Em Wed, Mar 17, 2021 at 04:32:17PM +0300, Alexander Monakov escreveu:
> On Wed, 17 Mar 2021, Peter Zijlstra wrote:
> > On Wed, Mar 17, 2021 at 09:48:29AM +0100, Ingo Molnar wrote:
> > > > https://developer.amd.com/wp-content/resources/56323-PUB_0.78.pdf
> > > 1215 IBS (Instruction Based
On Wed, 17 Mar 2021, Peter Zijlstra wrote:
> On Wed, Mar 17, 2021 at 09:48:29AM +0100, Ingo Molnar wrote:
> > > https://developer.amd.com/wp-content/resources/56323-PUB_0.78.pdf
> >
> > So:
> >
> >
> > 1215 IBS (Instruction Based Sampling) Counter Valid Value
> > May be Incorrect After
On Wed, Mar 17, 2021 at 09:48:29AM +0100, Ingo Molnar wrote:
> > https://developer.amd.com/wp-content/resources/56323-PUB_0.78.pdf
>
> So:
>
>
> 1215 IBS (Instruction Based Sampling) Counter Valid Value
> May be Incorrect After Exit From Core C6 (CC6) State
>
> Description
>
> If a
* Kim Phillips wrote:
> On 3/16/21 2:53 PM, Peter Zijlstra wrote:
> > On Tue, Mar 16, 2021 at 04:45:02PM +0100, Jiri Olsa wrote:
> >> hi,
> >> when running 'perf top' on AMD Rome (/proc/cpuinfo below)
> >> with fedora 33 kernel 5.10.22-200.fc33.x86_64
> >>
> >> we got unknown NMI messages:
>
On 3/16/21 2:53 PM, Peter Zijlstra wrote:
> On Tue, Mar 16, 2021 at 04:45:02PM +0100, Jiri Olsa wrote:
>> hi,
>> when running 'perf top' on AMD Rome (/proc/cpuinfo below)
>> with fedora 33 kernel 5.10.22-200.fc33.x86_64
>>
>> we got unknown NMI messages:
>>
>> [ 226.700160] Uhhuh. NMI received
On Tue, Mar 16, 2021 at 04:45:02PM +0100, Jiri Olsa wrote:
> hi,
> when running 'perf top' on AMD Rome (/proc/cpuinfo below)
> with fedora 33 kernel 5.10.22-200.fc33.x86_64
>
> we got unknown NMI messages:
>
> [ 226.700160] Uhhuh. NMI received for unknown reason 3d on CPU 90.
> [ 226.700162]
On Tue, 16 Mar 2021, Adam Borowski wrote:
> On Tue, Mar 16, 2021 at 04:45:02PM +0100, Jiri Olsa wrote:
> > hi,
> > when running 'perf top' on AMD Rome (/proc/cpuinfo below)
> > with fedora 33 kernel 5.10.22-200.fc33.x86_64
> >
> > we got unknown NMI messages:
> >
> > [ 226.700160] Uhhuh. NMI
On Tue, Mar 16, 2021 at 04:45:02PM +0100, Jiri Olsa wrote:
> hi,
> when running 'perf top' on AMD Rome (/proc/cpuinfo below)
> with fedora 33 kernel 5.10.22-200.fc33.x86_64
>
> we got unknown NMI messages:
>
> [ 226.700160] Uhhuh. NMI received for unknown reason 3d on CPU 90.
> [ 226.700162]
hi,
when running 'perf top' on AMD Rome (/proc/cpuinfo below)
with fedora 33 kernel 5.10.22-200.fc33.x86_64
we got unknown NMI messages:
[ 226.700160] Uhhuh. NMI received for unknown reason 3d on CPU 90.
[ 226.700162] Do you have a strange power saving mode enabled?
[ 226.700163] Dazed and
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