Re: sym53c8xx: WARNING on module unload, crashes on further usage

Nikola Ciprich
2009-04-02T12:28:10Z

Hmm,
maybe a bit usefull can be begin of crash message, he got on console:

databox [488754.946366] BUG: spinlock recursion on CPU#1, swapper/0
databox [488754.950343] lock: f70ddbe0, .magic: dead4ead, .owner: swapper/0, .owner_cpu: 1

n.

On Thu, Apr 02, 2009 at 02:26:10PM +0200, Nikola Ciprich wrote:
> Hi Matthew,
> well, I've got VERY crappy screen photo, my collegue made using his cellphone, You can check
> it on http://nik.lbox.cz/downloads/sym53c8xx-crash.jpg
> But we can quite easily reproduce the problem, I'll try to do it today evening and make a
> better screenshot...
> I'll report further then.
> Regarding warning, couldn't it then be surpressed, if it's harmless? Kernel then gets tainted,
> which makes me a bit nervous :-)
> regards
> nik
>
> On Thu, Apr 02, 2009 at 05:23:38AM -0600, Matthew Wilcox wrote:
> > On Thu, Apr 02, 2009 at 09:54:04AM +0200, Nikola Ciprich wrote:
> > > Hi,
> > > we're experiencing problems using changer connected on LSI Logic / Symbios Logic 53c875 adaptor (using sym53c8xx module).
> > > Sometimes changer gets stuck, and reloading sym53c8xx module is the only way to help. But it alwas issues following warning,
> > > and on subsequent mtx usage, the whole machine usually crashes...
> >
> > The warning is actually harmless. What error messages do you get when
> > the machine crashes?
> >
> > --
> > Matthew Wilcox Intel Open Source Technology Centre
> > "Bill, look, we understand that you're interested in selling us this
> > operating system, but compare it to ours. We can't possibly take such
> > a retrograde step."
> > --
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>
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