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From: Jeff Garzik <jeff@garzik.org>
To: Paul Walmsley <paul@booyaka.com>
Cc: mikep@linuxtr.net, netdev@vger.kernel.org, linux-tr@linuxtr.net
Subject: Re: [PATCH 1/1] Fix hang on IBM Token Ring PCMCIA card ejection
Date: Tue, 08 May 2007 01:19:31 -0400	[thread overview]
Message-ID: <46400863.7010003@garzik.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0703272255460.21789@utopia.booyaka.com>

Paul Walmsley wrote:
> From: Paul Walmsley <paul@booyaka.com>
> 
> Ejecting a PCMCIA IBM Token Ring card that has not had its dev->open()
> called will reliably trigger an uninitialized spinlock oops when
> spinlock debugging is enabled. The system then hangs, occasionally
> softlockup oopsing.  It seems that ibmtr.c:tok_interrupt() doesn't
> expect to be called before tok_open() is called, but tok_interrupt()
> gets called anyway when the card is ejected.  So, set an already-extant
> flag which causes tok_interrupt() to bail out early upon card ejection.
> Tested by inserting and removing the PCMCIA card several times.
> 
> Applies against 2.6.21-rc5.
> 
> 
> Signed-off-by: Paul Walmsley <paul@booyaka.com>

ACK but does not apply



  reply	other threads:[~2007-05-08  5:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-28  4:57 [PATCH 1/1] Fix hang on IBM Token Ring PCMCIA card ejection Paul Walmsley
2007-05-08  5:19 ` Jeff Garzik [this message]
2007-05-09 16:51   ` Paul Walmsley

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