help on dmesg output

Unfortunately, this note concerns my ongoing misfortunes with sound on a
mod'd Dell Optiplex running Debian unstable. I recently posted on trying
to get an ISA soundcard going on this machine, an endeavor which finally
resulted in frustration and failure. After that, I decided to take what
appeared to be the path of least resistance and just try to use the
onboard sound. I previously had onboard sound working on this machine
under the 2.6.8 kernel and Ubuntu. I accomplished that by adding
snd-cs4236 to /etc/modules--pretty simple (this is a Crystal Semiconductor
CS4236 chipset).

Turns out it is not so easy under Debian unstable with the 2.6.10 kernel.
I get some worrying output in dmesg, which gives the following:


inserting floppy driver for 2.6.10-1-686
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
input: PS/2 Logitech Mouse on isa0060/serio1
mice: PS/2 mouse device common for all mice
ts: Compaq touchscreen protocol output
input: PC Speaker
Real Time Clock Driver v1.12
ad1848/cs4248 codec driver Copyright (C) by Hannu Savolainen 1993-1996
ad1848: No ISAPnP cards found, trying standard ones...
cs4232: set synthio and synthirq to use the wavefront facilities.
cs4232: Must set io, irq and dma.
Unable to handle kernel paging request at virtual address f0d8e5c8
printing eip:
c01bb70f
*pde = 1fa79067
*pte = 00000000
Oops: 0002 [#1]
PREEMPT
Modules linked in: ns558 gameport ad1848 uart401 sound rtc pcspkr tsdev mousedev evdev psmouse floppy parport_pc parport i2c_piix4 i2c_core pci_hotplug intel_agp usb_storage uhci_hcd usbcore 3c59x agpgart capability commoncap snd_cs4236 snd_opl3_lib snd_hwdep snd_cs4236_lib snd_mpu401_uart snd_rawmidi snd_seq_device snd_cs4231_lib snd_pcm snd_timer snd soundcore snd_page_alloc ide_cd cdrom ext3 jbd mbcache ide_generic via82cxxx trm290 triflex slc90e66 sis5513 siimage serverworks sc1200 rz1000 piix pdc202xx_old opti621 ns87415 hpt366 ide_disk hpt34x generic cy82c693 cs5530 cs5520 cmd64x atiixp amd74xx alim15x3 aec62xx pdc202xx_new ide_core sd_mod ata_piix libata scsi_mod unix fbcon font bitblit vesafb cfbcopyarea cfbimgblt cfbfillrect
CPU: 0
EIP: 0060:[] Not tainted VLI
EFLAGS: 00010296 (2.6.10-1-686)
EIP is at kobject_add+0x6f/0x100
eax: c03230a0 ebx: f0cf446c ecx: f0d8e5c8 edx: f0cf4488
esi: ffffffea edi: c03230a8 ebp: 00000000 esp: ee857f28
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 4673, threadinfo=ee856000 task=ef44aa00)
Stack: c03230a8 f0cf446c f0cf446c ffffffea f0cf4454 c01bb7c8 f0cf446c f0cf446c
c0323040 f0cf446c c0323040 c021a758 f0cf446c c02b2f64 f0cf362e f0cf4440
f0cf44c0 08049470 ee856000 c021adbf f0cf4454 f0d8ed54 f0d8d6c9 f0d8e10a
Call Trace:
[] kobject_register+0x28/0x60
[] bus_add_driver+0x58/0xd0
[] driver_register+0x2f/0x40
[] pnp_register_driver+0x2d/0x70
[] ns558_init+0x30/0x50 [ns558]
[] sys_init_module+0x163/0x210
[] syscall_call+0x7/0xb
Code: 00 ff ff 8d 41 48 0f c1 10 85 d2 0f 85 5e 06 00 00 85 ff 0f 84 86 00 00 00 8b 43 28 8d 53 1c 83 c0 08 89 43 1c 8b 48 04 89 50 04 <89> 11 89 4a 04 8b 43 28 8b 30 8d 4e 48 89 c8 ba ff ff 00 00 0f
<6>NET: Registered protocol family 17
NET: Registered protocol family 10
Disabled Privacy Extensions on device c032abe0(lo)
IPv6 over IPv4 tunneling driver
eth0: no IPv6 routers present

Any input on what this means and what I can do about it? Not modprobing
that module would resolve it, of course. And I'm not beyond doing that.
I've pretty much decided it's not worth any more effort trying to get
sound going on this machine. But I'm thinking (in my rather uninformed
way) that this error message might be something that needs to be reported
to someone involved with the kernel.

