intel

[patch] Disable power limit notification by default and quiet the messages

Bug #1215748 reported by XiongZhang
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
intel
Fix Released
Undecided
Unassigned
linux (Ubuntu)
Fix Released
Undecided
Tim Gardner
Precise
Fix Released
Undecided
Tim Gardner
Quantal
Fix Released
Undecided
Tim Gardner
Raring
Fix Released
Undecided
Tim Gardner
Saucy
Fix Released
Undecided
Tim Gardner

Bug Description

If user enable RAPL, there will be many messages from power limit notification in kernel.
Power limit notification is for debug and information purpose. There is no need to dump power limit notification information for normal users. the following two patches in kernel 3.11 disable power limit notification by default and quiet the message.
1.
commit 6bb2ff846f24fa6efee756e5e2a2b8433d65671e
Author: Fenghua Yu <email address hidden>
Date: Tue May 21 15:35:17 2013 -0400

    x86 thermal: Disable power limit notification interrupt by default
2.
commit c81147483e525e4a471d581877d7d634591246e1
Author: Fenghua Yu <email address hidden>
Date: Tue May 21 15:35:16 2013 -0400

    x86 thermal: Delete power-limit-notification console messages

So in order to avoid initerrputting user by these messages, please back prot above two commmits to 12.04, 12.10, 13.04

Tim Gardner (timg-tpi)
information type: Private → Public
Changed in linux (Ubuntu Precise):
assignee: nobody → Tim Gardner (timg-tpi)
status: New → In Progress
Changed in linux (Ubuntu Quantal):
assignee: nobody → Tim Gardner (timg-tpi)
status: New → In Progress
Changed in linux (Ubuntu Raring):
assignee: nobody → Tim Gardner (timg-tpi)
status: New → In Progress
Changed in linux (Ubuntu Saucy):
assignee: nobody → Tim Gardner (timg-tpi)
status: New → In Progress
Tim Gardner (timg-tpi)
Changed in linux (Ubuntu Saucy):
status: In Progress → Fix Released
Tim Gardner (timg-tpi)
Changed in linux (Ubuntu Precise):
status: In Progress → Fix Committed
Changed in linux (Ubuntu Quantal):
status: In Progress → Fix Committed
Changed in linux (Ubuntu Raring):
status: In Progress → Fix Committed
Revision history for this message
Brad Figg (brad-figg) wrote :

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-precise-needed' to 'verification-precise-done'.

If verification is not done by one week from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: verification-needed-precise
tags: added: verification-needed-quantal
Revision history for this message
Brad Figg (brad-figg) wrote :

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-quantal-needed' to 'verification-quantal-done'.

If verification is not done by one week from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: verification-needed-raring
Revision history for this message
Brad Figg (brad-figg) wrote :

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-raring-needed' to 'verification-raring-done'.

If verification is not done by one week from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

Brad Figg (brad-figg)
tags: added: verification-done-precise verification-done-quantal verification-done-raring
removed: verification-needed-precise verification-needed-quantal verification-needed-raring
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux - 3.2.0-54.82

---------------
linux (3.2.0-54.82) precise; urgency=low

  [Steve Conklin]

  * Release Tracking Bug
    - LP: #1223490

  [ Upstream Kernel Changes ]

  * Revert "zram: use zram->lock to protect zram_free_page() in swap free
    notify path"
    - LP: #1215513
  * x86 thermal: Delete power-limit-notification console messages
    - LP: #1215748
  * x86 thermal: Disable power limit notification interrupt by default
    - LP: #1215748
  * ARM: 7810/1: perf: Fix array out of bounds access in
    armpmu_map_hw_event()
    - LP: #1216442
    - CVE-2013-4254
  * ARM: 7809/1: perf: fix event validation for software group leaders
    - LP: #1216442
    - CVE-2013-4254
  * xfs: fix _xfs_buf_find oops on blocks beyond the filesystem end
    - LP: #1151527
    - CVE-2013-1819
  * cifs: don't instantiate new dentries in readdir for inodes that need to
    be revalidated immediately
    - LP: #1222442
 -- Steve Conklin <email address hidden> Tue, 10 Sep 2013 12:54:53 -0500

