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Re: kern/58069: Panic when trying to connect tty



Crash version 10.99.10, image version 10.99.10.
crash: _kvm_kvatop(0)
Kernel compiled without options LOCKDEBUG.
System panicked: cpu1: time has not advanced in 1501 heartbeats
Backtrace from time of crash is available.
crash> show all tstiles
  PID   LID          COMMAND      WAITING-FOR     TYPE     WAIT-CHANNEL
  447   447               sh                0       cv ffffa755804d4008
    0   480           system                0       cv ffffa755807f94f0
    0   331           system                0       cv ffffa755805e79c8
    0   310           system                0       cv uvmpd_pool_drain_cv
    0   309           system                0    sleep        uvm+0x188
    0   306           system                0       cv ffffa7557fed8348
    0   684           system                0       cv ffffa7557fe941c0
    0   683           system                0       cv ffffa7557f1e8f40
    0   681           system                0       cv ffffa7557f1e8d00
    0   680           system                0       cv ffffa7557fdb4708
    0   679           system                0       cv ffffa7557fb90588
    0   678           system                0       cv    unp_thread_cv
    0   293           system                0       cv ffffa7557fb90448
    0   676           system                0       cv ffffa7557fce4788
    0   291           system                0       cv ffffa7557fce4748
    0   290           system                0       cv ffffa7557fce4708
    0   289           system                0       cv ffffa7557fce46c8
    0   288           system                0       cv ffffa7557fce4688
    0   415           system                0       cv ffffa7557fce4648
    0   414           system                0       cv ffffa7557fce4608
    0   413           system                0       cv ffffa7557fce45c8
    0   412           system                0       cv ffffa7557fce4588
    0   411           system                0       cv ffffa7557fce4548
    0   410           system                0       cv ffffa7557fce4508
    0   409           system                0       cv ffffa7557fce44c8
    0   408           system                0       cv ffffa7557fb90308
    0   407           system                0       cv ffffa7557fc76a48
    0   406           system                0       cv ffffa7557fc76a08
    0   405           system                0       cv ffffa7557fc769c8
    0   404           system                0       cv ffffa7557fc76988
    0   403           system                0       cv ffffa7557fc76948
    0   402           system                0       cv ffffa7557fc76908
    0   401           system                0       cv ffffa7557fc768c8
    0   400           system                0       cv ffffa7557fc76888
    0   399           system                0       cv ffffa7557fc76848
    0   398           system                0       cv ffffa7557fc76808
    0   397           system                0       cv ffffa7557fc767c8
    0   396           system                0       cv ffffa7557fc76788
    0   395           system                0       cv ffffa7557fc33a08
    0   394           system                0       cv ffffa7557fc339c8
    0   393           system                0       cv ffffa7557fc33988
    0   392           system                0       cv ffffa7557fc33948
    0   391           system                0       cv ffffa7557fc33908
    0   390           system                0       cv ffffa7557fc338c8
    0   389           system                0       cv ffffa7557fc33888
    0   388           system                0       cv ffffa7557fc33848
    0   387           system                0       cv ffffa7557fc33808
    0   386           system                0       cv ffffa7557fc337c8
    0   385           system                0       cv ffffa7557fc33788
    0   384           system                0       cv ffffa7557fc33748
    0   296           system                0       cv ffffa7557fbd4888
    0   299           system                0       cv ffffa7557fbd4848
    0    31           system                0       cv ffffa7557fbd4808
    0    63           system                0       cv ffffa7557fbd47c8
    0   190           system                0       cv ffffa7557fbd4788
    0   127           system                0       cv ffffa7557fbd4748
    0   254           system                0       cv ffffa7557fbd4708
    0   189           system                0       cv ffffa7557fbd46c8
    0   188           system                0       cv ffffa7557fbd4688
    0   187           system                0       cv ffffa7557fbd4648
