Subject: Re: kern/14015: ahc w/ 2940UW hangs with `adapter resource shortage'
To: None <>
From: Manuel Bouyer <>
List: netbsd-bugs
Date: 09/20/2001 21:16:48
On Wed, Sep 19, 2001 at 09:13:40PM -0700, wrote:
> >Description:
> 	Well, unfortunately I can't be terribly precise, since I was just using
> 	the system and suddenly all disk access appeared to hang and the console
> 	is now repeating:
> 	sd0(ahc0:0:0:0): adapter resource shortage
> 	and
> 	sd1(ahc0:0:1:0): adapter resource shortage

Does the kernel floods the console with this, or does it just print a few
message and then pause for a second ?

> 	I can provide the full kernel config if that would be of use to
> 	anyone.  The adapter is an Adaptec 2940UW, and it is being driven by
> 	the ahc driver.  I have `options AHC_TAGENABLE' if that makes any
> 	difference.

Is this reproductible ? There are 2 places in the driver which can cause
this, and I'd like to know which one triggered the message.

Manuel Bouyer <>