Changed in linux (Ubuntu Precise):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (5.7 KiB)

This bug was fixed in the package linux - 3.5.0-41.64

---------------
linux (3.5.0-41.64) quantal; urgency=low

  [Brad Figg]

  * Release Tracking Bug
    - LP: #1223451

  [ Upstream Kernel Changes ]

  * kernel-doc: bugfix - multi-line macros
    - LP: #1223920
  * Revert "zram: use zram->lock to protect zram_free_page() in swap free
    notify path"
    - LP: #1215513
  * x86 thermal: Delete power-limit-notification console messages
    - LP: #1215748
  * x86 thermal: Disable power limit notification interrupt by default
    - LP: #1215748
  * ARM: 7810/1: perf: Fix array out of bounds access in
    armpmu_map_hw_event()
    - LP: #1216442
    - CVE-2013-4254
  * ARM: 7809/1: perf: fix event validation for software group leaders
    - LP: #1216442
    - CVE-2013-4254
  * veth: reduce stat overhead
    - LP: #1201869
  * veth: extend device features
    - LP: #1201869
  * veth: avoid a NULL deref in veth_stats_one
    - LP: #1201869
  * veth: fix a NULL deref in netif_carrier_off
    - LP: #1201869
  * veth: fix NULL dereference in veth_dellink()
    - LP: #1201869
  * Bluetooth: Add support for Atheros [0cf3:3121]
    - LP: #1202477
  * efivars: explicitly calculate length of VariableName
    - LP: #1217745
  * xfs: fix _xfs_buf_find oops on blocks beyond the filesystem end
    - LP: #1151527
    - CVE-2013-1819
  * drm/i915/lvds: ditch ->prepare special case
    - LP: #1221791
  * serial: mxs: fix buffer overflow
    - LP: #1221791
  * fs/proc/task_mmu.c: fix buffer overflow in add_page_map()
    - LP: #1221791
  * af_key: initialize satype in key_notify_policy_flush()
    - LP: #1221791
  * vm: add no-mmu vm_iomap_memory() stub
    - LP: #1221791
  * iwl4965: set power mode early
    - LP: #1221791
  * iwl4965: reset firmware after rfkill off
    - LP: #1221791
  * ASoC: cs42l52: Reorder Min/Max and update to SX_TLV for Beep Volume
    - LP: #1221791
  * can: pcan_usb: fix wrong memcpy() bytes length
    - LP: #1221791
  * ALSA: 6fire: make buffers DMA-able (pcm)
    - LP: #1221791
  * ALSA: 6fire: make buffers DMA-able (midi)
    - LP: #1221791
  * jbd2: Fix use after free after error in jbd2_journal_dirty_metadata()
    - LP: #1221791
  * USB-Serial: Fix error handling of usb_wwan
    - LP: #1221791
  * USB: mos7840: fix big-endian probe
    - LP: #1221791
  * USB: adutux: fix big-endian device-type reporting
    - LP: #1221791
  * USB: ti_usb_3410_5052: fix big-endian firmware handling
    - LP: #1221791
  * m68k/atari: ARAnyM - Fix NatFeat module support
    - LP: #1221791
  * m68k: Truncate base in do_div()
    - LP: #1221791
  * usb: add two quirky touchscreen
    - LP: #1221791
  * USB: mos7720: fix broken control requests
    - LP: #1221791
  * USB: keyspan: fix null-deref at disconnect and release
    - LP: #1221791
  * MIPS: Expose missing pci_io{map,unmap} declarations
    - LP: #1221791
  * microblaze: Update microblaze defconfigs
    - LP: #1221791
  * sound: Fix make allmodconfig on MIPS
    - LP: #1221791
  * sound: Fix make allmodconfig on MIPS correctly
    - LP: #1221791
  * alpha: makefile: don't enforce small data model for kernel builds
    - LP: #1221791
  * MIPS: Rewrite pfn_valid to work in modules, too.
    - L...

