pop-noise from speaker when shutdown

asked 2013-10-08 21:02:31 -0500

froooyo gravatar image

updated 2013-10-08 23:57:21 -0500

Thinkpad T430, Feora 17. whenever I shutdown os, I get a "pop noise" before the machine actually powers off . it's probably a result of capacitor discharge being sent to your speakers. the sound looks like command "aplay -d 1 /dev/zero"

!!################################
!!ALSA Information Script v 0.4.62
!!################################

!!Script ran on: Mon Oct  7 07:15:03 UTC 2013


!!Linux Distribution
!!------------------

Fedora release 17 (Beefy Miracle) Fedora release 17 (Beefy Miracle) NAME=Fedora ID=fedora PRETTY_NAME="Fedora 17 (Beefy Miracle)" CPE_NAME="cpe:/o:fedoraproject:fedora:17" Fedora release 17 (Beefy Miracle) Fedora release 17 (Beefy Miracle)


!!DMI Information
!!---------------

Manufacturer:      LENOVO
Product Name:      23442MC
Product Version:   ThinkPad T430
Firmware Version:  G1ET93WW (2.53 )


!!Kernel Information
!!------------------

Kernel release:    3.9.10-100.fc17.i686
Operating System:  GNU/Linux
Architecture:      i686
Processor:         i686
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     1.0.2x-130606-v5.18
Library version:    
Utilities version:  1.0.26


!!Loaded ALSA modules
!!-------------------

snd_hda_intel
thinkpad_acpi


!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes

Jack:
      Installed - Yes (/usr/bin/jackd)
      Running - No


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf2530000 irq 46
 4 [ThinkPadEC     ]: ThinkPad EC - ThinkPad Console Audio Control
                      ThinkPad Console Audio Control at EC reg 0x30, fw unknown


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04)


!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

00:1b.0 0403: 8086:1e20 (rev 04)
    Subsystem: 17aa:21f3


!!Loaded sound module options
!!---------------------------

!!Module: snd_hda_intel
    align_buffer_size : -1
    bdl_pos_adj : 1,-1,-1,-1,-1,-1,-1,-1
    beep_mode : Y,Y,Y,Y,Y,Y,Y,Y
    enable : Y,Y,Y,Y,Y,Y,Y,Y
    enable_msi : -1
    id : (null),(null),(null),(null),(null),(null),(null),(null)
    index : -1,-1,-1,-1,-1,-1,-1,-1
    jackpoll_ms : 0,0,0,0,0,0,0,0
    model : auto,(null),(null),(null),(null),(null),(null),(null)
    patch : (null),(null),(null),(null),(null),(null),(null),(null)
    position_fix : -1,-1,-1,-1,-1,-1,-1,-1
    power_save : 10
    power_save_controller : Y
    probe_mask : -1,-1,-1,-1,-1,-1,-1,-1
    probe_only : 0,0,0,0,0,0,0,0
    single_cmd : N
    snoop : Y

!!Module: thinkpad_acpi
    brightness_enable : 2
    brightness_mode : 4
    enable : Y
    experimental : 0
    fan_control : N
    force_load : N
    hotkey_report_mode : 0
    id : ThinkPadEC
    index : -536870912
    volume_capabilities : 0
    volume_control : N
    volume_mode : 3


!!HDA-Intel Codec information
!!---------------------------
--startcollapse--

Codec: Realtek ALC3202
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x10ec0269
Subsystem Id: 0x17aa21f3
Revision Id: 0x100203
No Modem Function Group found
Default PCM:
    rates [0x5f0]: 32000 44100 48000 88200 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
  Power states:  D0 D1 D2 D3 CLKSTOP EPSS
  Power: setting=D0, actual=D0
GPIO: io=2, o=0, i=0, unsolicited=1, wake=0
  IO[0]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[1]: enable=0, dir=0, wake=0 ...
(more)
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Comments

Do you get it with windows too?

hmaarrfk gravatar imagehmaarrfk ( 2013-10-09 00:16:22 -0500 )edit

laptop shutdown quiet with win7

froooyo gravatar imagefroooyo ( 2013-10-09 01:25:39 -0500 )edit