xl0 watchdog timeout?

[Krassimir Slavchev]

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Hello,

Should I use device polling or there is another solution for this?

dmesg:
...
CPU: Intel(R) Core(TM)2 CPU          6400  @ 2.13GHz (2135.06-MHz
686-class CPU)
  Origin = "GenuineIntel"  Id = 0x6f6  Stepping = 6

Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
  AMD Features=0x20100000<NX,LM>
  AMD Features2=0x1<LAHF>
  Cores per package: 2

...
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xcc00-0xcc7f mem
0xfeaffc00-0xfeaffc7f irq 22 at device 1.0 on pci5

...

Nov 11 02:31:37 hub kernel: xl0: watchdog timeout
Nov 11 02:31:37 hub kernel: xl0: link state changed to DOWN
Nov 11 02:31:40 hub kernel: xl0: link state changed to UP
Nov 11 10:39:46 hub kernel: xl0: watchdog timeout
Nov 11 10:39:46 hub kernel: xl0: link state changed to DOWN
Nov 11 10:39:48 hub kernel: xl0: link state changed to UP
Nov 11 17:43:35 hub kernel: xl0: watchdog timeout
Nov 11 17:43:35 hub kernel: xl0: link state changed to DOWN
Nov 11 17:43:38 hub kernel: xl0: link state changed to UP
Nov 11 23:51:50 hub kernel: xl0: watchdog timeout
Nov 11 23:51:50 hub kernel: xl0: link state changed to DOWN
Nov 11 23:51:52 hub kernel: xl0: link state changed to UP

# uname -srm
FreeBSD 6.2-STABLE i386

#pciconf -lv
xl0 at pci5:1:0:   class=0x020000 card=0x100010b7 chip=0x920010b7 rev=0x74
hdr=0x00
    vendor     = '3COM Corp, Networking Division'
    device     = '3C905C-TX Fast EtherLink for PC Management NIC'
    class      = network
    subclass   = ethernet

# vmstat -i
interrupt                          total       rate
irq1: atkbd0                          94          0
irq6: fdc0                             7          0
irq19: uhci3+                   23496569         56
irq21: fwohci0                         1          0
irq22: xl0                      13068844         31
cpu0: timer                    795793798       1926
cpu1: timer                    795763796       1926
Total                         1628123109       3941
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