Date: Thu, 23 Sep 2004 23:53:49 +0700 From: Pavel Gubin <pg@ie.tusur.ru> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: "Multiple entries for PCI IRQ 16" and "xlock already held" panics on 5.3-BETA(3,4,5) Message-ID: <20040923165349.GA38511@ie.tusur.ru> In-Reply-To: <200409231029.47945.jhb@FreeBSD.org> References: <20040922095257.GA81709@ie.tusur.ru> <200409221628.51977.jhb@FreeBSD.org> <20040923042447.GA88335@ie.tusur.ru> <200409231029.47945.jhb@FreeBSD.org>
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On Thu, Sep 23, 2004 at 10:29:47AM -0400, John Baldwin wrote: > > > > panices immediately with "panic: Multiple entries for PCI IRQ 16" [] > > I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# > > INT active-lo level 0 2:A 2 16 > > INT active-lo level 0 2:A 2 23 > > This is the real bug and I guess I can improve the message. Then problem is > not two lines for IRQ 16, but that the PCI interrrupt for bus 0, device 2, > pin #A has two different IRQs listed, so we don't know which one we are > supposed to use. This is definitely a BIOS bug and your motherboard > manufacturer needs to harassed into giving you a BIOS update. Then shame on MSI.. And some stupid question - maybe a kernel can be given a hint which one to use (e.g. using /boot/loader.conf...)? Just in case this is not very uncommon situation to find such a bug in MP table. > > > > panic: _sx_xlock (user map): xlock already held @ > > > > /var/data/5/src/sys/vm/vm_map.c:2997 cpuid = 0 > > > > > > This is the real bug, can you do 'l *0xc05b541c' from kgdb? > > > > (kgdb) l *0xc05b541c > > 0xc05b541c is in pmap_enter_quick > > I would try asking alc@ if he has any ideas for this one. Then if I may help in some way (testing patch etc) - I'm at your service :) -- Pavel Gubin TUSC&R / Industrial Electronics dept / System Administrator 2:5005/14@fidonet / Phone +7-3822-423067 / ICQ 28835566
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