Date: Mon, 1 May 2000 23:29:48 +0200 (CEST) From: Leif Neland <leifn@neland.dk> Cc: freebsd-current@FreeBSD.ORG Subject: Re: kernel panic at boot with 2 printers Message-ID: <Pine.BSF.4.05.10005012300470.2298-100000@arnold.neland.dk> In-Reply-To: <021701bfb0a8$54a113a0$0e00a8c0@neland.dk>
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On Fri, 28 Apr 2000, Leif Neland wrote:
> Sorry not to have details at hand but anyways:
>
> Current cvsupped today.
>
> I have 2 parallel ports in use.
>
> I have had no problems with kernels dated 2 weeks or older, but since a few
> days ago, the system crashes at boot while probing the parallel ports. "Page
> fault while in supervisor mode", (I seem to remember vaguely)
>
OK: Here is bootmessages with BUS_DEBUG transcribed by hand:
devclass_find_driver_internal:253:ppc in devclass isa
device_probe_child:639: Trying ppc
ppc0: parallel port found at 0x378
ppc0: SPP
ppc0: <parallel port> at port 0x378-0x37f on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
device_add_child_ordered:525:ppbus at ppc with order 0 as unit -1
make_device:455:ppbus at ppc as unit -1
devclass_find_internal:113:looking for ppbus
devclass_add_device:400:(null) om devclass ppbus
devclass_alloc_unit:343:unit -1 in devclass ppbus
devclass_alloc_unit:389:now:unit 0 in devclass ppbus
devclass_find_driver_internal:253:ppbus in devclass ppc
device_probe_child:639:Trying ppbus
device_add_child_ordered:525:ppi at ppbus with order 0 as unit 0
make_device:455:ppi at ppbus as unit 0
devclass_add_device:400:(null) om devclass ppi
devclass_alloc_unit:343:unit 0 in devclass ppi
devclass_alloc_unit:389:now:unit 0 in devclass ppi
device_add_child_ordered:525:lpt at ppbus with order 0 as unit 0
make_device:455:lpt at ppbus as unit 0
devclass_find_internal:113:looking for lpt
devclass_add_device:400:(null) in devclass lpt
devclass_alloc_unit:343:unit 0 in devclass lpt
devclass_alloc_unit:399:now:unit0 in devclass lpt
devclass_find_driver_internal:253:ppi in devclass ppbus
device_probe_child:639:Trying ppi
ppi0:<parallel i/o> on ppbus0
ppi0:can't allocate irq
device_probe_and_attach:ppi0 attach returned 12
devclass_find_driver_internal:253:lpt in devclass ppbus
device_probe_child:639:Trying lpt
lpt0:<printer> on ppbus0
lpt0:polled port
devclass_find_driver_internal:253:ppc in devclass isa
device_probe_child:639:Trying ppc
ppc1: parallel port found at 0x278
ppc1: SPP
ppc1:<parallel port> at port 0x278-0x27f irq 5 on isa 0
ppc1:Generic chipset (NIBBLE-only) in COMPATIBLE mode
device_add_child_ordered:525:ppbus at ppc with order 0 as unit -1
make_device:455:ppbus at ppc as unit -1
devclass_find_internal:113:looking for ppbus
devclass_add_device:400:(null) in devclass ppbus
devclass_alloc_unit:343:unit -1 in devclass ppbus
devclass_alloc_unit:389:now:unit 1 in devclass ppbus
devclass_find_driver_internal:253:ppbus in devclass ppc
device_probe_child:639:Trying ppbus
Fatal trap 12: page fault while in kernel mode
fault virtual adress = 0xf0
...
stopped at bus_generic_probe+0x25: cmpl $0xc02a5cac,0(%ebx)
ebx = 0xf0
Here's dmesg.boot for an older kernel which works.
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 5.0-CURRENT #23: Tue Mar 14 06:08:53 CET 2000
root@gina.neland.dk:/usr/src/sys/compile/ARNOLD
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium/P5 (59.97-MHz 586-class CPU)
Origin = "GenuineIntel" Id = 0x515 Stepping = 5
Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 117440512 (114688K bytes)
avail memory = 110841856 (108244K bytes)
Intel Pentium detected, installing workaround for F00F bug
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
ncr0: <ncr 53c810 fast10 scsi> port 0xd100-0xd1ff mem 0x20000000-0x200000ff irq 11 at device 1.0 on pci0
ncr0: driver is using old-style compatability shims
isab0: <Intel 82378IB PCI to ISA bridge> at device 2.0 on pci0
isa0: <ISA bus> on isab0
pci0: <Cirrus Logic GD5446 SVGA controller> at 6.0
atkbdc0: <keyboard controller (i8042)> at port 0x60-0x6f on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
vga0: <Generic ISA VGA> at port 0x3b0-0x3cf iomem 0xa0000-0xbffff on isa0
sc0: <System console> on isa0
sc0: VGA (mono) <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 16450
ppc0: <Parallel port> at port 0x378-0x37f on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppi0: <Parallel I/O> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Polled port
ppc1: <Parallel port> at port 0x278-0x27f irq 5 on isa0
ppc1: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppi1: <Parallel I/O> on ppbus1
lpt1: <Printer> on ppbus1
lpt1: Interrupt-driven port
ed0 at port 0x340-0x35f iomem 0xd8000 irq 10 on isa0
ed0: supplying EUI64: 00:80:c8:ff:fe:18:9c:c2
ed0: address 00:80:c8:18:9c:c2, type NE2000 (16 bit)
pca0 at port 0x40 on isa0
isic0: <Dr.Neuhaus Niccy Go@> at port 0x200-0x201,0x202-0x203 irq 9 on isa0
i4b-L1-isic_isac_exir_hdlr: EXIRQ Rx Frame Overflow
i4b: ISDN call control device attached
i4bisppp: 4 ISDN SyncPPP device(s) attached
i4bctl: ISDN system control port attached
i4bipr: 4 IP over raw HDLC ISDN device(s) attached (VJ header compression)
i4btel: 2 ISDN telephony interface device(s) attached
i4brbch: 4 raw B channel access device(s) attached
i4btrc: 2 ISDN trace device(s) attached
Waiting 5 seconds for SCSI devices to settle
da1 at ncr0 bus 0 target 1 lun 0
da1: <Quantum XP34300 81HB> Fixed Direct Access SCSI-2 device
da1: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled
da1: 4101MB (8399520 512 byte sectors: 255H 63S/T 522C)
da0 at ncr0 bus 0 target 0 lun 0
da0: <SEAGATE ST15150N 0017> Fixed Direct Access SCSI-2 device
da0: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled
da0: 4095MB (8388315 512 byte sectors: 255H 63S/T 522C)
Mounting root from ufs:da0s1a
da2 at ncr0 bus 0 target 2 lun 0
da2: <IBM DCAS-34330 S65A> Fixed Direct Access SCSI-2 device
da2: 10.000MB/s transfers (10.000MHz, offset 8)
da2: 4134MB (8467200 512 byte sectors: 255H 63S/T 527C)
Leif
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