Public bug reported:
Hello, I've got a very strange problem while reproducing audio streams on
ubuntu linux 7.10 Gusty Gibbon.
Simply while playing my MP3s (I installed restricted codecs) or one of my audio
CDs the sound suddenly stops; I can not be more precise because sometimes I can
hear sounds for some minutes, but sometimes the audio lacks after few seconds;
sometimes after an undefined period of time the sound returns working (and will
also stops...).
I already tried installing the vendor alsa package and also downloading new
alsa drivers from the alsa project page but the problem remains.
Another important note: I can reproduce this problem with another liveCD linux
distro.
Now I'll post some informations about my HW/SW config:
# uname -a
Linux disg1 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007 i686 GNU/Linux
# lspci
00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub
Interface (rev 02)
00:01.0 PCI bridge: Intel Corporation 82865G/PE/P PCI to AGP Controller (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI
Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI
Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface
Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller
(rev 02)
00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev
02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R)
AC'97 Audio Controller (rev 02)
01:00.0 VGA compatible controller: ATI Technologies Inc RV350 AR [Radeon 9600]
01:00.1 Display controller: ATI Technologies Inc RV350 AR [Radeon 9600]
(Secondary)
02:0e.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
# cat /proc/interrupts
CPU0
0: 143 IO-APIC-edge timer
1: 6407 IO-APIC-edge i8042
6: 5 IO-APIC-edge floppy
7: 0 IO-APIC-edge parport0
8: 3 IO-APIC-edge rtc
9: 1 IO-APIC-fasteoi acpi
12: 183290 IO-APIC-edge i8042
14: 485314 IO-APIC-edge libata
15: 129260 IO-APIC-edge libata
16: 0 IO-APIC-fasteoi uhci_hcd:usb1, uhci_hcd:usb4, fglrx
17: 0 IO-APIC-fasteoi uhci_hcd:usb2
18: 432242 IO-APIC-fasteoi uhci_hcd:usb3, eth0
19: 0 IO-APIC-fasteoi ehci_hcd:usb5
20: 36974 IO-APIC-fasteoi Intel ICH5
NMI: 0
LOC: 46656334
ERR: 0
MIS: 0
# cat /proc/asound/cards
0 [ICH5 ]: ICH4 - Intel ICH5
Intel ICH5 with ALC655 at irq 20
# asoundconf list
Please note that you are attempting to run asoundconf as a privileged
superuser, which may have unintended consequences.
Names of available sound cards:
ICH5
# modinfo snd_intel8x0
filename: /lib/modules/2.6.22-14-generic/kernel/sound/pci/snd-intel8x0.ko
license: GPL
description: Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012;
Ali 5455
author: Jaroslav Kysela <[EMAIL PROTECTED]>
srcversion: 1C907F21389D55B678F22A0
alias: pci:v000010B9d00005455sv*sd*bc*sc*i*
alias: pci:v00001022d00007445sv*sd*bc*sc*i*
alias: pci:v00001022d0000746Dsv*sd*bc*sc*i*
alias: pci:v000010DEd0000026Bsv*sd*bc*sc*i*
alias: pci:v000010DEd000000EAsv*sd*bc*sc*i*
alias: pci:v000010DEd000000DAsv*sd*bc*sc*i*
alias: pci:v000010DEd0000008Asv*sd*bc*sc*i*
alias: pci:v000010DEd00000059sv*sd*bc*sc*i*
alias: pci:v000010DEd0000006Asv*sd*bc*sc*i*
alias: pci:v000010DEd0000003Asv*sd*bc*sc*i*
alias: pci:v000010DEd000001B1sv*sd*bc*sc*i*
alias: pci:v00001039d00007012sv*sd*bc*sc*i*
alias: pci:v00008086d00007195sv*sd*bc*sc*i*
alias: pci:v00008086d00002698sv*sd*bc*sc*i*
alias: pci:v00008086d000027DEsv*sd*bc*sc*i*
alias: pci:v00008086d0000266Esv*sd*bc*sc*i*
alias: pci:v00008086d000025A6sv*sd*bc*sc*i*
alias: pci:v00008086d000024D5sv*sd*bc*sc*i*
alias: pci:v00008086d000024C5sv*sd*bc*sc*i*
alias: pci:v00008086d00002485sv*sd*bc*sc*i*
alias: pci:v00008086d00002445sv*sd*bc*sc*i*
alias: pci:v00008086d00002425sv*sd*bc*sc*i*
alias: pci:v00008086d00002415sv*sd*bc*sc*i*
depends: snd-ac97-codec,snd-pcm,snd-page-alloc,snd,snd
vermagic: 2.6.22-14-generic SMP mod_unload 586
parm: index:Index value for Intel i8x0 soundcard. (int)
parm: id:ID string for Intel i8x0 soundcard. (charp)
parm: ac97_clock:AC'97 codec clock (0 = auto-detect). (int)
parm: ac97_quirk:AC'97 workaround for strange hardware. (charp)
parm: buggy_semaphore:Enable workaround for hardwares with
problematic codec semaphores. (bool)
parm: buggy_irq:Enable workaround for buggy interrupts on some
motherboards. (bool)
parm: xbox:Set to 1 for Xbox, if you have problems with the AC'97
codec detection. (bool)
parm: spdif_aclink:S/PDIF over AC-link. (int)
parm: enable:bool
parm: joystick:int
# cat /etc/asound.conf
pcm.card0 {
type hw
card 0
}
pcm.!default {
type plug
slave.pcm "dmixer"
}
pcm.dmixer {
type dmix
ipc_key 1234
slave {
pcm "hw:0,0"
period_time 0
period_size 1024
buffer_size 8192
rate 44100
}
bindings {
0 0
1 1
}
}
Ok, I think that's all.
Let me know if you need additional information in order to reproduce this
problem...
Thank you for your attention.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
--
Sound suddenly stops
https://bugs.launchpad.net/bugs/156450
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