From: bugzilla-daemon@bugzilla.kernel.org
To: cpufreq@vger.kernel.org
Subject: [Bug 59781] New: intel_pstate synchronizes frequencies on wake from suspend
Date: Sun, 16 Jun 2013 16:12:15 +0000 (UTC) [thread overview]
Message-ID: <bug-59781-12968@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=59781
Summary: intel_pstate synchronizes frequencies on wake from
suspend
Product: Power Management
Version: 2.5
Kernel Version: 3.10.0rc5, 3.10.0rc6
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: cpufreq
AssignedTo: cpufreq@vger.kernel.org
ReportedBy: pqwoerituytrueiwoq@gmail.com
Regression: No
Created an attachment (id=104841)
--> (https://bugzilla.kernel.org/attachment.cgi?id=104841)
Behavior before suspend
When 1st boot both my core's frequencies change independently, but once i wake
from suspend they are synchronized
~$ uname -r # http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-rc6-saucy/
3.10.0-031000rc6-generic
$ cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_driver
intel_pstate
intel_pstate
$ cat /sys/devices/system/cpu/cpu*/cpuidle/driver/name
intel_idle
intel_idle
$ cat /proc/cpuinfo # Only showing one core
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 42
model name : Intel(R) Pentium(R) CPU B970 @ 2.30GHz
stepping : 7
microcode : 0x23
cpu MHz : 1242.000
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm
constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc
aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr
pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave lahf_lm arat epb
xsaveopt pln pts dtherm
bogomips : 4589.55
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
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next reply other threads:[~2013-06-16 16:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-16 16:12 bugzilla-daemon [this message]
2013-06-16 16:12 ` [Bug 59781] intel_pstate synchronizes frequencies on wake from suspend bugzilla-daemon
2013-06-17 6:59 ` bugzilla-daemon
2013-06-17 11:37 ` bugzilla-daemon
2013-06-17 11:42 ` bugzilla-daemon
2013-06-17 17:15 ` bugzilla-daemon
2013-06-18 1:19 ` bugzilla-daemon
2013-06-18 2:42 ` bugzilla-daemon
2013-06-18 12:10 ` bugzilla-daemon
2013-06-18 16:23 ` bugzilla-daemon
2013-06-18 16:29 ` bugzilla-daemon
2013-07-08 2:50 ` bugzilla-daemon
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