Date: Thu, 12 Aug 2004 15:33:39 +0200 (CEST) From: Martin Blapp <mb@imp.ch> To: Jeff Roberson <jroberson@chesapeake.net> Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: SCHEDULE and high load situations Message-ID: <20040812151731.T31181@cvs.imp.ch> In-Reply-To: <20040812144448.F31181@cvs.imp.ch> References: <Pine.NEB.3.96L.1040811122806.17560G-100000@fledge.watson.org> <20040811200323.B31181@cvs.imp.ch> <20040812042621.O7322@mail.chesapeake.net> <20040812143133.G31181@cvs.imp.ch> <20040812144448.F31181@cvs.imp.ch>
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Hi,
With the lastest ULE changes, the stress test doesn't run 30 seconds
till FreeBSD crashes. Since the machine is spare, I'm still connected
to it. I can give you access if you like. Note that this is a new panic
message.
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x14
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc066a1c7
stack pointer = 0x10:0xe2626aa8
frame pointer = 0x10:0xe2626ab8
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 = 27897 (mimedefang)
Mimedefang is threaded and uses currently libpthreads (kse).
x/x 0xc066a1c7
unp_connect2+0x2a: f144b89
db> where
unp_connect2(c4bb78a4,c39cc13c,0,0,0) at unp_connect2+0x2a
unp_connect(c4bb78a4,c43d9380,c4dee9a0,c43d9380,80) at unp_connect+0x3d5
uipc_connect(c4bb78a4,c43d9380,c4dee9a0) at uipc_connect+0x76
soconnect(c4bb78a4,c43d9380,c4dee9a0,0,bf1dad88) at soconnect+0x54
kern_connect(c4dee9a0,3,c43d9380,c43d9380,c3e958ac) at kern_connect+0xb0
connect(c4dee9a0,e2626d14,c,c4dee9a0,e2626d3c) at connect+0x42
syscall(2f,2f,2f,bf1dad88,bf1dad8a) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (98, FreeBSD ELF32, connect), eip = 0x28101d23, esp = 0xbf1dad74, ebp = 0xbf1dae10 ---
db> show registers
cs 0x8
ds 0x10
es 0x10
fs 0x18
ss 0x10
eax 0x2
ecx 0xc3a79ec4
edx 0x29
ebx 0
esp 0xe2626aa8
ebp 0xe2626ab8
esi 0xc39cc13c
edi 0xc4bb78a4
eip 0xc066a1c7 unp_connect2+0x2a
efl 0x10246
dr0 0
dr1 0
dr2 0
dr3 0
dr4 0xffff0ff0
dr5 0x400
dr6 0xffff0ff0
dr7 0x400
unp_connect2+0x2a: movl %ecx,0x14(%ebx)
Martin
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