Subject: Re: Can't mount large ext2 partition on amd64
To: Nicolas Joly <>
From: Manuel Bouyer <>
List: current-users
Date: 11/14/2003 21:43:54
On Fri, Nov 14, 2003 at 01:46:35PM +0100, Nicolas Joly wrote:
> We recently installed an amd64 machine, using -current (20031113,
> locally cross-builded from i386).
> It came with 2 (IBM 36GB) SCSI disks. sd0 holds a RedHat linux
> distribution, and i installed NetBSD on sd1. The linux disk has 2 EXT3
> primary partitions for `/boot' (128MB) and `/' (31GB).
> I can successfuly mount the small `/boot' partition, but i got
> problems with the large one :
> root@ibm1 [~]# mount -t ext2fs /dev/sd0e /mount/linux/boot 
> root@ibm1 [~]# mount -t ext2fs /dev/sd0g /mount/linux/root
> mount_ext2fs: /dev/sd0g on /mount/linux/root: Read-only file system
> root@ibm1 [~]# mount
> /dev/sd1a on / type ffs (local)
> /dev/sd1f on /var type ffs (local)
> /dev/sd1e on /usr type ffs (local)
> /dev/sd1g on /home type ffs (local)
> /dev/sd1h on /local type ffs (local)
> kernfs on /kern type kernfs (local)
> /dev/sd0e on /mount/linux/boot type ext2fs (local)
> Did i missed anything ? Is there a size limit for ext2fs partitions ?

Could be an issue with ext2fs extentions that we don't support yet.
Does anyone remember how to see ext2fs extentions in use on a filesystem ?

Manuel Bouyer <>
     NetBSD: 24 ans d'experience feront toujours la difference