Read more...

Changed in linux (Ubuntu Quantal):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (15.3 KiB)

This bug was fixed in the package linux - 3.8.0-31.46

---------------
linux (3.8.0-31.46) raring; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1223406

  * UBUNTU: [Config] KUSER_HELPERS=y for armhf

  [ Upstream Kernel Changes ]

  * Revert "cpuidle: Quickly notice prediction failure in general case"
    - LP: #1221794
  * Revert "cpuidle: Quickly notice prediction failure for repeat mode"
    - LP: #1221794
  * Revert "zram: use zram->lock to protect zram_free_page() in swap free
    notify path"
    - LP: #1215513
  * x86 thermal: Delete power-limit-notification console messages
    - LP: #1215748
  * x86 thermal: Disable power limit notification interrupt by default
    - LP: #1215748
  * mwifiex: do not create AP and P2P interfaces upon driver loading
    - LP: #1212720
  * ARM: 7810/1: perf: Fix array out of bounds access in
    armpmu_map_hw_event()
    - LP: #1216442
    - CVE-2013-4254
  * ARM: 7809/1: perf: fix event validation for software group leaders
    - LP: #1216442
    - CVE-2013-4254
  * veth: reduce stat overhead
    - LP: #1201869
  * veth: extend device features
    - LP: #1201869
  * veth: avoid a NULL deref in veth_stats_one
    - LP: #1201869
  * veth: fix a NULL deref in netif_carrier_off
    - LP: #1201869
  * veth: fix NULL dereference in veth_dellink()
    - LP: #1201869
  * Bluetooth: Add support for Atheros [0cf3:3121]
    - LP: #1202477
  * uvcvideo: quirk PROBE_DEF for Dell SP2008WFP monitor.
    - LP: #1217957
  * usb: dwc3: gadget: don't prevent gadget from being probed if we fail
    - LP: #1221794
  * usb: dwc3: fix wrong bit mask in dwc3_event_type
    - LP: #1221794
  * ASoC: max98088 - fix element type of the register cache.
    - LP: #1221794
  * ata: Fix DVD not dectected at some platform with Wellsburg PCH
    - LP: #1221794
  * Tools: hv: KVP: Fix a bug in IPV6 subnet enumeration
    - LP: #1221794
  * ALSA: usb-audio: 6fire: return correct XRUN indication
    - LP: #1221794
  * usb: serial: cp210x: Add USB ID for Netgear Switches embedded serial
    adapter
    - LP: #1221794
  * USB: storage: Add MicroVault Flash Drive to unusual_devs
    - LP: #1221794
  * USB: misc: Add Manhattan Hi-Speed USB DVI Converter to sisusbvga
    - LP: #1221794
  * USB: option: append Petatel NP10T device to GSM modems list
    - LP: #1221794
  * usb: cp210x support SEL C662 Vendor/Device
    - LP: #1221794
  * USB: cp210x: add MMB and PI ZigBee USB Device Support
    - LP: #1221794
  * USB: EHCI: Fix resume signalling on remote wakeup
    - LP: #1221794
  * drm/radeon: fix endian issues with DP handling (v3)
    - LP: #1221794
  * drm/radeon: Another card with wrong primary dac adj
    - LP: #1221794
  * drm/radeon: improve dac adjust heuristics for legacy pdac
    - LP: #1221794
  * drm/radeon: fix combios tables on older cards
    - LP: #1221794
  * ARM: footbridge: fix overlapping PCI mappings
    - LP: #1221794
  * [SCSI] isci: Fix a race condition in the SSP task management path
    - LP: #1221794
  * [SCSI] qla2xxx: Properly set the tagging for commands.
    - LP: #1221794
  * [SCSI] sd: fix crash when UA received on DIF enabled device
    - LP: #1221794
  * nfsd: nfsd_open: when dentry_ope...

Changed in linux (Ubuntu Raring):
status: Fix Committed → Fix Released
Leann Ogasawara (leannogasawara)
Changed in intel:
status: New → Fix Released
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