linux-kernel - Re: [Regression] Crash in load

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Date:	Wed, 26 May 2010 08:41:08 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Brandon Philips <brandon@...p.org>,
	Jon Masters <jonathan@...masters.org>
Subject: Re: [Regression] Crash in load_module() while freeing args



On Wed, 26 May 2010, Rusty Russell wrote:
> 
> So then we have the problem that crc32 is finished its init and needs the
> lock back, and bnx2x which needs crc32 is waiting for it.  We could just
> fail bnx2x; and in fact, we did prior to this patch (we timeout) and it breaks
> network on booting on some box according to Brandon:

So the sane thing to do seems to simply not get that mutex_lock after a 
successful init. Which probably implies having a new lock for the actual 
low-level symbol table stuff.

		Linus
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