linux-kernel - Re: [PATCH] coredump: Retry writes where appropriate

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Date:	Mon, 1 Jun 2009 22:34:55 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	paul@...-scientist.net
Cc:	Oleg Nesterov <oleg@...hat.com>, linux-kernel@...r.kernel.org,
	stable@...nel.org, Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Roland McGrath <roland@...hat.com>
Subject: Re: [PATCH] coredump: Retry writes where appropriate

> If it's interactive, can't the user ^Z (SIGSTOP)

^Z is SIGTSTP but that would be one way to implement it although I think
it might need a bit more work than just setting masks.

> Yes, you need a shell with job control but... at some point we have to
> just say it is what it is!  Core dumps are not just annoying time/disk
> space wasters, they have real value; a good core dump can save tens of
> thousands of dollars or more in support and development costs.  We need
> (a way for) them to be reliable, even if it costs some interactive
> ease-of-use.
> 
> Anyway, that's my opinion :-)

And there we get into policy and preference rather than technical debate
- no right answers 8(
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