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From: Stan Hoeppner <stan@hardwarefreak.com>
To: Mark Lord <kernel@teksavvy.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
	IDE/ATA development list <linux-ide@vger.kernel.org>,
	linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: "blocked for more than 120 secs" --> a valid situation, how to prevent?
Date: Thu, 23 Sep 2010 19:51:48 -0500	[thread overview]
Message-ID: <4C9BF624.7090906@hardwarefreak.com> (raw)
In-Reply-To: <4C9BE5A8.1090002@teksavvy.com>

Mark Lord put forth on 9/23/2010 6:41 PM:
> What's the purpose of this stack dump,
> and how can it be prevented in this NORMAL situation??
> 
> The command was "hdparm --security-erase NULL /dev/sdb",
> which takes about 66 minutes to complete on this particular drive.
> 
> I don't see any obvious way for the task to mark itself
> as needing longer than 120 secs to complete the operation.

~$ man hdparm

ATA Security Feature Set

These switches are DANGEROUS to experiment with,
and might not work with every kernel. USE AT YOUR OWN RISK.

--security-erase PWD

THIS FEATURE IS EXPERIMENTAL AND NOT WELL TESTED.  USE  AT  YOUR
              OWN RISK.

-- 
Stan

  parent reply	other threads:[~2010-09-24  0:51 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-23 23:41 "blocked for more than 120 secs" --> a valid situation, how to prevent? Mark Lord
2010-09-24  0:05 ` Douglas Gilbert
2010-09-24  2:53   ` Mark Lord
2010-09-24  3:51     ` Mark Lord
2010-09-24  9:12       ` Jens Axboe
2010-09-24 13:51         ` [PATCH] block: Prevent hang_check firing during long I/O Mark Lord
2010-09-24 13:52           ` Jens Axboe
2010-09-24  4:41     ` "blocked for more than 120 secs" --> a valid situation, how to prevent? Douglas Gilbert
2010-09-24  0:51 ` Stan Hoeppner [this message]
2010-09-24  1:37   ` Kyle McMartin
2010-09-24  3:48     ` Stan Hoeppner
2010-09-24  5:02       ` Douglas Gilbert
2010-09-24  5:31       ` Mark Lord
2010-09-24  6:22         ` Stan Hoeppner
2010-09-24  6:30         ` hdparm-9.32 released: recommended upgrade Mark Lord
2010-09-24  1:58 ` "blocked for more than 120 secs" --> a valid situation, how to prevent? Maxim Levitsky
2010-09-24  2:08 ` Kyle McMartin

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