freebsd on beaglebone black, lock reversal panic shortly after first boot

David Cheney david.cheney at canonical.com
Fri Sep 20 22:45:51 UTC 2013


Hello,

I've been trying to replace my old RPi freebsd system, which I haven't
been able to get a working build for months on, with a Beaglebone
Black. This was the message I received after booting the card for the
first time and trying to portsnap.

Cheers

Dave

---


FreeBSD/arm (beaglebone) (ttyu0)

login: root
Sep 20 21:57:34 beaglebone login: ROOT LOGIN (root) ON ttyu0
FreeBSD 10.0-ALPHA2 (BEAGLEBONE) #0 r255662: Fri Sep 20 23:04:55 EST 2013

Welcome to FreeBSD!

Before seeking technical support, please use the following resources:

o  Security advisories and updated errata information for all releases are
   at http://www.FreeBSD.org/releases/ - always consult the ERRATA section
   for your release first as it's updated frequently.

o  The Handbook and FAQ documents are at http://www.FreeBSD.org/ and,
   along with the mailing lists, can be searched by going to
   http://www.FreeBSD.org/search/.  If the doc package has been installed
   (or fetched via pkg install lang-freebsd-doc, where lang is the
   2-letter language code, e.g. en), they are also available formatted
   in /usr/local/share/doc/freebsd.

If you still have a question or problem, please take the output of
`uname -a', along with any relevant error messages, and email it
as a question to the questions at FreeBSD.org mailing list.  If you are
unfamiliar with FreeBSD's directory layout, please refer to the hier(7)
manual page.  If you are not familiar with manual pages, type `man man'.

Edit /etc/motd to change this login announcement.

