From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755441AbZLYOYl (ORCPT ); Fri, 25 Dec 2009 09:24:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754910AbZLYOYk (ORCPT ); Fri, 25 Dec 2009 09:24:40 -0500 Received: from mail-ew0-f219.google.com ([209.85.219.219]:60314 "EHLO mail-ew0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752886AbZLYOYj (ORCPT ); Fri, 25 Dec 2009 09:24:39 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer :mime-version:content-type; b=VcmNUA/+765GHkt4PMRi0JfrpUppL9UntbcWG9RfFmhCo96dOs+acc6uF7FrOvhkWL EQqf1slKEREqCg8stTNnrCHlBMyTTBddA5xeZuLilKCL+3gc7QWB3ebipkoHfALXM00W uLcm42sCvQwjttb/mQvfUBIshhg2BhhUsd8Xs= Date: Fri, 25 Dec 2009 16:25:28 +0200 From: Sergei Trofimovich To: Takashi Iwai Cc: linux-kernel@vger.kernel.org, Maciej Rutecki , =?UTF-8?B?w4lyaWM=?= Piel Subject: Re: intel hda regression: 2.6.33-rc{1,2}: hd-audio0 eats 25% CPU (according to top) Message-ID: <20091225162528.5dbbbea0@mosly> In-Reply-To: References: <20091225122107.357d7102@mosly> X-Mailer: Claws Mail 3.7.2 (GTK+ 2.18.5; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/Huoy455xnyo=e+/X2Ro=hQP"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/Huoy455xnyo=e+/X2Ro=hQP Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Fri, 25 Dec 2009 12:18:57 +0100 Takashi Iwai wrote: > At Fri, 25 Dec 2009 12:21:07 +0200, > Sergei Trofimovich wrote: > >=20 > > $SUBJ > >=20 > > $ git describe > > v2.6.33-rc2 > >=20 > > No matter if I actually play any sounds that process consumes 23-24% CPU > > Don't know if it's related to above: even if there is no any sound acti= vity > > I can hear crackling in headphones. > >=20 > > $ lspci -vvv > >=20 > > 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio C= ontroller (rev 03) > > Subsystem: Hewlett-Packard Company Device 30c9 > > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- Par= Err- Stepping- SERR- FastB2B- DisINTx+ > > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=3Dfast >TAbort= - SERR- > Latency: 0, Cache Line Size: 64 bytes > > Interrupt: pin A routed to IRQ 27 > > Region 0: Memory at e0644000 (64-bit, non-prefetchable) [size= =3D16K] > > Capabilities: [50] Power Management version 2 > > Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D55mA PME(D0+,D= 1-,D2-,D3hot+,D3cold+) > > Status: D0 NoSoftRst- PME-Enable- DSel=3D0 DScale=3D0 P= ME- > > Capabilities: [60] MSI: Enable+ Count=3D1/1 Maskable- 64bit+ > > Address: 00000000fee0300c Data: 4191 > > Capabilities: [70] Express (v1) Root Complex Integrated Endpoin= t, MSI 00 > > DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s = unlimited, L1 unlimited > > ExtTag- RBE- FLReset- > > DevCtl: Report errors: Correctable- Non-Fatal- Fatal- U= nsupported- > > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+ > > MaxPayload 128 bytes, MaxReadReq 128 bytes > > DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr= + TransPend- > > LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown,= Latency L0 <64ns, L1 <1us > > ClockPM- Surprise- LLActRep- BwNot- > > LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk- > > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > > LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk-= DLActive- BWMgmt- ABWMgmt- > > Capabilities: [100] Virtual Channel > > Capabilities: [130] Root Complex Link > > Kernel driver in use: HDA Intel > > Kernel modules: snd-hda-intel > >=20 > > $ powertop > >=20 > > Cn Avg residency P-states (frequencies) > > C0 (cpu running) (25.1%) 1200 Mhz 4.7% > > C1 0.0ms ( 0.0%) 1067 Mhz 0.2% > > C2 0.3ms (74.9%) 933 Mhz 0.2% > > 800 Mhz 94.9% > >=20 > >=20 > > Wakeups-from-idle per second : 2931.9 interval: 10.0s > > no ACPI power usage estimate available > >=20 > > Top causes for wakeups: > > 80.6% (6766.8) : HDA Intel=20 > > 10.5% (885.6) : Rescheduling interrupts=20 > > 6.4% (541.3) : hrtimer_start_range_ns (tick_sched_= timer)=20 > This has been already reported by some people, but unfortunately I > couldn't reproduce this on my test machines. >=20 > Eric figured out that replacing the whole sound/pci/hda/* files with > 2.6.31 works, so this must be a regression in that area. > Could someone bisect it? The commits to check are restricted only in > sound/pci/hda, so there shouldn't be many changes. >=20 > % git bisect start -- sound/pci/hda > % git bisect bad > % git bisect good v2.6.32 >=20 >=20 > thanks, Done: d56757abc11a21996d9839c0d4e3b2c3666cd318 is the first bad commit commit d56757abc11a21996d9839c0d4e3b2c3666cd318 Author: Takashi Iwai Date: Wed Nov 18 08:00:14 2009 +0100 ALSA: hda - Replace the rest of jack-detections with snd_hda_jack_detec= t() Signed-off-by: Takashi Iwai :040000 040000 46040881f7bc4b662a784ac66a6482c2a5b3dca5 6a76aa47a3d0cccad0c= 8a3ae62cb63ecbdd9b44d M sound Bisect log: git bisect start '--' 'sound/pci/hda' # bad: [55639353a0035052d9ea6cfe4dde0ac7fcbb2c9f] Linux 2.6.33-rc1 git bisect bad 55639353a0035052d9ea6cfe4dde0ac7fcbb2c9f # good: [22763c5cf3690a681551162c15d34d935308c8d7] Linux 2.6.32 git bisect good 22763c5cf3690a681551162c15d34d935308c8d7 # good: [123c07aeddd71fbb295842a8c19866e780b9a100] ALSA: hda_intel: Digital= PC Beep - change behaviour for input layer git bisect good 123c07aeddd71fbb295842a8c19866e780b9a100 # good: [123c07aeddd71fbb295842a8c19866e780b9a100] ALSA: hda_intel: Digital= PC Beep - change behaviour for input layer git bisect good 123c07aeddd71fbb295842a8c19866e780b9a100 # bad: [0b587fc4d35afb1bc0fc3d890084bb14c78372dc] ALSA: hda: Fix max PCM le= vel to 0 dB for Fujitsu-Siemens laptops using CX2054 9 (Venice) git bisect bad 0b587fc4d35afb1bc0fc3d890084bb14c78372dc # good: [23ccc2bd246a5bdb1ac03dc9040a0585c1890ef3] ALSA: intelhdmi - export= monitor-presence and ELD-valid status git bisect good 23ccc2bd246a5bdb1ac03dc9040a0585c1890ef3 # bad: [d56757abc11a21996d9839c0d4e3b2c3666cd318] ALSA: hda - Replace the r= est of jack-detections with snd_hda_jack_detect() git bisect bad d56757abc11a21996d9839c0d4e3b2c3666cd318 # good: [848de598eef9603d6f2c174f90fded4e63ac5e23] ALSA: intelhdmi - sticky= infoframe git bisect good 848de598eef9603d6f2c174f90fded4e63ac5e23 # good: [81bf31e2d0a6a9f5d83da0a757f8ca03db908162] ALSA: intelhdmi - sticky= channel count git bisect good 81bf31e2d0a6a9f5d83da0a757f8ca03db908162 # good: [83d605fd63e704419ccb92d48b735c6890ce3d6a] ALSA: hda - show EPSS ca= pability in proc git bisect good 83d605fd63e704419ccb92d48b735c6890ce3d6a Sorry, was unable to revert that commit on top of current 2.6.33-rc2 and ve= rify it's guilty. > Takashi --=20 Sergei --Sig_/Huoy455xnyo=e+/X2Ro=hQP Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (GNU/Linux) iEYEARECAAYFAks0y10ACgkQcaHudmEf86oYogCfYNKbwJtqtGklJ6I5ZDcXHG2D yv8AnAlAPcHS5/EnrsD5qsafwLZhs5sm =QCmA -----END PGP SIGNATURE----- --Sig_/Huoy455xnyo=e+/X2Ro=hQP--