[URGENT FIX] Re: kernel panic with initrd

Werner Almesberger (almesber@lrc.epfl.ch)
Fri, 7 Jun 1996 18:20:54 +0200 (MET DST)

Gerd Knorr <kraxel@cs.tu-berlin.de> wrote:
> There is a bug somewhere in the initrd stuff. [...]

Indeed - I forgot to run fs_may_mount, which removes stale inodes as
a side-effect. Here's a patch to fix it (for pre-2.0.14):

--- linux/fs/super.c.orig Fri Jun 7 18:08:12 1996
+++ linux/fs/super.c Fri Jun 7 18:12:18 1996
@@ -1040,6 +1040,10 @@
old_root = current->fs->root;
old_pwd = current->fs->pwd;
old_root_dev = ROOT_DEV;
+ if (!fs_may_mount(new_root_dev)) {
+ printk(KERN_CRIT "New root is busy. Staying in initrd.\n");
+ return -EBUSY;
+ }
ROOT_DEV = new_root_dev;
do_mount_root();
old_fs = get_fs();

- Werner

-- 
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 / Werner Almesberger, DI-LRC,EPFL,CH   werner.almesberger@lrc.di.epfl.ch /
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