Date: Mon, 2 Jul 2007 00:37:21 +0400 (MSD) From: Dmitry Morozovsky <marck@rinet.ru> To: Nate Lawson <nate@root.org> Cc: current <current@freebsd.org> Subject: Re: GEOM weirdness with SD flash reader? Message-ID: <20070702003506.K81781@woozle.rinet.ru> In-Reply-To: <46880F1C.3020602@root.org> References: <46880400.70808@root.org> <20070702000903.L81781@woozle.rinet.ru> <46880F1C.3020602@root.org>
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On Sun, 1 Jul 2007, Nate Lawson wrote: NL> > Do you insert your card after reader got initialized? I have internal reader in NL> > my work machine, and have to use NL> > NL> > dd if=/dev/null of=/dev/daN count=0 NL> > NL> > to [re]initialize GEOM providers on newly inserted card... NL> NL> Yes, you're exactly right. However, shouldn't a read from a device NL> trigger a re-taste if the media is removable? So the fdisk of da2 NL> should have caused it to re-read the MBR and create /dev/da2s1. I think NL> maybe there should be a flag set for devices with removable media that NL> causes the device to be re-tasted on every mount request. NL> NL> Other ideas how to fix this? IIRC, former discussion leads to the fact that GEOM prividers list is updated only after (even empty) write request, not read ones... AFAIC wind0ze systems are constantly polling removable devices to detect media changes. Don't know about current Linuces. Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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