do_md_run returned -22 [Was: 2.6.24-rc8-mm1]

On 01/17/2008 11:35 AM, Andrew Morton wrote:

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc8/2.6.24-rc8-mm1/

still the same md issue (do_md_run returns -22=EINVAL) as in -rc6-mm1 reported 
by Thorsten here:
http://lkml.org/lkml/2007/12/27/45

Is there around any fix for this?

Having 0.90 raid 0 and 1, commenting this out helps:

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 8633bd4..9b8ecc8 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c

@@ -3292,8 +3292,8 @@ static int do_md_run(mddev_t * mddev)
          * Analyze all RAID superblock(s)
          */
         if (!mddev->raid_disks) {
-               if (!mddev->persistent)
-                       return -EINVAL;
+/*             if (!mddev->persistent)
+                       return -EINVAL;*/
                 analyze_sbs(mddev);
         }

The persistency is marked even in analyze_sbs->validate_super, I guess?