Date: Fri, 28 Jul 2000 03:00:09 -0700 (PDT) From: Stas Kisel <stask@tiger.thukraine.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/19726: fatal trap 12 / page fault Message-ID: <200007281000.DAA56847@freefall.freebsd.org>
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The following reply was made to PR kern/19726; it has been noted by GNATS.
From: Stas Kisel <stask@tiger.thukraine.com>
To: sheldonh@uunet.co.za, stask@tiger.thukraine.com
Cc: freebsd-gnats-submit@FreeBSD.org, jblaine@linus.mitre.org
Subject: Re: kern/19726: fatal trap 12 / page fault
Date: Fri, 28 Jul 2000 12:56:52 +0300
> From: Sheldon Hearn <sheldonh@uunet.co.za>
> On Thu, 27 Jul 2000 17:57:02 +0300, Stas Kisel wrote:
> Waahoo. Your dmesg(8) output looks interesting. Check this out:
>
> > pci0: <unknown card> (vendor=0x1050, dev=0x0940) at 15.0 irq 11
> > rl0: <RealTek 8139 10/100BaseTX> port 0xe400-0xe4ff mem 0xfebeff00-0xfebeffff irq 9 at device 16.0 on pci0
> > rl1: <RealTek 8139 10/100BaseTX> port 0xe000-0xe0ff mem 0xfebefe00-0xfebefeff irq 11 at device 17.0 on pci0
>
> Notice in particular the IRQ reserved for both pci0 and rl1, both with
> _different_ PCI device IDs. :-)
>
> Jeff doesn't seem to have this problem, however. Nevertheless,
> something weird is definitely going on. Somebody give me a backtrace
> with debugging symbols and we'll send this to Bill. :-)
Our hardware guru says that it is normal for pci2 devices to share irq.
Anyways after I've assigned irq's with BIOS setup and swapped cards
I've got page fault. So I have backtrace and new dmesg.
\bye
Stas
IdlePTD 3317760
initial pcb at 2ac8e0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x8
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc018d36c
stack pointer = 0x10:0xc028e964
frame pointer = 0x10:0xc028e96c
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 = Idle
interrupt mask =
trap number = 12
panic: page fault
syncing disks... 9 2
done
Uptime: 13h57m22s
dumping to dev #ad/0x20001, offset 380928
dump ata0: resetting devices .. done
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38
37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 1
1 10 9 8 7 6 5 4 3 2 1
---
#0 boot (howto=256) at ../../kern/kern_shutdown.c:304
304 dumppcb.pcb_cr3 = rcr3();
(kgdb) bt
#0 boot (howto=256) at ../../kern/kern_shutdown.c:304
#1 0xc0138bac in poweroff_wait (junk=0xc0283eef, howto=0)
at ../../kern/kern_shutdown.c:554
#2 0xc0251cd9 in trap_fatal (frame=0xc028e924, eva=8)
at ../../i386/i386/trap.c:924
#3 0xc02519b1 in trap_pfault (frame=0xc028e924, usermode=0, eva=8)
at ../../i386/i386/trap.c:817
#4 0xc02515a7 in trap (frame={tf_fs = -1071775728, tf_es = -1067712496,
tf_ds = -1067778032, tf_edi = -1, tf_esi = 0, tf_ebp = -1071060628,
tf_isp = -1071060656, tf_ebx = 0, tf_edx = 40, tf_ecx = 0,
tf_eax = -1067746560, tf_trapno = 12, tf_err = 0, tf_eip = -1072114836,
tfcs = 8, tf_eflags = 66118, tf_esp = 0, tf_ss = 0})
at ../../i386/i386/trap.c:423
#5 0xc018d36c in arpintr () at ../../netinet/if_ether.c:447
(kgdb)
Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 4.0-RELEASE #4: Thu Jul 27 14:56:23 EEST 2000
root@btr.thukraine.com:/usr/src/sys/compile/btr
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium II/Pentium II Xeon/Celeron (501.14-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x665 Stepping = 5
Features=0x183fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 67108864 (65536K bytes)
config> di ppc0
config> q
avail memory = 61677568 (60232K bytes)
Preloaded elf kernel "kernel" at 0xc0318000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc031809c.
Pentium Pro MTRR support enabled
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 ATA33 controller> port 0xffa0-0xffaf at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2 irq 10
chip1: <Intel 82371AB Power management controller> port 0x440-0x44f at device 7.3 on pci0
pci0: <ATI Mach64-VT graphics accelerator> at 15.0
rl0: <RealTek 8139 10/100BaseTX> port 0xe400-0xe4ff mem 0xfebeff00-0xfebeffff irq 9 at device 16.0 on pci0
rl0: Ethernet address: 00:50:ba:83:7a:09
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl1: <RealTek 8139 10/100BaseTX> port 0xe000-0xe0ff mem 0xfebefe00-0xfebefeff irq 7 at device 17.0 on pci0
rl1: Ethernet address: 00:50:ba:83:99:c7
miibus1: <MII bus> on rl1
rlphy1: <RealTek internal media interface> on miibus1
rlphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
pci0: <unknown card> (vendor=0x1050, dev=0x0940) at 18.0 irq 11
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <keyboard controller (i8042)> at port 0x60-0x6f on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> on isa0
sc0: VGA <16 virtual consoles, flags=0x200>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
IP packet filtering initialized, divert enabled, rule-based forwarding enabled, default to accept, logging limited to 100 packets/entry by default
DUMMYNET initialized (000106)
BRIDGE 990810, have 8 interfaces
-- index 1 type 6 phy 0 addrl 6 addr 00.50.ba.83.7a.09
-- index 2 type 6 phy 0 addrl 6 addr 00.50.ba.83.99.c7
IP Filter: initialized. Default = pass all, Logging = enabled
IP Filter: v3.3.8
ad0: 6149MB <WDC WD64AA> [13328/15/63] at ata0-master using UDMA33
Mounting root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
cd9660: RockRidge Extension
cd9660: RockRidge Extension
cd9660: RockRidge Extension
ppp0: promiscuous mode enabled
ppp0: promiscuous mode disabled
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