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sys-fs/device-mapper" is blocking sys-fs/udev-146-r1
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percy_vere_uk
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PostPosted: Tue Nov 24, 2009 2:50 pm    Post subject: sys-fs/device-mapper" is blocking sys-fs/udev-146-r1 Reply with quote

Hi

Can anyone advise me on the best way over the following 'blocked packages' problem.

This results in a broken system (which I have had to re-install) and me being unable to boot as udev is not recognised.

I have read extensivly on this and I have so far been unable to find a solution. I was directed to https://forums.gentoo.org/viewtopic-t-801954.html

but still not resolved.

percy
...................................................................................................

*** emerge --nospinner sys-fs/udev ***
000002 .. done!
000003 [ebuild U ] sys-fs/udev-146-r1 [141] USE="devfs-compat%* -extras%"
000004 [blocks B ] sys-fs/device-mapper ("sys-fs/device-mapper" is blocking sys-fs/udev-146-r1)
000005
000006 * Error: The above package list contains packages which cannot be
000007 * installed at the same time on the same system.
000008
000009 ('ebuild', '/', 'sys-fs/udev-146-r1', 'merge') pulled in by
000010 sys-fs/udev required by ('installed', '/', 'sys-kernel/gentoo-sources-2.6.30-r6', 'nomerge')
000011 sys-fs/udev required by ('installed', '/', 'net-wireless/bluez-4.39-r2', 'nomerge')
000012 >=sys-fs/udev-124 required by ('installed', '/', 'sys-fs/cryptsetup-1.0.6-r2', 'nomerge')
000013 (and 5 more)
000014
000015 ('installed', '/', 'sys-fs/device-mapper-1.02.24-r1', 'nomerge') pulled in by
000016 >=sys-fs/device-mapper-1.00.07-r1 required by ('installed', '/', 'sys-fs/cryptsetup-1.0.6-r2', 'nomerge')
000017 sys-fs/device-mapper required by ('installed', '/', 'app-crypt/truecrypt-6.3', 'nomerge')
000018
000019
000020 For more information about Blocked Packages, please refer to the following
000021 section of the Gentoo Linux x86 Handbook (architecture is irrelevant):
000022
000023 http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked
000024
000025 *** process completed ***
.......................................................................................................................................................................
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VoidMage
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PostPosted: Tue Nov 24, 2009 3:31 pm    Post subject: Reply with quote

That thread explains in completely - you need to replace device-mapper
with lvm2.
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percy_vere_uk
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PostPosted: Wed Nov 25, 2009 1:26 pm    Post subject: Reply with quote

Thanks for that, there have been quite a few additions to this link since I was last there but it still seems that there is no certain fix. I have already had to re-install my system twice because of this bug and really do not want to have to do it again. So I am going to wait until there is a patch that is guaranteed to work.

percy
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Mike Hunt
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PostPosted: Wed Nov 25, 2009 4:30 pm    Post subject: Reply with quote

Oh, no need to completely reinstall. That is way overkill. All you need to do is unmerge device-mapper and re-emerge lvm2
Code:
emerge -C sys-fs/device-mapper
emerge world -uDN


or
Code:
emerge -C sys-fs/device-mapper
emerge -1 emerge lvm2


If you use crypt there may be another issue. If so please repost.
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Featherfoot
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PostPosted: Wed Nov 25, 2009 10:24 pm    Post subject: Reply with quote

I unmerged device-mapper to get udev to emerge. Now I get an error booting up. dmcrypt is giving me an error message complaining about the lack of device-mapper. I'm not sure why I need dmcrypt.
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percy_vere_uk
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PostPosted: Thu Nov 26, 2009 12:45 pm    Post subject: Reply with quote

Mike Hunt

I am using encfs.

I had previously carried out what you have suggested but ended up with an unbootable system.

percy
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Mike Hunt
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PostPosted: Thu Nov 26, 2009 1:53 pm    Post subject: Reply with quote

Oh, I see. Sorry I don't know encfs. Don't know what would make a difference.

There is another thread and another one here relating to this and crypt
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percy_vere_uk
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PostPosted: Thu Nov 26, 2009 2:36 pm    Post subject: Reply with quote

Thanks for your help Mike I will have a look at these.

percy
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timeBandit
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PostPosted: Wed Dec 09, 2009 4:53 pm    Post subject: Reply with quote

Moved from Portage & Programming to Duplicate Threads.
See threads cited, plus device-mapper blocks udev, but needed for cryptsetup.
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