Another wierd thing regarding this module is that it seems to somehow get
isapnp working. IO addresses that previously could not be assigned (in the
200 range) when I was trying to get that ISA soundcard working are now
being assigned. Here's /proc/ioports output that shows this:

0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-006f : keyboard
0070-0077 : rtc
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0213-0213 : ISAPnP
0220-022f : CS4236+ SB
02f8-02ff : serial
0330-0331 : MPU401 UART
0376-0376 : ide1
0378-037a : parport0
037b-037f : parport0
0388-0389 : OPL2/3 (left)
038a-038b : OPL2/3 (right)
03c0-03df : vesafb
03f6-03f6 : ide0
03f8-03ff : serial
0534-0537 : CS4231
0778-077a : parport0
0800-083f : 0000:00:07.3
0800-083f : pnp 00:00
0840-085f : 0000:00:07.3
0850-085f : pnp 00:00
0850-0857 : piix4-smbus
0a79-0a79 : isapnp write
0cf8-0cff : PCI conf1
0f00-0f07 : CS4232 Control
dc00-dc7f : 0000:00:0e.0
dc00-dc7f : 0000:00:0e.0
dce0-dcff : 0000:00:07.2
dce0-dcff : uhci_hcd
e000-efff : PCI Bus #01
ec00-ecff : 0000:01:00.0
ffa0-ffaf : 0000:00:07.1
ffa0-ffa7 : ide0
ffa8-ffaf : ide1

0x220 was the address I was trying to assign to the Logitech Soundman card
I was trying to get going earlier. I could neither assign that address,
nor 0x230. Weird, if you ask me. But what do I know?

FYI, James
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Re: help on dmesg output

On Mon, 11 Apr 2005, James Miller wrote:

> kernel and Ubuntu. I accomplished that by adding snd-cs4236 to
> /etc/modules--pretty simple (this is a Crystal Semiconductor CS4236 chipset).
>
> Turns out it is not so easy under Debian unstable with the 2.6.10 kernel. I
> get some worrying output in dmesg, which gives the following:
>
>
> inserting floppy driver for 2.6.10-1-686
> Floppy drive(s): fd0 is 1.44M
> FDC 0 is a National Semiconductor PC87306
> input: PS/2 Logitech Mouse on isa0060/serio1
> mice: PS/2 mouse device common for all mice
> ts: Compaq touchscreen protocol output
> input: PC Speaker
> Real Time Clock Driver v1.12
> ad1848/cs4248 codec driver Copyright (C) by Hannu Savolainen 1993-1996
> ad1848: No ISAPnP cards found, trying standard ones...
> cs4232: set synthio and synthirq to use the wavefront facilities.
> cs4232: Must set io, irq and dma.

This seems to be the OSS sound driver and you seem to insert the OSS sound
module _after_ you inserted the ALSA ones (snd_*) so this can be the cause
for
|
|
|
V

> Unable to handle kernel paging request at virtual address f0d8e5c8
> printing eip:

Can you post the full dmesg ?

> Oops: 0002 [#1]
> PREEMPT Modules linked in: ns558 gameport ad1848 uart401 sound rtc pcspkr
> tsdev mousedev evdev psmouse floppy parport_pc parport i2c_piix4 i2c_core
> pci_hotplug intel_agp usb_storage uhci_hcd usbcore 3c59x agpgart capability
> commoncap snd_cs4236 snd_opl3_lib snd_hwdep snd_cs4236_lib snd_mpu401_uart
> snd_rawmidi snd_seq_device snd_cs4231_lib snd_pcm snd_timer snd soundcore
> snd_page_alloc ide_cd cdrom ext3 jbd mbcache ide_generic via82cxxx trm290
> triflex slc90e66 sis5513 siimage serverworks sc1200 rz1000 piix pdc202xx_old
> opti621 ns87415 hpt366 ide_disk hpt34x generic cy82c693 cs5530 cs5520 cmd64x
> atiixp amd74xx alim15x3 aec62xx pdc202xx_new ide_core sd_mod ata_piix libata
> scsi_mod unix fbcon font bitblit vesafb cfbcopyarea cfbimgblt cfbfillrect

You have _a lot_ of modules linked in. I don't think you need all of them.

