Status: Accepted
Owner: [email protected]
CC: [email protected]
Labels: Type-Bug Priority-Medium

New issue 433 by [email protected]: 64-bit V8 crashes on P4 machines
http://code.google.com/p/v8/issues/detail?id=433

Machine that doesn't work is a P4:

flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx lm constant_tsc pebs bts pni monitor ds_cpl est cid cx16
xtpr

Machine that works is an Athlon64:

flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
fxsr_opt rdtscp lm 3dnowext 3dnow rep_good pni cx16 lahf_lm cmp_legacy
svm extapic cr8_legacy

Here are the flags the Athlon has in /proc/cpuinfo which the P4 does not.

syscall, mmxext, fxsr_opt, rdtscp, 3dnowext, 3dnow, rep_good,
lahf_lm_cmp_legacy, svm, extapic, cr8_legacy.

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