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Date: Wed, 12 Mar 2008 10:21:29 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>
Cc: "Larry Scheer" <larry.scheer@onstor.com>, "Tim Gardner"
 <tim.gardner@onstor.com>, "Mike Lee" <mike.lee@onstor.com>
Subject: Re: PERFORCE change 28304 for review
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On Wed, 12 Mar 2008 09:52:28 -0700 "Maxim Kozlovsky"
<maxim.kozlovsky@onstor.com> wrote:

> 
> Why would the segfault within the C library produce a corrupt core
> file?

You seem very curious about this, Max.  There is a bug filed for it.  I
will assign it to you so you can indulge your curiosity.


> >-----Original Message-----
> >From: Andy Sharp
> >Sent: Wednesday, March 12, 2008 9:48 AM
> >To: Maxim Kozlovsky
> >Cc: Larry Scheer; Tim Gardner; Mike Lee
> >Subject: Re: PERFORCE change 28304 for review
> >
> >On Wed, 12 Mar 2008 08:49:09 -0700 "Maxim Kozlovsky"
> ><maxim.kozlovsky@onstor.com> wrote:
> >
> >> Huh?
> >>
> >> Man malloc:
> >> "If MALLOC_CHECK_ is set to 0, any detected heap corruption is
> >> silently ignored"
> >>
> >> How does that enable us to collect more meaningful core files?
> >
> >Man pages aren't code.  Feel free to look at the code and figure out
> >why.  Without it, certain types of segfaults within the C library
> >leave us with a corrupt core file.
> >
> >
> >
> >> >-----Original Message-----
> >> >From: Larry Scheer
> >> >Sent: Tuesday, March 11, 2008 9:55 PM
> >> >To: Amit Bothra; Andy Sharp; Brian DeForest; Charissa Willard;
> >> >Chris Vandever; Deepak Veliath; Eric Barrett; Ian Brown; Jobi
> >> >Ariyamannil; Jonathan Goldick; Ken Renshaw; Larry Scheer; Maxim
> >> >Kozlovsky; Narain Ramadass; Sandrine Boulanger; Svati Chandra;
> >> >Tim Gardner Subject: PERFORCE change 28304 for review
> >> >
> >> >Change 28304 by larrys@larrys-r14-dmip on 2008/03/11 21:50:40
> >> >
> >> >	 TED00022699 Cougar - vsd core  pm_sig_handler
> >> >
> >> >	 Creating /etc/default/onstor in Linux root filesystem.
> >> >	 Setting MALLOC_CHECK_=0 so we can collect more meaningful
> >> >	 core files.
> >> >
> >> >	 Updated linux/rootfs/Makefile to
> >> >	install /etc/default/onstor. Reviewed by: TimG
> >> >
> >> >Affected files ...
> >> >
> >> >... //depot/dev/linux/rootfs/Makefile#24 edit
> >> >... //depot/dev/linux/rootfs/etc/default/onstor#1 add
> >> >
> >> >
> >> >http://liszt:1818/@md=d&cd=//depot/$c=G35@/28304?ac=10
