On Fri, 2006-06-09 at 00:04 -0500, Erick Perez wrote: > I have a lot of this errors in my Centos stock 4.3 version in an Intel > D945gnt motherboard with a Pentium D (dual core) > > If I disable apic in the grub.conf (apic=off) will I get a performance > hit? Im running Asterisk on that machine. > > 40 is Received Illegal Vector > 20 is Send Illegal Vector > 60 means you're getting both errors at the same time. > > Basically it means that the APIC bus messages are malformed. > The cause can be hardware or software, it's difficult to tell. > > APIC error on CPU0: 60(60) > APIC error on CPU0: 60(60) > APIC error on CPU0: 60(60) > > cat /proc/cpuinfo shows: > processor : 1 > vendor_id : GenuineIntel > cpu family : 15 > model : 4 > model name : Intel(R) Pentium(R) D CPU 2.66GHz > stepping : 7 > cpu MHz : 2666.770 > cache size : 1024 KB > physical id : 0 > siblings : 2 > core id : 1 > cpu cores : 2 > fpu : yes > fpu_exception : yes > cpuid level : 5 > wp : yes > 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 syscall nx lm pni monitor > ds_cpl tm2 cid cx16 xtpr > bogomips : 5333.47 > clflush size : 64 > cache_alignment : 128 > address sizes : 36 bits physical, 48 bits virtual > power management: > > processor : 0 > vendor_id : GenuineIntel > cpu family : 15 > model : 4 > model name : Intel(R) Pentium(R) D CPU 2.66GHz > stepping : 7 > cpu MHz : 2666.770 > cache size : 1024 KB > physical id : 0 > siblings : 2 > core id : 0 > cpu cores : 2 > fpu : yes > fpu_exception : yes > cpuid level : 5 > wp : yes > 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 syscall nx lm pni monitor > ds_cpl tm2 cid cx16 xtpr > bogomips : 5338.11 > clflush size : 64 > cache_alignment : 128 > address sizes : 36 bits physical, 48 bits virtual > power management: Make sure you have the latest BIOS and see if the manufacturer has any linux kernel modules on their site. APIC should not affect performance, it might affect your ability to auto power off the machine. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part URL: <http://lists.centos.org/pipermail/centos/attachments/20060609/112b3ade/attachment-0004.sig>