Public bug reported:
Hi,
since I upgraded my kubuntu from gutsy to hardy, the sound system
behaves a bit strange. First for information:
Board: ASUS A7N8X Deluxe 2.0 with nforce2
Sound: onboard
TV-CARD: Haupaugge WinTV PCI with line-out connected to line-in of the
sound-card
The situation is that whenever I stop artsd or it goes into suspend-mode
due to the -s flag, I hear a quite loud background noise coming out of
the speakers. It sounds like if I had turned the volume of the amplifier
to maximum, very nasty... When artsd is running, sound is ok.
The TV-Card connected to line-in is only part of the problem, if I
unplug it, the noise becomes a little bit less loud, but still much
louder than with artsd running. I never had such problems with feisty or
gutsy or debian-stable... Here some more information:
$ uname -r
2.6.24-16-generic
$ lspci
00:00.0 Host bridge: nVidia Corporation nForce2 IGP2 (rev c1)
00:00.1 RAM memory: nVidia Corporation nForce2 Memory Controller 1 (rev c1)
00:00.2 RAM memory: nVidia Corporation nForce2 Memory Controller 4 (rev c1)
00:00.3 RAM memory: nVidia Corporation nForce2 Memory Controller 3 (rev c1)
00:00.4 RAM memory: nVidia Corporation nForce2 Memory Controller 2 (rev c1)
00:00.5 RAM memory: nVidia Corporation nForce2 Memory Controller 5 (rev c1)
00:01.0 ISA bridge: nVidia Corporation nForce2 ISA Bridge (rev a4)
00:01.1 SMBus: nVidia Corporation nForce2 SMBus (MCP) (rev a2)
00:02.0 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4)
00:02.1 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4)
00:02.2 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4)
00:04.0 Ethernet controller: nVidia Corporation nForce2 Ethernet Controller
(rev a1)
00:05.0 Multimedia audio controller: nVidia Corporation nForce Audio Processing
Unit (rev a2)
00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio
Controler (MCP) (rev a1)
00:08.0 PCI bridge: nVidia Corporation nForce2 External PCI Bridge (rev a3)
00:09.0 IDE interface: nVidia Corporation nForce2 IDE (rev a2)
00:0c.0 PCI bridge: nVidia Corporation nForce2 PCI Bridge (rev a3)
00:0d.0 FireWire (IEEE 1394): nVidia Corporation nForce2 FireWire (IEEE 1394)
Controller (rev a3)
00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1)
01:08.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture
(rev 11)
01:08.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev
11)
02:01.0 Ethernet controller: 3Com Corporation 3C920B-EMB Integrated Fast
Ethernet Controller [Tornado] (rev 40)
03:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200]
(rev a1)
$ lsmod | grep snd
snd_bt87x 16996 1
snd_seq_dummy 4996 0
snd_mpu401 9576 0
snd_mpu401_uart 9856 1 snd_mpu401
snd_seq_oss 35456 0
snd_seq_midi 9504 0
snd_intel8x0 35740 3
snd_rawmidi 25888 2 snd_mpu401_uart,snd_seq_midi
snd_seq_midi_event 8576 2 snd_seq_oss,snd_seq_midi
snd_ac97_codec 101156 1 snd_intel8x0
snd_seq 54096 6
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
ac97_bus 3200 1 snd_ac97_codec
snd_pcm_oss 42528 0
snd_mixer_oss 18048 1 snd_pcm_oss
snd_seq_device 9612 5
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd_pcm 78852 5
snd_bt87x,snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer 24964 3 snd_seq,snd_pcm
snd 57124 20
snd_bt87x,snd_seq_dummy,snd_mpu401,snd_mpu401_uart,snd_seq_oss,snd_intel8x0,snd_rawmidi,snd_ac97_codec,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_seq_device,snd_pcm,snd_timer
soundcore 8800 1 snd
snd_page_alloc 11656 3 snd_bt87x,snd_intel8x0,snd_pcm
ciao
Pascal
** Affects: ubuntu
Importance: Undecided
Status: New
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sound-problem: loud background noise
https://bugs.launchpad.net/bugs/218395
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