--text follows this line--
I've been complaining for several months about Oops's, lockups, etc.,
on my Sony Viao Z5050S laptop. Sometimes I would simply freeze,
sometimes I got an oops (several of which have been posted), and last
week, I actually got some sound, albeit very corrupted.
Last night I did a CVS update, rebuilt and installed, and promptly
froze when I tried to use sound. (I have things set up to have the
modules loaded and unloaded automatically). I was in X (gnome), and a
second USB mouse installed, and a PCMCI modem card plugged in.
After unplugging all the add-in devices and rebooting, I decided to
give alsa another try, hoping at least to get the poor-quality sound I
had in the last version or perhaps an oops. To my suprise it worked
PERFECTLY! What was different, is that I tried alsa before plugging
any of the other devices in and before starting X. Moreover, once
alsa's modules were installed, everything else could be installed and
the system seems stable.
Could the problem may have something to do with the fact that IRQ9
is shared on this machine? Here's what /proc/interrupts says:
9: 72787 XT-PIC Ricoh Co Ltd RL5c475, eth0, usb-uhci, NM256AV
I've copied the output of lshw below. You'll notice lots of things use IRQ9.
Any suggestions?
David
------------------------------------------------------------------------
description: Computer
*-core
physical id: 0
*-memory
description: System memory
physical id: 1
size: 191MB
*-cpu
product: Celeron (Mendocino)
vendor: Intel Corp.
physical id: 2
version: 6.6.10
size: 331MHz
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 sep mtrr
pge mca cmov pat pse36 mmx fxsr
*-cache:0
description: L1 cache
physical id: 0
size: 32KB
*-cache:1
description: L2 cache
physical id: 1
size: 128KB
*-pci
description: Host bridge
product: 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (AGP disabled)
vendor: Intel Corp.
physical id: 0
bus info: [EMAIL PROTECTED]:00.0
version: 03
clock: 33MHz
*-network
description: Ethernet controller
product: 82557/8/9 [Ethernet Pro 100]
vendor: Intel Corp.
physical id: 6
bus info: [EMAIL PROTECTED]:06.0
version: 08
clock: 33MHz
capabilities: bus_master cap_list
configuration: driver=eepro100
resources: iomemory:fecff000-fecfffff ioport:fcc0-fcff
iomemory:fed00000-fedfffff irq:9
*-bridge:0 UNCLAIMED
description: Bridge
product: 82371AB/EB/MB PIIX4 ISA
vendor: Intel Corp.
physical id: 7
bus info: [EMAIL PROTECTED]:07.0
version: 02
clock: 33MHz
capabilities: bridge bus_master
*-ide
description: IDE interface
product: 82371AB/EB/MB PIIX4 IDE
vendor: Intel Corp.
physical id: 7.1
bus info: [EMAIL PROTECTED]:07.1
version: 01
clock: 33MHz
capabilities: ide bus_master
configuration: driver=PIIX
resources: ioport:fcb0-fcbf
*-ide:0
description: Channel 0
physical id: 0
bus info: [EMAIL PROTECTED]
logical name: ide0
clock: 33MHz
*-disk
product: TOSHIBA MK4018GAS
physical id: 0
bus info: [EMAIL PROTECTED]:master
logical name: /dev/hda
capacity: 37GB
*-ide:1
description: Channel 1
physical id: 1
bus info: [EMAIL PROTECTED]
logical name: ide1
clock: 33MHz
*-disk
product: MEMORYSTICK 4M 8K
physical id: 0
bus info: [EMAIL PROTECTED]:master
logical name: /dev/hdc
capacity: 3952KB
*-usb
description: USB Controller (UHCI)
product: 82371AB/EB/MB PIIX4 USB
vendor: Intel Corp.
physical id: 7.2
bus info: [EMAIL PROTECTED]:07.2
version: 01
clock: 33MHz
capabilities: uhci bus_master
configuration: driver=usb-uhci
resources: ioport:fc60-fc7f irq:9
*-bridge:1 UNCLAIMED
description: Bridge
product: 82371AB/EB/MB PIIX4 ACPI
vendor: Intel Corp.
physical id: 7.3
bus info: [EMAIL PROTECTED]:07.3
version: 02
clock: 33MHz
capabilities: bridge
resources: irq:9
*-display UNCLAIMED
description: VGA compatible controller (VGA)
product: NM2200 [MagicGraph 256AV]
vendor: Neomagic Corporation
physical id: 8
bus info: [EMAIL PROTECTED]:08.0
version: 12
size: 16MB
clock: 33MHz
capabilities: vga bus_master cap_list
resources: iomemory:fd000000-fdffffff iomemory:fe400000-fe7fffff
iomemory:feb00000-febfffff irq:9
*-multimedia
description: Multimedia audio controller
product: NM2200 [MagicMedia 256AV Audio]
vendor: Neomagic Corporation
physical id: 8.1
bus info: [EMAIL PROTECTED]:08.1
version: 12
clock: 33MHz
capabilities: cap_list
configuration: driver=NeoMagic
resources: iomemory:fe000000-fe3fffff iomemory:fea00000-feafffff irq:9
*-firewire UNCLAIMED
description: FireWire (IEEE 1394) (Generic)
product: CXD1947Q i.LINK Controller
vendor: Sony Corporation
physical id: 9
bus info: [EMAIL PROTECTED]:09.0
version: 01
clock: 33MHz
capabilities: generic cap_list
resources: iomemory:fecfec00-fecfedff
*-pcmcia
description: CardBus bridge
product: RL5c475
vendor: Ricoh Co Ltd
physical id: a
bus info: [EMAIL PROTECTED]:0a.0
version: 00
clock: 33MHz
capabilities: pcmcia bus_master cap_list
configuration: driver=cardbus
resources: iomemory:10000000-10000fff iomemory:b00401000-b00400fff irq:9
*-pccard
description: Serial or Modem
physical id: 0
slot: Socket 0
*-serial
physical id: 0
logical name: /dev/ttyS1
configuration: driver=serial_cs
*-communication UNCLAIMED
description: Communication controller
product: HCF 56k Data/Fax Modem
vendor: Rockwell International
physical id: b
bus info: [EMAIL PROTECTED]:0b.0
version: 01
clock: 33MHz
capabilities: cap_list
resources: iomemory:fece0000-feceffff irq:9
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