linux-kernel - Re: netsc520 - skeleton in the closet ?

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Message-ID: <a8e1da0804131835t76a9ed61qbcd507ecd65a894a@mail.gmail.com>
Date:	Mon, 14 Apr 2008 09:35:05 +0800
From:	"Dave Young" <hidave.darkstar@...il.com>
To:	devzero@....de
Cc:	linux-kernel@...r.kernel.org, cebbert@...hat.com, jeremy@...p.org
Subject: Re: netsc520 - skeleton in the closet ?

On Sun, Apr 13, 2008 at 8:45 PM,  <devzero@....de> wrote:
> i'm doing some module testing from time to time and i'm somewhat sure, that there is an issue with netsc520 module, as i have seen more than one occasion that after load/unloading of that module (w/o presence of the appropriate hw), other modules had issues.
>
>  see http://marc.info/?l=linux-kernel&m=120664963508105&w=2 for example.
>
>  now,by chance i came across this one: http://marc.info/?l=linux-kernel&m=118274309325836&w=2
>
>  >> > >> netsc520 is doing iounmap() of an area it did
>  >> > >> ioremap_nocache() on earlier, because it has now failed to
>  >> > >> find a device. Why it went BUG() I have no idea.
>  >> > >>
>  >> > >
>  >> > > Hi, maybe some config option cause this issue, here is my current
>  >> > > working-ok config file:
>  >> >
>  >> > What are the differences from the non-working config?
>  >> >
>  >> >     J
>  >> >
>  >> The diffrences is net520c item.
>  >>
>  >sorry it is netsc520, I will post the patch after a while.
>
>  so, it sounds there is a known issue with netsc520, but i'm not sure if it's the related and if that mentioned patch has been posted, at least i don't find it in git due to x86/64 unification.

Please see:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9585116ba09f1d8c52d0a1346e20bb9d443e9c02

>
>  maybe someone has a clue.... ?
>
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