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SubjectRe: 2.5.64 oops in ppp / pppo2 / kobject

On 10 Mar 2003, Andreas Jellinghaus wrote:

> pppoe link failed, then ppp oopsed.
>
> Also, shutting down the system ends in a deadlock
> (or so? nothing is happening, lots of processes in __down.)
>
> plain 2.5.64 plus ipv6/setkey patch (unreleated i think).

Please try the latest BK snapshot from

http://kernel.org/pub/linux/kernel/v2.5/snapshots/

Plus this patch on top it. This problem has been reported before, and this
patch should fix it..

Thanks,

-pat

===== fs/sysfs/dir.c 1.4 vs edited =====
--- 1.4/fs/sysfs/dir.c Sat Mar 8 23:42:32 2003
+++ edited/fs/sysfs/dir.c Sun Mar 9 16:01:45 2003
@@ -98,7 +98,6 @@
* Unlink and unhash.
*/
spin_unlock(&dcache_lock);
- d_delete(d);
simple_unlink(dentry->d_inode,d);
dput(d);
spin_lock(&dcache_lock);
@@ -108,16 +107,11 @@
}
spin_unlock(&dcache_lock);
up(&dentry->d_inode->i_sem);
- d_invalidate(dentry);
- simple_rmdir(parent->d_inode,dentry);
d_delete(dentry);
+ simple_rmdir(parent->d_inode,dentry);

pr_debug(" o %s removing done (%d)\n",dentry->d_name.name,
atomic_read(&dentry->d_count));
- /**
- * Drop reference from initial sysfs_get_dentry().
- */
- dput(dentry);

/**
* Drop reference from dget() on entrance.
===== fs/sysfs/inode.c 1.83 vs edited =====
--- 1.83/fs/sysfs/inode.c Mon Mar 3 17:11:29 2003
+++ edited/fs/sysfs/inode.c Sun Mar 9 14:25:45 2003
@@ -93,19 +93,14 @@
/* make sure dentry is really there */
if (victim->d_inode &&
(victim->d_parent->d_inode == dir->d_inode)) {
- simple_unlink(dir->d_inode,victim);
- d_delete(victim);
-
pr_debug("sysfs: Removing %s (%d)\n", victim->d_name.name,
atomic_read(&victim->d_count));
- /*
- * Drop reference from initial sysfs_get_dentry().
- */
- dput(victim);
+
+ simple_unlink(dir->d_inode,victim);
+
}
-
- /**
- * Drop the reference acquired from sysfs_get_dentry() above.
+ /*
+ * Drop reference from sysfs_get_dentry() above.
*/
dput(victim);
}
-
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