linux-kernel - Re: [regression] Re: 2.6.26-rc6: pcmcia stopped working

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Message-Id: <200807082006.37847.bzolnier@gmail.com>
Date:	Tue, 8 Jul 2008 20:06:37 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Pavel Machek <pavel@....cz>
Cc:	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [regression] Re: 2.6.26-rc6: pcmcia stopped working

On Sunday 06 July 2008, Pavel Machek wrote:
> Hi!
> 
> > > > > Hmm, hitting sysrq-w produces no blocked task until I eject pcmcia
> > > > > card. Backtrace there is:
> > > > > 
> > > > > Greg, I believe some traces lead to sysfs, can you help here?
> > > > 
> > > > ide_unregister() does not complete :-(.
> > > > 
> > > >         device_unregister(&hwif->gendev);
> > > > +       printk("ide_unregister: waiting for rel_comp\n");
> > > >         wait_for_completion(&hwif->gendev_rel_comp);
> > > > 
> > > > ...that wait_for_completion never returns.
> > 
> > [...]
> > 
> > Thanks for narrowing it down to wait_for_completion() call,
> > it was an useful hint.
> 
> Thanks for a patch, I'll test it soon. Here are two really trivial
> patches... maybe too trivial?

there are no too trivial patches in the git era :)

> ---
> 
> Small whitespace fixes for drivers/ide.
> 
> Signed-off-by: Pavel Machek <pavel@...e.cz>

applied
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