>
> Any input on what this means and what I can do about it? Not modprobing that
> module would resolve it, of course. And I'm not beyond doing that. I've
> pretty much decided it's not worth any more effort trying to get sound going
> on this machine. But I'm thinking (in my rather uninformed way) that this
> error message might be something that needs to be reported to someone
> involved with the kernel.
>

AFAIK it's not nice for the kernel to load strange modules so i think it's
better if you use just the modules you want

> Another wierd thing regarding this module is that it seems to somehow get
> isapnp working. IO addresses that previously could not be assigned (in the
> 200 range) when I was trying to get that ISA soundcard working are now being
> assigned. Here's /proc/ioports output that shows this:
>
> 0000-001f : dma1
> 0020-0021 : pic1
> 0040-0043 : timer0
> 0050-0053 : timer1
> 0060-006f : keyboard
> 0070-0077 : rtc
> 0080-008f : dma page reg
> 00a0-00a1 : pic2
> 00c0-00df : dma2
> 00f0-00ff : fpu
> 0170-0177 : ide1
> 01f0-01f7 : ide0
> 0213-0213 : ISAPnP
> 0220-022f : CS4236+ SB
> 02f8-02ff : serial
> 0330-0331 : MPU401 UART
> 0376-0376 : ide1
> 0378-037a : parport0
> 037b-037f : parport0
> 0388-0389 : OPL2/3 (left)
> 038a-038b : OPL2/3 (right)
> 03c0-03df : vesafb
> 03f6-03f6 : ide0
> 03f8-03ff : serial
> 0534-0537 : CS4231
> 0778-077a : parport0
> 0800-083f : 0000:00:07.3
> 0800-083f : pnp 00:00
> 0840-085f : 0000:00:07.3
> 0850-085f : pnp 00:00
> 0850-0857 : piix4-smbus
> 0a79-0a79 : isapnp write
> 0cf8-0cff : PCI conf1
> 0f00-0f07 : CS4232 Control
> dc00-dc7f : 0000:00:0e.0
> dc00-dc7f : 0000:00:0e.0
> dce0-dcff : 0000:00:07.2
> dce0-dcff : uhci_hcd
> e000-efff : PCI Bus #01
> ec00-ecff : 0000:01:00.0
> ffa0-ffaf : 0000:00:07.1
> ffa0-ffa7 : ide0
> ffa8-ffaf : ide1
>
> 0x220 was the address I was trying to assign to the Logitech Soundman card I
> was trying to get going earlier. I could neither assign that address, nor
> 0x230. Weird, if you ask me. But what do I know?
>

What do you mean that you couldn't assign that adress ? The fact that the
card didn't worked usually means that IO + IRQ + DMA probing for the card
was unsuccessfull and/or the driver initialization failed.

> FYI, James
> -

--
?


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Re: help on dmesg output

On Mon, 11 Apr 2005 caszonyi@rdslink.ro wrote:

> On Mon, 11 Apr 2005, James Miller wrote:
>
>> input: PC Speaker
>> Real Time Clock Driver v1.12
>> ad1848/cs4248 codec driver Copyright (C) by Hannu Savolainen 1993-1996
>> ad1848: No ISAPnP cards found, trying standard ones...
>> cs4232: set synthio and synthirq to use the wavefront facilities.
>> cs4232: Must set io, irq and dma.
>
> This seems to be the OSS sound driver and you seem to insert the OSS sound
> module _after_ you inserted the ALSA ones (snd_*) so this can be the cause
> for
> |
> |
> |
> V
>
>> Unable to handle kernel paging request at virtual address f0d8e5c8
>> printing eip:

I think these problems might have been related to the module loading
twice. Apparently the kernel does some sort of detection and loads the
module, and there was no need for me to enter it in /etc/modules. At least
the problem output I posted previously goes away when I remove the
snd-cs4236 line from /etc/modules.

> Can you post the full dmesg ?

