linux-kernel - Re: Extremely slow IO with a PCMCIA CompactFlash adapter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200908021538.45180.bzolnier@gmail.com>
Date:	Sun, 2 Aug 2009 15:38:45 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Jack Byer <ojbyer@....net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Extremely slow IO with a PCMCIA CompactFlash adapter

On Saturday 01 August 2009 16:02:22 Jack Byer wrote:
> I have an old digital camera that stores its pictures on a 340 MB IBM 
> microdrive. I am trying to transfer to pictures from the camera to my 
> computer but can not find the special non-standard USB cable. The 
> camera did come with a CompactFlash to PCMCIA adapter, so tried 
> connecting it to my laptop. I was able to install the correct modules 
> and mount the drive, but accessing it is very slow (5.0 kBps read / 
> 3.8 kBps write). Is this expected behavior? Is there any setup I am 
> missing that would make this faster?

Get 2.6.31-rc5 kernel.

Set:

	CONFIG_IDE=m
	CONFIG_BLK_DEV_IDECS=m

in the kernel config.

Build, install, reboot.

Load ide-cs module.

Enjoy the speed increase using /dev/hda.

You may try "hdparm -c1 /dev/hda" for an extra enjoyment.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/