On 07/19/12 07:47, James Hogarth wrote: >> Cent OS 5.5 x64 does not boot on certain AMD-based servers. Following error >> is displayed: >> >> Code: 8b 72 40 48 8d 4c 24 1c 48 8b 7a 20 ba c4 01 00 00 e8 5f 77 >> RIP [<ffffffff8008192f>] cpuid4_cache_lookup+0x256/0x356 >> RSP<ffff810104737d60> >> CR2: 000000000040 >> <0>Kernel panic -- not syncing: Fatal exception >> This issue was noticed on Dell PowerEdge R715 with AMD Opteron 12-core >> processor. Is there any kernel specific patch which addresses this issue? > > Have you tried installing the most recent release (5.8 or 6.3 > depending on your requirements)? > > 5.5 is pretty ancient and only the current code is supported for a > given major revision number (ie CentOS5 or CentOS6 at this time given > that CentOS5 is now end of life). I have CentOS - it's probably 6.2 - running fine on a Dell R715 right now. mark -- "Drunk people kill people; stoned people kill snacks" - Vermin the Supreme, fringe candidate, NH 2012