed devices.
#device ncr0
#device ahb0
device ahc0
#device isp0
device scbus0
device da0
device sa0
device pass0
device cd0 #Only need one of these, the code dynamically grows
#device pt0 at scbus? # SCSI processor type
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1
device psm0 at atkbdc? irq 12
device vga0 at isa? port ?
options VESA
#pseudo-device splash
device sc0 at isa?
device npx0 at nexus? port IO_NPX irq 13
#
# Laptop support (see LINT for more options)
#
#device apm0 at nexus? # Advanced Power Management
device sio0 at isa? port IO_COM1 flags 0x10 irq 4
device sio1 at isa? port IO_COM2 irq 3
#device sio2 at isa? disable port "IO_COM3" irq 11
#device sio3 at isa? disable port "IO_COM4" irq 9
device ppbus0
device ppc0 at isa? port? flags 0x40 irq 7
device lpt0 at ppbus?
device ppi0 at ppbus?
#device pps0 at ppbus?
# Order is important here due to intrusive probes, do *not* alphabetize
# this list of network interfaces until the probes have been fixed.
# Right now it appears that the ie0 must be probed before ep0. See
# revision 1.20 of this file.
#device dc0
device fxp0
#device tl0
#device tx0
#device vx0
#device xl0
#device ed0 at isa? port 0x280 irq 10 iomem 0xd8000
#device ep0 at isa? port 0x300 irq 10
#device ep0
device miibus0
#options IPFIREWALL
#options IPFIREWALL_FORWARD
#options IPFIREWALL_VERBOSE
#options IPFIREWALL_VERBOSE_LIMIT=100
#options IPDIVERT
options IPFILTER
options IPFILTER_LOG
options IPSTEALTH
options NETGRAPH
options NETGRAPH_PPPOE
options NETGRAPH_ETHER
options NETGRAPH_SOCKET
options NETGRAPH_BPF
pseudo-device loop
pseudo-device ether
pseudo-device sppp 4
pseudo-device tun 4
pseudo-device pty 16
pseudo-device gzip # Exec gzipped a.out's
pseudo-device vn
pseudo-device snp 3
device sbc0
device pcm0
#device pca0 at isa? port IO_TIMER1
# KTRACE enables the system-call tracing facility ktrace(2).
# This adds 4 KB bloat to your kernel, and slightly increases
# the costs of each syscall.
options KTRACE #kernel tracing
# This provides support for System V shared memory.
#
options SYSVSHM
#options SHMMAXPGS=102400 #400M
#options SHMMAXPGS=262144 #1G
#options SHMMNI=100
#options SHMSEG=10
#options SEMMNS=200
#options SEMMNI=70
#new
options SYSVSEM
options SYSVMSG
# The `bpfilter' pseudo-device enables the Berkeley Packet Filter. Be
# aware of the legal and administrative consequences of enabling this
# option. The number of devices determines the maximum number of
# simultaneous BPF clients programs runnable.
pseudo-device bpf 4 #Berkeley packet filter
# USB support
#device uhci0
#device ohci0
#device usb0
#
# for the moment we have to specify the priorities of the device
# drivers explicitly by the ordering in the list below. This will
# be changed in the future.
#
#device umass0
#device ums0
#device ukbd0
#device ulpt0
#device uhid0
#device ugen0
#
#options USB_DEBUG
#options USBVERBOSE
device ifpi
#device isic
#options ELSA_QS1PCI
# ISDN Protocol Stack
# -------------------
#
# Q.921 / layer 2 - i4b passive cards D channel handling
pseudo-device "i4bq921"
#
# Q.931 / layer 3 - i4b passive cards D channel handling
pseudo-device "i4bq931"
#
# layer 4 - i4b common passive and active card handling
pseudo-device "i4b"
#
# ISDN devices
# ------------
#
# userland driver to do ISDN tracing (for passive cards only)
pseudo-device "i4btrc" 2
#
# userland driver to control the whole thing
pseudo-device "i4bctl"
#
# userland driver for access to raw B channel
pseudo-device "i4brbch" 2
#
# userland driver for telephony
pseudo-device "i4btel" 2
#
# network driver for IP over raw HDLC ISDN
pseudo-device "i4bipr" 2
# enable VJ header compression detection for ipr i/f
options IPR_VJ
#
# network driver for sync PPP over ISDN
pseudo-device "i4bisppp" 2
#Netgraph
#pseudo-device "i4bing" 2
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