Date: Tue, 18 Jan 2005 14:02:50 -0800 From: "Kevin Oberman" <oberman@es.net> To: stable@freebsd.org Subject: Fatal trap 12 on 5.3-Stable system Message-ID: <20050118220250.39BB15D08@ptavv.es.net>
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On the command:
ping6 -m -s 1460 node
I get a panic with the following (hand transcribed):
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x4
fault code = supervisor read, page not present
inruction pointer = 0x8:0xc052dc52
stack pointer = 0x10:0xdb31cc08
frame pointer = 0x10:-xdb31c44
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 = 1043 (ping6)
[thread pid 1043 tid 100095 ]
Stopped at soreceive+0x556: movl 0x4(%eax),%eax
db> trace
Tracing pid 1043 tid 100095 td 0xc21a47d0
soreceive(c2151b64,db31cc6c,db31cc78,0,c1c38500) at soreceive+0x556
recvit(c21a47d0,3,db31ccc0,0,c1b3d930) at recvit+0x1c7
recvmsg(c21a47d0,db31cd14,3,1,292) at recvmsg+0x5f
syscall(bfbf002f,2f,bfbf002f,bfbfe82c,8077800,) at syscall+0x27b
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (27, FreeBSD ELF32, recvmsg), eip = 0x280fb3d3, esp = 0xbfbfe76c,ebp = 0xbfbfecf4 ---
Looks a lot like the large size might be over-writing something.
Reproducable at will.
--
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net Phone: +1 510 486-8634
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