linux-kernel - [BUG?] register_blkdev: failed to get major for device mapper

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Date:	Fri, 16 Feb 2007 14:37:28 +0100
From:	Rolf Eike Beer <eike-kernel@...tec.de>
To:	linux-kernel@...r.kernel.org
Cc:	dm-devel@...hat.com
Subject: [BUG?] register_blkdev: failed to get major for device mapper

Hi,

I can't bring up my machine with root LVM anymore using x86_64. The same 
machine from same kernel tree boots fine as x86. The error message is quoted 
in subject. The tree is at 86a71dbd3e81e8870d0f0e56b87875f57e58222b (for 
those not using git: somewhere after 2.6.20).

Attached are my .config of x86 and x86_64 as well as dmesg of failed boot as 
captured via serial line.

The only other report of this problem dates back to early 2005 (see 
http://lkml.org/lkml/2005/2/5/29) and was about 2.6.11-rc2-mm2. I 
successfully have 2.6.18-rc7-something on this machine as x86_64 so it worked 
in between.

Any ideas?

Greetings,

Eike

View attachment "dmesg" of type "text/plain" (13934 bytes)

View attachment "config-ia32" of type "text/plain" (13036 bytes)

View attachment "config-x86_64" of type "text/plain" (12565 bytes)

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