linux-kernel - Re: [PATCH] libata: add Samsung HD401LJ to the NCQ blacklist

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Date:	Wed, 18 Apr 2007 15:26:34 +0900
From:	Tejun Heo <htejun@...il.com>
To:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] libata: add Samsung HD401LJ to the NCQ blacklist

Max Kellermann wrote:
> Yet another hard drive which doesn't seem to get NCQ right.
> 
>  ata1: EH in ADMA mode, notifier 0x0 notifier_error 0x0 gen_ctl
>  0x1501000 status 0x400 next cpb count 0xB next cpb idx 0x0
>  [...]
>  ata1: timeout waiting for ADMA IDLE, stat=0x400
>  ata1: timeout waiting for ADMA LEGACY, stat=0x400
>  ata1.00: exception Emask 0x0 SAct 0x3fff SErr 0x200000 action 0x2
>  frozen
>  [...]
>  ata1: soft resetting port
> 
> http://lkml.org/lkml/2007/3/16/184
> 
> Signed-off-by: Max Kellermann <max@...mpel.org>
> 
>  drivers/ata/libata-core.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index 0abd72d..39a4c05 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -3374,6 +3374,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
>  	{ "Maxtor 6L250S0",     "BANC1G10",     ATA_HORKAGE_NONCQ },
>  	/* NCQ hard hangs device under heavier load, needs hard power cycle */
>  	{ "Maxtor 6B250S0",	"BANC1B70",	ATA_HORKAGE_NONCQ },
> +        { "SAMSUNG HD401LJ",	NULL,		ATA_HORKAGE_NONCQ, },
>  	/* Blacklist entries taken from Silicon Image 3124/3132
>  	   Windows driver .inf file - also several Linux problem reports */
>  	{ "HTS541060G9SA00",    "MB3OC60D",     ATA_HORKAGE_NONCQ, },

Can you try it on another controller?  Say, a ahci or sil24?

-- 
tejun
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