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Sad system hang upon pcmcia subsystem start 

Forum: PCMCIA driver development
Date: 2000, May 31
From: Tonko de Rooy tderooy


I have a IBM ThinkPad 770X with a TI1251A.
I have been using this machine with varies Redhat Linux versions (6.0-6.2) and have always compiled my own kernels and hence PCMCIA packages.

Now since I upgraded to RedHat 6.2 and then compiled my own kernel (2.2.14, 2.2.15 or 2.2.16pre6) and compile the PCMCIA package (3.1.14 or 3.1.15) and load the pcmcia subsystem the system effectively hangs. I can still when I'm in textmode switch consoles and try to login but it looks like that any atempt to access the harddisk hangs.

I compile the PCMCIA package with isa pnp and cardbus support, as I have a 10/100Mb cardbus card. This always used to work in the past without problems.

With RH 6.2 the only way for me to have PCMCIA working at current is to use the standard pre-compiled kernel and pcmcia package that comes with redhat. And that is giving me a lot of problems as the default APM options are wrong for this machine.

The PCMCIA version (3.1.8) that RedHat supplies with 6.2 prints the following:

Linux PCMCIA Card Services 3.1.8
  kernel build: 2.2.14-12 #1 Tue Apr 25 13:04:07 EDT 2000
  options: [pci] [cardbus] [apm]
Intel PCIC probe:
  TI 1251A PCI-to-CardBus at bus 0 slot 2, mem 0x50103000, 2 sockets
  host opts [0]: [ring] [pwr save] [isa irq] [no pci irq] [lat 168/176] [bus 2/4]
  host opts [1]: [ring] [pwr save] [isa irq] [no pci irq] [lat 168/176] [bus 5/7]
  ISA irqs (scanned) = 3,4,7,9,10 polling interval = 1000 ms
cs: IO port probe 0x1000-0x17ff: excluding 0x15e8-0x15ef
cs: IO port probe 0x0100-0x04ff: excluding 0x220-0x22f 0x4d0-0x4d7
cs: IO port probe 0x0a00-0x0aff: clean.

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None Re: Sad: system hang upon pcmcia subsystem start

Re: Sad system hang upon pcmcia subsystem start (Tonko de Rooy)
Date: 2000, May 31
From: David Hinds <>

A quick fix might be to just build the 3.1.8 PCMCIA driver release for
your new kernel.

The interrupt configuration code in post-3.1.8 packages is somewhat
different and is the most likely issue.  I assume that you are getting
hangs whether or not your CardBus card is inserted; you should check
that.  I'm surprised that you're having trouble, though, because the
Thinkpads tend to be well behaved (and I do my development mostly on a
770 series).

There are some suggestions for debugging startup problems in the
PCMCIA-HOWTO.  I'd probably start by trying to load the pcmcia_core
and i82365 modules by hand, with kernel messages sent to the console,
to see exactly where the lockup happens.

Then I'd try setting:


in /etc/sysconfig/pcmcia.

-- Dave
1. Question it now works by Tonko de Rooy, 2000, Jun 04
system hang upon pcmcia subsystem start

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