Subject: Re: ext2 support
To: =?iso-8859-1?Q?St=E9phane?= Witzmann <>
From: Manuel Bouyer <>
List: netbsd-users
Date: 10/30/2005 22:24:04
On Sun, Oct 30, 2005 at 12:33:38PM +0100, Stéphane Witzmann wrote:
> Hi
> After creating then almost filling a 160GB ext2 partition under NetBSD, I
> ran fsck on it. It says "filesystem contains large files but lacks
> LARGE_FILE flag in superblock; fix y/n ?". As far as I know, the partition
> is not readable on NetBSD if this flag is set. So, it is ok to say no ?
> Since I used NetBSD to copy the data, it would probably have told me if
> something was wrong. I mean I don't have large files for which ext2 doesn't
> work unless the flag is turned on... or so I hope.
> So here is question 1 : is the data (it is my backup, I'm trying ext2 so
> that I can also read it on Linux or Windows [there is a driver, which I am
> gonna try soon]) safe or not ?
> Now question 2 : every time I fscked this ext2 partition (even before I put
> any data on it), the system hung up soon after fsck returned. The first
> time, it hung up when I synced, and right now (after copying the data) I
> could sync but mount didn't return.
> $ fsck.ext2 -f /dev/wd1e
> ...
> $ sync
> $ mount
> /dev/wd0a on / type ffs (soft dependencies, local)
> /dev/wdoe on /home type ffs (soft dependencies, local)
> kernfs on /kern type kernfs (local)
> At this point, I can type stuff but not switch to another tty.
> This is not a permanent hangup, the system seems to go back to normal a few
> minutes later.

Use the char device (/dev/rwd1e) instead. You have filled your memory with
disk blocks, possibly swapping out active processes.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference