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Message-ID: <49367AFD.8030600@mimc.co.uk> Date: Wed, 03 Dec 2008 12:26:37 +0000 From: Mark Jackson <mpfj@...c.co.uk> To: Kay Sievers <kay.sievers@...y.org> CC: linux-kernel@...r.kernel.org, Haavard Skinnemoen <haavard.skinnemoen@...el.com>, Andrew Morton <akpm@...ux-foundation.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, David Woodhouse <dwmw2@...radead.org> Subject: Re: Badness at mm/backing-dev.c:179 Kay Sievers wrote: > On Wed, Dec 3, 2008 at 13:07, Mark Jackson <mpfj@...c.co.uk> wrote: >> The following commit causes a "Badness at mm/backing-dev.c:179":- >> >> f1d0b063d993527754f062c589b73f125024d216 is first bad commit >> commit f1d0b063d993527754f062c589b73f125024d216 >> Author: Kay Sievers <kay.sievers@...y.org> >> Date: Tue Dec 2 10:31:50 2008 -0800 >> >> bdi: register sysfs bdi device only once per queue > >> Below is the extract from dmesg:- >> >> ------------[ cut here ]------------ >> Badness at mm/backing-dev.c:179 > > That's a known issue, and will not cause any harm besides printing > this warning. Andrew added the warning to catch drivers who use one > single request queue for multiple devices. Currently known are mtd and > floppy (triggers only if you have more than one device per driver). > The drivers need to be changed to use a separate queue per device, to > get rid of this warning. Okay ... thanks for the info. Mark -- 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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