Ok:

Linux version 2.6.10-1-686 (dilinger@mouth) (gcc version 3.3.5 (Debian 1:3.3.5-8)) #1 Fri Mar 11 03:55:46 EST 2005
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000002fffe000 (usable)
BIOS-e820: 000000002fffe000 - 0000000030000000 (reserved)
BIOS-e820: 00000000ffe00000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
767MB LOWMEM available.
On node 0 totalpages: 196606
DMA zone: 4096 pages, LIFO batch:1
Normal zone: 192510 pages, LIFO batch:16
HighMem zone: 0 pages, LIFO batch:1
DMI 2.2 present.
ACPI: RSDP (v000 DELL ) @ 0x000fdf50
ACPI: RSDT (v001 DELL GX1 0x00000002 ASL 0x00000061) @ 0x000fdf64
ACPI: FADT (v001 DELL GX1 0x00000002 ASL 0x00000061) @ 0x000fdf8c
ACPI: DSDT (v001 OEMx dt_ex 0x00001000 MSFT 0x0100000b) @ 0x00000000
ACPI: BIOS age (1999) fails cutoff (2001), acpi=force is required to enable ACPI
ACPI: Disabling ACPI support
Built 1 zonelists
Kernel command line: root=/dev/hda1 vga=789 ro
Local APIC disabled by BIOS -- you can enable it with "lapic"
mapped APIC to ffffd000 (01609000)
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 65536 bytes)
Detected 1390.714 MHz processor.
Using tsc for high-res timesource
Console: colour dummy device 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 771332k/786424k available (1682k kernel code, 14380k reserved, 703k data, 172k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 2752.51 BogoMIPS (lpj=1376256)
Security Framework v1.0.0 initialized
SELinux: Disabled at boot.
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: After generic identify, caps: 0383f9ff 00000000 00000000 00000000 00000000 00000000
CPU: After vendor identify, caps: 0383f9ff 00000000 00000000 00000000 00000000 00000000
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 256K
CPU: After all inits, caps: 0383f9ff 00000000 00000000 00000040 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: Intel(R) Celeron(TM) CPU 1400MHz stepping 04
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
checking if image is initramfs...it isn't (bad gzip magic numbers); looks like an initrd
Freeing initrd memory: 4568k freed
NET: Registered protocol family 16
PCI: PCI BIOS revision 2.10 entry at 0xfcaee, last bus=1
PCI: Using configuration type 1
mtrr: v2.0 (20020519)
ACPI: Subsystem revision 20041105
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: ACPI disable
PnPBIOS: Scanning system for PnP BIOS support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00fe2d0
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xe2f4, dseg 0x40
PnPBIOS: 15 nodes reported by PnP BIOS; 15 recorded by driver
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
PCI: Using IRQ router PIIX/ICH [8086/7110] at 0000:00:07.0
pnp: 00:00: ioport range 0x800-0x83f has been reserved
pnp: 00:00: ioport range 0x850-0x85f has been reserved
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x0
Initializing Cryptographic API
Limiting direct PCI/PCI transfers.
isapnp: Scanning for PnP cards...
isapnp: Card 'CS4236B'
isapnp: 1 Plug & Play card detected total
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
Serial: 8250/16550 driver $Revision: 1.90 $ 48 ports, IRQ sharing enabled
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
input: AT Translated Set 2 keyboard on isa0060/serio0
NET: Registered protocol family 2
IP: routing cache hash table of 8192 buckets, 64Kbytes
TCP: Hash tables configured (established 262144 bind 65536)
NET: Registered protocol family 8
NET: Registered protocol family 20
RAMDISK: cramfs filesystem found at block 0
RAMDISK: Loading 4568KiB [1 disk] into ram disk... |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/ -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\ |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/ -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\ |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/ -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\ |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/ -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\ |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/ -\|/-\|/-\|/-\|/done.
VFS: Mounted root (cramfs filesystem) readonly.
Freeing unused kernel memory: 172k freed
vesafb: framebuffer at 0xfd000000, mapped to 0xf0880000, using 2812k, total 8192k
vesafb: mode is 800x600x24, linelength=2400, pages=4
vesafb: protected mode interface info at c000:4ac6
vesafb: scrolling: redraw
