[Samba] nmbd crash on z/800 64 bit RHEL v 3.0

[Jim McDonough]

Yeah, I'd have to agree here, not on a mainframe (it would have been 
identified by the hardware), but also, SIGBUS can happen when you get an 
invalid address as well as a SEGV, especially on architectures where there 
are whole chunks of memory you're not allowed to execute, for example. 
I've seen lots of SIGBUSes in my day, but never bad Ram that wasn't 
already identified.

Eric, I'll start up my s390x now and try it out.


----------------------------
Jim McDonough
IBM Linux Technology Center
Samba Team
6 Minuteman Drive
Scarborough, ME 04074
USA

jmcd at us.ibm.com 
jmcd at samba.org

Phone: (207) 885-5565
IBM tie-line: 776-9984




"Eric Wilson" <ewilson at ebiz.cx> 
Sent by: samba-bounces+jmcd=samba.org at lists.samba.org
05/25/04 03:57 PM
Please respond to
ewilson


To
"Gerald (Jerry) Carter" <jerry at samba.org>
cc
samba at lists.samba.org
Subject
Re: [Samba] nmbd crash on z/800 64 bit RHEL v 3.0






Jerry;

No updates were available via up2date.

Bad RAM?  On a mainframe? The RAM is virtual, and shared between 9
instances.  Wouldn't it be unlikley only nmbd on this particular instance
of nine would see bad RAM.

Cheers;

E!

-----------------
Eric Wilson


"There is nothing more frightful than ignorance in action."
-Johann von Goethe, German Playwright
1749-1832


> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Eric Wilson wrote:
> | Ping 2 - Any chance anyone may have seen this before?
> |
> |>[2004/05/17 15:58:16, 0] lib/fault.c:fault_report(36)
> |>  ===============================================================
> |>[2004/05/17 15:58:16, 0] lib/fault.c:fault_report(37)
> |>  INTERNAL ERROR: Signal 7 in pid 6745 (3.0.2-6.3E)
> ~    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> SIGBUS is normall an indication of bad ram.  However,
> I would check with RH for an update since 3.0.2 is
> pretty old now just to be safe.
>
> |>  Please read the appendix Bugs of the Samba HOWTO collection
> |>[2004/05/17 15:58:16, 0] lib/fault.c:fault_report(39)
> |>  ===============================================================
> |>[2004/05/17 15:58:16, 0] lib/util.c:smb_panic(1422)
> |>  PANIC: internal error
> |>[2004/05/17 15:58:16, 0] lib/util.c:smb_panic(1430)
> |>  BACKTRACE: 14 stack frames:
> |>   #0 nmbd [0x155555ef642]
> |>   #1 nmbd [0x155555ef71e]
> |>   #2 [0x1ffffffe750]
>
>
>
>
>
> cheers, jerry
> - ----------------------------------------------------------------------
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