REASSIGN 817252 - xfs qa 013 trips assertion

[pv@xxxxxxxxxxxxxxxxx (lord@xxxxxxx)]

View Incident: 
http://co-op.engr.sgi.com/BugWorks/code/bwxquery.cgi?search=Search&wlong=1&view_type=Bug&wi=817252

 Status : open                         Priority : 2                         
*Assigned Engineer : lord              Submitter : dxm                      
 Project : xfs-linux                  *Assigned Group : xfs-linux           
 Opened Date : 03/07/01               *Modified User : lord                 
*Modified User Domain : sgi.com       *Description :
fuzzy.melbourne - sgi 1200, scsi, 2 cpu:

xfs qa 013 now reliably trips this assertion:

XFS assertion failed: ismrlocked(io->io_iolock, MR_UPDATE), file: xfs_lrw.c, 
line: 414
kernel BUG at debug.c:48!

Entering kdb (current=0xc3e30000, pid 1475) on processor 0 Oops: invalid operand
due to oops @ 0xc8827d7d
eax = 0x0000001a ebx = 0xc5592a18 ecx = 0x00000001 edx = 0x00000001 

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==========================
ADDITIONAL INFORMATION (REASSIGN)
From: lord@xxxxxxx (BugWorks)
Date: Mar 08 2001 07:34:57AM
==========================

This is easy