On Sun, 22 May 2016, Robert Swindells wrote: > I think we need to know exactly which make and model of CPU are working > or not working.
The following PCI (not PCIe) add-on card hangs machine under -current, works under -7 on both (so far) problem machines: wm0 at pci2 dev 2 function 0: Intel i82541PI 1000BASE-T Ethernet (rev. 0x05) wm0: interrupting at ioapic0 pin 18 wm0: 32-bit 33MHz PCI bus wm0: 64 words (6 address bits) MicroWire EEPROM wm0: Ethernet address 00:1b:21:9b:14:0c igphy0 at wm0 phy 1: Intel IGP01E1000 Gigabit PHY, rev. 0 igphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto The fully-diskless machine (via NetBSD-7 'cpuctl identify 0'): cpu0: highest basic info 00000002 cpu0: highest extended info 80000004 cpu0: "Intel(R) Pentium(R) 4 CPU 2.00GHz" cpu0: Intel Pentium 4 (686-class), 1992.76 MHz cpu0: family 0xf model 0x2 stepping 0x4 (id 0xf24) cpu0: features 0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE> cpu0: features 0x3febfbff<MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2> cpu0: features 0x3febfbff<SS,HTT,TM> cpu0: I-cache 12K uOp cache 8-way, D-cache 8KB 64B/line 4-way cpu0: L2 cache 512KB 64B/line 8-way cpu0: ITLB 4K/4M: 64 entries cpu0: DTLB 4K/4M: 64 entries cpu0: Initial APIC ID 0 cpu0: Cluster/Package ID 0 cpu0: microcode version 0x1e, platform ID 2 The semi-diskless machine (via NetBSD-7 'cpuctl identify 0'): cpu0: highest basic info 00000002 cpu0: highest extended info 80000004 cpu0: "Intel(R) Pentium(R) 4 CPU 2.80GHz" cpu0: Intel Pentium 4 (686-class), 2800.23 MHz cpu0: family 0xf model 0x2 stepping 0x9 (id 0xf29) cpu0: features 0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE> cpu0: features 0xbfebfbff<MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2> cpu0: features 0xbfebfbff<SS,HTT,TM,SBF> cpu0: features1 0x4400<CID,xTPR> cpu0: I-cache 12K uOp cache 8-way, D-cache 8KB 64B/line 4-way cpu0: L2 cache 512KB 64B/line 8-way cpu0: ITLB 4K/4M: 128 entries cpu0: DTLB 4K/4M: 64 entries cpu0: Initial APIC ID 0 cpu0: Cluster/Package ID 0 cpu0: microcode version 0x0, platform ID 2 Although both CPUs claim to support HyperThreading (HTT), the feature is not enabled (no option in machines' BIOS). I should note that one can hit "ctrl-alt-ESC" on the wscons console and drop to DDB. Backtrace and "ps" don't show anything unusual (that I can tell). From there I can reboot the machine. -- |/"\ John D. Baker, KN5UKS NetBSD Darwin/MacOS X |\ / jdbaker[snail]mylinuxisp[flyspeck]com OpenBSD FreeBSD | X No HTML/proprietary data in email. BSD just sits there and works! |/ \ GPGkeyID: D703 4A7E 479F 63F8 D3F4 BD99 9572 8F23 E4AD 1645
