kern/84456: Kernelpanic during mount of UFS1+extattr

Mon Aug 1 18:40:17 GMT 2005

>Number:         84456
>Category:       kern
>Synopsis:       Kernelpanic during mount of UFS1+extattr
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Aug 01 18:40:08 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Matthias Schündehütte
>Release:        6.0-BETA1
>Organization:
private FreeBSD site
>Environment:
FreeBSD stable.alpenflugzentrum.de 6.0-BETA1 FreeBSD 6.0-BETA1 #0: Fri Jul 29 21:17:52 CEST 2005     root at stable.alpenflugzentrum.de:/usr/obj/usr/src/sys/STABLE  i386      
>Description:
During mount of an UFS1 filesystem with extended attributes the following panic occured:

Dump header from device /dev/da0s1b
 Architecture: i386
 Architecture Version: 33554432
 Dump Length: 267980800B (255 MB)
 Blocksize: 512
 Dumptime: Sat Jul 30 17:38:32 2005
 Hostname:
 Magic: FreeBSD Kernel Dump
 Version String: FreeBSD 6.0-BETA1 #0: Fri Jul 29 21:17:52 CEST 2005
   root at stable.alpenflugzentrum.de:/usr/obj/usr/src/sys/STABLE
 Panic String: lockmgr: unknown locktype request 0
 Dump Parity: 2781107745
 Bounds: 205
 Dump Status: good

Backtrace of the kernel dump:

#23 0xc054b91c in panic (fmt=0xc0729f42 "lockmgr: unknown locktype
request %d")
   at /usr/src/sys/kern/kern_shutdown.c:537
#24 0xc053cad1 in lockmgr (lkp=0xc1746c08, flags=0, interlkp=0xc07875f8,
   td=0xc1717e10) at /usr/src/sys/kern/kern_lock.c:423
#25 0xc05ab9a6 in vfs_hash_insert (vp=0xc1746bb0, hash=215, flags=0,
   td=0xc1717e10, vpp=0xd13a3760, fn=0, arg=0x0)
   at /usr/src/sys/kern/vfs_hash.c:112
#26 0xc067bf27 in ffs_vget (mp=0xc16b6000, ino=215, flags=0,
vpp=0xd13a3760)
   at pcpu.h:162
#27 0xc068831e in ufs_lookup (ap=0xd13a3838)
   at /usr/src/sys/ufs/ufs/ufs_lookup.c:571
#28 0xc0685f34 in ufs_extattr_lookup (start_dvp=0xc1746cc0,
lockparent=2,
   dirname=0x0, vp=0x0, td=0xc1717e10)
   at /usr/src/sys/ufs/ufs/ufs_extattr.c:273
#29 0xc0686623 in ufs_extattr_autostart (mp=0xc16b6000, td=0xc1717e10)
   at /usr/src/sys/ufs/ufs/ufs_extattr.c:462
#30 0xc067e35a in ffs_mount (mp=0xc16b6000, td=0xc1717e10)
   at /usr/src/sys/ufs/ffs/ffs_vfsops.c:780
#31 0xc05ae9d9 in vfs_donmount (td=0xc1717e10, fsflags=32776,
   fsoptions=0xd13a3be8) at /usr/src/sys/kern/vfs_mount.c:739
#32 0xc05b09cd in kernel_mount (ma=0xc16c6450, flags=0) at pcpu.h:162
#33 0xc067b778 in ffs_cmount (ma=0xc16c6450, data=0x0, flags=0,
td=0xc1717e10)
   at /usr/src/sys/ufs/ffs/ffs_vfsops.c:384
#34 0xc05b0707 in mount (td=0xc1717e10, uap=0xd13a3d04)
   at /usr/src/sys/kern/vfs_mount.c:566
#35 0xc06f1be0 in syscall (frame=
     {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = -1077943940, tf_esi
= -1077941228, tf_ebp = -1077943800, tf_isp = -784712348, tf_ebx =
-1077943760, tf_edx = 0, tf_ecx = 1, tf_eax = 21, tf_trapno = 12,
tf_err = 2, tf_eip = 671916271, tf_cs = 51, tf_eflags = 582, tf_esp =
-1077943972, tf_ss = 59})
   at /usr/src/sys/i386/i386/trap.c:986
#36 0xc06e236f in Xint0x80_syscall ()
at /usr/src/sys/i386/i386/exception.s:200

The filesystem dump look as follows:

magic   11954 (UFS1)    time    Sat Jul 30 16:38:30 2005
id      [ 3fc09aad 28e883c3 ]
ncg     52      size    4718592 blocks  4644951
bsize   16384   shift   14      mask    0xffffc000
fsize   2048    shift   11      mask    0xfffff800
frag    8       shift   3       fsbtodb 2
minfree 8%      optim   time    symlinklen 60
maxbpg  4096    maxcontig 7     contigsumsize 7
nbfree  462756  ndir    58      nifree  1164394 nffree  252
cpg     89      bpg     11392   fpg     91136   ipg     22400
nindir  4096    inopb   128     nspf    4       maxfilesize
1126174852055039
sbsize  2048    cgsize  16384   cgoffset 1024   cgmask  0xffffffff
csaddr  1424    cssize  2048
rotdelay 0ms    rps     60      trackskew 0     interleave 1
nsect   4096    npsect  4096    spc     4096
sblkno  8       cblkno  16      iblkno  24      dblkno  1424
cgrotor 36      fmod    0       ronly   0       clean   0
avgfpdir 64     avgfilesize 16384
flags   soft-updates
fsmnt   /disk
volname         swuid   0

cs[].cs_(nbfree,ndir,nifree,nffree):
       (2991,3,22392,27) (7117,0,22400,0) (7117,1,22399,7)
(7117,1,22399,7)
       (11215,0,22400,0) (7118,0,22400,0) (11215,0,22400,0)
(11215,0,22400,0)
       (7118,0,22400,0) (7118,0,22400,0) (4068,5,22252,114)
(7118,0,22400,0)
       (7118,0,22400,0) (7118,0,22400,0) (7118,0,22400,0)
(7118,0,22400,0)
       (7118,0,22400,0) (4577,0,22400,0) (7117,0,22400,0)
(7118,0,22400,0)
       (7118,0,22400,0) (7118,0,22400,0) (7118,0,22400,0)
(7118,0,22400,0)
       (7118,0,22400,0) (7118,0,22400,0) (7118,0,22400,0)
(7118,0,22400,0)
       (6916,1,22398,7) (11215,0,22400,0) (11215,0,22400,0)
(11214,1,22399,7)
       (11215,0,22400,0) (10736,1,22395,12) (11215,0,22400,0)
(11215,0,22400,0)
       (10392,0,22400,0) (11215,0,22400,0) (11215,0,22400,0)
(11215,0,22400,0)
       (11215,0,22400,0) (11215,0,22400,0) (11215,0,22400,0)
(11101,42,22163,66)
       (11214,3,22397,5) (11215,0,22400,0) (11215,0,22400,0)
(11215,0,22400,0)
       (11215,0,22400,0) (11215,0,22400,0) (11215,0,22400,0)
(8655,0,22400,0)
cylinders in last group 69
blocks in last group 8832

>How-To-Repeat:
Try to mount an UFS1 filesystem with extended attributes with an 6.0-BETA1 kernel
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: