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None Re: Sad: system hang upon pcmcia subsystem start 

Forum: PCMCIA driver development
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

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Question it now works

Re: None Re: Sad: system hang upon pcmcia subsystem start (David Hinds)
Date: 2000, Jun 04
From: Tonko de Rooy tderooy


For some strange reason it now works. I recompiled the 2.2.16pre6 kernel and pcmcia 3.1.15 and it all loads and works again perfectly.

here is what gets printed now to syslog:

Linux PCMCIA Card Services 3.1.15
  kernel build: 2.2.16pre6 #1 Wed May 31 11:33:44 BST 2000
  options:  [pci] [cardbus] [apm] [pnp]
PCI routing table version 1.0 at 0xf9f80
PnP: PNP BIOS installation structure at 0xc00fe700
PnP: PNP BIOS version 1.0, entry at f0000:e724, dseg at f0000
Intel PCIC probe: 
  TI 1251A rev 00 PCI-to-CardBus at slot 00:02, mem 0x50103000
    host opts [0]: [ring] [isa irq] [pci irq 11] [lat 168/176] [bus 2/4]
    host opts [1]: [ring] [isa irq] [pci irq 11] [lat 168/176] [bus 5/7]
    ISA irqs (scanned) = 3,4,9,10 PCI status changes
cs: IO port probe 0x1000-0x17ff: clean.
cs: IO port probe 0x0100-0x04ff: clean.
cs: IO port probe 0x0a00-0x0aff: clean.
cs: memory probe 0xa0000000-0xa0ffffff: excluding 0xa0000000-0xa0ffffff
cs: memory probe 0x60000000-0x60ffffff: clean.

The only thing left is that I get a error when running depmod on epic_cb. Here is what depmod -ae tells me:

depmod: *** Unresolved symbols in /lib/modules/2.2.16pre6/pcmcia/epic_cb.o
depmod:         epic100_probe
But this is a longer standing problem. I always have this problem when I compile my own kernel and modules. And as I have no idea what epic_cb is, I probably don't need it and don't need to worry to much about the error.
Re: Sad: system hang upon pcmcia subsystem start

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