    0   186           system                0       cv ffffa7557fbd4608
    0   185           system                0       cv ffffa7557fbd45c8
    0   184           system                0       cv ffffa7557fb901c8
    0   182           system                0       cv ffffa7557f945978
    0   181           system                0       cv ffffa7557f9454c0
    0   177           system                0       cv ffffa7557ef104c0
    0   176           system                0       cv ffffa7557f137978
    0   174           system                0       cv ffffa7557f991848
    0   165           system                0   kpause ffffa7557fa11000
    0   163           system                0       cv ffffac8042253ba0
    0   162           system                0       cv ffffac80422533b0
    0   161           system                0       cv ffffac8042252bc0
    0   160           system                0       cv ffffac80422523d0
    0    95           system                0       cv ffffac8042251be0
    0   221           system                0       cv   usb_taskq+0x58
    0   220           system                0       cv   usb_taskq+0x18
    0   219           system                0       cv ffffac8830857010
    0   213           system                0       cv ffffac883081a010
    0   207           system                0       cv ffffac88307dd010
    0   201           system                0       cv ffffac88307a0010
    0   195           system                0       cv ffffac8830763010
    0   123           system                0       cv ffffac8830726010
    0   117           system                0       cv ffffac88306e9010
    0   111           system                0       cv ffffac88306ac010
    0   105           system                0       cv ffffac883066f010
    0    99           system                0       cv ffffac8830632010
    0    28           system                0       cv ffffac882fc86010
    0    22           system                0       cv ffffa75c4bdaee08
    0    21           system                0       cv ffffa75c4bdaed08
    0    20           system                0       cv ffffa75c4bdaec08
    0    19           system                0       cv ffffa75c4bdaeb08
    0    18           system                0       cv ffffa75c4bdaea08
    0    17           system                0       cv           gc+0x8
    0    16           system                0       cv sysmon_task_queue_cv
    0    15           system                0       cv ffffa75c4ad646c8
    0    14           system                0       cv ffffa75c4ad64588
    0    13           system                0       cv pendfree_thread_cv
    0    12           system                0       cv ffffa75c4ad64448
    0    11           system                0       cv ffffa75c4ad64308
    0    10           system                0       cv ffffa75c4ad641c8
    0     9           system                0       cv ffffa75c4bdae728
    0     8           system                0       cv module_thread_cv
0 7 system 0 cv cpu_info_primary+0x10
    0     0           system                0   kpause             lwp0
crash> bt/a ffffa755807c9c00
trace: pid 556 lid 556 at 0xffffffff8069dab2
comintr() at comintr+0x313
crash> bt/a ffffa7558000e400
trace: pid 0 lid 311 at 0xffffac88411ddc60
bdev_strategy() at bdev_strategy+0xe6
spec_strategy() at spec_strategy+0x6e
VOP_STRATEGY() at VOP_STRATEGY+0x3c
dkstart() at dkstart+0x13e
bdev_strategy() at bdev_strategy+0x81
spec_strategy() at spec_strategy+0x6e
VOP_STRATEGY() at VOP_STRATEGY+0x3c
bwrite() at bwrite+0x1e5
VOP_BWRITE() at VOP_BWRITE+0x5b
vflushbuf() at vflushbuf+0xd2
ffs_vfs_fsync() at ffs_vfs_fsync+0x106
spec_fsync() at spec_fsync+0x4a
VOP_FSYNC() at VOP_FSYNC+0x47
sched_sync() at sched_sync+0x273
crash> bt/a ffffa7557fb68400
trace: pid 0 lid 178 at 0xffffac8840e3cf80
sleepq_block() at sleepq_block+0x298
cv_timedwait() at cv_timedwait+0xde
usb_event_thread() at usb_event_thread+0x96
crash> bt/a ffffa7557fb3c800
trace: pid 0 lid 175 at 0xffffac8840e27f80
sleepq_block() at sleepq_block+0x298
cv_timedwait() at cv_timedwait+0xde
usb_event_thread() at usb_event_thread+0x96
crash> bt/a ffffa7557ede5c00
trace: pid 0 lid 122 at 0xffffac8830726000
_KERNEL_OPT_MEMORY_RBFLAGS() at ffffa7557ed43880
crash> bt/a ffffa7557ede5800
trace: pid 0 lid 121 at 0xffffac88307510e0
softint_dispatch() at softint_dispatch+0x112
DDB lost frame for Xsoftintr+0x4c, trying 0xffffac88307510f0
Xsoftintr() at Xsoftintr+0x4c
--- interrupt ---
0:
crash> bt/a ffffa7557ed56000
trace: pid 0 lid 115 at 0xffffac88306e9000
_KERNEL_OPT_MEMORY_RBFLAGS() at ffffa7557ebdef40



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