linux-kernel - Re: Oops when using growisofs

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Date:	Mon, 23 Jun 2008 00:09:45 +0200
From:	Michael Buesch <mb@...sch.de>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: Oops when using growisofs

On Sunday 22 June 2008 23:31:29 Arnd Bergmann wrote:
> On Sunday 22 June 2008, Arnd Bergmann wrote:
> 
> > Evidently, alloc_page_buffers got an out of memory condition, which was not caught
> > by create_empty_buffers. No idea how it should be handled, but the fact that it's
> > not looks like a bug to me ;-).
> 
> Oh, btw: http://www.kerneloops.org/search.php?search=create_empty_buffers&btnG=Function+Search
> finds 15 more instances of the same bug (and one other bug), across lots of
> kernel versions and architectures. The bug has been there since we started
> using git.

So, ehm. Maybe some debugging code should be added??
We could at least add code that prevents a crash and adds WARN_ONs.


-- 
Greetings Michael.
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