vesafb: Truecolor: size=0:8:8:8, shift=0:16:8:0
fb0: VESA VGA frame buffer device
Console: switching to colour frame buffer device 100x37
NET: Registered protocol family 1
SCSI subsystem initialized
libata version 1.10 loaded.
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller at PCI slot 0000:00:07.1
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
Probing IDE interface ide0...
hda: ST310215A, ATA DISK drive
hdb: ST320413A, ATA DISK drive
elevator: using anticipatory as default io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 128KiB
hda: 19541088 sectors (10005 MB) w/2048KiB Cache, CHS=19386/16/63, UDMA(33)
hda: cache flushes not supported
/dev/ide/host0/bus0/target0/lun0: p1
hdb: max request size: 128KiB
hdb: Host Protected Area detected.
current capacity is 39102336 sectors (20020 MB)
native capacity is 39102337 sectors (20020 MB)
hdb: Host Protected Area disabled.
hdb: 39102337 sectors (20020 MB) w/1024KiB Cache, CHS=38792/16/63, UDMA(33)
hdb: cache flushes not supported
/dev/ide/host0/bus0/target1/lun0: p1
Probing IDE interface ide1...
hdc: IBM-DPTA-371360, ATA DISK drive
hdd: CD-RW 32X10X40, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hdc: max request size: 128KiB
hdc: 26712000 sectors (13676 MB) w/1961KiB Cache, CHS=26500/16/63, UDMA(33)
hdc: cache flushes not supported
/dev/ide/host0/bus1/target0/lun0: p1 p2
Probing IDE interface ide2...
Probing IDE interface ide3...
Probing IDE interface ide4...
Probing IDE interface ide5...
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
Adding 781160k swap on /dev/hdc1. Priority:-1 extents:1
EXT3 FS on hda1, internal journal
hdd: ATAPI 40X CD-ROM CD-R/RW drive, 8192kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
Capability LSM initialized
kjournald starting. Commit interval 5 seconds
EXT3 FS on hdb1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on hdc2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
Linux agpgart interface v0.100 (c) Dave Jones
PCI: Found IRQ 10 for device 0000:00:0e.0
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
0000:00:0e.0: 3Com PCI 3c905C Tornado at 0xdc00. Vers LK1.1.19
usbcore: registered new driver usbfs
usbcore: registered new driver hub
USB Universal Host Controller Interface driver v2.2
PCI: Found IRQ 11 for device 0000:00:07.2
uhci_hcd 0000:00:07.2: Intel Corp. 82371AB/EB/MB PIIX4 USB
uhci_hcd 0000:00:07.2: irq 11, io base 0xdce0
uhci_hcd 0000:00:07.2: new USB bus registered, assigned bus number 1
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
usb 1-1: new full speed USB device using uhci_hcd and address 2
usb 1-2: new full speed USB device using uhci_hcd and address 3
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
usbcore: registered new driver usb-storage
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
USB Mass Storage support registered.
agpgart: Detected an Intel 440BX Chipset.
agpgart: Maximum main memory to use for agp memory: 690M
agpgart: AGP aperture is 64M @ 0xf4000000
cpci_hotplug: CompactPCI Hot Plug Core version: 0.2
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
pciehp: acpi_pciehprm:get_device PCI ROOT HID fail=0x1001
shpchp: acpi_shpchprm:get_device PCI ROOT HID fail=0x1001
Vendor: IOMEGA Model: ZIP 100 Rev: 11.V
Type: Direct-Access ANSI SCSI revision: 00
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
usb-storage: device scan complete
piix4_smbus 0000:00:07.3: Found 0000:00:07.3 device
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378 (0x778), irq 7, using FIFO [PCSPP,TRISTATE,COMPAT,EPP,ECP]
inserting floppy driver for 2.6.10-1-686
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
input: PS/2 Logitech Mouse on isa0060/serio1
input: PC Speaker
Real Time Clock Driver v1.12
mice: PS/2 mouse device common for all mice
ts: Compaq touchscreen protocol output
ad1848/cs4248 codec driver Copyright (C) by Hannu Savolainen 1993-1996
pnp: Device 01:01.00 activated.
ad1848: PnP reports 'CS4236B' at i/o 0x534, irq 5, dma 1, 3
cs4232: set synthio and synthirq to use the wavefront facilities.
cs4232: probe of 01:01.00 failed with error -16
cs4232: Must set io, irq and dma.
pnp: Device 01:01.01 activated.
gameport: NS558 PnP at pnp01:01.01 io 0x3a0 size 8 speed 755 kHz
NET: Registered protocol family 17
NET: Registered protocol family 10
Disabled Privacy Extensions on device c032abe0(lo)
IPv6 over IPv4 tunneling driver
eth0: no IPv6 routers present