root at beaglebone:~ # df -h
Filesystem        Size    Used   Avail Capacity  Mounted on
/dev/mmcsd0s2a    3.5G    396M    2.9G    12%    /
devfs             1.0k    1.0k      0B   100%    /dev
/dev/mmcsd0s1       2M    693k    1.3M    34%    /boot/msdos
/dev/md0           28M     24k     26M     0%    /tmp
/dev/md1           14M     60k     13M     0%    /var/log
/dev/md2          4.4M    8.0k    4.0M     0%    /var/tmp
root at beaglebone:~ # portsnap fetch && portsnap extract
Looking up portsnap.FreeBSD.org mirrors... 7 mirrors found.
Fetching public key from ec2-ap-southeast-2.portsnap.freebsd.org... done.
Fetching snapshot tag from ec2-ap-southeast-2.portsnap.freebsd.org... done.
Fetching snapshot metadata... done.
Fetching snapshot generated at Fri Sep 20 00:08:00 UTC 2013:
f88e945869b296b518253a080d33b8c988a382fd82586c100% of   69 MB 1473 kBps 00m48s
Extracting snapshot... lock order reversal:
 1st 0xcd1299d0 bufwait (bufwait) @
/root/crochet-freebsd/src/sys/kern/vfs_bio.c:3059
 2nd 0xc2a8f600 dirhash (dirhash) @
/root/crochet-freebsd/src/sys/ufs/ufs/ufs_dirhash.c:284
KDB: stack backtrace:
db_trace_self() at db_trace_self
         pc = 0xc052ecf4  lr = 0xc022dcd0 (db_trace_self_wrapper+0x30)
         sp = 0xdd6ff7e0  fp = 0xdd6ff8f8
        r10 = 0xcd1299d0
db_trace_self_wrapper() at db_trace_self_wrapper+0x30
         pc = 0xc022dcd0  lr = 0xc038e9e0 (kdb_backtrace+0x38)
         sp = 0xdd6ff900  fp = 0xdd6ff908
         r4 = 0xc066a484  r5 = 0xc05ae078
         r6 = 0xc0592f71  r7 = 0xc0598518
kdb_backtrace() at kdb_backtrace+0x38
         pc = 0xc038e9e0  lr = 0xc03a8b5c (witness_checkorder+0xda0)
         sp = 0xdd6ff910  fp = 0xdd6ff960
         r4 = 0xc05ae43b
witness_checkorder() at witness_checkorder+0xda0
         pc = 0xc03a8b5c  lr = 0xc035ff8c (_sx_xlock+0x84)
         sp = 0xdd6ff968  fp = 0xdd6ff990
         r4 = 0x0000011c  r5 = 0xc05ae075
         r6 = 0xc2a8f610  r7 = 0xc2a8f600
         r8 = 0x00000000  r9 = 0xc2c067e0
        r10 = 0x000001b4
_sx_xlock() at _sx_xlock+0x84
         pc = 0xc035ff8c  lr = 0xc04ebfa8 (ufsdirhash_add+0x34)
         sp = 0xdd6ff998  fp = 0xdd6ff9b0
         r4 = 0xc2a8f600  r5 = 0xc2ab1e80
         r6 = 0xdd6ffa48  r7 = 0x00000001
         r8 = 0x0000084c
ufsdirhash_add() at ufsdirhash_add+0x34
         pc = 0xc04ebfa8  lr = 0xc04ee88c (ufs_direnter+0x45c)
         sp = 0xdd6ff9b8  fp = 0xdd6ffa20
         r4 = 0xc2ab1e80  r5 = 0xcd3af84c
         r6 = 0xdd6ffa48  r7 = 0x00000001
         r8 = 0x0000004c  r9 = 0xc2c067e0
ufs_direnter() at ufs_direnter+0x45c
         pc = 0xc04ee88c  lr = 0xc04f7e04 (ufs_makeinode+0x3f4)
         sp = 0xdd6ffa28  fp = 0xdd6ffb88
         r4 = 0xdd6ffa48  r5 = 0xc2ab1180
         r6 = 0xdd6ffd48  r7 = 0x00000000
         r8 = 0xc2c067e0  r9 = 0xdd6ffd30
        r10 = 0x000081a4
ufs_makeinode() at ufs_makeinode+0x3f4
         pc = 0xc04f7e04  lr = 0xc04f4268 (ufs_create+0x24)
         sp = 0xdd6ffb90  fp = 0xdd6ffb90
         r4 = 0xdd6ffc60  r5 = 0xc064eba0
         r6 = 0x00000000  r7 = 0x00100a02
         r8 = 0x00000000  r9 = 0xdd6ffd30
        r10 = 0xdd6ffd50
ufs_create() at ufs_create+0x24
         pc = 0xc04f4268  lr = 0xc0552268 (VOP_CREATE_APV+0xd0)
         sp = 0xdd6ffb98  fp = 0xdd6ffba8
VOP_CREATE_APV() at VOP_CREATE_APV+0xd0
         pc = 0xc0552268  lr = 0xc0408540 (vn_open_cred+0x278)
         sp = 0xdd6ffbb0  fp = 0xdd6ffc90
         r4 = 0xdd6ffce0  r5 = 0xdd6ffd30
         r6 = 0xc2c067e0
vn_open_cred() at vn_open_cred+0x278
         pc = 0xc0408540  lr = 0xc04082c0 (vn_open+0x24)
         sp = 0xdd6ffc98  fp = 0xdd6ffca0
