Public bug reported:
When playing audio using audacious and pulseaudio backend there are
skips caused by a sudden high cpu usage by atheros driver. tried to
increase the buffer to 5000 ms on audacious no change, this is a minor
anoyance otherwise wireless network works great
[EMAIL PROTECTED]:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory
Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI
Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio
Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1
(rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2
(rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3
(rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4
(rev 03)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI
Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller
(rev 03)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE
Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA
AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 03)
05:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M Fast
Ethernet PCI Express (rev 02)
06:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg
Wireless PCI Express Adapter (rev 01)
[EMAIL PROTECTED]:~$ pstree
init─┬─NetworkManager─┬─dhclient
│ └─{NetworkManager}
├─acpid
├─audacious───5*[{audacious}]
├─avahi-daemon───avahi-daemon
├─console-kit-dae───63*[{console-kit-dae}]
├─cron
├─cupsd
├─2*[dbus-daemon]
├─dbus-launch
├─dd
├─firefox───5*[{firefox}]
├─gam_server
├─gconfd-2
├─gdm───gdm─┬─Xorg
│ └─sh───xfce4-session─┬─Thunar───{Thunar}
│ ├─update-notifier
│ ├─xfce4-panel───xfce4-menu-plug
│ ├─xfdesktop─┬─pidgin
│ │
├─xfce4-terminal─┬─bash───pstree
│ │ │
└─gnome-pty-helpe
│ │ └─{xfdesktop}
│ └─xfwm4
├─6*[getty]
├─gksu───synaptic
├─gnome-keyring-d
├─gnome-power-man
├─gnome-screensav
├─gtk-gnutella───gtk-gnutella
├─gvfs-fuse-daemo───3*[{gvfs-fuse-daemo}]
├─gvfs-gphoto2-vo
├─gvfs-hal-volume
├─gvfsd
├─hald───hald-runner─┬─hald-addon-acpi
│ ├─hald-addon-inpu
│ └─hald-addon-stor
├─klogd
├─nm-applet
├─nm-system-setti
├─pulseaudio─┬─gconf-helper
│ └─2*[{pulseaudio}]
├─ssh-agent
├─syslogd
├─system-tools-ba
├─trackerd───2*[{trackerd}]
├─udevd
├─wpa_supplicant
└─xfce-mcs-manage
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: atheros kernel
--
ath5k_pci sudden high cpu ussage causes audio skips
https://bugs.launchpad.net/bugs/293453
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