Date: Fri, 16 Dec 2005 03:47:35 -0500 From: Anish Mistry <mistry.7@osu.edu> To: freebsd-questions@freebsd.org Subject: Reproducable Panic 6.0-RELEASE i386 Message-ID: <200512160347.35994.mistry.7@osu.edu>
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I'm getting the following panic, which I can reproduce easily. Let me
know what other information I should provide. The backtrace seems
really short for some reason. I get the panic when running a
multi-threaded application I'm developing/modifying.
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x48
fault code = supervisor write, page not present
instruction pointer = 0x20:0xc0510cb3
stack pointer = 0x28:0xe9aebb74
frame pointer = 0x28:0xe9aebbf8
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 7848 (gdb)
[thread pid 7848 tid 100184 ]
Stopped at kern_ptrace+0x11e3: andl $0xfffbffff,0x48(%eax)
db> bt
Tracing pid 7848 tid 100184 td 0xc4302180
kern_ptrace(c4302180,a,1ea6,0,11) at kern_ptrace+0x11e3
ptrace(c4302180,e9aebd04,10,418,4) at ptrace+0x56
syscall(3b,3b,3b,bfbfe580,1ea6) at syscall+0x13d
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (26, FreeBSD ELF32, ptrace), eip = 0x283360e7, esp =
0xbfbfe3bc, ebp
= 0xbfbfe3d8 ---
Full panic and backtrace, and alltrace:
http://am-productions.biz/docs/bigguy-panic.gz
http://am-productions.biz/docs/bigguy-dmesg.gz
http://am-productions.biz/docs/bigguy-pciconf.gz
Kernel config:
http://am-productions.biz/docs/BIGGUY.gz
--
Anish Mistry
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