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From: Kent Overstreet <kmo-PEzghdH756F8UrSeD/g0lQ@public.gmane.org>
To: "Darrick J. Wong" <darrick.wong-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: kent.overstreet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: bcache hang on suspend? sometimes?
Date: Tue, 6 Aug 2013 14:02:24 -0700	[thread overview]
Message-ID: <20130806210224.GA8519@kmo-pixel> (raw)
In-Reply-To: <20130806205650.GA5878-yuuUpGxbzT9UbpRmUfBrXUB+6BGkLq7r@public.gmane.org>

On Tue, Aug 06, 2013 at 01:56:50PM -0700, Darrick J. Wong wrote:
> Ok, I've narrowed it down a little bit --
> 
> It's not caused by any of the fixes that went into 3.10.[1-5].  It doesn't seem
> to be specific to any particular storage bus, controller, disk, or even cache
> set -- the same bcache'd usb stick will crash my laptop and not crash my test
> box.  The 4k/512b sector thing was a red herring; you can ignore that.

Ok, that makes more sense...

> The test box is a boring old Core2 box; the laptop is an Ivy Bridge.  I'll try
> to enable more verbose PM debugging to see if I can determine what exactly's
> going on at sleep time.  (Again, shooting in the dark...)

I just looked at the code and it appears there was a freezer fix that
didn't make it into 3.10 and should have. Can you try the
bcache-for-3.11 branch and see if that fixes it? If so, I'll get that
patch sent out for stable.

  parent reply	other threads:[~2013-08-06 21:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-06  5:34 bcache hang on suspend? sometimes? Darrick J. Wong
     [not found] ` <20130806053403.GB7998-yuuUpGxbzT9UbpRmUfBrXUB+6BGkLq7r@public.gmane.org>
2013-08-06 20:56   ` Darrick J. Wong
     [not found]     ` <20130806205650.GA5878-yuuUpGxbzT9UbpRmUfBrXUB+6BGkLq7r@public.gmane.org>
2013-08-06 21:02       ` Kent Overstreet [this message]
2013-08-06 22:48         ` Darrick J. Wong
2013-08-06 23:08         ` Darrick J. Wong
     [not found]           ` <20130806230851.GA10118-yuuUpGxbzT9UbpRmUfBrXUB+6BGkLq7r@public.gmane.org>
2013-08-06 23:12             ` Kent Overstreet

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