         r4 = 0xc2a2d640  r5 = 0xc2a76000
         r6 = 0xdd6ffce0  r7 = 0x00000012
         r8 = 0x00000000  r9 = 0x000500cf
        r10 = 0xdd6ffcd0
vn_open() at vn_open+0x24
         pc = 0xc04082c0  lr = 0xc040187c (kern_openat+0x24c)
         sp = 0xdd6ffca8  fp = 0xdd6ffda8
kern_openat() at kern_openat+0x24c
         pc = 0xc040187c  lr = 0xc04015c4 (sys_open+0x28)
         sp = 0xdd6ffdb0  fp = 0xdd6ffdb8
         r4 = 0xc2a2d640  r5 = 0x00000000
         r6 = 0x20cc1198  r7 = 0x00000000
         r8 = 0xdd6ffe10  r9 = 0xc29f6c80
        r10 = 0x20c24080
sys_open() at sys_open+0x28
         pc = 0xc04015c4  lr = 0xc0540764 (swi_handler+0x284)
         sp = 0xdd6ffdc0  fp = 0xdd6ffe58
swi_handler() at swi_handler+0x284
         pc = 0xc0540764  lr = 0xc0530350 (swi_entry+0x2c)
         sp = 0xdd6ffe60  fp = 0xbfffe960
         r4 = 0x20c0a200  r5 = 0x000001a4
         r6 = 0x20cc1198  r7 = 0x00000005
         r8 = 0x20c0a200  r9 = 0x00000001
swi_entry() at swi_entry+0x2c
         pc = 0xc0530350  lr = 0xc0530350 (swi_entry+0x2c)
         sp = 0xdd6ffe60  fp = 0xbfffe960
Unable to unwind further
lock order reversal:
 1st 0xc2c06814 ufs (ufs) @ /root/crochet-freebsd/src/sys/kern/vfs_subr.c:2099
 2nd 0xcd1299d0 bufwait (bufwait) @
/root/crochet-freebsd/src/sys/ufs/ffs/ffs_vnops.c:262
 3rd 0xc2cb9154 ufs (ufs) @ /root/crochet-freebsd/src/sys/kern/vfs_subr.c:2099
KDB: stack backtrace:
db_trace_self() at db_trace_self
         pc = 0xc052ecf4  lr = 0xc022dcd0 (db_trace_self_wrapper+0x30)
         sp = 0xdd6ff578  fp = 0xdd6ff690
        r10 = 0xc05adb30
db_trace_self_wrapper() at db_trace_self_wrapper+0x30
         pc = 0xc022dcd0  lr = 0xc038e9e0 (kdb_backtrace+0x38)
         sp = 0xdd6ff698  fp = 0xdd6ff6a0
         r4 = 0xc066a484  r5 = 0xc0592f71
         r6 = 0xc059b3d0  r7 = 0xc05adb33
kdb_backtrace() at kdb_backtrace+0x38
         pc = 0xc038e9e0  lr = 0xc03a8b5c (witness_checkorder+0xda0)
         sp = 0xdd6ff6a8  fp = 0xdd6ff6f8
         r4 = 0xc0581d1c
witness_checkorder() at witness_checkorder+0xda0
         pc = 0xc03a8b5c  lr = 0xc033c5fc (__lockmgr_args+0x698)
         sp = 0xdd6ff700  fp = 0xdd6ff768
         r4 = 0x00080100  r5 = 0x00000833
         r6 = 0xc2cb9154  r7 = 0x00080000
         r8 = 0x00000100  r9 = 0x00000000
        r10 = 0xc059b3cd
__lockmgr_args() at __lockmgr_args+0x698
         pc = 0xc033c5fc  lr = 0xc04e678c (ffs_lock+0x80)
         sp = 0xdd6ff770  fp = 0xdd6ff798
         r4 = 0xdd6ff7b8  r5 = 0x00080100
         r6 = 0xc2cb9120  r7 = 0xc2cb9154
         r8 = 0xc2cb9174  r9 = 0x00000000
        r10 = 0xc059b3cd
ffs_lock() at ffs_lock+0x80
         pc = 0xc04e678c  lr = 0xc0554118 (VOP_LOCK1_APV+0xd8)
         sp = 0xdd6ff7a0  fp = 0xdd6ff7b0
         r4 = 0xdd6ff7b8  r5 = 0xc064e690
         r6 = 0x00000000  r7 = 0x00000000
         r8 = 0xc2a2d640  r9 = 0x00000833
VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd8
         pc = 0xc0554118  lr = 0xc0408cbc (_vn_lock+0x78)
         sp = 0xdd6ff7b8  fp = 0xdd6ff7e8
         r4 = 0xc2cb9120  r5 = 0x00080100
         r6 = 0x00080100
_vn_lock() at _vn_lock+0x78
         pc = 0xc0408cbc  lr = 0xc03f97e8 (vget+0x60)
         sp = 0xdd6ff7f0  fp = 0xdd6ff810
         r4 = 0xc2cb9120  r5 = 0x00000000
         r6 = 0x00080100  r7 = 0x00000000
         r8 = 0xc2a2d640  r9 = 0xc059a607
        r10 = 0x00000000
vget() at vget+0x60
         pc = 0xc03f97e8  lr = 0xc03ede5c (vfs_hash_get+0xe4)
         sp = 0xdd6ff818  fp = 0xdd6ff848
         r4 = 0xc2a0b2b0  r5 = 0x00000000
         r6 = 0x0002787d  r7 = 0x00000000
         r8 = 0xc2cb9120
vfs_hash_get() at vfs_hash_get+0xe4
