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Date: Sun, 25 Jul 2010 23:00:49 +0200 From: Milan Broz <mbroz@...hat.com> To: Nils Radtke <lkml@...nk-Future.de> CC: linux-kernel@...r.kernel.org Subject: Re: cryptsetup + lvm on usb disk, unusable /dev/dm-* after suspend/resume cycle On 07/25/2010 06:06 PM, Nils Radtke wrote: > Using an external usb 2 hdd with recent kernels with cryptsetup containers that > contain lvm volumes. > > After a suspend/resume cycle, with active lvm volumes, the mounted fs is "offline", > the dm-* devices don't respond to commands issued. No more access possible. > > Have to reboot to free the devices. I guess it is not dm/block layer problem but USB related - can you check syslog if the device is not attached after resume with another major:minor? If this happens - you can free the mappings using dmsetup: - try to force umount fs (if mounted), then run "dmsetup table" and manually remove orphaned mappings using "dmsetup remove". Milan -- 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/
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