Hi Steve,
I'm cross-posting this to the illumos developer list as I think you'll
find your target audience is probably there.
You don't seem to mention which version of OI you're using (unless I
missed it).
Regards,
Jon
On 22/09/2011 21:57, Steve Gonczi wrote:
Greetings folks,
I have recently seen some fmd crashes, basically fmd running out of memory
and shutting down.
Prompted me to look at the fmd code, and I am wondering if this
notification
is the way the designer intended it:
2
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#632>*void*
633
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#633>fmd_module_gc
<http://src.opensolaris.org/source/s?refs=fmd_module_gc&project=onnv>(fmd_module_t
<http://src.opensolaris.org/source/s?defs=fmd_module_t&project=onnv> *mp
<http://src.opensolaris.org/source/s?defs=mp&project=onnv>)
634
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#634>{
635
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#635>
fmd_hdl_info_t <http://src.opensolaris.org/source/s?defs=fmd_hdl_info_t&project=onnv> *info
<http://src.opensolaris.org/source/s?refs=info&project=onnv>;
636
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#636>
fmd_event_t <http://src.opensolaris.org/source/s?defs=fmd_event_t&project=onnv> *e;
637
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#637>
638
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#638>
*if* (mp <http://src.opensolaris.org/source/s?defs=mp&project=onnv>->mod_error
<http://src.opensolaris.org/source/s?defs=mod_error&project=onnv> !=0)
639
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#639>
*return*;/* do not do anything if the module has failed */
640
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#640>
641
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#641>
fmd_module_lock
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#fmd_module_lock>(mp
<http://src.opensolaris.org/source/s?defs=mp&project=onnv>);
642
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#642>
643 <http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#643> *if*
((info <http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#info> =mp
<http://src.opensolaris.org/source/s?defs=mp&project=onnv>->mod_info
<http://src.opensolaris.org/source/s?defs=mod_info&project=onnv>) !=NULL
<http://src.opensolaris.org/source/s?defs=NULL&project=onnv>) {
644 <http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#644>
fmd_serd_hash_apply <http://src.opensolaris.org/source/s?defs=fmd_serd_hash_apply&project=onnv>(&mp
<http://src.opensolaris.org/source/s?defs=mp&project=onnv>->mod_serds
<http://src.opensolaris.org/source/s?defs=mod_serds&project=onnv>,
645
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#645>
(fmd_serd_eng_f <http://src.opensolaris.org/source/s?defs=fmd_serd_eng_f&project=onnv>
*)fmd_serd_eng_gc <http://src.opensolaris.org/source/s?defs=fmd_serd_eng_gc&project=onnv>,NULL
<http://src.opensolaris.org/source/s?defs=NULL&project=onnv>);
646
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#646>
}
647
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#647>
648
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#648>
fmd_module_unlock
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#fmd_module_unlock>(mp
<http://src.opensolaris.org/source/s?defs=mp&project=onnv>);
649
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#649>
!!!!!! The question is: what this FMD_EVT_GC supposed to signify?
My sense is that this is just to record the fact that the
garbage collection was kicked off.
If that is the case, it clearly gets called too many times,
since fmd_module_gc is a callback function, and
it repeatedly gets called from fmd_modhash_apply() in a double
loop.
!!!!!!
650
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#650>
*if* (info
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#info>
!=NULL <http://src.opensolaris.org/source/s?defs=NULL&project=onnv>) {
651 <http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#651> e
=fmd_event_create <http://src.opensolaris.org/source/s?defs=fmd_event_create&project=onnv>(FMD_EVT_GC
<http://src.opensolaris.org/source/s?defs=FMD_EVT_GC&project=onnv>,FMD_HRT_NOW
<http://src.opensolaris.org/source/s?defs=FMD_HRT_NOW&project=onnv>,NULL
<http://src.opensolaris.org/source/s?defs=NULL&project=onnv>,NULL
<http://src.opensolaris.org/source/s?defs=NULL&project=onnv>);
652
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#652>
fmd_eventq_insert_at_head
<http://src.opensolaris.org/source/s?defs=fmd_eventq_insert_at_head&project=onnv>(mp
<http://src.opensolaris.org/source/s?defs=mp&project=onnv>->mod_queue
<http://src.opensolaris.org/source/s?defs=mod_queue&project=onnv>, e);
653
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#653>
}
654
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#654>}
655
<http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/cmd/fm/fmd/common/fmd_module.c#655>
The stack looks like:
debugging core file of fmd (32-bit) from nrchbs-s1194
file: /usr/lib/fm/fmd/fmd
initial argv: /usr/lib/fm/fmd/fmd
..
status: process terminated by SIGABRT (Abort), pid=533 uid=0 code=-1
> ::stack
...
fmd_vpanic+0x125(8086f5c, fdb4ee44, fdb4ee48, c)
fmd_panic+0x12(8086f5c, c, 3e8, 8070c8c)
fmd_alloc+0xc7(c)
fmd_eventq_insert_at_head+
0x2c(8413d88, 907df18, 0, feeb9c76)
fmd_module_gc+0x6b(86eb440, 0, 1284885e, feec2c1f)
fmd_modhash_apply+0x3c(83f6428, 8075fe4, fdb4ef48, 85fa248)
fmd_gc+0x27(809d840)
fmd_timerq_exec+0x109(85fa240, 0, 8, fef62440)
...
TIA for any comments, should someone have any.
Steve
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