Re: PROBLEM: lk 4.5 oops on boot with Xeon D-1520

2016-02-24 Thread Peter Zijlstra
On Wed, Feb 24, 2016 at 04:36:33PM +, Liang, Kan wrote: > > > > Thanks, that fixes it. > > > > Note: your patch appears to be against linux-next. I had to change > > "arch/x86/events/intel/uncore_snbep.c" to > > "arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c" for the patch to > > apply

RE: PROBLEM: lk 4.5 oops on boot with Xeon D-1520

2016-02-24 Thread Liang, Kan
> > Thanks, that fixes it. > > Note: your patch appears to be against linux-next. I had to change > "arch/x86/events/intel/uncore_snbep.c" to > "arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c" for the patch to > apply against current linux-git. Thanks for the verification. I think the per

Re: PROBLEM: lk 4.5 oops on boot with Xeon D-1520

2016-02-24 Thread Tony Battersby
Thanks, that fixes it. Note: your patch appears to be against linux-next. I had to change "arch/x86/events/intel/uncore_snbep.c" to "arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c" for the patch to apply against current linux-git. Tested-by: Tony Battersby On 02/24/2016 10:37 AM, Liang, K

RE: PROBLEM: lk 4.5 oops on boot with Xeon D-1520

2016-02-24 Thread Liang, Kan
I have no idea why the original email was redirected to Junk folder. Sorry for the late response. I extended BDX-DE uncore code to support BDX-EP. So they share the same code path. But there is no sbox in BDX-DE. I once tried the BDX-EP patch on my BDX-DE, it boots fine. But it looks it doesn't

Re: PROBLEM: lk 4.5 oops on boot with Xeon D-1520

2016-02-24 Thread Thomas Gleixner
Added Liang to CC, preserved full mail for reference On Wed, 17 Feb 2016, Tony Battersby wrote: > The following commit in 4.5 is causing a general protection fault during > early boot: > > d6980ef32570 ("perf/x86/intel/uncore: Add Broadwell-EP uncore support") > > With the commit reverted, the