From: Jeff Garzik <jgarzik@pobox.com>
To: chaoyang wang <chaoyang.wang@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: achi.c bug ?
Date: Mon, 25 Feb 2008 17:55:35 -0500 [thread overview]
Message-ID: <47C34767.8090501@pobox.com> (raw)
In-Reply-To: <1ada88ce0802160007s632126eiccf1031616c4e53c@mail.gmail.com>
chaoyang wang wrote:
> Dear Jeff,
>
> I was looking at the kernel 2.6.21 code of the achi driver and found
> that the sg_table_size was set to 168, while the libata set the maximum
> sg to be 128 somewhere else. When a requester issues a request with >128
> sgs to the ahci attached device, the system would fall to a scilent
> error. So, I could not count on the scsi probe
> of scsi_device->->host->sg_tablesize that was read from achi.
>
> Any advise on the better fix?
>
> Thanks you very much,
Can you be more specific about "somewhere else"?
Reducing s/g table size should be quite safe.
Jeff
parent reply other threads:[~2008-02-25 22:55 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1ada88ce0802160007s632126eiccf1031616c4e53c@mail.gmail.com>]
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