kern/132337: kernel panic in zfs_fuid_create_cred
Matthew West
freebsd at r.zeeb.org
Thu Mar 5 07:00:15 PST 2009
>Number: 132337
>Category: kern
>Synopsis: kernel panic in zfs_fuid_create_cred
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Mar 05 15:00:13 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Matthew West
>Release: FreeBSD 8.0-CURRENT amd64
>Organization:
>Environment:
FreeBSD foo.internal 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Fri Feb 27 12:43:45 GMT 2009 mwest at foo.internal:/usr/obj/usr/src/sys/DEBUGLOCK amd64
>Description:
panic: zfs_fuid_create_cred
cpuid = 2
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
panic() at panic+0x182
zfs_fuid_create_cred() at zfs_fuid_create_cred+0x56
zfs_perm_init() at zfs_perm_init+0x84
zfs_mknode() at zfs_mknode+0x24e
zfs_freebsd_create() at zfs_freebsd_create+0x617
VOP_CREATE_APV() at VOP_CREATE_APV+0xb3
nfsrv_create() at nfsrv_create+0x909
nfssvc_program() at nfssvc_program+0x1a1
svc_run_internal() at svc_run_internal+0x62b
svc_thread_start() at svc_thread_start+0xb
fork_exit() at fork_exit+0x12a
fork_trampoline() at fork_trampoline+0xe
--- trap 0xc, rip = 0x800695c4c, rsp = 0x7fffffffe8e8, rbp = 0 ---
Uptime: 26m9s
Physical memory: 3056 MB
Dumping 388 MB: 373 357 341 325 309 293 277 261Error dumping block 0x0
** DUMP FAILED (ERROR 5) **
aac0: shutting down controller...FAILED.
Automatic reboot in 15 seconds - press a key on the console to abort
Rebooting...
>How-To-Repeat:
Set up a directory on an NFS share with chmod 777 permissions. Run iozone3 on a client machine, in the 777 mode directory.
Sometimes you need to ^C the iozone process and restart it a few times to trigger the panic.
I am guessing the problem lies in some of the unimplemented code in the #ifdef TODO block in zfs_fuid.c.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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