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Date: Tue, 13 Sep 2011 14:49:25 -0400 From: Chris Ball <cjb@...top.org> To: Jeremy Fitzhardinge <jeremy@...p.org> Cc: linux-mmc@...r.kernel.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Manoj Iyer <manoj.iyer@...onical.com> Subject: Re: SDHCI regression since 2.6.39 Hi, On Tue, Sep 13 2011, Jeremy Fitzhardinge wrote: >> If it is running, and not helping, can I persuade you to try a full >> bisection? > > OK, will do. Thank you! >> I don't think we have other reports of this bug, and the >> only other person who has reported something like it wasn't a kernel >> hacker. > > That's interesting; the X220 is a pretty common machine these days, I > think. I wonder if there's variations in the SD controller or something? I just asked Matthew Garrett to check his X220, and his has the same e823 controller as you, is running a 3.1-rc kernel, and everything's working. So it's not even variation in the controller model, it's something even more subtle. Perhaps try some different cards? What capacity/speed is the one you're trying? If there is a per-card difference, I suppose we'd expect it to be that slower cards work and faster cards fail (given the nature of the patch I linked in my last mail). Thanks, - Chris. -- Chris Ball <cjb@...top.org> <http://printf.net/> One Laptop Per Child -- 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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