From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Uh oh, disk problems.
Date: Thu, 12 Apr 2001 14:15:12 -0400 [thread overview]
Message-ID: <20010412181514.75CC319A19@mail.cse.psu.edu> (raw)
On Thu Apr 12 14:07:22 EDT 2001, cross@math.psu.edu wrote:
> Cool. btw- the Inil seems to be printed in response to a call to
> atanop() which is called after ataready() times out in
> atastartgenio(). Why the Inil message is printed out is sort of
> unclear to me. My suspicion is atatstartgenio() is attempting to abort
> an operation, which has ceased to exist. I suppose a simple way to get
> rid of the message would be to add a state flag to the data structure
> which describes the controller state that says, ``I'm aborting an
> operation....'' and the test for that in atainterrupt(), but I'm very
> unfamiliar with the issue, so I doubt that would be correct. ;-)
I'd have to familiarise myself with the driver again but I think the NOP
is issued and it doesn't wait for the interrupt for that command. So, it's
possible that the interrupt for the NOP appears after the Ctlr state is
all tidied up after aborting. That's why more of this stuff needs to be
interrupt driven.
--jim
next reply other threads:[~2001-04-12 18:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-12 18:15 jmk [this message]
2001-04-12 18:56 ` Dan Cross
-- strict thread matches above, loose matches on Subject: below --
2001-04-12 13:04 jmk
2001-04-12 18:06 ` Dan Cross
2001-04-11 0:40 jmk
2001-04-11 2:00 ` Dan Cross
2001-04-11 2:57 ` Dan Cross
2001-04-11 3:13 ` Jim McKie
2001-04-12 6:06 ` Dan Cross
2001-04-11 0:33 Dan Cross
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