[Pkg-alsa-devel] Bug#108572: marked as done (alsa-source: PCI IRQ sharing with USB will crash ALSA)
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Sat, 04 Sep 2004 04:33:09 -0700
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and subject line Closing driver bug reports more than 2 years old
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From: Alexander List <alexlist@sbox.tu-graz.ac.at>
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To: submit@bugs.debian.org
Subject: alsa-source: PCI IRQ sharing with USB will crash ALSA
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Package: alsa-source
Version: 0.9+0beta4-5
When trying to load the alsa-module I created myself with from
alsa-source, and USB module is loaded, the ALSA driver for cs46xx
sound-cards will crash:
Eventually the module is not able to share the IRQ with USB. The OSS
driver seems to work fine, though I have not tested using USB as I have no
USB device.
yok101:/lib/modules/2.4.7/alsa# modprobe snd-card-cs46xx.o
modprobe: Can't locate module snd-card-cs46xx.o
yok101:/lib/modules/2.4.7/alsa# modprobe snd-card-cs46xx
PCI: Found IRQ 5 for device 00:09.0
PCI: Sharing IRQ 5 with 00:04.2
Unable to handle kernel NULL pointer dereference at virtual address 00000028
printing eip:
e987bf52
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<e987bf52>]
EFLAGS: 00010246
eax: 00000000 ebx: 4352592d ecx: ffffffff edx: 00000000
esi: e987e46d edi: dd531c90 ebp: dd531c90 esp: dd531c0c
ds: 0018 es: 0018 ss: 0018
Process modprobe (pid: 346, stackpage=dd531000)
Stack: e987bf6b de859e00 0000000a dd530000 dd531c90 de859e00 0000000a dd530000
e987ef9c de859e00 0000000a df4a0000 e987c2c4 00000000 4352592d dd531c90
e987c2b5 de859e00 4352592d dd531c90 00000f3c 00000000 dd530000 dd531d00
Call Trace: [<c0128d26>] [<c012fe04>] [<c018f33e>] [<c018f3a4>] [<c0128d72>] [<c0128d98>] [<c0113aad>]
[<c0106afb>]
Code: 8a 42 28 50 68 6f e4 87 e9 31 c0 f2 ae f7 d1 49 8d 04 29 50
Segmentation fault
ii kernel-image-2 6 Linux kernel binary image for version 2.4.7.
ii alsa-source 0.9+0beta4-5 ALSA driver source
ii alsa-base 0.9+0beta4-5 ALSA driver common files
ii libc6 2.2.3-9 GNU C Library: Shared libraries and Timezone
This is what /proc/interrupts looks at the moment (with OSS driver):
yok101:/usr/src# cat /proc/interrupts
CPU0
0: 524971 XT-PIC timer
1: 9165 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 0 XT-PIC cs46xx, usb-uhci
8: 1 XT-PIC rtc
9: 0 XT-PIC acpi
10: 30665 XT-PIC eth0
12: 22132 XT-PIC PS/2 Mouse
14: 5644 XT-PIC ide0
15: 0 XT-PIC ide1
NMI: 0
ERR: 0
MIS: 0
---------------------------------------
Received: (at 108572-done) by bugs.debian.org; 4 Sep 2004 11:25:13 +0000
>From jdthood@aglu.demon.nl Sat Sep 04 04:25:13 2004
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Subject: Closing driver bug reports more than 2 years old
From: Thomas Hood <jdthood@aglu.demon.nl>
To: 100041-done@bugs.debian.org, 108572-done@bugs.debian.org,
126797-done@bugs.debian.org
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Closing driver bug reports more than 2 years old since they
aren't likely to be relevant any more.
--
Thomas