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Subject: Re: Patch-2.5.45-ac1  inia100 compile and run problems
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: John W Fort <johnf@whitsunday.net.au>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: 05 Nov 2002 11:01:51 +0000
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On Tue, 2002-11-05 at 05:16, John W Fort wrote:
> Trivial bits from 2.5.45-ac1 compile:
> drivers/scsi/inia100.h:78: warning: `inia100_detect' declared `static' but never defined
> drivers/scsi/inia100.h:79: warning: `inia100_release' declared `static' but never defined
> drivers/scsi/inia100.h:80: warning: `inia100_queue' declared `static' but never defined
> drivers/scsi/inia100.h:81: warning: `inia100_abort' declared `static' but never defined
> drivers/scsi/inia100.h:82: warning: `inia100_device_reset' declared `static' but never defined
> drivers/scsi/inia100.h:83: warning: `inia100_bus_reset' declared `static' but never defined
> 

These should be little things because of the way the include is used

> Incorrect number of segments after building list
> counted 17, received 16
> req nr_sec 256, cur_nr_sec 8
> end request: I/O error, dev 08:10 sector 6685776
> 
> and then hangs the bus.
> Would it be because there is no 'eh_host_reset_handler'?

No thats because something much nastier has occurred - you've got some
kind of block/scsi layer structure corruption. Most probably there is a
path where we called ->done(cmd) without holding the host lock

> The first run both drives reported similar I/O errors.
> Works fine with 'patch-2.5.45' from Linus.
> How can I help?

I'll go and review the changes. It looks like a locking error.

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