Date: Fri, 22 Jun 2001 10:13:40 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Makoto MATSUSHITA <matusita@jp.FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: lock order reversal Message-ID: <XFMail.010622101340.jhb@FreeBSD.org> In-Reply-To: <20010622105854E.matusita@jp.FreeBSD.org>
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On 22-Jun-01 Makoto MATSUSHITA wrote: > > kuriyama> I got message below with WITNESS option. Is this safe to ignore? > > I've found another WITNESS message (5-current CVSuped Jun/18/2001): > > lock order reversal > 1st 0xc5d2043c process lock @ ../../vm/vm_glue.c:487 > 2nd 0xc05a9ec0 lockmgr interlock @ ../../kern/kern_lock.c:239 Can you turn on WITNESS_DDB in your kenrel config file (or set the debug.witness_ddb loader tunable/sysctl before you get this reversal) and get a backtrace from ddb? -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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