…
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 02
fault virtual address = 0x18
fault code = supervisor write, page not present
instruction pointer = 0x20:0xc0cfe9c3
stack pointer         = 0x28:0xec9546a4
frame pointer         = 0x28:0xec9546d0
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 = 12 (irq282: igb5:que 1)
...
...
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 02
fault virtual address = 0xb268729f
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc0cfe7c2
stack pointer         = 0x28:0xc5bb0788
frame pointer         = 0x28:0xc5bb0790
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 = 12 (irq262: igb1:que 1)
...
...
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x18
fault code = supervisor write, page not present
instruction pointer = 0x20:0xc0cfe9c3
stack pointer         = 0x28:0xec94ea98
frame pointer         = 0x28:0xec94eac4
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 = 12 (irq281: igb5:que 0)

My hardware is:

IBM x3250, Xeon 4C X3430 2.4GHz, 2 x 1 GB ram, 3.5in IBM 250GB SATA HDD + 2x Intel Ethernet Quad Port Server Adapter I340-T4 (igb1 and igb5 interfaces that are in crash report are interfaces of I340-T4 adapter). It's a incompatibility problem of this ethernet adapter?

Thank you.