* Re: achi.c bug ?
[not found] <1ada88ce0802160007s632126eiccf1031616c4e53c@mail.gmail.com>
@ 2008-02-25 22:55 ` Jeff Garzik
0 siblings, 0 replies; only message in thread
From: Jeff Garzik @ 2008-02-25 22:55 UTC (permalink / raw)
To: chaoyang wang; +Cc: linux-ide
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
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[not found] <1ada88ce0802160007s632126eiccf1031616c4e53c@mail.gmail.com>
2008-02-25 22:55 ` achi.c bug ? Jeff Garzik
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