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Date: Wed, 13 Apr 2011 14:18:46 +0900 From: Tejun Heo <tj@...nel.org> To: James Bottomley <James.Bottomley@...senPartnership.com> Cc: Steven Whitehouse <swhiteho@...hat.com>, linux-kernel@...r.kernel.org, Jens Axboe <jaxboe@...ionio.com> Subject: Re: Strange block/scsi/workqueue issue Hello, On Tue, Apr 12, 2011 at 03:43:56PM -0500, James Bottomley wrote: > Heh, you're welcome, but this is for some value of debug. There's still > something strange going on on your box causing extreme delays in the way > we do stuff. I took advantage of the delays to explore some races in > block and SCSI, which is what got fixed .. I've still no idea what the > actual root cause of the delays is. A lot of thanks for tracking down all the issues. Something is definitely strange with Steven's setup tho. > Now we need to huddle and decide what we're doing in block and SCSI. I > think Tejun's patch with the moved signal for queue destruction patch > would probably work as well. Steven, can you be enticed to try the combination? I'll prep a combined patch and post it but please beware that I'm currently in a rather zombish state - sleep deprived, jet lagged and malfunctioning digestion - so the likelihood of doing something stupid is pretty high. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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