[Bug 221151] panic: tdsendsignal(): invalid signal 0

Tue Aug 1 14:10:43 UTC 2017

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221151

            Bug ID: 221151
           Summary: panic: tdsendsignal(): invalid signal 0
           Product: Base System
           Version: 11.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: nbe at renzel.net

Created attachment 184914
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=184914&action=edit
tar.gz archive of the /var/crash folder (excluding core files)

Hi,

during execution of a new tool "sandsifter" - here's the feature report:

    https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221132

I get kernel panics that all look the same to me:
------------------------------------------------------------------------------
capetown.renzel.net dumped core - see /var/crash/vmcore.0

Tue Aug  1 13:57:11 CEST 2017

FreeBSD capetown.renzel.net 11.1-RELEASE FreeBSD 11.1-RELEASE #7 r321628M: Mon
Jul 31 09:13:21 CEST 2017    
root at capetown.renzel.net:/usr/obj/usr/src/sys/GENERIC  amd64

panic: tdsendsignal(): invalid signal 0

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Reading symbols from /boot/kernel/kernel...Reading symbols from
/usr/lib/debug//boot/kernel/kernel.debug...done.
done.

Unread portion of the kernel message buffer:
panic: tdsendsignal(): invalid signal 0
cpuid = 3
KDB: stack backtrace:
#0 0xffffffff80aada97 at kdb_backtrace+0x67
#1 0xffffffff80a6bb76 at vpanic+0x186
#2 0xffffffff80a6b9e3 at panic+0x43
#3 0xffffffff80a71bbd at tdsendsignal+0xcbd
#4 0xffffffff80a70be4 at trapsignal+0x184
#5 0xffffffff80edf3cd at trap+0x58d
#6 0xffffffff80ec3671 at calltrap+0x8
Uptime: 5h3m50s
Dumping 903 out of 16282 MB:..2%..11%..22%..31%..41%..52%..61%..71%..82%..91%

Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
/usr/lib/debug//boot/kernel/zfs.ko.debug...done.
done.
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from
/usr/lib/debug//boot/kernel/opensolaris.ko.debug...done.
done.
Reading symbols from /boot/kernel/uhid.ko...Reading symbols from
/usr/lib/debug//boot/kernel/uhid.ko.debug...done.
done.
Reading symbols from /boot/kernel/pflog.ko...Reading symbols from
/usr/lib/debug//boot/kernel/pflog.ko.debug...done.
done.
Reading symbols from /boot/kernel/pf.ko...Reading symbols from
/usr/lib/debug//boot/kernel/pf.ko.debug...done.
done.
__curthread () at ./machine/pcpu.h:222
222             __asm("movq %%gs:%1,%0" : "=r" (td)
(kgdb) #0  __curthread () at ./machine/pcpu.h:222
#1  doadump (textdump=<optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:298
#2  0xffffffff80a6b6f1 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:366
#3  0xffffffff80a6bbb0 in vpanic (fmt=<optimized out>, ap=0xfffffe0466890780)
    at /usr/src/sys/kern/kern_shutdown.c:759
#4  0xffffffff80a6b9e3 in panic (fmt=<unavailable>)
    at /usr/src/sys/kern/kern_shutdown.c:690
#5  0xffffffff80a71bbd in tdsendsignal (p=0xfffff80044340000, 
    td=0xfffff8004433b560, sig=<optimized out>, ksi=<unavailable>)
    at /usr/src/sys/kern/kern_sig.c:2137
#6  0xffffffff80a70be4 in trapsignal (td=<optimized out>, ksi=<optimized out>)
    at /usr/src/sys/kern/kern_sig.c:2021
#7  0xffffffff80edf3cd in trap (frame=0xfffffe0466890ac0)
    at /usr/src/sys/amd64/amd64/trap.c:578
#8  <signal handler called>
#9  0x000000080121e000 in ?? ()
Backtrace stopped: Cannot access memory at address 0x866800
(kgdb) 
------------------------------------------------------------------------------

I was suggested to inform "kib" about that. If someone needs a core file I can
upload it somewhere - but only on request because it's 1GB large...

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