Date: Mon, 8 Jun 2009 08:43:51 -0400 From: Wesley Shields <wxs@FreeBSD.org> To: Michael Moll <kvedulv@kvedulv.de> Cc: freebsd-current@freebsd.org Subject: Re: Kernel panic when accessing ZFS-Filesystem via NFS Message-ID: <20090608124351.GA81796@atarininja.org> In-Reply-To: <20090601182012.GA21543@darkthrone.kvedulv.de> References: <20090601182012.GA21543@darkthrone.kvedulv.de>
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On Mon, Jun 01, 2009 at 08:20:12PM +0200, Michael Moll wrote: > Hi, > > I'm getting the following crash on the NFS server with -CURRENT (r193229) > as soon as I try to access a file on a ZFS filesystem via NFS: > > #0 doadump () at pcpu.h:246 > 246 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) #0 doadump () at pcpu.h:246 > #1 0x80562773 in boot (howto=260) at > /usr/src/sys/kern/kern_shutdown.c:420 > #2 0x8056297e in panic (fmt=Variable "fmt" is not available. > ) at /usr/src/sys/kern/kern_shutdown.c:576 > #3 0x807b488c in trap_fatal (frame=0xfcc95718, eva=1660) > at /usr/src/sys/i386/i386/trap.c:933 > #4 0x807b4af0 in trap_pfault (frame=0xfcc95718, usermode=0, eva=1660) > at /usr/src/sys/i386/i386/trap.c:846 > #5 0x807b5492 in trap (frame=0xfcc95718) at > /usr/src/sys/i386/i386/trap.c:528 > #6 0x8079ceeb in calltrap () at /usr/src/sys/i386/i386/exception.s:165 > #7 0x8053d1bd in prison_priv_check (cred=0x85fe7000, priv=334) > at /usr/src/sys/kern/kern_jail.c:3315 > #8 0x8055631e in priv_check_cred (cred=0x85fe7000, priv=334, flags=0) > at /usr/src/sys/kern/kern_priv.c:93 > #9 0x8514412c in secpolicy_fs_owner () from /boot/kernel/zfs.ko > #10 0x85144657 in secpolicy_vnode_access () from /boot/kernel/zfs.ko > #11 0x851bfc5b in zfs_zaccess () from /boot/kernel/zfs.ko > #12 0x851bfeeb in zfs_zaccess_rwx () from /boot/kernel/zfs.ko > #13 0x851d55a4 in zfs_freebsd_access () from /boot/kernel/zfs.ko > #14 0x807bf282 in VOP_ACCESS_APV (vop=0x85238640, a=0xfcc958cc) > at vnode_if.c:571 > #15 0x806e8057 in nfsrv_access (vp=0x80, accmode=-2062450688, > cred=0x85fe7000, rdonly=0, override=0) at vnode_if.h:254 > #16 0x806e87f1 in nfsrv3_access (nfsd=0xfcc95a9c, slp=0x0, > mrq=0xfcc95a94) > at /usr/src/sys/nfsserver/nfs_serv.c:238 > #17 0x806f65a5 in nfssvc_program (rqst=0x86080800, xprt=0x85fe9e00) > at /usr/src/sys/nfsserver/nfs_srvkrpc.c:410 > #18 0x8071658f in svc_run_internal (pool=0x84d9e500, ismaster=1) > at /usr/src/sys/rpc/svc.c:883 > #19 0x807173fd in svc_run (pool=0x84d9e500) at > /usr/src/sys/rpc/svc.c:1223 > #20 0x806f5f6d in nfssvc_nfsd (td=Variable "td" is not available. > ) > at /usr/src/sys/nfsservc.c:199 > #22 0x806f8158 in nfssvc (td=0x8549fb40, uap=0xfcc95cf8) > at /usr/src/sys/nfs/nfs_nfssvc.c:90 > #23 0x807b4e35 in syscall (frame=0xfcc95d38) > at /usr/src/sys/i386/i386/trap.c:1073 > #24 0x8079cf50 in Xint0x80_syscall () > at /usr/src/sys/i386/i386/exception.s:261 > #25 0x00000033 in ?? () > Previous frame inner to this frame (corrupt stack?) > > Any ideas on this one? A workaround was committed to this while a more suitable fix is being worked on (r193650). -- WXS
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