Lock order reversal in 5.2-CURRENT

Bjoern A. Zeeb bzeeb-lists at lists.zabbadoz.net
Tue Aug 10 13:40:09 PDT 2004


On Tue, 10 Aug 2004, Colin Percival wrote:

> At 11:29 10/08/2004, Terrence Koeman wrote:
> >lock order reversal
> > 1st 0xc0645aa0 sched lock (sched lock) @ /usr/src/sys/vm/vm_zeroidle.c:156
> > 2nd 0xc06748c0 sio (sio) @ /usr/src/sys/dev/sio/sio.c:3039
> >
> >This LOR is not on http://sources.zabbadoz.net/freebsd/lor.html, so I'm
> >guessing this one locked up my system.
>
> This is LOR #013 on bzeeb's list.  There isn't any solution yet, but there is
> a simple workaround: unplug the serial console.

is it fully the same ? At least it happens in two places then or did
functions get moved ? If so then I will merge 020 into 013 ?

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT


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