Date: Mon, 16 Mar 2015 14:03:39 -0400 From: Shawn Webb <shawn.webb@hardenedbsd.org> To: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: sbuf-related panic Message-ID: <1426529019.4766.1.camel@hardenedbsd.org>
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On amd64, doing a Poudriere run. On r280133:
(kgdb) bt
#0 doadump (textdump=3DUnhandled dwarf expression opcode 0x93
) at pcpu.h:219
#1 0xffffffff809726a5 in kern_reboot (howto=3DUnhandled dwarf expression o=
pcode 0x93
) at /usr/src/sys/kern/kern_shutdown.c:448
#2 0xffffffff80972c98 in vpanic (fmt=3D<value optimized out>, ap=3D<value =
optimized out>) at /usr/src/sys/kern/kern_shutdown.c:747
#3 0xffffffff80972ac2 in kassert_panic (fmt=3D<value optimized out>) at /u=
sr/src/sys/kern/kern_shutdown.c:635
#4 0xffffffff809bd5bd in sbuf_delete (s=3D0xfffffe085d468750) at /usr/src/=
sys/kern/subr_sbuf.c:103
#5 0xffffffff809669dd in sysctl_kern_proc_args (oidp=3D<value optimized ou=
t>, arg1=3D<value optimized out>, arg2=3D<value optimized out>, req=3D0xfff=
ffe085d468868) at /usr/src/sys/kern/kern_proc.c:1858
#6 0xffffffff8097e7b4 in sysctl_root_handler_locked (oid=3D0xffffffff81533=
738, arg1=3D0xfffffe085d46893c, arg2=3D1, req=3D0xfffffe085d468868) at /usr=
/src/sys/kern/kern_sysctl.c:183
#7 0xffffffff8097e038 in sysctl_root (arg1=3D<value optimized out>, arg2=
=3D<value optimized out>) at /usr/src/sys/kern/kern_sysctl.c:1660
#8 0xffffffff8097e5b2 in userland_sysctl (td=3D<value optimized out>, name=
=3D0xfffffe085d468930, namelen=3D<value optimized out>, old=3D<value optimi=
zed out>, oldlenp=3D<value optimized out>, inkernel=3D<value optimized out>=
,=20
new=3D<value optimized out>, newlen=3D<value optimized out>, retval=3D<=
value optimized out>, flags=3D0) at /usr/src/sys/kern/kern_sysctl.c:1764
#9 0xffffffff8097e3e4 in sys___sysctl (td=3D0xfffff802521324b0, uap=3D0xff=
fffe085d468a40) at /usr/src/sys/kern/kern_sysctl.c:1690
#10 0xffffffff80da1bca in amd64_syscall (td=3D0xfffff802521324b0, traced=3D=
0) at subr_syscall.c:133
#11 0xffffffff80d7f3cb in Xfast_syscall () at /usr/src/sys/amd64/amd64/exce=
ption.S:395
#12 0x000002759e502b7a in ?? ()
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