Date: Sun, 28 Dec 2008 06:33:10 -0800 From: "Kip Macy" <kip.macy@gmail.com> To: "Peter Jeremy" <peterjeremy@optushome.com.au> Cc: freebsd-current@freebsd.org Subject: Re: Panic "rw lock not unlocked" doing NFS mount Message-ID: <3c1674c90812280633h535580d5g5562b5a99be8947d@mail.gmail.com> In-Reply-To: <20081228110923.GD64280@server.vk2pj.dyndns.org> References: <20081228110923.GD64280@server.vk2pj.dyndns.org>
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Please update to 186541 or later and try again. Thanks, Kip On Sun, Dec 28, 2008 at 3:09 AM, Peter Jeremy <peterjeremy@optushome.com.au> wrote: > I'm running -current from just before Christmas and when I tried to > NFS mount a ZFS filesystem, the server panic'd. Backtrace is: > #9 0xffffffff802be55b in panic (fmt=Variable "fmt" is not available.) at /usr/src/sys/kern/kern_shutdown.c:559 > During symbol reading, unsupported tag: 'DW_TAG_volatile_type'. > #10 0xffffffff802bc8f1 in rw_destroy (rw=0xffffffff80a20fe0) at /usr/src/sys/kern/kern_rwlock.c:180 > #11 0xffffffff80336636 in vfs_export (mp=0xffffff0001c6a000, argp=0xfffffffe96b10960) at /usr/src/sys/kern/vfs_export.c:247 > #12 0xffffffff8033de6f in vfs_donmount (td=0xffffff0001c8dab0, fsflags=0x11100, fsoptions=0xffffff0016c69700) at /usr/src/sys/kern/vfs_mount.c:998 > #13 0xffffffff8033eeec in nmount (td=0xffffff0001c8dab0, uap=0xfffffffe96b10c00) at /usr/src/sys/kern/vfs_mount.c:417 > #14 0xffffffff8044d12d in syscall (frame=0xfffffffe96b10c90) at /usr/src/sys/amd64/amd64/trap.c:898 > #15 0xffffffff8042fd4b in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:338 > > I'm not sure why nmount(2) is being invoked on the NFS server. Also, the > path passed into nmount() is not the path I was mounting (though it is a > path I tried unsuccessfully to mount yesterday). Has anyone got any > suggestions? > > Just before I sent this, I tried the mount again and got EPERM on the > client. Since I'd been renaming ZFS mountpoints, I assumed that mountd > had gotten itself confused. When I SIGHUP'd it, I got another identical > panic. > > -- > Peter Jeremy > Please excuse any delays as the result of my ISP's inability to implement > an MTA that is either RFC2821-compliant or matches their claimed behaviour. > -- Als die Nazis die Kommunisten holten, habe ich geschwiegen; ich war ja kein Kommunist. Als sie die Sozialdemokraten einsperrten, habe ich geschwiegen; ich war ja kein Sozialdemokrat. Als sie die Gewerkschafter holten, habe ich nicht protestiert; ich war ja kein Gewerkschafter. Als sie die Juden holten, habe ich geschwiegen; ich war ja kein Jude. Als sie mich holten, gab es keinen mehr, der protestieren konnte.
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