Date: Wed, 4 Dec 1996 22:37:21 +0100 (MET) From: Janick.Taillandier@ratp.fr (Janick TAILLANDIER) To: freebsd-smp@freebsd.org Subject: Trap 12 Message-ID: <199612042137.WAA22931@minos.noisy.ratp>
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Hello, I have installed the latest patches and I am still having trap 12 a few seconds after starting the second CPU. Everything seems ok with only one CPU. The machine is a Dell Optiplex GXpro with 2 P6 200 MHz, 32MB, SCSI disk on Adaptec 2940UW. I am using the following options : options SMP options "NCPU=2" options APIC_IO options "NBUS=3" options "NAPIC=1" options "NINTR=36" options SMP_INVLTLB With all these options, here is what I get : Stopped at _pmap_enter+0x8f: movl 0(%ecx),%ecx trace gives: _pmap_enter(f13ad064,efbfd000,17c8000,7,0) at _pmap_enter+0x8f _vm_fault(f13ad000,efbfd000,3,0,0) at _vm_fault+xxd`b _trap_pfault(efbfffbc,1) at _trap_pfault+0xd4 _trap(27,27,50274,1,efbfd5F4) at _trap+0x14b calltrap() at calltrap+0x1a --- trap 12, eip = 0xe9fc, ebp =0xefbfd5f4 --- --- curproc = 0xf13e9a00, pid = 1561 --- I have similar crash without APIC_IO or SMP_INVLTLB. Janick
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