linux-kernel - uml: using hostfs as rootfs is not working

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Message-ID: <alpine.LNX.1.10.0811191930090.4486@fbirervta.pbzchgretzou.qr>
Date:	Wed, 19 Nov 2008 19:32:16 +0100 (CET)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
cc:	jdike@...toit.com
Subject: uml: using hostfs as rootfs is not working

Hi,


as per Documentation/uml/*txt, I issued the following to get a direct 
hostfs:

	./linux ubd0=/tftpboot/linux

(/tftpboot/linux/sbin/init exists), but the UM kernel only gives:

Failed to open '/home/tftpboot/linux', errno = 21
ubda: Can't open "/home/tftpboot/linux": errno = 21
List of all partitions:
6200               4 ubda driver: uml-blkdev

So either UML lost some functionality sometime, or the documentation is 
incorrect.
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