Re: "blocked for more than 120 secs" --> a valid situation, how toprevent?

[Stan Hoeppner]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/