firefox is stuck in getbuf()

[David Xu]

With newest -HEAD code, firefox is stuck in getbuf().

top

last pid:  1814;  load averages:  0.00,  0.05,  0.07 
 
                                         up 0+00:37:11  10:54:01
135 processes: 1 running, 134 sleeping
CPU:  3.7% user,  0.0% nice,  0.6% system,  0.0% interrupt, 95.7% idle
Mem: 259M Active, 393M Inact, 151M Wired, 1484K Cache, 111M Buf, 186M Free
Swap: 2020M Total, 2020M Free

   PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU 
COMMAND
  1427 davidxu       1  45    0   114M   101M select  0   1:24  0.29% Xorg
  1588 davidxu      10  44    0   279M   145M getbuf  0   2:15  0.00% 
firefox-bin


procstat  -k 1588
   PID    TID COMM             TDNAME           KSTACK 

  1588 100200 firefox-bin      initial thread   mi_switch sleepq_switch 
sleepq_wait _sleep getdirtybuf flush_deplist softdep_sync_metadata 
ffs_syncvnode ffs_fsync VOP_FSYNC_APV fsync syscallenter syscall 
Xint0x80_syscall
  1588 100207 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_wait_sig _cv_wait_sig seltdwait poll 
syscallenter syscall Xint0x80_syscall
  1588 100208 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_wait_sig _sleep __umtx_op_cv_wait _umtx_op 
syscallenter syscall Xint0x80_syscall
  1588 100209 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_timedwait_sig _sleep __umtx_op_cv_wait 
_umtx_op syscallenter syscall Xint0x80_syscall
  1588 100210 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_timedwait_sig _sleep __umtx_op_cv_wait 
_umtx_op syscallenter syscall Xint0x80_syscall
  1588 100216 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_wait_sig _sleep __umtx_op_cv_wait _umtx_op 
syscallenter syscall Xint0x80_syscall
  1588 100220 firefox-bin      -                mi_switch sleepq_switch 
sleepq_wait _sleep getdirtybuf flush_deplist softdep_sync_metadata 
ffs_syncvnode ffs_fsync VOP_FSYNC_APV fsync syscallenter syscall 
Xint0x80_syscall
  1588 100238 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_wait_sig _sleep __umtx_op_cv_wait _umtx_op 
syscallenter syscall Xint0x80_syscall
  1588 100239 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_wait_sig _sleep __umtx_op_cv_wait _umtx_op 
syscallenter syscall Xint0x80_syscall
  1588 100240 firefox-bin      -                mi_switch sleepq_switch 
sleepq_catch_signals sleepq_wait_sig _sleep __umtx_op_cv_wait _umtx_op 
syscallenter syscall Xint0x80_syscall