From: Pavel Machek <pavel@suse.cz>
To: col-pepper@piments.com
Cc: "linux-os (Dick Johnson)" <linux-os@analogic.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: o_sync in vfat driver
Date: Tue, 28 Feb 2006 23:38:55 +0100 [thread overview]
Message-ID: <20060228223855.GC5831@elf.ucw.cz> (raw)
In-Reply-To: <op.s5nm6rm5j68xd1@mail.piments.com>
On Út 28-02-06 00:21:53, col-pepper@piments.com wrote:
> On Mon, 27 Feb 2006 22:32:07 +0100, linux-os (Dick Johnson)
> <linux-os@analogic.com> wrote:
>
> > Flash does not get zeroed to be written! It gets erased, which sets all
> > the bits to '1', i.e., all bytes to 0xff.
>
> Thanks for the correction, but that does not change the discussion.
>
> > Further, the designers of
> > flash disks are not stupid as you assume. The direct access occurs
> > to static RAM (read/write stuff).
>
> I'm not assuming anything . Some hardware has been killed by this issue.
> http://lkml.org/lkml/2005/5/13/144
I have seen flash disk dead in 5 minutes, even without o-sync. Those
devices are often crap. (I copied tar file to flash by cat foo.tar >
/dev/sda. That was apparently enough to kill that flash. Label "Yahoo"
should have warned me).
Pavel
--
Web maintainer for suspend.sf.net (www.sf.net/projects/suspend) wanted...
next prev parent reply other threads:[~2006-02-28 22:39 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <op.s5cj47sxj68xd1@mail.piments.com>
[not found] ` <op.s5jpqvwhui3qek@mail.piments.com>
[not found] ` <op.s5kxhyzgfx0war@mail.piments.com>
[not found] ` <op.s5kx7xhfj68xd1@mail.piments.com>
[not found] ` <op.s5kya3t0j68xd1@mail.piments.com>
[not found] ` <op.s5ky2dbcj68xd1@mail.piments.com>
[not found] ` <op.s5ky71nwj68xd1@mail.piments.com>
[not found] ` <op.s5kzao2jj68xd1@mail.piments.com>
2006-02-26 22:50 ` o_sync in vfat driver col-pepper
2006-02-27 13:28 ` Lennart Sorensen
2006-02-27 13:50 ` Arjan van de Ven
2006-02-27 14:06 ` Anton Altaparmakov
2006-02-27 14:27 ` Arjan van de Ven
2006-02-27 14:41 ` Anton Altaparmakov
2006-02-27 21:04 ` col-pepper
2006-02-27 21:17 ` Arjan van de Ven
2006-02-27 23:21 ` col-pepper
2006-02-27 21:32 ` linux-os (Dick Johnson)
2006-02-27 23:21 ` col-pepper
2006-02-28 13:10 ` linux-os (Dick Johnson)
2006-02-28 13:52 ` Sergei Organov
2006-02-28 15:18 ` Lennart Sorensen
2006-02-28 16:16 ` linux-os (Dick Johnson)
2006-02-28 17:23 ` Sergei Organov
2006-02-28 18:09 ` Krzysztof Halasa
2006-02-28 17:16 ` col-pepper
2006-02-28 22:38 ` Pavel Machek [this message]
2006-02-28 23:10 ` why VM_SHM has been removed from mm.h? Kamran Karimi
2006-03-01 3:02 ` Phillip Susi
2006-03-01 7:56 ` Hugh Dickins
2006-03-01 14:58 ` Kamran Karimi
2006-03-01 16:24 ` Hugh Dickins
2006-03-01 16:55 ` Kamran Karimi
2006-03-01 17:50 ` Hugh Dickins
2006-03-01 4:28 ` o_sync in vfat driver Kyle Moffett
2006-03-02 8:23 ` col-pepper
2006-03-02 8:32 ` Pavel Machek
2006-02-28 16:11 ` Helge Hafting
2006-02-28 22:37 ` Pavel Machek
2006-02-27 14:26 ` linux-os (Dick Johnson)
2006-02-27 18:53 ` Jan Engelhardt
2006-02-26 22:55 col-pepper
-- strict thread matches above, loose matches on Subject: below --
2006-02-26 23:08 col-pepper
2006-02-27 0:51 ` Andrew Morton
2006-02-27 22:19 ` col-pepper
2006-02-27 23:12 ` Andrew Morton
2006-02-28 18:47 ` Chris Mason
2006-02-28 19:10 ` Andrew Morton
2006-02-28 19:48 ` Chris Mason
[not found] ` <87u0aiw6pi.fsf@duaron.myhome.or.jp>
2006-03-01 15:23 ` Chris Mason
[not found] ` <87mzg9wst0.fsf@duaron.myhome.or.jp>
2006-03-02 13:45 ` Chris Mason
2006-03-02 14:07 ` OGAWA Hirofumi
2006-03-02 17:01 ` Chris Mason
2006-03-02 18:14 ` OGAWA Hirofumi
2006-03-29 2:13 ` Mathis Ahrens
2006-03-30 17:35 ` col-pepper
2006-02-28 0:52 ` Machida, Hiroyuki
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