Re: [Xen-devel] [PATCH V4 2/2] x86, amd_ucode: Skip microcode updates for final levels

2015-08-13 Thread Aravind Gopalakrishnan
On 8/12/2015 4:38 AM, Jan Beulich wrote: On 11.08.15 at 21:11, wrote: Some of older[Fam10h] systems require that certain number of applied microcode patch levels should not be overwritten by the microcode loader. Otherwise, system hangs are known to occur. The 'final_levels' of patch ids have

Re: [Xen-devel] [PATCH V4 2/2] x86, amd_ucode: Skip microcode updates for final levels

2015-08-12 Thread Jan Beulich
>>> On 11.08.15 at 21:11, wrote: > Some of older[Fam10h] systems require that certain number of > applied microcode patch levels should not be overwritten by > the microcode loader. Otherwise, system hangs are known to occur. > > The 'final_levels' of patch ids have been obtained empirically. > R

[Xen-devel] [PATCH V4 2/2] x86, amd_ucode: Skip microcode updates for final levels

2015-08-11 Thread Aravind Gopalakrishnan
Some of older[Fam10h] systems require that certain number of applied microcode patch levels should not be overwritten by the microcode loader. Otherwise, system hangs are known to occur. The 'final_levels' of patch ids have been obtained empirically. Refer bug https://bugzilla.suse.com/show_bug.cg