Hi,
Sorry to interrupt the discussion. I found a different rcfs
mount/umount problem on f0.
I tried to run the rapid mount/unmount script on f0, and then
stopped the script by SIGINT. After that, I've sometimes observed
that further rcfs mount request is failed by EPERM permanently.
I guess the reason is that rcfs_mount_count is wrongly
incremented in rcfs_fill_super() on error return case.
Following patch fix the problem.
Index: linux-2.6.13-ckrm/fs/rcfs/inode.c
===================================================================
--- linux-2.6.13-ckrm.orig/fs/rcfs/inode.c
+++ linux-2.6.13-ckrm/fs/rcfs/inode.c
@@ -604,6 +604,8 @@ out_inode:
sb->s_fs_info = NULL;
iput(inode);
out:
+ rcfs_mount_count--;
+
return rc;
}
Thanks,
MAEDA Naoaki
Shailabh Nagar wrote:
ibm-main wrote:
Anyone else having a hang on reboot/poweroff at the unmounting on e19
???.
Single mount umount works fine for me.
However, when I tried
while : ; do mount -t rcfs none /rcfs ; umount /rcfs ; done
after a few seconds I see a lockup too (and this happens after a
"segmentation fault" message).
Need to take a look at why this could be happening.
Was loading the rcfs module as per e18, so thought that may be the
problem.
Removed it from the boot load, problem remains.
Only resolution is the "reset" button.
f0 *doesn't* display the same problem.
Could you try the rapid mount/unmount script there too ?
Anybody have any ideas ???.
Shane ...
-- Shailabh
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