Re: 2.5.1-pre5 not easy to boot with devfs

From: Pierre Rousselet (pierre.rousselet@wanadoo.fr)
Date: Sun Dec 02 2001 - 23:50:17 EST

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I think the point is to force CONFIG_DEBUG_KERNEL CONFIG_DEBUG_SLAB ...

DEVFS_DEBUG is quite verbose when enabled by devfs=dall : dmesg shows
15kb of devfs messages with no room for anything else.

Keith Owens wrote:
>
> On Sun, 2 Dec 2001 11:59:34 -0500 (EST),
> Alexander Viro <viro@math.psu.edu> wrote:
> >On Sun, 2 Dec 2001, Pierre Rousselet wrote:
> >
> >> Here is the final (i hope) verdict of my devfs testbox :
> >>
> >> 2.4.16 with devfsd-1.3.18/1.3.20 : OK
> >> 2.4.17-pre1 " : Broken
> >> 2.5.1-pre1 " : OK
> >> 2.5.1-pre2 with or without v200 : Broken
> >> 2.5.1-pre5 " : Broken
> >
> >IOW, merge of new devfs code (2.4.17-pre1 in -STABLE, 2.5.1-pre2 in -CURRENT).
> >
> >We really need CONFIG_DEBUG_* forced if CONFIG_DEVFS_FS is set. Otherwise
> >we'll be getting tons of bug reports due to silent memory corruption.
> >
> >Keith, is there a decent way to do that? For 2.4.17 it would help a lot...
>
> Against 2.4.17-pre2, untested. Revert before 2.4.17.
>
> Index: 17-pre2.1/fs/Config.in
> --- 17-pre2.1/fs/Config.in Tue, 13 Nov 2001 08:45:38 +1100 kaos (linux-2.4/m/b/39_Config.in 1.2.1.2.1.7 644)
> +++ 17-pre2.1(w)/fs/Config.in Mon, 03 Dec 2001 09:54:58 +1100 kaos (linux-2.4/m/b/39_Config.in 1.2.1.2.1.7 644)
> @@ -63,7 +63,10 @@ bool '/proc file system support' CONFIG_
>
> dep_bool '/dev file system support (EXPERIMENTAL)' CONFIG_DEVFS_FS $CONFIG_EXPERIMENTAL
> dep_bool ' Automatically mount at boot' CONFIG_DEVFS_MOUNT $CONFIG_DEVFS_FS
> -dep_bool ' Debug devfs' CONFIG_DEVFS_DEBUG $CONFIG_DEVFS_FS
> +if [ "$CONFIG_DEVFS_FS" = "y" ] ; then \
> + define_bool CONFIG_DEVFS_DEBUG y
> +fi
> +# dep_bool ' Debug devfs' CONFIG_DEVFS_DEBUG $CONFIG_DEVFS_FS
>
> # It compiles as a module for testing only. It should not be used
> # as a module in general. If we make this "tristate", a bunch of people

-- 
------------------------------------------------
 Pierre Rousselet <pierre.rousselet@wanadoo.fr>
------------------------------------------------
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