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Message-ID: <20151117181730.GI8819@pd.tnic>
Date:	Tue, 17 Nov 2015 19:17:31 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:	Kristen Carlson Accardi <kristen@...ux.intel.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: 37afb0003242 ("cpufreq: intel_pstate: Use ACPI perf
 configuration") makes intel_pstate kaputt

On Tue, Nov 17, 2015 at 08:54:00AM -0800, Srinivas Pandruvada wrote:
> Is it complete log? Can you send the complete log?

See below.

> I don't see call to intel_pstate_set_policy() from cpufreq in this log?
> Are you using 4.4.rc1 or cherry picked this patch?

Plain 4.4-rc1.

---
[    0.825928] Intel P-state driver initializing.
[    0.826099] intel_pstate: controlling: cpu 0
[    0.826119] intel_pstate: default limits 0xc 0x1d 0x24
[    0.827000] intel_pstate: CPU0 - ACPI _PSS perf data
[    0.827020]      *P0: 2901 MHz, 35000 mW, 0xff00
[    0.827037]       P1: 2900 MHz, 35000 mW, 0x1d00
[    0.827055]       P2: 2800 MHz, 33218 mW, 0x1c00
[    0.827072]       P3: 2700 MHz, 31812 mW, 0x1b00
[    0.827089]       P4: 2500 MHz, 28743 mW, 0x1900
[    0.827106]       P5: 2400 MHz, 27087 mW, 0x1800
[    0.827124]       P6: 2300 MHz, 25796 mW, 0x1700
[    0.827141]       P7: 2200 MHz, 24202 mW, 0x1600
[    0.827158]       P8: 2000 MHz, 21425 mW, 0x1400
[    0.827176]       P9: 1900 MHz, 20234 mW, 0x1300
[    0.827193]       P10: 1800 MHz, 19072 mW, 0x1200
[    0.827211]       P11: 1700 MHz, 17625 mW, 0x1100
[    0.827228]       P12: 1600 MHz, 16509 mW, 0x1000
[    0.827246]       P13: 1400 MHz, 14056 mW, 0xe00
[    0.827263]       P14: 1300 MHz, 12724 mW, 0xd00
[    0.827281]       P15: 1200 MHz, 11711 mW, 0xc00
[    0.827298] intel_pstate: Updated limits using _PSS 0xc 0x1d 0x24
[    0.827317] intel_pstate: policy max_freq=3600000 Khz min_freq = 1200000 KHz
[    0.827765] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[    0.827797] intel_pstate: set powersave
[    0.827816] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0x0]
[    0.827890] intel_pstate: controlling: cpu 1
[    0.827907] intel_pstate: default limits 0xc 0x1d 0x24
[    0.828813] intel_pstate: CPU1 - ACPI _PSS perf data
[    0.828833]      *P0: 2901 MHz, 35000 mW, 0xff00
[    0.828851]       P1: 2900 MHz, 35000 mW, 0x1d00
[    0.828868]       P2: 2800 MHz, 33218 mW, 0x1c00
[    0.828885]       P3: 2700 MHz, 31812 mW, 0x1b00
[    0.828903]       P4: 2500 MHz, 28743 mW, 0x1900
[    0.828920]       P5: 2400 MHz, 27087 mW, 0x1800
[    0.828937]       P6: 2300 MHz, 25796 mW, 0x1700
[    0.828955]       P7: 2200 MHz, 24202 mW, 0x1600
[    0.828972]       P8: 2000 MHz, 21425 mW, 0x1400
[    0.828990]       P9: 1900 MHz, 20234 mW, 0x1300
[    0.829007]       P10: 1800 MHz, 19072 mW, 0x1200
[    0.829022]       P11: 1700 MHz, 17625 mW, 0x1100
[    0.829040]       P12: 1600 MHz, 16509 mW, 0x1000
[    0.829057]       P13: 1400 MHz, 14056 mW, 0xe00
[    0.829075]       P14: 1300 MHz, 12724 mW, 0xd00
[    0.829092]       P15: 1200 MHz, 11711 mW, 0xc00
