amd64/71644: amd64 5.3-BETA4 crash when heavy load

[Wei-Kai Wu]

On Sun, Nov 28, 2004 at 11:16:39PM +0800, Xin LI wrote:
> Hmm...   Is it possible to obtain a backtrace (bt full under kgdb) and post
> it?
> Additionally I suggest that you post the same thing to -stable@ and cc to
> rwatson@, along with your dmesg.boot (verberose perferred).

Here is the panic messages: (If this is not what you want,
could you tell me what I shall do? thanks!)

Fatal trap 12: page fault while in kernel mode
cpuid = 3; apic id = 03
fault virtual address = 0x18
fault code            = supervisor read, page not present
instruction pointer   = 0x8:0xffffffff8026ece0
stack pointer         = 0x10:0xffffffffd2d6f8b0
frame pointer         = 0x10:0xffffffffd2d6f920
code segment          = base 0x0, limit 0xfffff, type 0x1b
                      = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags      = resume, IOPL = 0
current process       = 46 (swi1: net)
[thread 100025]
Stopped at m_copym+0x40:    incl %ebp

db> trace
m_copym() at m_copym+0x40
tcp_output() at tcp_output+0xdf1
tcp_input() at tcp_input+0x1d2b
netisr_processqueue() at netisr_processqueue+0xd2
swi_net() at swi_net+0x13c
ithread_loop() at ithread_loop+0x1b8
fork_exit() at fork_exit+0xaa
fork_trampoline() at fork_trampoline+0xe
--- trap 0, rip = 0, rsp = 0xffffffffffd2d6fd00, rbp = 0 ---