I recently upgraded from Redhat 5.2 to 6.1 on a Sony N505VX
notebook. The PCMCIA modem, which worked fine under RH 5.2, now works
only if I manually set the irq of /dev/ttyS1 to 0. I've verified that
no other irq works by excluding different irq values in
/etc/pcmcia/config.opts. My pcmcia lan card works fine.
I am using pcmcia card services 3.1.8, which I recompiled using the
defaults after installing the new kernel. According to the system log,
cardmgr is correctly identifying the card as a modem and loading
the serial_cs module:
....
Feb 3 09:01:02 beatrice cardmgr[331]: initializing socket 0
Feb 3 09:01:02 beatrice kernel: cs: memory probe 0xa0000000-0xa0ffffff: clean.
Feb 3 09:01:02 beatrice cardmgr[331]: socket 0: Serial or Modem
Feb 3 09:01:02 beatrice cardmgr[331]: module /lib/modules/preferred/misc/serial.o not available
Feb 3 09:01:02 beatrice cardmgr[331]: executing: 'insmod /lib/modules/preferred/pcmcia/serial_cs.o'
Feb 3 09:01:02 beatrice kernel: tty01 at 0x13f8 (irq = 4) is a 16550A
Feb 3 09:01:02 beatrice cardmgr[331]: executing: './serial start ttyS1'
....
lsmod gives:
Module Size Used by
serial_cs 5168 0 (unused)
ds 6472 1 [serial_cs]
i82365 29536 1
pcmcia_core 43936 0 [serial_cs ds i82365]
opl3 11208 0 (unused)
sb 33620 0
uart401 5968 0 [sb]
sound 57240 0 [opl3 sb uart401]
soundlow 300 0 [sound]
soundcore 2372 6 [sb sound]
And setserial on /dev/modem gives:
/dev/modem, UART: 16550A, Port: 0x13f8, IRQ: 4
/proc/interrupts shows:
CPU0
0: 366286 XT-PIC timer
1: 4193 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 1 XT-PIC soundblaster
8: 1 XT-PIC rtc
12: 61070 XT-PIC PS/2 Mouse
13: 1 XT-PIC fpu
14: 131017 XT-PIC ide0
NMI: 0
Thanks for any help,
Bennett
blink@dante.physics.montana.edu
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