Date: Fri, 01 Apr 2005 09:21:43 -0500 From: Gary Mu1der <gmulder@infotechfl.com> To: Sven Willenberger <sven@dmv.com> Cc: freebsd-amd64@freebsd.org Subject: Re: Tyan k8sr lockups Message-ID: <424D58F7.1010005@infotechfl.com> In-Reply-To: <1112312243.6323.10.camel@lanshark.dmv.com> References: <f0111a98c01333b3c306c81d10294de4@khera.org> <Pine.SOC.4.61.0503300229560.3181@tea.blinkenlights.nl> <3f9aa5aef19c41837cce1563e2c97a21@khera.org> <424C215E.5080201@infotechfl.com> <b6c7cfb181756fdfa3593f64223cb08a@khera.org> <424C4EED.5070601@infotechfl.com> <1112312243.6323.10.camel@lanshark.dmv.com>
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Sven, Thanks for testing. It is not SMP causing the problem, as I can cause the hang with the GENERIC amd64 uniproccesor kernel as well. Any idea how we can get more diagnostics on what in FreeBSD is causing the crash? I suppose I can truss the dd and copy the truss output off the remote terminal session after is hangs... Is there a way to force a crash dump? I heard mention of a key combo on the console to force a crash dump, but I suspect the console keyboard is totally hung as well. Does anyone have a doc on how to run the kernel under gdb or something and log what is happening to a serial console? Gary Sven Willenberger wrote: > Confirmed the hang with a dual opteron system (248's) with 8GB of ram > using the dd command above. System hung within seconds of issuing said > command using an SMP-enabled kernel. > > FreeBSD 5.4-PRERELEASE #0: Thu Mar 17 22:41:53 EST 2005 > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: AMD Opteron(tm) Processor 248 (2190.55-MHz K8-class CPU) > Origin = "AuthenticAMD" Id = 0xf5a Stepping = 10 > > Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2> > AMD Features=0xe0500800<SYSCALL,NX,MMX+,LM,3DNow+,3DNow> > real memory = 8589934592 (8192 MB) > avail memory = 8250437632 (7868 MB) > ACPI APIC Table: <A M I OEMAPIC > > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > MADT: Forcing active-low polarity and level trigger for SCI > ioapic0 <Version 1.1> irqs 0-23 on motherboard > ioapic1 <Version 1.1> irqs 24-27 on motherboard > ioapic2 <Version 1.1> irqs 28-31 on motherboard > acpi0: <A M I OEMRSDT> on motherboard > acpi0: Power Button (fixed) > Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x5008-0x500b on acpi0 > cpu0: <ACPI CPU> on acpi0 > acpi_throttle0: <ACPI CPU Throttling> on cpu0 > cpu1: <ACPI CPU> on acpi0 > > > Sven > >
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