Re: smc-ircc freeze kernel

Alessandro Suardi (alessandro.suardi@oracle.com)
Sat, 31 Aug 2002 22:07:51 +0200


Michal Semler wrote:
> Hello,
>
> I use 2.4.19 kernel with notebook Dell Latitude CPx J650
>
> I modprobe these modules:
> irlan 19252 0 (unused)
> smc-ircc 6720 1
> irport 4856 0 [smc-ircc]
> irda 81744 1 [irlan smc-ircc irport]
>
> kernel tells me:
> found SMC SuperIO Chip (devid=0x09 rev=08 base=0x03f0): FDC37N958FR
> SMC IrDA Controller found
> IrCC version 1.1, firport 0x290, sirport 0x3e8 dma=3, irq=0
> IrDA: Registered device irda0
>
> ifconfig tells me:
> irda0 Link encap:IrLAP HWaddr 00:00:00:00
> UP RUNNING NOARP MTU:2048 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:8
> RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
> Base address:0x3e8
>
> then when I simply tells:
> ifconfig irda0 192.168.1.1 netmask 255.255.255.0
> my kernel freeze after 3 seconds and only numlock and scrolllock blinks
>
> I dont have any other computer on other side at the moment I write ifconfig.

Works fine here on 2.4.20-pre5, gcc-3.2, Dell CPx750J with the
same IR chipset you have.

[root@dolphin root]# cat /proc/version
Linux version 2.4.20-pre5 (asuardi@dolphin) (gcc version 3.2) #1 Fri Aug
30 01:11:42 CEST 2002

[root@dolphin root]# ifconfig irda0
irda0 Link encap:IrLAP HWaddr 5b:21:2a:64
inet addr:192.168.1.1 Mask:255.255.255.0
UP RUNNING NOARP MTU:2048 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:5056 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:8
RX bytes:0 (0.0 b) TX bytes:158118 (154.4 Kb)
Interrupt:4 Base address:0x3e8

[root@dolphin root]# findchip -v
Found SMC FDC37N958FR Controller at 0x3f0, DevID=0x01, Rev. 1
SIR Base 0x3e8, FIR Base 0x290
IRQ = 4, DMA = 3
Enabled: yes, Suspended: no
UART compatible: yes
Half duplex delay = 3 us

[root@dolphin root]# lsmod | grep ir
smc-ircc 7584 1
irport 5368 1 [smc-ircc]
ircomm 8712 0 (unused)
irlan 23028 1
irda 93520 1 [smc-ircc irport ircomm irlan]

Ciao,

--alessandro

"everything dies, baby that's a fact
but maybe everything that dies someday comes back"
(Bruce Springsteen, "Atlantic City")

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