Date: Wed, 7 Feb 2007 15:53:56 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Ariff Abdullah <ariff@freebsd.org> Cc: freebsd-acpi@freebsd.org Subject: Re: APIC problem Message-ID: <200702071553.56525.hselasky@c2i.net> In-Reply-To: <20070207182017.3a35c22a.ariff@FreeBSD.org> References: <200702061217.36453.hselasky@c2i.net> <200702071014.01442.hselasky@c2i.net> <20070207182017.3a35c22a.ariff@FreeBSD.org>
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On Wednesday 07 February 2007 11:20, Ariff Abdullah wrote: > On Wed, 7 Feb 2007 10:14:01 +0100 > > Hans Petter Selasky <hselasky@c2i.net> wrote: > > On Wednesday 07 February 2007 10:03, Abdullah Ibn Hamad Al-Marri > > > > wrote: > > > On 2/7/07, Hans Petter Selasky <hselasky@c2i.net> wrote: > > > > On Tuesday 06 February 2007 16:38, John Baldwin wrote: > > > > > On Tuesday 06 February 2007 06:17, Hans Petter Selasky wrote: > > > > > > Hi, > > > > > > > > > > > > I have some problems with a HP pavillion dv2000 laptop. I > > > > > > need to use the following hint to make it work: > > > > > > > > > > > > hint.apic.0.disabled="1" > > > > > > > > > > > > I have currently tested it with FreeSBIE 2.0 (FreeBSD 6.2) > > > > > > and it freezes after the kernel has loaded. I tried to break > > > > > > into the debugger, but with no success. > > > > > > > > > > What if you do 'kern.smp.disabled=1' but leave APIC enabled? > > > > > Also, does it work ok if you disable just ACPI? (Does it use > > > > > APIC in that case, some machines don't.) > > > > > > > > I downloaded the following image, hence it has KDB built in: > > > > 7.0-CURRENT-200702-i386-bootonly.iso > > > > > > > > I've tried with and without SMP and it is the same. > > > > > > > > If I disable ACPI, then I get a "trap 9: general protection > > > > fault while in kernel mode" just after that "nve0" has been > > > > initialized. > > > > > > > > Instruction pointer: 0x70:0xffff > > > > stack pointer: 0x28:0xfd0 > > > > frame pointer: 0x28:0xf65 > > > > current process = 0 (swapper) > > > > > > > > >bt > > > > > > > > MAXCPU(....) > > > > > > > > When I type in "show intrcnt" in the debugger everything looks > > > > ok to me. No extremely high interrupt counts. > > > > > > > > What I can add to the description of this laptop is that it has > > > > Windows XP installed on the HDD. And not long ago it didn't want > > > > to boot anymore, so I had to do a "destructive system recovery". > > > > I've also noticed that if I don't use the "ESC" key during boot, > > > > to get the boot-selection menu, but just let the system > > > > auto-boot, many times the FreeBSD 7.0 ISO CD will fail with a > > > > corrupt symbol table, when it is loading the kernel. I don't > > > > believe it. Can it be that something resistant has attached to > > > > some interrupt vectors? Is there an easy way I can find out what > > > > is using up all the CPU from the debugger. I tried "ps", but it > > > > doesn't show the CPU usage per thread. > > > > > > > > Thanks, > > > > --HPS > > > > > > Could you disable the nve card in the bios? I see same report from > > > a Toshiba user regarding the nve ethernet card. > > > > That's not possible. No such option. :-( > > Search the archives for "idle_cpu". In the loader conf I did: load /boot/kernel/acpi.ko set machdep.cpu_idle_hlt=0 This made the FreeBSD 7.0-CURRENT CD work. But on the other hand the fan is now spinning, indicating that the CPU is not sleeping like it should. Do you see what the problem is? --HPS
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