Date: Tue, 25 Apr 1995 15:48:15 +1000 From: Bruce Evans <bde@zeta.org.au> To: curt@mofo.emergent.com Cc: current@FreeBSD.org Subject: Re: kern/360: filesystem deadlock Message-ID: <199504250548.PAA17451@godzilla.zeta.org.au>
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>>Synopsis: filesystem deadlock trivial to produce > the filesystem deadlocks when installing a file to itself. > a ktrace shows a strange sequence: > at this point, deadlock with ps -l reporting ufslk2 > >>How-To-Repeat: > cd /tmp > cp /etc/termcap . > install -c -m 0644 termcap /tmp > >lockup< I think the deadlock was fixed a couple of days ago. >>Fix: > don't install a file to itself. I tried it anyway :-). The mmapping stuff causes the installed copy to be filled to the correct size with garbage. No error is detected. Bruce
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