lkml.org 
[lkml]   [2003]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject2.5.74: ALSA lockups, and ACPI, IRQ routing
Date
As I've reported several times to LKML, I'm experiencing annoying ALSA lockups 
when using multimedia programs like xmms, xine, and mplayer.
My problem wasn't fixed in the last 4-5 kernels or so but I managed to figure
out a workaround. When booting with acpi=off, the lockups are gone.

Why?
Here's some info....
==========================================
ALSA errors with DEBUG on memory allocation, and verbose prink:

ALSA sound/core/pcm_lib.c:215: Unexpected hw_pointer value (stream = 0, delta:
-6488, max jitter = 8192): wrong interrupt acknowledge?
ALSA sound/pci/via82xx.c:687: invalid via82xx_cur_ptr, using last valid pointe

ALSA sound/core/pcm_native.c:1263: playback drain error (DMA or IRQ trouble?)
ALSA sound/pci/via82xx.c:687: invalid via82xx_cur_ptr, using last valid
pointer

mplayer:
ALSA lib pcm_hw.c:524:(snd_pcm_hw_drain) SNDRV_PCM_IOCTL_DRAIN failed:
Input/output error
alsa-pause: pcm drain error: Input/output error


========================================
IRQ related ACPI messages/errors:

ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 *7 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 1 *3 4 5 6 7 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 7 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 7 *10 11 12 14 15)
ACPI: PCI Interrupt Link [ALKA] (IRQs 20, disabled)
ACPI: PCI Interrupt Link [ALKB] (IRQs 21, disabled)
ACPI: PCI Interrupt Link [ALKC] (IRQs 22, disabled)
ACPI: PCI Interrupt Link [ALKD] (IRQs 23, disabled)

ACPI: No IRQ known for interrupt pin A of device 0000:00:10.0
ACPI: No IRQ known for interrupt pin B of device 0000:00:10.1
ACPI: No IRQ known for interrupt pin C of device 0000:00:10.2
ACPI: No IRQ known for interrupt pin D of device 0000:00:10.3
ACPI: No IRQ known for interrupt pin A of device 0000:00:11.1 - using IRQ 255
ACPI: No IRQ known for interrupt pin C of device 0000:00:11.5

0000:00:11.5 is my sound device (VIA 8233)

=======================================
/proc/interrupts under 2.5.74 with ACPI (init level 5):
CPU0
0: 183866 IO-APIC-edge timer
1: 336 IO-APIC-edge i8042
2: 0 XT-PIC cascade
3: 0 IO-APIC-edge uhci-hcd
7: 0 IO-APIC-edge uhci-hcd
8: 1 IO-APIC-edge rtc
9: 0 IO-APIC-level acpi
10: 0 IO-APIC-edge ehci_hcd
11: 0 IO-APIC-edge uhci-hcd, VIA8233
12: 3433 IO-APIC-edge i8042
14: 17003 IO-APIC-edge ide0
15: 10 IO-APIC-edge ide1
16: 8167 IO-APIC-level nvidia
18: 32 IO-APIC-level eth1
19: 723 IO-APIC-level eth0
NMI: 0
LOC: 183783
ERR: 0
MIS: 0

/proc/interrupts under 2.5.74 with ACPI off (init level 3):
CPU0
0: 70300 IO-APIC-edge timer
1: 516 IO-APIC-edge i8042
2: 0 XT-PIC cascade
8: 5419 IO-APIC-edge rtc
12: 232 IO-APIC-edge i8042
14: 2266 IO-APIC-edge ide0
15: 10 IO-APIC-edge ide1
19: 0 IO-APIC-level ehci_hcd
21: 0 IO-APIC-level uhci-hcd, uhci-hcd, uhci-hcd
22: 172 IO-APIC-level VIA8233
NMI: 0
LOC: 70219
ERR: 0
MIS: 0

Why does using ACPI cause my soundcard to lockup?
Any help will be greatly appreciated.
(BTW 2.4 kernels worked fine with ACPI on...)

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:46    [W:0.044 / U:0.344 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site