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Question conflict between sound chip and 3c575cb ethernet card since 3.1.16 

Forum: 3Com PCMCIA Ethernet Adapter Issues
Date: 2000, Jul 18
From: Jerome Limozin jlimozin

I have a conflict between my sound card and the 3com ethernet
card 3c575cb since release 3.1.16 (3.1.17 and .18 also 
affected). 3.1.15 works fine.

Symptoms : while playing a mp3, if I witch between windows 
(under X) or have a window repainted, the sound becomes very 
sluggish. same if I switch between virtual consoles.
if I remove the ethernet card, situation is back to normal.

I also have a SCSI cardbus card, which is not showing this 
problem apparently.

I tried to change all settings with the sound card (ports, IRQ...) but with no luck. 
Excluding explicitely the ports, irq and dma used by the sound card in pcmcia config didn't help either.

pc: hp omnibook 4100
linux 2.2.16

sound card : crystal sound CS4232
CS4232 MIDI at 0x220 irq 9
CS4232 at 0x530 irq 5 drq 1,3
OPL-2/OPL-3 FM at 0x388

pcmcia start log :
Jul 18 19:26:54 localhost pcmcia: Starting PCMCIA services:
Jul 18 19:26:54 localhost pcmcia:  modules
Jul 18 19:26:54 localhost kernel: Linux PCMCIA Card Services 3.1.16
Jul 18 19:26:54 localhost kernel:   kernel build: 2.2.16 #1 Thu Jul 6 06:24:37 JST 2000
Jul 18 19:26:54 localhost kernel:   options:  [pci] [cardbus] [apm] [pnp]
Jul 18 19:26:54 localhost kernel: PCI routing table version 1.0 at 0xfdf70
Jul 18 19:26:54 localhost kernel:   00:04.0 -> irq 10
Jul 18 19:26:54 localhost kernel:   00:04.1 -> irq 10
Jul 18 19:26:54 localhost kernel: PnP: PNP BIOS installation structure at 0xc00f6040
Jul 18 19:26:54 localhost kernel: PnP: PNP BIOS version 1.0, entry at f0000:a8a6, dseg at
400
Jul 18 19:26:54 localhost kernel: Intel PCIC probe:
Jul 18 19:26:54 localhost kernel:   TI 1250A rev 02 PCI-to-CardBus at slot 00:04, mem 0x68
000000
Jul 18 19:26:54 localhost kernel:     host opts [0]: [serial pci & irq] [pci irq 10] [lat
64/32] [bus 32/34]
Jul 18 19:26:54 localhost kernel:     host opts [1]: [serial pci & irq] [pci irq 10] [lat
64/32] [bus 35/37]
Jul 18 19:26:54 localhost kernel:     ISA irqs (scanned) = 3,9,11 PCI status changes
Jul 18 19:26:54 localhost pcmcia:  cardmgr.
Jul 18 19:26:54 localhost rc: Starting pcmcia succeeded
Jul 18 19:26:54 localhost cardmgr[320]: starting, version is 3.1.16
Jul 18 19:26:55 localhost kernel: cs: cb_alloc(bus 35): vendor 0x10b7, device 0x5157
Jul 18 19:26:55 localhost inet: inetd startup succeeded
Jul 18 19:26:55 localhost cardmgr[320]: watching 2 sockets
Jul 18 19:26:55 localhost kernel: cs: IO port probe 0x0c00-0x0cff: clean.
Jul 18 19:26:55 localhost kernel: cs: IO port probe 0x0800-0x08ff: clean.
Jul 18 19:26:55 localhost kernel: cs: IO port probe 0x0100-0x04ff: clean.
Jul 18 19:26:55 localhost kernel: cs: IO port probe 0x0a00-0x0aff: clean.
Jul 18 19:26:55 localhost cardmgr[320]: initializing socket 1
Jul 18 19:26:55 localhost cardmgr[320]: socket 1: 3Com 3CCFE575B/3CXFE575B Fast EtherLink XL
Jul 18 19:26:56 localhost cardmgr[320]: executing: 'modprobe cb_enabler'
Jul 18 19:26:56 localhost cardmgr[320]: executing: 'modprobe 3c575_cb'
Jul 18 19:26:56 localhost kernel: 3c59x.c:v0.99Q 5/16/2000 Donald Becker, becker@scyld.com
Jul 18 19:26:56 localhost kernel:   http://www.scyld.com/network/vortex.html
Jul 18 19:26:56 localhost kernel: cs: cb_config(bus 35)                                                       
Jul 18 19:26:56 localhost kernel:   fn 0 bar 1: io 0x280-0x2ff
Jul 18 19:26:56 localhost kernel:   fn 0 bar 2: mem 0x60021000-0x6002107f
Jul 18 19:26:56 localhost kernel:   fn 0 bar 3: mem 0x60020000-0x6002007f
Jul 18 19:26:56 localhost kernel:   fn 0 rom: mem 0x60000000-0x6001ffff
Jul 18 19:26:56 localhost kernel:   irq 3
Jul 18 19:26:56 localhost kernel: cs: cb_enable(bus 35)
Jul 18 19:26:56 localhost kernel:   bridge io map 0 (flags 0x21): 0x280-0x2ff
Jul 18 19:26:56 localhost kernel:   bridge mem map 0 (flags 0x1): 0x60000000-0x60021fff
Jul 18 19:26:56 localhost kernel: vortex_attach(device 23:00.0)
Jul 18 19:26:57 localhost kernel: eth0: 3Com 3CCFE575BT Cyclone CardBus at 0x280,  00:00:86:17:ac:4f, IRQ 3
Jul 18 19:26:57 localhost kernel:   product code 'NV' rev 07 date 03-10-98
Jul 18 19:26:57 localhost kernel: eth0: CardBus functions mapped 60020000->ca24a000.
Jul 18 19:26:57 localhost kernel:   8K byte-wide RAM 5:3 Rx:Tx split, MII interface.
Jul 18 19:26:57 localhost kernel:   MII transceiver found at address 0, status 7809.
Jul 18 19:26:57 localhost kernel:   Enabling bus-master transmits and whole-frame receives.
Jul 18 19:26:56 localhost cardmgr[320]: executing: './network start eth0'               


Any idea?                      

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1. None Something is fishy here by David Hinds, 2000, Jul 19
2. More A workaround is in the current beta by David Hinds, 2000, Aug 24

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