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



The following reply was made to PR kern/58069; it has been noted by GNATS.

From: triaxx%NetBSD.org@localhost
To: Taylor R Campbell <riastradh%NetBSD.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, netbsd-bugs%NetBSD.org@localhost
Subject: Re: kern/58069: Panic when trying to connect tty
Date: Sat, 23 Mar 2024 20:25:06 +0100

 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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