From: "Kai OM" <epimetreus@fastmail.fm>
To: James Bottomley <James.Bottomley@SteelEye.com>, willy@debian.org
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] fix for Domain Validation hang on some devices with sym_2driver
Date: Fri, 20 Aug 2004 10:55:34 -0400 [thread overview]
Message-ID: <1093013734.24711.202728757@webmail.messagingengine.com> (raw)
In-Reply-To: <1092970559.1728.2520.camel@mulgrave>
On 19 Aug 2004 22:55:57 -0400, "James Bottomley"
<James.Bottomley@SteelEye.com> said:
> There's a bad hang where the driver locks the system solid trying to do
> domain validation with certain devices. The one I've managed to
> reproduce it with is a Quantum Atlas.
>
> What happens is that setting the offset to zero is an async negotiation
> message. However, the driver still seems to have DT set (which is
> illegal). Most devices just reject this as stupid, but the Quantum
> seems to try to obey it and hangs the bus.
>
> The simple fix is to reset all PPR options when the offset is set to
> zero.
As they said in the '90s, "you da' man."
It works perfectly, so far as I can tell.
So, um, what I want to know is... why did the issue appear to go away
for some people if they switched controllers?
I don't know a terrible lot about SCSI devices, so maybe someone here
could tell me if there's a reason that would happen, or is this to be
expected?
next prev parent reply other threads:[~2004-08-20 14:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-20 2:55 [PATCH] fix for Domain Validation hang on some devices with sym_2 driver James Bottomley
2004-08-20 14:55 ` Kai OM [this message]
2004-08-20 16:34 ` [PATCH] fix for Domain Validation hang on some devices with sym_2driver Matthew Wilcox
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