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List:       linux-ide
Subject:    Re: [PATCH] libata SATAPI no data
From:       Pat LaVarre <p.lavarre () ieee ! org>
Date:       2004-05-30 15:24:03
Message-ID: 1085930643.4318.6.camel () patibmrh9
[Download RAW message or body]

> > Subject: Re: [PATCH] atapi request sense work
> > ...
> > in fact we have NOT yet explained
> > how to insert an ATA op x00 "NOP" ...
> > Instead, my kernel goes down  ...

Precisely as expected from our past work,

2.6.7-rc2, even with the not-substantive ata_check_bmdma rewording,
still can't cope with expecting no data for a CDB.  A CDB that actually
copies is ok only if I lie to say I expect data:

$ # "INQUIRY" for up to zero bytes
$ sudo plscsi -i 0x12 -x "12 00:00:00 00 00"
$

Honesty receives its expected penalty:

$ sudo plscsi -x "12 00:00:00 00 00"
$
Message from syslogd@patibmrh9 at Sun May 30 09:18:00 2004 ...
patibmrh9 kernel: Disabling IRQ #18

$

Pat LaVarre


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