         pc = 0xc03ede5c  lr = 0xc04e17f4 (ffs_vgetf+0x3c)
         sp = 0xdd6ff850  fp = 0xdd6ff8a0
         r4 = 0x0002787d  r5 = 0xc05aa74b
         r6 = 0xc2bb13c0  r7 = 0xdd6ff908
         r8 = 0xc2bb13c0  r9 = 0x00080000
        r10 = 0xc2a0b2b0
ffs_vgetf() at ffs_vgetf+0x3c
         pc = 0xc04e17f4  lr = 0xc04da468 (softdep_sync_buf+0x974)
         sp = 0xdd6ff8a8  fp = 0xdd6ff928
         r4 = 0x0002787d  r5 = 0xc05aa74b
         r6 = 0xc2bb13c0  r7 = 0xc05aa74b
         r8 = 0xc2bb13c0  r9 = 0x0000088b
        r10 = 0x0002787d
softdep_sync_buf() at softdep_sync_buf+0x974
         pc = 0xc04da468  lr = 0xc04e7560 (ffs_syncvnode+0x2bc)
         sp = 0xdd6ff930  fp = 0xdd6ff980
         r4 = 0x00000000  r5 = 0xcd188d48
         r6 = 0x00060200  r7 = 0xc2c067e0
         r8 = 0xc05adb30  r9 = 0xcd1299d0
        r10 = 0xcd129978
ffs_syncvnode() at ffs_syncvnode+0x2bc
         pc = 0xc04e7560  lr = 0xc04e6650 (ffs_fsync+0x20)
         sp = 0xdd6ff988  fp = 0xdd6ff998
         r4 = 0xdd6ff9f0  r5 = 0xc2c067e0
         r6 = 0x00000000  r7 = 0x00000200
         r8 = 0xc2a2d640  r9 = 0xc2c067e0
        r10 = 0xc33445a0
ffs_fsync() at ffs_fsync+0x20
         pc = 0xc04e6650  lr = 0xc05534b8 (VOP_FSYNC_APV+0xd0)
         sp = 0xdd6ff9a0  fp = 0xdd6ff9b0
         r4 = 0xdd6ff9f0  r5 = 0xc064e690
         r6 = 0x00000000  r7 = 0x00000200
VOP_FSYNC_APV() at VOP_FSYNC_APV+0xd0
         pc = 0xc05534b8  lr = 0xc04eeb54 (ufs_direnter+0x724)
         sp = 0xdd6ff9b8  fp = 0xdd6ffa20
         r4 = 0xc33445a0  r5 = 0x00000000
         r6 = 0xcd356e00
ufs_direnter() at ufs_direnter+0x724
         pc = 0xc04eeb54  lr = 0xc04f7e04 (ufs_makeinode+0x3f4)
         sp = 0xdd6ffa28  fp = 0xdd6ffb88
         r4 = 0xdd6ffa48  r5 = 0xc332fa00
         r6 = 0xdd6ffd48  r7 = 0x00000000
         r8 = 0xc2c067e0  r9 = 0xdd6ffd30
        r10 = 0x000081a4
ufs_makeinode() at ufs_makeinode+0x3f4
         pc = 0xc04f7e04  lr = 0xc04f4268 (ufs_create+0x24)
         sp = 0xdd6ffb90  fp = 0xdd6ffb90
         r4 = 0xdd6ffc60  r5 = 0xc064eba0
         r6 = 0x00000000  r7 = 0x00100a02
         r8 = 0x00000000  r9 = 0xdd6ffd30
        r10 = 0xdd6ffd50
ufs_create() at ufs_create+0x24
         pc = 0xc04f4268  lr = 0xc0552268 (VOP_CREATE_APV+0xd0)
         sp = 0xdd6ffb98  fp = 0xdd6ffba8
VOP_CREATE_APV() at VOP_CREATE_APV+0xd0
         pc = 0xc0552268  lr = 0xc0408540 (vn_open_cred+0x278)
         sp = 0xdd6ffbb0  fp = 0xdd6ffc90
         r4 = 0xdd6ffce0  r5 = 0xdd6ffd30
         r6 = 0xc2c067e0
vn_open_cred() at vn_open_cred+0x278
         pc = 0xc0408540  lr = 0xc04082c0 (vn_open+0x24)
         sp = 0xdd6ffc98  fp = 0xdd6ffca0
         r4 = 0xc2a2d640  r5 = 0xc2a76000
         r6 = 0xdd6ffce0  r7 = 0x00000012
         r8 = 0x00000000  r9 = 0x000500cf
        r10 = 0xdd6ffcd0
vn_open() at vn_open+0x24
         pc = 0xc04082c0  lr = 0xc040187c (kern_openat+0x24c)
         sp = 0xdd6ffca8  fp = 0xdd6ffda8
kern_openat() at kern_openat+0x24c
         pc = 0xc040187c  lr = 0xc04015c4 (sys_open+0x28)
         sp = 0xdd6ffdb0  fp = 0xdd6ffdb8
         r4 = 0xc2a2d640  r5 = 0x00000000
         r6 = 0x20cc1198  r7 = 0x00000000
         r8 = 0xdd6ffe10  r9 = 0xc29f6c80
        r10 = 0x20c24080
sys_open() at sys_open+0x28
         pc = 0xc04015c4  lr = 0xc0540764 (swi_handler+0x284)
         sp = 0xdd6ffdc0  fp = 0xdd6ffe58
swi_handler() at swi_handler+0x284
         pc = 0xc0540764  lr = 0xc0530350 (swi_entry+0x2c)
         sp = 0xdd6ffe60  fp = 0xbfffe960
         r4 = 0x20c0a200  r5 = 0x000001a4
         r6 = 0x20cc1198  r7 = 0x00000


More information about the freebsd-arm mailing list