From: Tejun Heo <htejun@gmail.com>
To: Raz <raziebe@gmail.com>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
Jeff Garzik <jgarzik@pobox.com>
Subject: Re: ata error codes
Date: Mon, 21 Jan 2008 17:04:18 +0900 [thread overview]
Message-ID: <47945202.8090107@gmail.com> (raw)
In-Reply-To: <5d96567b0801150939y3802a73aqcbab553af5fe6015@mail.gmail.com>
Raz wrote:
> Mr Garzik Hello
> ata errors are some times cryptic. I am refering to this line, in the
> ata_qc_timeout which holds lots of information.
> printk(KERN_ERR "ata%u: command 0x%x timeout, stat 0x%x host_stat 0x%x\n",
> ap->id,
> qc->tf.command,
> drv_stat,
> host_stat)
>
> These errors varries , and many times SMART cannot help. Is there a
> repository for these error codes, ( ata_dump_status isn't enough ).
> Is there an API to get these error codes translated to human readable format ?
> thank you
Those values are directly from hardware registers and can be decoded
with information from ATA and SFF specs. It could be nice to have
decoded strings but I'm not too sure. Even when decoded, they're pretty
cryptic and don't carry too much information by themselves.
--
tejun
next prev parent reply other threads:[~2008-01-21 8:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-15 17:39 ata error codes Raz
2008-01-21 8:04 ` Tejun Heo [this message]
2008-01-25 11:13 ` Raz
2008-01-26 1:54 ` Tejun Heo
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