Date: Tue, 17 Feb 2009 21:43:31 -0800 From: Cy Schubert <Cy.Schubert@komquats.com> To: freebsd-stable@freebsd.org Subject: ZFS Panic Message-ID: <200902180543.n1I5hVDF072033@cwsys.cwsent.com>
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I got this panic after issuing reboot(8). FreeBSD 7.1-STABLE FreeBSD 7.1-STABLE #0: Tue Feb 17 19:29:23 PST 2009 cy@cwsys:/export/obj/export/home/cy/test/test-stable7/sys/DEBUG i386 FreeBSD/i386 (bob) (ttyd0) login: Feb 17 21:22:56 bob reboot: rebooted by root Feb 17 21:22:56 bob syslogd: exiting on signal 15 Waiting (max 60 seconds) for system process `vnlru' to stop...done Waiting (max 60 seconds) for system process `syncer' to stop... Syncing disks, vnodes remaining...2 2 2 2 1 1 1 1 0 0 0 0 0 0 done Waiting (max 60 seconds) for system process `bufdaemon' to stop...done All buffers synced. panic: insmntque() failed: error 16 cpuid = 0 KDB: enter: panic [thread pid 1086 tid 100090 ] Stopped at kdb_enter_why+0x3a: movl $0,kdb_why db> bt Tracing pid 1086 tid 100090 td 0xc2bfd230 kdb_enter_why(c087ef4a,c087ef4a,c2b1b5b4,ebf8da58,0,...) at kdb_enter_why+0x3a panic(c2b1b5b4,10,c2b24a40,ebf8da64,c38e6000,...) at panic+0x136 gfs_file_create(84,c346d8a0,c342d5a0,c2b24a40,c346d8a0,...) at gfs_file_create+0x86 gfs_dir_create(84,c346d8a0,c342d5a0,c2b24a40,0,...) at gfs_dir_create+0x2c zfsctl_mknode_snapdir(c346d8a0,c2b1b54f,275,25d,c3419520,...) at zfsctl_mknode_snapdir+0x53 gfs_dir_lookup(c346d8a0,c2b21126,ebf8db74,c091521c,ebf8db38,...) at gfs_dir_lookup+0xd1 zfsctl_root_lookup(c346d8a0,c2b21126,ebf8db74,0,0,...) at zfsctl_root_lookup+0xdc zfsctl_umount_snapshots(c342d5a0,80000,c3acb800,c3216844,0,...) at zfsctl_umount_snapshots+0x4e zfs_umount(c342d5a0,80000,c2bfd230,c2bfd230,c088a687,...) at zfs_umount+0x53 dounmount(c342d5a0,80000,c2bfd230,e26988ac,0,...) at dounmount+0x430 vfs_unmountall(c087ed87,0,c087edeb,128,0,...) at vfs_unmountall+0x4e boot(c090b5d0,0,c087edeb,ab,ebf8dd2c,...) at boot+0x44f reboot(c2bfd230,ebf8dcfc,4,c0885aef,c08c38a8,...) at reboot+0x4b syscall(ebf8dd38) at syscall+0x2b3 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (55, FreeBSD ELF32, reboot), eip = 0x280bc947, esp = 0xbfbfeb7c, ebp = 0xbfbfebb8 --- db> Forceably unmounting ZFS filesystems prior to issuing reboot(8) mitigates the panic. -- Cheers, Cy Schubert <Cy.Schubert@komquats.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org e**(i*pi)+1=0
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