Things seem to have gotten detected and at least partially configured. Not
sure why cs4232 is in there: as mentioned, my sound chip is cs4236. I
didn't cause any module by that name to load. Thus, I can't very well
stipulate any io, irq or dma for it. If it refers to settings for the
cs4236 chip, those are io=0x534 irq=5 and dma=1, 3--as the output a little
further up shows. Man, this stuff is recondite.


> What do you mean that you couldn't assign that adress ? The fact that the
> card didn't worked usually means that IO + IRQ + DMA probing for the card was
> unsuccessfull and/or the driver initialization failed.

Like I said in my earlier posts on the other soundcard, when I would
specified io for the module in /etc/modules, the module would still not be
associated with that io after boot when I would check cat /proc/ioports
output. I tired it several times. The irq (the Soundman irq, anyway) would
be associated with the module, but not the io. And the card *did*
work--sort of. It would output sound, but the sound was crackly and when
other processes started on the computer, the sound would pause. So,
something was wrong. What, I don't know, and I'm not trying to pursue it
any further now anyway. Just was noting something associated when trying
to load modules for what I thought would be a surefire solution.

James
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Re: help on dmesg output

On Mon, 11 Apr 2005, James Miller wrote:

> On Mon, 11 Apr 2005 caszonyi@rdslink.ro wrote:
>
>> On Mon, 11 Apr 2005, James Miller wrote:
>>
>>> input: PC Speaker
>>> Real Time Clock Driver v1.12
>>> ad1848/cs4248 codec driver Copyright (C) by Hannu Savolainen 1993-1996
>>> ad1848: No ISAPnP cards found, trying standard ones...
>>> cs4232: set synthio and synthirq to use the wavefront facilities.
>>> cs4232: Must set io, irq and dma.
>>

I think the driver cannot automatically detect your io, irq and dma
settings

> I think these problems might have been related to the module loading twice.
> Apparently the kernel does some sort of detection and loads the module, and
> there was no need for me to enter it in /etc/modules. At least the problem
> output I posted previously goes away when I remove the snd-cs4236 line from
> /etc/modules.
>

they seem to be related to the fact that you load a lot of modules for the
same thing (in this case your sound card)

> ad1848/cs4248 codec driver Copyright (C) by Hannu Savolainen 1993-1996
> pnp: Device 01:01.00 activated.
> ad1848: PnP reports 'CS4236B' at i/o 0x534, irq 5, dma 1, 3
> cs4232: set synthio and synthirq to use the wavefront facilities.
> cs4232: probe of 01:01.00 failed with error -16
> cs4232: Must set io, irq and dma.
> pnp: Device 01:01.01 activated.
> gameport: NS558 PnP at pnp01:01.01 io 0x3a0 size 8 speed 755 kHz
> NET: Registered protocol family 17
> NET: Registered protocol family 10
> Disabled Privacy Extensions on device c032abe0(lo)
> IPv6 over IPv4 tunneling driver
> eth0: no IPv6 routers present
>
> Things seem to have gotten detected and at least partially configured. Not
> sure why cs4232 is in there: as mentioned, my sound chip is cs4236. I didn't
> cause any module by that name to load. Thus, I can't very well stipulate any
> io, irq or dma for it. If it refers to settings for the cs4236 chip, those
> are io=0x534 irq=5 and dma=1, 3--as the output a little further up shows.
> Man, this stuff is recondite.
>

cs4232 is in there because the cs4232 module is also the driver for cs4236
AFAIK (i have a CS4239 chip)

>
>> What do you mean that you couldn't assign that adress ? The fact that the
>> card didn't worked usually means that IO + IRQ + DMA probing for the card
>> was unsuccessfull and/or the driver initialization failed.
>
> Like I said in my earlier posts on the other soundcard, when I would
> specified io for the module in /etc/modules, the module would still not be
> associated with that io after boot when I would check cat /proc/ioports
> output. I tired it several times. The irq (the Soundman irq, anyway) would be
> associated with the module, but not the io. And the card *did* work--sort of.
> It would output sound, but the sound was crackly and when other processes
> started on the computer, the sound would pause. So, something was wrong.
> What, I don't know, and I'm not trying to pursue it any further now anyway.
> Just was noting something associated when trying to load modules for what I
> thought would be a surefire solution.
>

Could also be an error in your kernel because, normally in the 2.6 kernel,
the OSS and ALSA sound modules should not be used with the same kernel in
the same time.

I'm a slackware user and usually compile the kernel myself so what i
sugest to you is to compile the kernel yourself (if know how to do it)
and put the modules for your sound card in kernel without using modules
for sound to see if there's a difference. But taken into account that
debian is using an initrd to boot the system this could be quite a task.

