On 8/11/18 9:44 AM, Roman Bogorodskiy wrote:
   Hans Petter Selasky wrote:

On 08/06/18 21:43, Matthew Macy wrote:
The struct thread is typesafe. The problem is that the link is no longer
typesafe now that it’s not part of the thread. Thanks for pointing this
out. I’ll commit a fix later today.

Is there a patch yet?


This was committed in:


However, I've just updated to r337595, and it still panics. Not sure if
that's related to the original issue though:

(kgdb) #0  doadump (textdump=0) at pcpu.h:230
#1  0xffffffff8043ddfb in db_dump (dummy=<value optimized out>,
     dummy2=<value optimized out>, dummy3=<value optimized out>,
     dummy4=<value optimized out>) at /usr/src/sys/ddb/db_command.c:574
#2  0xffffffff8043dbc9 in db_command (cmd_table=<value optimized out>)
     at /usr/src/sys/ddb/db_command.c:481
#3  0xffffffff8043d944 in db_command_loop ()
     at /usr/src/sys/ddb/db_command.c:534
#4  0xffffffff80440b6f in db_trap (type=<value optimized out>,
     code=<value optimized out>) at /usr/src/sys/ddb/db_main.c:252
#5  0xffffffff80bdef83 in kdb_trap (type=9, code=0, tf=<value optimized out>)
     at /usr/src/sys/kern/subr_kdb.c:693
#6  0xffffffff8107aee1 in trap_fatal (frame=0xfffffe00760dc8a0, eva=0)
     at /usr/src/sys/amd64/amd64/trap.c:906
#7  0xffffffff8107a3bd in trap (frame=0xfffffe00760dc8a0) at counter.h:87
#8  0xffffffff81054d05 in calltrap ()
     at /usr/src/sys/amd64/amd64/exception.S:232
#9  0xffffffff80ded513 in inp_gcmoptions (ctx=0xfffff80003079f20)
     at epoch_private.h:188
#10 0xffffffff80bd9cba in epoch_call_task (arg=<value optimized out>)
     at /usr/src/sys/kern/subr_epoch.c:507
#11 0xffffffff80bdd0a9 in gtaskqueue_run_locked (queue=0xfffff800035be900)
     at /usr/src/sys/kern/subr_gtaskqueue.c:332
#12 0xffffffff80bdce28 in gtaskqueue_thread_loop (arg=<value optimized out>)
     at /usr/src/sys/kern/subr_gtaskqueue.c:507
#13 0xffffffff80b530c4 in fork_exit (
     callout=0xffffffff80bdcda0 <gtaskqueue_thread_loop>,
     arg=0xfffffe00061a4038, frame=0xfffffe00760dcac0)
     at /usr/src/sys/kern/kern_fork.c:1057
#14 0xffffffff81055cde in fork_trampoline ()
     at /usr/src/sys/amd64/amd64/exception.S:990
#15 0x0000000000000000 in ?? ()
Current language:  auto; currently minimal

Full core.txt is here: https://people.freebsd.org/~novel/misc/core.20180811.txt

Roman Bogorodskiy

What is the full panic message? Are you loading // unloading any network modules?

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