Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 24 Apr 2001 17:51:54 -0400 (EDT)
From:      Todd Cohen <cohentl@clarkson.edu>
To:        "Kenneth D. Merry" <ken@kdm.org>
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   Re: is this device bad?
Message-ID:  <Pine.GSO.4.10.10104241750510.19197-100000@isis.aoc.clarkson.edu>
In-Reply-To: <20010424150803.A1146@panzer.kdm.org>

next in thread | previous in thread | raw e-mail | index | archive | help
Yeah, it is da1.. sorry about that.. the other hd is this machine is a
loaner and it's not the greatest either :) I'll try a different timeout..
thanks.

-Todd

> 
> Isn't the drive you're trying to talk to da1?
> 
> The last message is the one that might pertain to da1, but I'm not sure
> what that means.  You'll have to ask Gerard what that means, and then we
> can perhaps figure out why the disk is timing out.
> 
> Another potential problem is the timeout length may be overflowing a 32-bit
> integer.
> 
> IIRC, HZ on the alpha is 1000.  The sym(4) driver uses the following to
> calculate the timeout:
> 
>         ccb->ccb_h.timeout_ch = timeout(sym_timeout, (caddr_t) ccb,
>                                        ccb->ccb_h.timeout*hz/1000);
> 
> So with a timeout of 10800 seconds, or 10,800,000 ms, multiplied by hz,
> which is likely 1000 on the alpha, you would overflow a 32-bit integer.
> 
> So try a timeout of 4200 seconds instead, and see if that works.  That's 70
> minutes, but it might be enough for the format to complete.
> 
> If not, we'll have to adjust the above calculation to use 64-bit math so it
> won't overflow.
> 
> Ken
> -- 
> Kenneth Merry
> ken@kdm.org
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-scsi" in the body of the message
> 

__________________________________________________________________________
ICMP: The protocol that goes PING!    I like angles, but only to a degree.
cthread. cthread_fork(). Fork, thread, fork!             Black holes suck.
http://wckn.clarkson.edu/~cohentl/          Real_men_don't_need_spacebars.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-scsi" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.GSO.4.10.10104241750510.19197-100000>