Date: Fri, 29 Aug 2014 19:50:28 -0500 From: Larry Rosenman <ler@lerctr.org> To: Adrian Chadd <adrian@freebsd.org> Cc: svn-src-all@freebsd.org, svn-committers-src@freebsd.org, mjg@freebsd.org Subject: Re: svn commit: r270745 - in head: bin/ps sys/compat/freebsd32 sys/kern sys/sys Message-ID: <20140830005028.GA1881@borg.lerctr.org> In-Reply-To: <CAJ-Vmo=M=JoV8DxZkG4ghj88r8fpUSAnOiFvdcur26Hs=0eAPQ@mail.gmail.com> References: <201408280841.s7S8fC6X012986@svn.freebsd.org> <CAJ-Vmo=M=JoV8DxZkG4ghj88r8fpUSAnOiFvdcur26Hs=0eAPQ@mail.gmail.com>
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On Fri, Aug 29, 2014 at 05:07:51PM -0700, Adrian Chadd wrote:
> Hi!
>
> So I'm now getting panics in the process coredump path on -HEAD. The
> proctree lock isn't held.
>
> Assertion : proctree not locked @ kern_proc.c:795
>
> path:
>
> sigexit() -> elf64_coredump() -> elf64_note_procstat_proc() ->
> kern_proc_out() -> fill_kinfo_proc() -> panic.
>
> What did you peeps do this time? :P
>
>
>
> -a
Here's my similar one...
borg.lerctr.org dumped core - see /var/crash/vmcore.0
Fri Aug 29 18:34:26 CDT 2014
FreeBSD borg.lerctr.org 11.0-CURRENT FreeBSD 11.0-CURRENT #1 r270811M: Fri Aug 29 16:33:32 CDT 2014 root@borg.lerctr.org:/usr/obj/usr/src/sys/VT-LER amd64
panic: Lock proctree not locked @ /usr/src/sys/kern/kern_proc.c:795
GNU gdb 6.1.1 [FreeBSD]
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This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
panic: Lock proctree not locked @ /usr/src/sys/kern/kern_proc.c:795
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe100c63fd50
kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe100c63fe00
vpanic() at vpanic+0x189/frame 0xfffffe100c63fe80
panic() at panic+0x43/frame 0xfffffe100c63fee0
_sx_assert() at _sx_assert+0x137/frame 0xfffffe100c63fef0
fill_kinfo_proc() at fill_kinfo_proc+0x3c/frame 0xfffffe100c63ff30
kern_proc_out() at kern_proc_out+0x67/frame 0xfffffe100c6406c0
elf32_note_procstat_proc() at elf32_note_procstat_proc+0x79/frame 0xfffffe100c640700
elf32_coredump() at elf32_coredump+0x9e2/frame 0xfffffe100c640810
sigexit() at sigexit+0xadb/frame 0xfffffe100c640ac0
postsig() at postsig+0x3c8/frame 0xfffffe100c640bb0
ast() at ast+0x327/frame 0xfffffe100c640bf0
doreti_ast() at doreti_ast+0x1f/frame 0xffffccd0
Uptime: 2m50s
Dumping 2545 out of 64456 MB: (CTRL-C to abort) ..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
Reading symbols from /boot/kernel/linux.ko.symbols...done.
Loaded symbols for /boot/kernel/linux.ko.symbols
Reading symbols from /boot/kernel/if_lagg.ko.symbols...done.
Loaded symbols for /boot/kernel/if_lagg.ko.symbols
Reading symbols from /boot/kernel/snd_envy24ht.ko.symbols...done.
Loaded symbols for /boot/kernel/snd_envy24ht.ko.symbols
Reading symbols from /boot/kernel/snd_spicds.ko.symbols...done.
Loaded symbols for /boot/kernel/snd_spicds.ko.symbols
Reading symbols from /boot/kernel/coretemp.ko.symbols...done.
Loaded symbols for /boot/kernel/coretemp.ko.symbols
Reading symbols from /boot/kernel/ichsmb.ko.symbols...done.
Loaded symbols for /boot/kernel/ichsmb.ko.symbols
Reading symbols from /boot/kernel/smbus.ko.symbols...done.
Loaded symbols for /boot/kernel/smbus.ko.symbols
Reading symbols from /boot/kernel/ichwd.ko.symbols...done.
Loaded symbols for /boot/kernel/ichwd.ko.symbols
Reading symbols from /boot/kernel/cpuctl.ko.symbols...done.
Loaded symbols for /boot/kernel/cpuctl.ko.symbols
Reading symbols from /boot/kernel/crypto.ko.symbols...done.
Loaded symbols for /boot/kernel/crypto.ko.symbols
Reading symbols from /boot/kernel/cryptodev.ko.symbols...done.
Loaded symbols for /boot/kernel/cryptodev.ko.symbols
Reading symbols from /boot/kernel/dtraceall.ko.symbols...done.
Loaded symbols for /boot/kernel/dtraceall.ko.symbols
Reading symbols from /boot/kernel/profile.ko.symbols...done.
Loaded symbols for /boot/kernel/profile.ko.symbols
Reading symbols from /boot/kernel/cyclic.ko.symbols...done.
Loaded symbols for /boot/kernel/cyclic.ko.symbols
Reading symbols from /boot/kernel/dtrace.ko.symbols...done.
Loaded symbols for /boot/kernel/dtrace.ko.symbols
Reading symbols from /boot/kernel/systrace_freebsd32.ko.symbols...done.
Loaded symbols for /boot/kernel/systrace_freebsd32.ko.symbols
Reading symbols from /boot/kernel/systrace.ko.symbols...done.
