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...=detail&aid=1099004&group_id=13478&atid=113478 It turns out that the port enabled SSE support, but FreeBSD 4.x does not support SSE by default. (FreeBSD 5.x and later do.) I have added a small patch to the port to check at runtime whether the system handles SSE. (The semantics of hw.instruction_sse are that a value of 1 means that the kernel includes SSE handling *and* the CPU supports SSE. A value of 0 means that the kernel will not handle SSE so it can't be used, although the system CPU may or may not support it.) --- src/libFLAC/cpu.c.orig +++ src/libFLAC/cpu.c @@ -25,6 +25,11 @@ #i...

...total_bpages: 1 hw.busdma.zone1.free_bpages: 1 hw.busdma.zone1.reserved_bpages: 0 hw.busdma.zone1.active_bpages: 0 hw.busdma.zone1.total_bounced: 0 hw.busdma.zone1.total_deferred: 0 hw.busdma.zone1.lowaddr: 0xffffffff hw.busdma.zone1.alignment: 4096 hw.busdma.zone1.boundary: 0 hw.clockrate: 2000 hw.instruction_sse: 1 hw.apic.enable_extint: 0 hw.snd.report_soft_formats: 1 hw.snd.targetirqrate: 32 hw.snd.verbose: 1 hw.snd.maxautovchans: 0 hw.snd.unit: 0 hw.snd.pcm0.buffersize: 4096 hw.snd.pcm0.vchans: 0 hw.snd.pcm0.spdif_enabled: 0 hw.acpi.supported_sleep_state: S1 S3 S4 S5 hw.acpi.power_button_state: S5 hw.a...