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Forum: PCMCIA SCSI Host Adapter Issues
Re: Question Bus Toaster Freezes my box. (Francisco Escarpa)
Re: None More information would be helpful (David Hinds)
Re: None More information ... (Francisco Escarpa)
Date: 1999, Dec 15
From: David Hinds <dhinds@pcmcia.sourceforge.org>

The extra debugging information is not helpful in this case.

I'd re-build with debugging disabled.  Then follow the instructions in
the HOWTO, for debugging a system lockup: the last kernel messages are
probably lost because the lockup happens before they can be written to
disk.  Redirect them to the console, and you'll probably see something
more useful.

My guess is that you're experiencing an IO port conflict.  If you can
squeeze out a couple more messages, they'll tell you what IO resources
the card is trying to use.

-- Dave

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More A couple more messages :-).

Re: None These are not the messages you're looking for (David Hinds)
Date: 1999, Dec 20
From: Francisco Escarpa PacoEscarpa

Using the tips at PCMCIA HOWTO ( console 8 and so .. ), I get the following:

cs:memory probe 0xa0000000 - 0xa0ffffff clean SYM53C500: invalid IRQ3 specified SCSI0: SYM53C500 at 0x130, IRQ 0 , fast PIO mode SCSI: 1 host

Here, usually the computer hungs for 3-4 seconds and reboots.

The IRQ is free ( IRQ 5 has the same behaviour; they are used troubleless for other PC cards ).

Sometimes ( usualy the first/second try ), I get the following:

Dec 16 21:25:05 dione kernel: SYM53C500: Warning: PIO error!
Dec 16 21:25:05 dione kernel: SYM53C500: Warning: PIO error!
Dec 16 21:25:05 dione kernel: scsi0 channel 0 : resetting for second half of retries.
Dec 16 21:25:05 dione kernel: SCSI bus is being reset for host 0 channel 0.
Dec 16 21:25:05 dione kernel: scsi : aborting command due to timeout : pid 0, scsi0, channel 0, id 0, lun 0 0x03 00 00 00 10 00 
... ... ( for each pid up to 6 ) ...
Dec 16 22:00:06 dione kernel: scsi : 0 hosts.
Dec 16 22:00:06 dione cardmgr[88]: shutting down socket 1
Dec 16 22:00:06 dione cardmgr[88]: executing: './scsi stop n/a'
Dec 16 22:00:07 dione cardmgr[88]: + open() failed: No such file or directory
Dec 16 22:00:07 dione cardmgr[88]: + /dev/n/a: No such file or directory
Dec 16 22:00:07 dione cardmgr[88]: stop cmd exited with status 1
Dec 16 22:00:07 dione cardmgr[88]: executing: 'rmmod sym53c500_cs'
Dec 16 22:00:07 dione cardmgr[88]: executing: 'rmmod sg'

If I activate de debugging option in the SYM53C500, I get a cascade of ( until now ) unreadable messages, and the screen border changes to blue ( is a debugging feature).

Thanks again, and again :-)

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