From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Hesselbarth Subject: Re: mvsdio: unhandled interrupt, mmc writes queuing up Date: Tue, 25 Mar 2014 23:16:53 +0100 Message-ID: <53320055.9080307@gmail.com> References: <20140325192759.GJ29769@segv.de> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-ee0-f45.google.com ([74.125.83.45]:65200 "EHLO mail-ee0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751431AbaCYWQ7 (ORCPT ); Tue, 25 Mar 2014 18:16:59 -0400 In-Reply-To: <20140325192759.GJ29769@segv.de> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Alexander Elbs , Nicolas Pitre Cc: Thomas Petazzoni , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, bonbons@linux-vserver.org, Jason Cooper , Andrew Lunn , Gregory CLEMENT On 03/25/2014 08:27 PM, Alexander Elbs wrote: >> On Wed, 19 Mar 2014, Bruno Pr=E9mont wrote: >>> Since upgrading my Sheevaplug from 3.7.2 to 3.13.6 (FDT) I'm seeing >>> mvsdio f1090000.mvsdio: unhandled interrupt status=3D0x8810 en=3D= 0x0000 pio=3D0 >>> at varied timings. >=20 > I have the same problem on my sheevaplug. >=20 >> It has been many years since I've looked at the code for this driver= =2E =20 >> I'm therefore including Thomas Petazzoni to the CC list as he appear= s to=20 >> have been the most active since then. >> >> The reported status seems to indicate missing data in the context of= a=20 >> transfer with CMD12, and a CRC error ensued of course. >> >> At this point I'd suggest testing intermediate kernels between 3.7 a= nd=20 >> 3.13, and try bisection until you find the offending commit. >> >> [...] >>> I get same results with 3.14-rc7. >> >> Excellent, that reduces the search space significantly. You can do = a=20 >> git bisect directly. >=20 > I did a git bisect. > good: no message "unhandled interrupt" > bad: message above appears > skipped: unbootable kernel, usually stuck after the line "Uncompres= sing Linux".=20 >=20 > So far I am down to a few commits after 3.11. >=20 > $ git bisect view --oneline > 2326f04 (refs/bisect/bad) ARM: kirkwood: convert to DT irqchip and cl= ocksource Can you please try the patches contained in [1]? They have been Acked-by Jason Cooper, but I guess we simply lost track of them. Sebastian [1] https://lkml.org/lkml/2013/11/15/276