Date: Fri, 20 May 2011 14:12:32 -0400 From: Andrew Duane <aduane@juniper.net> To: Juli Mallett <jmallett@FreeBSD.org> Cc: "mips@freebsd.org" <mips@FreeBSD.org> Subject: RE: Two repeatable panics on CURRENT Message-ID: <AC6674AB7BC78549BB231821ABF7A9AEB57AE21620@EMBX01-WF.jnpr.net> In-Reply-To: <BANLkTinqF_=fgaPivW-mVgOO2_AcDu3d2g@mail.gmail.com> References: <AC6674AB7BC78549BB231821ABF7A9AEB57AE215BC@EMBX01-WF.jnpr.net> <BANLkTinqF_=fgaPivW-mVgOO2_AcDu3d2g@mail.gmail.com>
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It drops into KDB (with a mostly garbage backtrace). I think I will turn WI= TNESS off for now....=20 /Andrew =20 -----Original Message----- From: juli@clockworksquid.com [mailto:juli@clockworksquid.com] On Behalf Of= Juli Mallett Sent: Friday, May 20, 2011 1:53 PM To: Andrew Duane Cc: mips@freebsd.org Subject: Re: Two repeatable panics on CURRENT On Fri, May 20, 2011 at 10:46, Andrew Duane <aduane@juniper.net> wrote: > I'm almost finished bringing up -CURRENT on my octeon blade, but have two= perfectly repeatable panics that I could use some help sorting out. > [...] > Also, when I halt the system: > > =A0 =A0 =A0 =A0Waiting (max 60 seconds) for system process `vnlru' to sto= p...done > =A0 =A0 =A0 =A0Waiting (max 60 seconds) for system process `bufdaemon' to= stop...done > =A0 =A0 =A0 =A0Waiting (max 60 seconds) for system process `syncer' to st= op... > =A0 =A0 =A0 =A0Syncing disks, vnodes remaining...0 0 timed out > =A0 =A0 =A0 =A0All buffers synced. > =A0 =A0 =A0 =A02: lock order reversal: > =A0 =A0 =A0 =A00 =A01st 0x9800000001e23bd8 ufs (ufs) @ /aduane/FreeBSDCur= rent/src/sys/kern/vfs_mount.c:1190 3 > =A0 =A0 =A0 =A02nd 0x9800000001eaa458 devfs (devfs) @ /aduane/FreeBSDCurr= ent/src/sys/kern/vfs_subr.c:0 2134 > > This is with WITNESS turned on. I may turn it off for now, but does someo= ne know about this? Does the system actually panic after that? That reversal is, I think, at least very close to being harmless.
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