Re: lock order reversal is 5.2-BETA Nov 26

From: Kris Kennaway <kris_at_obsecurity.org>
Date: Thu, 27 Nov 2003 19:28:08 -0800
On Thu, Nov 27, 2003 at 10:00:54PM -0500, Mikhail Teterin wrote:
> > On Thu, Nov 27, 2003 at 07:16:05PM -0500, Mikhail Teterin wrote:
> > > It did not crash or anything, but the following is printed on
> > > console now (addresses ommitted):
> > > 
> > > 	lock order reversal
> > > 	 1st ... UMA lock (UMA lock) _at_ /usr/src/sys/vm/uma_core.c:1201
> > > 	 2nd ... system map (system map) _at_ /usr/src/sys/vm/vm_map.c:2210
> > 
> > Thanks, this was reported several times already.
> 
> How about this one?
> 
> lock order reversal
> 1st 0xc37abad4 vm object (vm object) _at_ /usr/src/sys/vm/swap_pager.c:1323
> 2nd 0xc098d020 swap_pager swhash (swap_pager swhash) _at_ /usr/src/sys/vm/swap_pager.c:1838
> 3rd 0xc1036948 vm object (vm object) _at_ /usr/src/sys/vm/uma_core.c:876

Even more frequently ;-)

Kris
Received on Thu Nov 27 2003 - 18:28:09 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:37:31 UTC