Another solution is to comment out all the lines in /etc/modules.conf and
then uncomment only the necessary one for your kernel to work
(i.e. usb stuff, zip, vesa and sound). Also for this to work you must
make sure that nos script is loading the modules. Take care that mixing
ALSA sound modules with OSS sound modules is a bad idea

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Re: help on dmesg output

On Tue, 12 Apr 2005 caszonyi@rdslink.ro wrote:

> Another solution is to comment out all the lines in /etc/modules.conf and
> then uncomment only the necessary one for your kernel to work
> (i.e. usb stuff, zip, vesa and sound). Also for this to work you must make
> sure that nos script is loading the modules. Take care that mixing ALSA sound
> modules with OSS sound modules is a bad idea

Here is the content of my /etc/modules file:

# /etc/modules: kernel modules to load at boot time.
#
# This file should contain the names of kernel modules that are
# to be loaded at boot time, one per line. Comments begin with
# a "#", and everything on the line after them are ignored.
# pas2 io=220 irq=7 dma=1
# sb io=0x230 irq=5 dma=1 mpu_io=0x330
# pas2 io=0x388 irq=5 dma=5 sb_io=0x220 sb_irq=3 sb_dma=1
# opl3 io=0x388
# snd-sb16 port=0x220 irq=5 dma8=1 dma16=5

ide-cd
ide-detect
sd_mod
# snd-cs4236

I'm not sure where else modules might be stipulated in Debian, but my
understanding is that user-specified ones go in this file. The file, as
you can see, consists mainly of commented-out attempts at loading various
sound modules. Those are failed experiments that will be deleted soon. So,
only 3 modules are getting loaded from there, and none of them have to do
with sound, so far as I can see. So, I'm not loading any sound modules
through any means I know of. The system was likely pre-configured to load
whatever other modules are loading: it's pretty close to a stock Debian
unstable install. Doesn't really resolve anything other than demonstrating
that the conflicting modules problem--if that's what's
interfering--doesn't seem to result from anything I did.

James
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kernel recompile quests; was Re: help on dmesg output

On Tue, 12 Apr 2005 caszonyi@rdslink.ro wrote:

> I'm a slackware user and usually compile the kernel myself so what i sugest
> to you is to compile the kernel yourself (if know how to do it) and put the
> modules for your sound card in kernel without using modules
> for sound to see if there's a difference. But taken into account that
> debian is using an initrd to boot the system this could be quite a task.

There are directions for doing this that cover generating an initrd.
Though I'd like to avoid compiling my own kernel, I have no doubt I could
do it, given enough time and ready availablility of necessary information
and help. I have done it at least once previously. On that note:

Modules often require "helper modules" or have other modules associated
with them. I assume such modules need to be incorporated into the kernel
one compiles as well, or at least made available as modules (make modules,
make modules-install as I'm recalling). How does one determine exactly
which modules are going to be needed for which other modules? Is it
strictly trial and error?

On the initrd: I understand this is optional. But I don't very clearly
understand why Debian boots this way. What are the pros and cons of
using/not using an initrd? Is it absolutely necessary in some cases? If
one is currently using an initrd, how can one configure their system
(assuming a kernel recompile) to boot without one? Is it unwise to depart
from the "canonical" Debian practice (given that this is a Debian install)
in the case of an initrd?

James
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Re: kernel recompile quests; was Re: help on dmesg output

On Tue, 12 Apr 2005, James Miller wrote:

> On Tue, 12 Apr 2005 caszonyi@rdslink.ro wrote:
>
>
> Modules often require "helper modules" or have other modules associated with
> them. I assume such modules need to be incorporated into the kernel one
> compiles as well, or at least made available as modules (make modules, make
> modules-install as I'm recalling). How does one determine exactly which
> modules are going to be needed for which other modules? Is it strictly trial
> and error?
>

Usually there is a file called modules.dep in /lib/modules/ version>/modules.dep which lists the dependencies between modules

> On the initrd: I understand this is optional. But I don't very clearly
> understand why Debian boots this way. What are the pros and cons of using/not
> using an initrd? Is it absolutely necessary in some cases? If one is
> currently using an initrd, how can one configure their system (assuming a
> kernel recompile) to boot without one? Is it unwise to depart from the
> "canonical" Debian practice (given that this is a Debian install) in the case
> of an initrd?
>

The pros of initrd are that you build a lot of modules with a very generic
kernel and you can use your bootdisk + initrd for a vast number of
machines.

About how unwise or wise is to use or not use an initrd i cannot give any
advice ;-)


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