From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752069AbdIFIUp (ORCPT ); Wed, 6 Sep 2017 04:20:45 -0400 Received: from mail-wm0-f52.google.com ([74.125.82.52]:38828 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750832AbdIFIUl (ORCPT ); Wed, 6 Sep 2017 04:20:41 -0400 X-Google-Smtp-Source: ADKCNb7j60TMsq5MPILU/aR/ZukD/S9LImFSpqCm21uj36RhuqIn6zN4n6SwcLJy3q76GNFQO/zwPA== Date: Wed, 6 Sep 2017 10:20:35 +0200 From: Seraphime Kirkovski To: adrian.hunter@intel.com, shawn.lin@rock-chips.com, pavel@ucw.cz, linux-mmc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: 4.13 on thinkpad x220: oops when writing to SD card Message-ID: <20170906082035.t76xm5umzincncwm@macchiaveli> Reply-To: 6689241f-a4d8-7a3e-9f0b-482b034e5710@intel.com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, > > Seems 4.13-rc4 was already broken for that but unfortuantely > > I didn't > > reproduce that. So maybe Seraphime can do git-bisect as he said "I > > get > > it everytime" for which I assume it could be easy for him to find > > out > > the problematic commit? I can reliably reproduce it, although sometimes it needs some more work. For example, I couldn't trigger it while writing less than 1 gigabyte and sometimes I have to do it more than once. It helps if the machine is doing something else in meantime, I do kernel builds. > Another unrelated issue with mmc_init_request() is that > mmc_exit_request() > is not called if mmc_init_request() fails, which means > mmc_init_request() > must free anything it allocates when it fails. I'm running your patch for 45 minutes now, it looks like it's fixing the issue on 4.13 81a84ad3cb5711cec79. P.S. Sorry about the formatting, have to fix my editor