[    0.829109] intel_pstate: Updated limits using _PSS 0xc 0x1d 0x24
[    0.829128] intel_pstate: policy max_freq=3600000 Khz min_freq = 1200000 KHz
[    0.829786] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[    0.829815] intel_pstate: set powersave
[    0.829826] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0x0]
[    0.829860] intel_pstate: controlling: cpu 2
[    0.829871] intel_pstate: default limits 0xc 0x1d 0x24
[    0.830366] intel_pstate: CPU2 - ACPI _PSS perf data
[    0.830378]      *P0: 2901 MHz, 35000 mW, 0xff00
[    0.830388]       P1: 2900 MHz, 35000 mW, 0x1d00
[    0.830398]       P2: 2800 MHz, 33218 mW, 0x1c00
[    0.830408]       P3: 2700 MHz, 31812 mW, 0x1b00
[    0.830418]       P4: 2500 MHz, 28743 mW, 0x1900
[    0.830428]       P5: 2400 MHz, 27087 mW, 0x1800
[    0.830438]       P6: 2300 MHz, 25796 mW, 0x1700
[    0.830448]       P7: 2200 MHz, 24202 mW, 0x1600
[    0.830458]       P8: 2000 MHz, 21425 mW, 0x1400
[    0.830468]       P9: 1900 MHz, 20234 mW, 0x1300
[    0.830478]       P10: 1800 MHz, 19072 mW, 0x1200
[    0.830488]       P11: 1700 MHz, 17625 mW, 0x1100
[    0.830498]       P12: 1600 MHz, 16509 mW, 0x1000
[    0.830508]       P13: 1400 MHz, 14056 mW, 0xe00
[    0.830518]       P14: 1300 MHz, 12724 mW, 0xd00
[    0.830528]       P15: 1200 MHz, 11711 mW, 0xc00
[    0.830538] intel_pstate: Updated limits using _PSS 0xc 0x1d 0x24
[    0.830549] intel_pstate: policy max_freq=3600000 Khz min_freq = 1200000 KHz
[    0.830639] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[    0.830655] intel_pstate: set powersave
[    0.830665] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0x0]
[    0.830699] intel_pstate: controlling: cpu 3
[    0.830709] intel_pstate: default limits 0xc 0x1d 0x24
[    0.831167] intel_pstate: CPU3 - ACPI _PSS perf data
[    0.831178]      *P0: 2901 MHz, 35000 mW, 0xff00
[    0.831188]       P1: 2900 MHz, 35000 mW, 0x1d00
[    0.831198]       P2: 2800 MHz, 33218 mW, 0x1c00
[    0.831208]       P3: 2700 MHz, 31812 mW, 0x1b00
[    0.831218]       P4: 2500 MHz, 28743 mW, 0x1900
[    0.831228]       P5: 2400 MHz, 27087 mW, 0x1800
[    0.831238]       P6: 2300 MHz, 25796 mW, 0x1700
[    0.831248]       P7: 2200 MHz, 24202 mW, 0x1600
[    0.831258]       P8: 2000 MHz, 21425 mW, 0x1400
[    0.831268]       P9: 1900 MHz, 20234 mW, 0x1300
[    0.831278]       P10: 1800 MHz, 19072 mW, 0x1200
[    0.831288]       P11: 1700 MHz, 17625 mW, 0x1100
[    0.831298]       P12: 1600 MHz, 16509 mW, 0x1000
[    0.831308]       P13: 1400 MHz, 14056 mW, 0xe00
[    0.831318]       P14: 1300 MHz, 12724 mW, 0xd00
[    0.831328]       P15: 1200 MHz, 11711 mW, 0xc00
[    0.831338] intel_pstate: Updated limits using _PSS 0xc 0x1d 0x24
[    0.831349] intel_pstate: policy max_freq=3600000 Khz min_freq = 1200000 KHz
[    0.831439] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[    0.831455] intel_pstate: set powersave
[    0.831465] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0x0]

...


