Date: Mon, 12 Apr 1999 17:05:13 +0100 (BST) From: Ian Pallfreeman <ip@albatross.mcc.ac.uk> To: current@freebsd.org Subject: Bad, reliable crash: Julian's "oltr" stuff & ARP Message-ID: <199904121605.RAA47641@albatross.mcc.ac.uk>
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My -current trashbox is having some pretty severe problems which seem to
stem from the token ring additions on March 10th. The box in question
wouldn't stay up for more than a few minutes.
``savecore'' isn't working for me right now, but I've managed to delete a
single line of code which lets the box stay up long enough for me to do a
make world and get to grips with all this EGCS, uh, fun. This isn't a true
solution, obviously.
The ethernet segment to which the box is connected has lots of non-IP traffic
(DECNET, Novell, etc), but I didn't expect to find token ring stuff on it. :-)
Ian.
*** if_ether.c.orig Mon Apr 12 16:11:12 1999
--- if_ether.c Mon Apr 12 16:13:22 1999
***************
*** 435,442 ****
panic("arpintr");
if (m->m_len >= sizeof(struct arphdr) &&
(ar = mtod(m, struct arphdr *)) &&
! (ntohs(ar->ar_hrd) == ARPHRD_ETHER ||
! ntohs(ar->ar_hrd) == ARPHRD_IEEE802) &&
m->m_len >=
sizeof(struct arphdr) + 2 * ar->ar_hln + 2 * ar->ar_pln)
--- 435,441 ----
panic("arpintr");
if (m->m_len >= sizeof(struct arphdr) &&
(ar = mtod(m, struct arphdr *)) &&
! ntohs(ar->ar_hrd) == ARPHRD_ETHER &&
m->m_len >=
sizeof(struct arphdr) + 2 * ar->ar_hln + 2 * ar->ar_pln)
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x8
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc017e590
stack pointer = 0x10:0xc02248d8
frame pointer = 0x10:0xc0224928
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres type 0x1b
= DPL 0, press 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask =
kernel: type 12 trap, code=0
Stopped at in_arpinput+0x264: cmpb $0,0x8(%ecx)
db> tr
in_arpinput(c0744100,0,0,c01ee601,c01ee5a3) at in_arpinput+0x264
arpintr(c01ee5a3,80000000,10,10,0) at arpintr+0xb4
swi_net_next() at swi_net_next
db> show registers
cs 0x8
ds 0x7e8b0010
es 0x10
ss 0x10
eax 0x600
ecx 0
edx 0
ebx 0xc0a02490
esp 0xc02255ec __set_pcidevice_set_sym_ide_pci_device+0x2fc0
ebp 0xc022563c __set_pcidevice_set_sym_ide_pci_device+0x3010
esi 0xc073c820
edi 0xc0a2d600
eip 0xc017e3d4 in_arpinput+0x264
efl 0x10246
in_arpinput+0x264: cmpb $0,0x8(%ecx)
db> panic
Copyright (c) 1992-1999 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 4.0-CURRENT #1: Mon Apr 12 16:13:32 BST 1999
ip@trauma:/usr/src/sys/compile/TRAUMA
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 400910920 Hz
CPU: Pentium II/Xeon/Celeron (400.91-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x652 Stepping=2
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 134217728 (131072K bytes)
avail memory = 127995904 (124996K bytes)
Preloaded elf kernel "kernel" at 0xc0291000.
Pentium Pro MTRR support enabled, default memory type is uncacheable
ccd0: Concatenated disk driver
Probing for devices on PCI bus 0:
chip0: <Intel 82443BX host to PCI bridge> rev 0x02 on pci0.0.0
chip1: <Intel 82443BX host to AGP bridge> rev 0x02 on pci0.1.0
chip2: <Intel 82371AB PCI to ISA bridge> rev 0x02 on pci0.7.0
ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev 0x01 on pci0.7.1
chip3: <Intel 82371AB Power management controller> rev 0x02 on pci0.7.3
ahc0: <Adaptec 2940 Ultra SCSI adapter> rev 0x00 int a irq 10 on pci0.15.0
ahc0: aic7880 Single Channel A, SCSI Id=7, 16/255 SCBs
fxp0: <Intel EtherExpress Pro 10/100B Ethernet> rev 0x05 int a irq 12 on pci0.17.0
fxp0: Ethernet address 00:90:27:10:2b:ea
Probing for devices on PCI bus 1:
vga0: <S3 model 8904 graphics accelerator> rev 0x01 int a irq 255 on pci1.0.0
Probing for devices on the ISA bus:
sc0 on isa
sc0: VGA color <16 virtual consoles, flags=0x0>
atkbdc0 at 0x60-0x6f on motherboard
atkbd0 irq 1 on isa
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 16550A, console
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <Maxtor 90432D2>
wd0: 4121MB (8440992 sectors), 8374 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (wd2): <QUANTUM FIREBALL_TM3840A>
wd2: 3681MB (7539840 sectors), 7480 cyls, 16 heads, 63 S/T, 512 B/S
wdc1: unit 1 (wd3): <QUANTUM FIREBALL_TM3840A>
wd3: 3681MB (7539840 sectors), 7480 cyls, 16 heads, 63 S/T, 512 B/S
ppc0 at 0x378 irq 7 on isa
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
plip0: <PLIP network interface> on ppbus 0
ppi0: <generic parallel i/o> on ppbus 0
vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
npx0 on motherboard
npx0: INT 16 interface
Waiting 2 seconds for SCSI devices to settle
changing rootda1 at ahc0 bus 0 target 1 lun 0
da1: <COMPAQ DPES-31080 S70E> Fixed Direct Access SCSI-2 device
da1: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled
da1: 1001MB (2051000 512 byte sectors: 64H 32S/T 1001C)
da0 at ahc0 bus 0 target 0 lun 0
da0: <SEAGATE ST31230N 0290> Fixed Direct Access SCSI-2 device
da0: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled
da0: 1010MB (2069860 512 byte sectors: 64H 32S/T 1010C)
device to wd0s1a
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