Date: 9 Oct 1995 10:35:53 +0800 From: peter@haywire.dialix.com (Peter Wemm) To: freebsd-current@freebsd.org Subject: Re: vm_page_free panic with KTRACE Message-ID: <45a1q9$gi$1@haywire.DIALix.COM> References: <199510082335.QAA06276@newport.ece.uci.edu>
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swallace@ece.uci.edu (Steven Wallace) writes: >I just noticed that doing a ktrace will cause a vm_page_free panic: >vm_page_free: offset(46092288), bmapped(0), busy(1), PG_BUSY - freeing busy pg. >Just do a ktrace and then during or shortly after while swapping >it will panic. Don't do ktrace, system up for long time. >Same ktrace/free bug in today -current and sept 25 -current kernel of mine. >Steven >P.S. I *need* ktrace to debug the stupid ibcs2 emulator (: Ahh.. So I wasn't imagining it! I've had this turn up occasionally for quite some time now. The last time was a couple of days ago when I was trying to ktrace the -current "port" of screen which doesn't work. (it only works if setuid is turned off) -Peter
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