[   28.587413] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.587417] intel_pstate: set powersave
[   28.587419] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0x0]
[   28.587446] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.587448] intel_pstate: set powersave
[   28.587449] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0x0]
[   28.587488] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   28.587489] intel_pstate: set powersave
[   28.587490] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   28.587515] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.587516] intel_pstate: set powersave
[   28.587517] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.587593] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.587594] intel_pstate: set powersave
[   28.587596] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.587619] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.587620] intel_pstate: set powersave
[   28.587621] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.587646] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   28.587647] intel_pstate: set powersave
[   28.587648] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   28.587672] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.587673] intel_pstate: set powersave
[   28.587674] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.588782] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.588783] intel_pstate: set powersave
[   28.588785] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.588808] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.588809] intel_pstate: set powersave
[   28.588810] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.588835] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   28.588836] intel_pstate: set powersave
[   28.588837] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   28.588860] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.588861] intel_pstate: set powersave
[   28.588862] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.588933] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.588934] intel_pstate: set powersave
[   28.588936] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.588959] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.588960] intel_pstate: set powersave
[   28.588961] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.588985] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   28.588986] intel_pstate: set powersave
[   28.588987] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   28.589010] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589011] intel_pstate: set powersave
[   28.589012] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589377] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589379] intel_pstate: set powersave
[   28.589380] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589404] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589405] intel_pstate: set powersave
[   28.589406] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589429] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   28.589430] intel_pstate: set powersave
[   28.589431] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   28.589455] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589456] intel_pstate: set powersave
[   28.589457] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589521] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589522] intel_pstate: set powersave
[   28.589523] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589546] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589547] intel_pstate: set powersave
[   28.589548] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589573] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   28.589574] intel_pstate: set powersave
[   28.589575] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   28.589599] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589600] intel_pstate: set powersave
[   28.589601] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589710] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589711] intel_pstate: set powersave
[   28.589712] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589735] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589736] intel_pstate: set powersave
[   28.589737] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   28.589762] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   28.589763] intel_pstate: set powersave
[   28.589764] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   28.589787] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   28.589788] intel_pstate: set powersave
[   28.589789] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.590221] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.590229] intel_pstate: set powersave
[   29.590233] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.590304] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.590363] intel_pstate: set powersave
[   29.590374] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.590508] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   29.590513] intel_pstate: set powersave
[   29.590516] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   29.590632] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.590634] intel_pstate: set powersave
[   29.590637] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.590958] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.590987] intel_pstate: set powersave
[   29.590991] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.591112] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.591114] intel_pstate: set powersave
[   29.591119] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.591234] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   29.591241] intel_pstate: set powersave
[   29.591247] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   29.591369] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.591372] intel_pstate: set powersave
[   29.591375] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.591696] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.591698] intel_pstate: set powersave
[   29.591702] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.591817] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.591819] intel_pstate: set powersave
[   29.591822] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.591931] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   29.591933] intel_pstate: set powersave
[   29.591935] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   29.592049] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.592051] intel_pstate: set powersave
[   29.592054] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.594127] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.594132] intel_pstate: set powersave
[   29.594138] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.594252] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.594254] intel_pstate: set powersave
[   29.594257] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.594424] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   29.594426] intel_pstate: set powersave
[   29.594430] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   29.594550] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.594557] intel_pstate: set powersave
[   29.594563] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.596138] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.596166] intel_pstate: set powersave
[   29.596169] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.596285] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.596291] intel_pstate: set powersave
[   29.596298] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.596422] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   29.596426] intel_pstate: set powersave
[   29.596430] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   29.596541] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.596542] intel_pstate: set powersave
[   29.596544] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.598215] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.598217] intel_pstate: set powersave
[   29.598220] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.598385] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.598388] intel_pstate: set powersave
[   29.598391] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.598510] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   29.598517] intel_pstate: set powersave
[   29.598524] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   29.598647] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.598648] intel_pstate: set powersave
[   29.598651] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.600201] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.600214] intel_pstate: set powersave
[   29.600218] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.600333] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.600339] intel_pstate: set powersave
[   29.600345] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   29.600469] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 1200000
[   29.600471] intel_pstate: set powersave
[   29.600474] intel_pstate: max 3600000 policy_max 1200000 perf_ctl [0xc-0xc]
[   29.600586] intel_pstate: intel_pstate_set_policy max 3600000 policy->max 3600000
[   29.600590] intel_pstate: set powersave
[   29.600595] intel_pstate: max 3600000 policy_max 3600000 perf_ctl [0xc-0xc]
[   67.817369] capability: warning: `turbostat' uses 32-bit capabilities (legacy support in use)

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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