NetBSD-Bugs archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: kern/38375: LOCKDEBUG panic with 4.99.58 SMP kernels



...and another:

NetBSD/sparc64 (torbidinsu.urc.uninett.no) (console)

login: Kernel lock error: _kernel_unlock: assertion failed: nlocks <= 0

lock address : 0x00000000018d3a00 type     :               spin
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
current cpu  :                  1 last held:                  0
current lwp  : 0x000000001100ee20 last held: 0x000000000f9cb180
last locked  : 0x00000000012ebd80 unlocked : 0x00000000013487ec
initialized  : 0x00000000012b1800
curcpu holds :                  0 wanted by: 000000000000000000

panic: LOCKDEBUG
Failed to pause: cpu0 cpu2 cpu3
Stopped in pid 483.1 (systat) at        netbsd:cpu_Debugger+0x4:        nop
db{1}> tra
lockdebug_abort1(18eb928, 18eb928, 151c730, 1686530, 1, 1) at 
netbsd:lockdebug_abort1+0x7c
lockdebug_abort(18d3a00, 181b280, 151c730, 1686530, 1f4, 11004d40) at 
netbsd:lockdebug_abort+0x7c
_kernel_unlock(1, 0, 0, fffffff, 18d3800, 1100ee20) at 
netbsd:_kernel_unlock+0x78
cdev_read(0, 11087bf0, 0, badcafe, badcafe, badcafe) at netbsd:cdev_read+0x60
spec_read(11087a48, 1346228, 151cc00, 1100ee20, 10a58230, badcafe) at 
netbsd:spec_read+0x1e0
ufsspec_read(11087a48, 10001, badcafe, 0, 0, 0) at netbsd:ufsspec_read+0x48
VOP_READ(10a58230, 11087bf0, 0, 1101f480, b8, 17) at netbsd:VOP_READ+0x6c
vn_read(11023a80, 11023a80, 11087bf0, 1101f480, 1, 23e400) at 
netbsd:vn_read+0x88
dofileread(16, 11023a80, 262000, 10000, 0, 1) at netbsd:dofileread+0x60
sys_read(0, 11087dc0, 11087e00, 11084000, 9600, 798) at netbsd:sys_read+0x60
syscall_plain(11087ed0, 3, 40d39594, 209, 40d39594, 800) at 
netbsd:syscall_plain+0x12c
?(0, 262000, 10000, badcafe, badcafe, badcafe) at 0x10093e4
db{1}> x/i 0x00000000012ebd80
netbsd:callout_softclock+0x2c0: call            netbsd:_kernel_lock
db{1}> x/i 0x00000000013487ec
netbsd:VOP_GETPAGES+0x6c:       call            netbsd:_kernel_unlock
db{1}> ps/l
 PID         LID S     FLAGS       STRUCT LWP *               NAME WAIT
>483       >   1 7  a0000004           1100ee20             systat
 487           1 3        84           10d96700           rtorrent select
 475           1 3        84           10d97c00               tcsh pause
 472           1 3        84            f9ea020       screen-4.0.2 select
 406           1 3        84           1100f520               tcsh pause
 401           1 3        84           1100e3a0               tcsh tty
 426           1 3        84           10d96e00              xterm select
 429           1 3        84           10d96000               tcsh pause
 334           1 3        84           1100f1a0               sshd select
 437           1 3        84           10b02ac0               sshd netio
 425           1 3        84           1100eaa0              xterm select
 34            1 3        84           1100e720               tcsh pause
 420           1 3        84           1100fc20               sshd select
 404           1 3        84           1100f8a0               sshd netio
 346           1 3        84           10b02740               qmgr select
 377           1 3        84            f9eae20             pickup select
 375           1 3        84           10b03540              getty tty
 383           1 3        84           10b031c0               cron nanoslp
 358           1 3        84           10d96380              inetd kqueue
 350           1 3        84           10d96a80             master select
 272           1 3        84           10b023c0               sshd select
 235           1 3        84           10d97880               ntpd pause
 165           1 3        84           10b02e40       lfs_cleanerd segment
 156           1 3        84            f9e8e00          mount_mfs mfsidl
 114           1 3        84            f9eb8a0            syslogd kqueue
 1             1 3        84            f9ebc20               init wait
 0            46 3       204           10b03c40         lfs_writer lfswriter
              45 3       204            f9e8380            physiod physiod
              44 3       204            f9eb1a0        vmem_rehash vmem_rehash
              43 3       204            f9eb520           aiodoned aiodoned
              42 3       204            f9e8700            ioflush syncer
              41 3       204            f9e8000           pgdaemon pgdaemon
              40 3       204            f9e9180          cryptoret crypto_wait
              31 3       204            f9e9500           scsibus1 sccomp
              30 3       204            f9e9880           scsibus0 sccomp
              29 3       204            f9e9c00            envctrl envidle
              28 3       204            f9dc040             sysmon smtaskq
              27 3  80000204            f9dc3c0            xcall/3 xcall
              26 1  80000204            f9dc740          softser/3
              25 1  80000204            f9dcac0          softclk/3
              24 1  80000204            f9dce40          softbio/3
              23 1  80000204            f9dd1c0          softnet/3
              22 7  a0000205            f9dd540             idle/3
              21 3  80000204            f9dd8c0            xcall/2 xcall
              20 1  80000204            f9ddc40          softser/2
              19 1  80000204            f9d8020          softclk/2
              18 1  80000204            f9d83a0          softbio/2
              17 1  80000204            f9d8720          softnet/2
              16 7  a0000205            f9d8aa0             idle/2
              15 3  80000204            f9d8e20            xcall/1 xcall
              14 1  80000204            f9d91a0          softser/1
              13 1  80000204            f9d9520          softclk/1
              12 1  80000204            f9d98a0          softbio/1
              11 1  80000204            f9d9c20          softnet/1
              10 1  80000205            f9ca000             idle/1
               9 3       204            f9ca380           pmfevent pmfevent
               8 2       204            f9ca700              vrele
               7 3  80000204            f9caa80            xcall/0 xcall
               6 1  80000204            f9cae00          softser/0
               5 1  80000204            f9cb180          softclk/0
               4 1  80000204            f9cb500          softbio/0
               3 1  80000204            f9cb880          softnet/0
               2 7  a0000205            f9cbc00             idle/0
               1 3       204            181bce0            swapper schedule
db{1}> machine cpu 0
db{0}> machine prom
Type  'go' to resume
{0} ok      


Home | Main Index | Thread Index | Old Index