西村です。

FreeBSD 6.2Rにバイナリアップグレードしたのですが
6.0Rの時には出なかった、
Jan 27 22:57:53 <kern.crit> natbox kernel: em0: watchdog timeout -- resetting
Jan 27 22:57:53 <kern.notice> natbox kernel: em0: link state changed to DOWN
Jan 27 22:57:56 <kern.notice> natbox kernel: em0: link state changed to UP

以上のようなエラーが頻発して、ネットワークがたびたび停止し、
非常に困っております。
もう一つxl0のNICも有るのですが、
こちらは快調に動いており、色々探した結果、以下の記事を見つけました。
http://lists.freebsd.org/pipermail/cvs-all/2006-November/194103.html

そこで、kern_conf.cにパッチを当てようと思い、
kern_conf.cを眺めてみましたが、すでにパッチ済みというか、
 -       dev->si_refcount++;     /* Avoid race with dev_rel() */
の用な、削除されるべき行はすでにありませんでした。

irqのコンフリクトもないので、原因がさっぱりわからず、困っております。

解決方法、対策方法をご存じの方おられましたら、
教えていただけると幸いです。
宜しくお願いいたします。

dmesg.boot
Copyright (c) 1992-2007 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 6.2-RELEASE #0: Sat Jan 20 12:12:56 JST 2007
    [EMAIL PROTECTED]:/usr/src/sys/i386/compile/NATBOX
ACPI APIC Table: <AMIINT VIA_K7  >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Sempron(tm) (1403.19-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x681  Stepping = 1
  
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
  AMD Features=0xc0480800<SYSCALL,MP,MMX+,3DNow+,3DNow>
real memory  = 805240832 (767 MB)
avail memory = 774430720 (738 MB)
ioapic0 <Version 0.3> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <AMIINT VIA_K7> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <VIA 8377 (Apollo KT400/KT400A/KT600) host to PCI bridge> mem 
0xe0000000-0xe7ffffff at device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci0: <display, VGA> at device 5.0 (no driver attached)
atapci0: <Promise PDC40518 SATA150 controller> port 0xec00-0xec7f,0xe800-0xe8ff 
mem 0xdfffb000-0xdfffbfff,0xdffc0000-0xdffdffff irq 17 at device 6.0 on pci0
ata2: <ATA channel 0> on atapci0
ata3: <ATA channel 1> on atapci0
ata4: <ATA channel 2> on atapci0
ata5: <ATA channel 3> on atapci0
em0: <Intel(R) PRO/1000 Network Connection Version - 6.2.9> port 0xe400-0xe43f 
mem 0xdff80000-0xdff9ffff,0xdff60000-0xdff7ffff irq 18 at device 8.0 on pci0
em0: Ethernet address: 00:07:e9:09:ad:11
xl0: <3Com 3c905B-TX Fast Etherlink XL> port 0xe000-0xe07f mem 
0xdfffaf80-0xdfffafff irq 17 at device 10.0 on pci0
miibus0: <MII bus> on xl0
xlphy0: <3Com internal media interface> on miibus0
xlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:10:5a:75:b1:99
atapci1: <VIA 6420 SATA150 controller> port 
0xdc00-0xdc07,0xd800-0xd803,0xd400-0xd407,0xd000-0xd003,0xcc00-0xcc0f,0xc800-0xc8ff
 irq 20 at device 15.0 on pci0
ata6: <ATA channel 0> on atapci1
ata7: <ATA channel 1> on atapci1
atapci2: <VIA 8237 UDMA133 controller> port 
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 15.1 on pci0
ata0: <ATA channel 0> on atapci2
ata1: <ATA channel 1> on atapci2
isab0: <PCI-ISA bridge> at device 17.0 on pci0
isa0: <ISA bus> on isab0
pci0: <multimedia, audio> at device 17.5 (no driver attached)
acpi_button1: <Sleep Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse Explorer, device ID 4
fdc0: <floppy drive controller> port 0x3f2-0x3f3,0x3f4-0x3f5,0x3f7 irq 6 drq 2 
on acpi0
fdc0: does not respond
device_attach: fdc0 attach returned 6
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
fdc0: <floppy drive controller> port 0x3f2-0x3f3,0x3f4-0x3f5,0x3f7 irq 6 drq 2 
on acpi0
fdc0: does not respond
device_attach: fdc0 attach returned 6
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 
0xc0000-0xc7fff,0xc8000-0xccfff,0xcd000-0xce7ff,0xe0000-0xe0fff on isa0
ppc0: parallel port not found.
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0


-- 
NISHIMURA,Yutaka./西村 隆 <[EMAIL PROTECTED]>


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