PCMCIA modem problems 2.3.99-pre6, 2.2.14 OK

From: Sid Boyce (szb50@amdahl.com)
Date: Tue May 02 2000 - 12:11:11 EST


    I have a Fuji 556-TX laptop, the modem is quite happy under 2.2.14,
but under 2.3.99-pre6, it doesn't work.

2.2.14 2.3.99-pre6

======= ======
# setserial /dev/ttyS2 0x3e8 irq 3
0x3e8 irq4
#lsdev 3c589_cs irq
10 irq 3
                       UART
16550A unknown

    I suspect it's an IRQ problem, I have "shared serial IRQ" set in the
kernel config..
If I power on with the Ethernet card unplugged, I still get "modem busy"
with kppp, no response from minicom.
    For 2.2.14 I am using pcmcia-cs-2.3.11 (think) and the kernel
pcmcia for 2.3.99-pre6.. Unplugging and plugging the cards again, I see
the ethernet card, always as IRQ 3, but the modem gives a double beep,
seemingly cardmgr cannot configure it, even when it's the only pcmcia
card inserted.

Device DMA IRQ I/O Ports
------------------------------------------------
(#2) 9
3c589_cs 3 0300-030f
acpi ff00-ff03 ff04-ff05 ff08-ff0b ff0c-ff0f
cascade 4 2
dma 0080-008f
dma1 0000-001f
dma2 00c0-00df
fpu 13 00f0-00ff
ide0 14 01f0-01f7 03f6-03f6 f8d0-f8d7
ide1 15 0170-0177 0376-0376 f8d8-f8df
Intel f8d0-f8df f8e0-f8ff ff00-ff3f ff80-ff9f
keyboard 1 0060-006f
Mouse 12
parport0 0378-037a 037b-037f
PCI 1000-10ff 1400-14ff
pic1 0020-003f
pic2 00a0-00bf
rtc 8 0070-007f
serial 03f8-03ff
timer 0 0040-005f
vga+ 03c0-03df

[szb50:/home/szb50]# cat /proc/ioports
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0300-030f : 3c589_cs
0376-0376 : ide1
0378-037a : parport0
037b-037f : parport0
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(auto)
1000-10ff : PCI CardBus #01
1400-14ff : PCI CardBus #03
f8d0-f8df : Intel Corporation 82371AB PIIX4 IDE
  f8d0-f8d7 : ide0
  f8d8-f8df : ide1
f8e0-f8ff : Intel Corporation 82371AB PIIX4 USB
ff00-ff3f : Intel Corporation 82371AB PIIX4 ACPI
  ff00-ff03 : acpi
  ff04-ff05 : acpi
  ff08-ff0b : acpi
  ff0c-ff0f : acpi
ff80-ff9f : Intel Corporation 82371AB PIIX4 ACPI

[szb50:/home/szb50]# cat /proc/interrupts
           CPU0
  0: 567500 XT-PIC timer
  1: 4784 XT-PIC keyboard
  2: 0 XT-PIC cascade
  3: 7460 XT-PIC 3c589_cs
  8: 1 XT-PIC rtc
  9: 0 XT-PIC acpi, Texas Instruments PCI1131, Texas Instruments PCI1131 (#2)
 12: 74401 XT-PIC PS/2 Mouse
 13: 1 XT-PIC fpu
 14: 11204 XT-PIC ide0
 15: 62360 XT-PIC ide1
NMI: 0
ERR: 0

    That's all from 2.3.99-pre6. I can supply any other pertinent information needed.

I've played around with IRQ's, setting ttyS2 to IRQ 3 with the ethernet card out.

Regards

--
... Sid Boyce...AMDAHL (Europe)...44-121 422 0375
Any opinions expressed above are mine and do not necessarily represent
 the opinions or policies of AMDAHL Corporatiom

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