Date: Thu, 5 Dec 1996 21:52:00 -0400 (AST) From: "J.M. Chuang" <smp@bluenose.na.tuns.ca> To: Tor.Egge@idt.ntnu.no (Tor Egge) Cc: smp@freebsd.org Subject: Re: Good News & Bad News Message-ID: <199612060152.VAA23427@bluenose.na.tuns.ca> In-Reply-To: <199612052230.XAA03136@pat.idt.unit.no> from Tor Egge at "Dec 5, 96 11:30:34 pm"
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> > > >the system reboots itself unpredictably shortly after the second > > > >CPU is activated. > > > > > > Just a thought, but how many of the machines besides the Tyan Titan > > > Pro have the BSP at other than CPU #0? The Titan Pro's BSD is > > > (physically) Processor #1. This is just the most obvious difference > > > between the Titan Pro and the other boards. > > > > from the mptab;e database: > > > > Asus P/I-P65UP5 > > Supermicro P6DNE > > > > does anyone running these machines have experience with the recent SMP kernel? > > I tried a few hours old kernel on an ASUS P/I-P65UP5, with APIC_IO > enabled. When compiling a new kernel with two active CPUs, I got > error messages from gcc, and the compile failed. Restarting the > $2 = 0xfff7eff4 > > This indicates an attempt to dereference address 0xfff7eff4, which seems > bogus :-( > > - Tor Egge > I turn on DDB, here is the report from DDB when system reboots shortly after the second CPU is launched: cpunumber =0 fault virtual address = 0xfffbeff4 fault code = supervisor read, page not present instruction pointer = 0x8:0xf01be11b stack pointer = 0x8:0xefbffe94 frame pointer = 0x10:0xefbffeb0 code segment = base 0x0, limit 0xffff, type0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL=0 current process = 270 (sh) interrupt mask = kernel: type 12 trap, code=0 stopped at _pmap_enter+0x8f: movl 0 (%ecx), %ecx db> trace _pmap_enter (f0cbc464,efbfd000,da5000,7,0) at _pmap_enter+0x8ff vm_fault(f0cbc400,efbfd000,3,0,0) at _vm_fault+0xd0b trap_pfault(efbfffbc,1) at _trap_pfault+0xd4 _trap(27,27,56000,509ec,efbfdb34) at _trap+0x146 calltrap() at calltrap+0x1a - trap 12, eip=0xb0f0, ebp=0xefbfdb34 --- - curporc=0xf0be3c00, pie=270 --- Jim
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