Loaded symbols for /boot/kernel/systrace.ko.symbols
Reading symbols from /boot/kernel/sdt.ko.symbols...done.
Loaded symbols for /boot/kernel/sdt.ko.symbols
Reading symbols from /boot/kernel/lockstat.ko.symbols...done.
Loaded symbols for /boot/kernel/lockstat.ko.symbols
Reading symbols from /boot/kernel/fasttrap.ko.symbols...done.
Loaded symbols for /boot/kernel/fasttrap.ko.symbols
Reading symbols from /boot/kernel/fbt.ko.symbols...done.
Loaded symbols for /boot/kernel/fbt.ko.symbols
Reading symbols from /boot/kernel/dtnfscl.ko.symbols...done.
Loaded symbols for /boot/kernel/dtnfscl.ko.symbols
Reading symbols from /boot/kernel/dtmalloc.ko.symbols...done.
Loaded symbols for /boot/kernel/dtmalloc.ko.symbols
Reading symbols from /boot/modules/vboxdrv.ko...done.
Loaded symbols for /boot/modules/vboxdrv.ko
Reading symbols from /boot/modules/nvidia.ko...done.
Loaded symbols for /boot/modules/nvidia.ko
Reading symbols from /boot/kernel/ipmi.ko.symbols...done.
Loaded symbols for /boot/kernel/ipmi.ko.symbols
Reading symbols from /boot/kernel/ipmi_linux.ko.symbols...done.
Loaded symbols for /boot/kernel/ipmi_linux.ko.symbols
Reading symbols from /boot/kernel/radeonkms.ko.symbols...done.
Loaded symbols for /boot/kernel/radeonkms.ko.symbols
Reading symbols from /boot/kernel/iicbb.ko.symbols...done.
Loaded symbols for /boot/kernel/iicbb.ko.symbols
Reading symbols from /boot/kernel/iicbus.ko.symbols...done.
Loaded symbols for /boot/kernel/iicbus.ko.symbols
Reading symbols from /boot/kernel/iic.ko.symbols...done.
Loaded symbols for /boot/kernel/iic.ko.symbols
Reading symbols from /boot/kernel/drm2.ko.symbols...done.
Loaded symbols for /boot/kernel/drm2.ko.symbols
Reading symbols from /boot/kernel/radeonkmsfw_R100_cp.ko.symbols...done.
Loaded symbols for /boot/kernel/radeonkmsfw_R100_cp.ko.symbols
Reading symbols from /boot/kernel/fdescfs.ko.symbols...done.
Loaded symbols for /boot/kernel/fdescfs.ko.symbols
Reading symbols from /boot/kernel/uhid.ko.symbols...done.
Loaded symbols for /boot/kernel/uhid.ko.symbols
Reading symbols from /boot/modules/vboxnetflt.ko...done.
Loaded symbols for /boot/modules/vboxnetflt.ko
Reading symbols from /boot/kernel/netgraph.ko.symbols...done.
Loaded symbols for /boot/kernel/netgraph.ko.symbols
Reading symbols from /boot/kernel/ng_ether.ko.symbols...done.
Loaded symbols for /boot/kernel/ng_ether.ko.symbols
Reading symbols from /boot/modules/vboxnetadp.ko...done.
Loaded symbols for /boot/modules/vboxnetadp.ko
#0 doadump (textdump=1) at pcpu.h:219
219 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) #0 doadump (textdump=1) at pcpu.h:219
#1 0xffffffff80a15227 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:447
#2 0xffffffff80a157c8 in vpanic (fmt=<value optimized out>,
ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:746
#3 0xffffffff80a15813 in panic (fmt=0x0)
at /usr/src/sys/kern/kern_shutdown.c:675
#4 0xffffffff80a1ce47 in _sx_assert (sx=0x0, what=<value optimized out>,
file=0x0, line=0) at /usr/src/sys/kern/kern_sx.c:1086
#5 0xffffffff80a0611c in fill_kinfo_proc (p=0xfffff80257916000,
kp=0xfffffe100c640250) at /usr/src/sys/kern/kern_proc.c:795
#6 0xffffffff80a06cc7 in kern_proc_out (p=0xfffff80257916000,
sb=0xfffff800241c8400, flags=2) at /usr/src/sys/kern/kern_proc.c:1205
#7 0xffffffff809c0709 in elf32_note_procstat_proc (
arg=<value optimized out>, sb=<value optimized out>,
sizep=0xfffff80024267dd8) at imgact_elf.c:1787
#8 0xffffffff809bea02 in elf32_coredump (td=<value optimized out>,
vp=0xfffff802708f9000, limit=<value optimized out>, flags=0)
at imgact_elf.c:1618
#9 0xffffffff80a18c4b in sigexit (td=0xfffff80270e5d000, sig=11)
at /usr/src/sys/kern/kern_sig.c:3297
#10 0xffffffff80a19318 in postsig (sig=<value optimized out>)
at /usr/src/sys/kern/kern_sig.c:2837
#11 0xffffffff80a60727 in ast (framep=<value optimized out>)
at /usr/src/sys/kern/subr_trap.c:275
#12 0xffffffff80e08e09 in doreti_ast ()
at /usr/src/sys/amd64/amd64/exception.S:676
#13 0x000000000814f470 in ?? ()
#14 0x000000000814f430 in ?? ()
#15 0x0000000000000000 in ?? ()
Current language: auto; currently minimal
(kgdb)
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 E-Mail: ler@lerctr.org
US Mail: 108 Turvey Cove, Hutto, TX 78634-5688
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