Date: Sun, 7 Mar 2004 02:02:23 -0800 From: Kris Kennaway <kris@obsecurity.org> To: amd64@FreeBSD.org Cc: alc@FreeBSD.org Subject: "Fatal trap 9: general protection fault while in kernel mode" in vm_page_splay() Message-ID: <20040307100222.GA12728@xor.obsecurity.org>
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hammer01 (amd64 package machine) died with the following just now; it
was running a kernel from Feb 26:
Fatal trap 9: general protection fault while in kernel mode
instruction pointer = 0x8:0xffffffff80486ab0
stack pointer = 0x10:0xffffffff9952d8f0
frame pointer = 0x10:0xffffffff9952d980
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 19276 (cc1plus)
kernel: type 9 trap, code=0
Stopped at vm_page_splay+0x20: decl %eax
db> trace
vm_page_splay() at vm_page_splay+0x20
vm_page_remove() at vm_page_remove+0x93
vm_page_free_toq() at vm_page_free_toq+0xa4
vm_page_free() at vm_page_free+0x1e
vm_object_page_remove() at vm_object_page_remove+0x157
vm_map_entry_delete() at vm_map_entry_delete+0xdb
vm_map_delete() at vm_map_delete+0x1fb
vm_map_remove() at vm_map_remove+0x52
exit1() at exit1+0x590
sys_exit() at sys_exit+0x37
syscall() at syscall+0x314
Xfast_syscall() at Xfast_syscall+0xa8
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x6b2840, rsp = 0x7fffffffdaf8, rbp = 0x7fffffffdd10 ---
db>
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