From: Jeff Garzik <jgarzik@pobox.com>
To: linas@austin.ibm.com
Cc: linux-kernel@vger.kernel.org, linuxppc64-dev@lists.linuxppc.org
Subject: Re: [2.4 PATCH:] Lengthen SCSI timeouts to deal with broken hardware
Date: Tue, 30 Sep 2003 13:16:19 -0400 [thread overview]
Message-ID: <20030930171619.GA22314@gtf.org> (raw)
In-Reply-To: <20030930120944.A31772@forte.austin.ibm.com>
On Tue, Sep 30, 2003 at 12:09:44PM -0500, linas@austin.ibm.com wrote:
>
>
> --- drivers/scsi/scsi_obsolete.c.orig 2003-09-29 17:47:26.000000000 -0500
> +++ drivers/scsi/scsi_obsolete.c 2003-09-29 17:51:40.000000000 -0500
> @@ -118,10 +118,19 @@ static void scsi_dump_status(void);
> #define ABORT_TIMEOUT SCSI_TIMEOUT
> #define RESET_TIMEOUT SCSI_TIMEOUT
> #else
> +#if defined(__powerpc64__)
> +/* Some Achip ARC765-based DVD-ROM's can take 15 seconds or more to reset.
> + * All commands (sense, abort) will not get a response until the reset
> + * completes. Lengthen timeouts to make up for this. */
> +#define SENSE_TIMEOUT (20*HZ)
> +#define RESET_TIMEOUT (2*HZ)
> +#define ABORT_TIMEOUT (25*HZ)
This should be device-dependent, not platform-dependent.
Jeff
next prev parent reply other threads:[~2003-09-30 17:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-30 17:09 linas
2003-09-30 17:16 ` Jeff Garzik [this message]
2003-09-30 18:12 ` linas
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