Date: Tue, 04 Nov 2003 10:38:12 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: harti@freebsd.org Cc: current@freebsd.org Subject: RE: New interrupt stuff breaks ASUS 2 CPU system Message-ID: <XFMail.20031104103812.jhb@FreeBSD.org> In-Reply-To: <20031104122624.J72398@beagle.fokus.fraunhofer.de>
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On 04-Nov-2003 Harti Brandt wrote: > > Hi, > > I have an ASUS system with 2 CPUs that I need to run at HZ=10000. This > worked until yesterday, but with the new interrupt code it doesn't boot > anymore. It works for the standard HZ, but if I set HZ=1000 I get a double > fault. I suspect a race condition in the interrupt handling. My config > file has > > options SMP > device apic > options HZ=1000 Ok, I can try to reproduce. > Device configuration finished. > Timecounter "TSC" frequency 1380009492 Hz quality -100 > Timecounters cpuid = 0; apic id = 00 > instruction pointer = 0x8:0xc048995d > stack pointer = 0x10:0xc0821bf4 > frame pointer cpuid = 0; apic id = 00 > > 0xc048995d is in critical_exit. It is the jmp after the popf from > cpu_critical_exit. This is where interrupts are re-enabled, so you are getting an interrupt. It might be helpful to figure what type of fault you are actually getting. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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