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From: Linus Torvalds <>
To: Harald Arnesen <>
Cc: Harald Arnesen <>,
	FUJITA Tomonori <>,,,,,
Subject: Re: Latest git oopses during boot
Date: Thu, 7 Feb 2008 14:12:54 -0800 (PST)	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, 7 Feb 2008, Harald Arnesen wrote:
> I'll try applying the patch to a freshly downloaded git-tree.

Ok, good.

> Shall I try another compiler? I have at least these two:
> gcc version 3.4.6 (Ubuntu 3.4.6-6ubuntu2)
> gcc version 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)

I would suggest a patch mis-application problem first (or possibly even 
the patch itself being broken - I simply didn't look very closely at the 
patch, but it *looked* ok).

If it's a compiler bug, it's a pretty big one, and quite frankly, I doubt 
it. Compiler bugs do happen, but they are pretty rare, and they tend to 
have more subtle effects than the one you see. 


> in addition to the self-compiled 4.2.3 I used for the tests.

4.2.3? Really? That's pretty damn recent, and so almost totally untested. 
That does make a compiler bug at least more likely.

So yes, if you already have other compilers installed, you should try 
them. If it really is a compiler bug, it's a really bad one, and you would 
want to let the gcc people know.

Still, I'd double-check that the

	asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);

line was added properly first. You should see it way after the point where 
it did 

	asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;

to initialize it (and both statements should be inside a

	if (ASC_NARROW_BOARD(boardp)) {

conditional - please check that the source code looks sane too).


  reply	other threads:[~2008-02-07 22:13 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-06 16:32 Harald Arnesen
2008-02-06 22:47 ` Andrew Morton
     [not found]   ` <>
2008-02-07 10:02     ` Andrew Morton
2008-02-07 11:14       ` Harald Arnesen
2008-02-07 11:16         ` Christoph Hellwig
2008-02-07 14:32         ` FUJITA Tomonori
     [not found]           ` <>
2008-02-07 18:18             ` Linus Torvalds
     [not found]               ` <>
2008-02-07 21:14                 ` Linus Torvalds
2008-02-07 21:39                   ` Harald Arnesen
2008-02-07 22:12                     ` Linus Torvalds [this message]
2008-02-07 22:24                       ` Harald Arnesen
2008-02-08  0:10                         ` FUJITA Tomonori
2008-02-06 23:06 ` Linus Torvalds

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