Re: [PATCH] blacklist NCQ on Seagate Barracuda ST380817AS

[Robert Hancock <hancockr@shaw.ca>]

Paolo Ornati wrote:
> Hi, I think you forgot to blacklist this one  :)
> 
> --
> Seagate Barracuda ST380817AS has troubles with NCQ. For example,
> unpacking a tarball on an XFS filesystem gives this:
> 
> ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x2 frozen
> ata1.00: cmd 61/40:00:29:a3:98/00:00:00:00:00/40 tag 0 cdb 0x0 data 32768 out
>          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
> 
> More info here:
> http://lkml.org/lkml/2007/1/21/76
>     
> Blacklist it!
>     
> Signed-off-by: Paolo Ornati <ornati@fastwebnet.it>
> 
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index 772be09..be289d0 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -3781,6 +3781,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
>  	{ "Maxtor 7B250S0",	"BANC1B70",	ATA_HORKAGE_NONCQ, },
>  	{ "Maxtor 7B300S0",	"BANC1B70",	ATA_HORKAGE_NONCQ },
>  	{ "Maxtor 7V300F0",	"VA111630",	ATA_HORKAGE_NONCQ },
> +	{ "ST380817AS",		"3.42",		ATA_HORKAGE_NONCQ },
>  	{ "HITACHI HDS7250SASUN500G 0621KTAWSD", "K2AOAJ0AHITACHI",
>  	 ATA_HORKAGE_NONCQ },
>  	/* NCQ hard hangs device under heavier load, needs hard power cycle */
> 
> 

Are you sure this isn't just a bum drive? Looking at the SMART listing 
that was posted, looks like it's had some uncorrectable sector read 
errors in the event log..

-- 
Robert Hancock      Saskatoon, SK, Canada
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