Re: reproducable oops with 2.4.0-test9/reiserfs-3.6.17

From: Chris Mason (mason@suse.com)
Date: Sat Oct 21 2000 - 11:08:43 EST


--On 10/15/00 03:19:17 -0700 "Brian J. Murrell" <f1ce534781aac13609ebf8eb626228cd@interlinx.bc.ca> wrote:

>
> o make a reiserfs filesystem
> o mount it
> o run "find /usr -mount -depth | cpio -pvudm /mnt/reiserfs" to bulk copy
> data to it
>
> During the cpio I get:
>
> kernel BUG at highmem.c:221!
> invalid operand: 0000
> CPU: 0
> EIP: 0010:[kunmap_high+28/120]

Sigh, kunmap works a little better when you send it a page. Try this:

thanks,
Chris

--- linux/fs/reiserfs/tail_conversion.c.1 Sat Oct 21 11:30:42 2000
+++ linux/fs/reiserfs/tail_conversion.c Sat Oct 21 11:31:03 2000
@@ -251,10 +251,10 @@
            used, it would be ideal to write zeros to corresponding
            unformatted node. For now i_size is considered as guard for
            going out of file size */
- kunmap(tail) ;
+ kunmap(page) ;
         return n_block_size - round_tail_len;
     }
- kunmap(tail) ;
+ kunmap(page) ;
 
     /* this will invalidate all the buffers in the page after
     ** pos1

-
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