Messages in this thread | | | Date | Tue, 28 Feb 2006 23:38:55 +0100 | From | Pavel Machek <> | Subject | Re: o_sync in vfat driver |
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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... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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