Received: by 2002:ac0:bc90:0:0:0:0:0 with SMTP id a16csp376764img; Wed, 20 Mar 2019 02:33:02 -0700 (PDT) X-Google-Smtp-Source: APXvYqwDxTx+3IBP8v9pBK5fj3pc+n0liIiC/SSNplC8n8afZjLnVDaeHhDIZN2+yhMVDOBQsRfD X-Received: by 2002:aa7:9103:: with SMTP id 3mr6665612pfh.192.1553074382841; Wed, 20 Mar 2019 02:33:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553074382; cv=none; d=google.com; s=arc-20160816; b=Y4qeVf3DN3CBYxZG3mpWVBLfIiyKHqV1JxvdLV8KSr0dviifZKvg5K4W4538VUqusL 0IGN8aSyZf+I7xX4JCl6NsLhmFc0zw7WeCcNTooR3PkRdZCoUJOCj+SdXFkE1V4Ec5Gu dGmV8GrcMmpejQK0LBjMp5exRPXQM4cgLPbtFmqOc4uE4Nw7L9fpzyK2oj5CvAMg0Ckf +TR8OEU77yUEg19jngFp0CVMq+Pf5GAu3Xon6gbnt3rW4xq8SdjZYoqS2Vh3FA+h8pRi nJiP4XmDJB9TH7UJb7FiaNlujLC78xEC85B8dJqIPHDMNZAb2+TGnJ1sLMXERJ5y+0QH JpGQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=wYyv2ZRwsPoVYMyEVcGnCp48q/ptTtHxZyIeAzw8TOY=; b=x/Lv37xDIBWsgwR8JfF8GMK6EGYfUfad8F+AVgrq/SIuPxNfpPJ0zefL1gCIdZJsfl K3Ts1WnOFBbtGTyNMPXfy46AzmE/GHwpl+0T4kyRhwrUHhkg9VVO8VGTv6N6z1Y4Az43 YdNx2VW4CRMndcUU/XDLUor3QItU/CBiUtlhL0NCSdYdDGlLMdfHMeDAE/+yfR9edPEX YPWPbTSuV5lRexxFYpCiHIWIoQPw/Ga9qNTJIkzZ90RTNLpP+yydVS8AYiZVxN5f2EoT 2mFv52/AfinTU0Sw3rcoZ+rveNaekvA4wQLRmxiqonqPXHS4PaVhqrsSPI1HfJLjjwmR P0fQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=tc0l0Thp; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h64si1320019pfd.74.2019.03.20.02.32.47; Wed, 20 Mar 2019 02:33:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=tc0l0Thp; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727054AbfCTJbg (ORCPT + 99 others); Wed, 20 Mar 2019 05:31:36 -0400 Received: from mail-oi1-f181.google.com ([209.85.167.181]:37752 "EHLO mail-oi1-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726457AbfCTJbg (ORCPT ); Wed, 20 Mar 2019 05:31:36 -0400 Received: by mail-oi1-f181.google.com with SMTP id v84so1257948oif.4 for ; Wed, 20 Mar 2019 02:31:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wYyv2ZRwsPoVYMyEVcGnCp48q/ptTtHxZyIeAzw8TOY=; b=tc0l0ThpVqoLtsaB2H8fQq1clVPc94UjnPBYF2ByG9flAjBIPjypcsro+IYe1PEGCa CQkscJRiqJORBddBsZK7WxneeF8IyStb95Z3Y/87wjluzqADh87MW+MGvu/0FP9XXlrY ePzaLgPzxLf+rThI8d3hIUcf3KEQ08yBvEXV3j4PwXiwy/6RrHS8psTj4ogWkw0m7Y0u nxUPpcc16p+Ifl7KACsD3KUfxZZY/KJOzIAhsKtcYaS9dcgMoZXqyZ0TmJe3QVCXksHt sHzeoeZKnR+2k/mG3JdAnRLNKU69HjMANpkCIgvJqpKEBjG81IYmlmUMEARQX2MpSs3i bB2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=wYyv2ZRwsPoVYMyEVcGnCp48q/ptTtHxZyIeAzw8TOY=; b=MlWgo3Nuq6m5odSIxis+P3KDJTsRnTDmmUZ0NzDhgO9ldbCvNP4T2yyxX/Gl1SRnpM 3O5l4tzG2MP7uwiif7YJ9YRpNMjlSg7DQnXM28EM96gu97rs/kM86JtIsUPcEdz5t9ec 2fqTR8bmjogYc1+bU//3yuugg9v0LTENhvOQPuROR2hcaXOEbxRevb+QLGAZvzBXf3j1 KemcO66oRf9WU+mOhBkAS+8cO2h6vvZzOXkQ0H25eW7rzObukpFKOM0rZ/S51MjH1tpE Zzmkhl4PHz2dMKZrNv56xjQgc5f+Wgs0QR5lUxMMLJn/MPcYMVAe8Ub+6B2fwIxsATlL rfEw== X-Gm-Message-State: APjAAAUUrt1rvkEjvJOa6OxL1jgx1YAQf6vsTUohg8rhrrGzhRPM5MEM MNPy7HPzCMXjyh7kWDnwJl9HAE0t1on5GGpekVeMHA== X-Received: by 2002:aca:b589:: with SMTP id e131mr4554174oif.91.1553074295380; Wed, 20 Mar 2019 02:31:35 -0700 (PDT) MIME-Version: 1.0 References: <20190313064557.GA14531@unicorn.suse.cz> <20190317180546.GA26013@unicorn.suse.cz> In-Reply-To: <20190317180546.GA26013@unicorn.suse.cz> From: Sudip Mukherjee Date: Wed, 20 Mar 2019 09:30:59 +0000 Message-ID: Subject: Re: regression (bisected): "modprobe parport_pc" hangs in current mainline To: Michal Kubecek Cc: linux-kernel Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Michal, On Sun, Mar 17, 2019 at 6:05 PM Michal Kubecek wrote: > > On Sun, Mar 17, 2019 at 05:01:37PM +0000, Sudip Mukherjee wrote: > > On Wed, Mar 13, 2019 at 6:45 AM Michal Kubecek wrote: > > > I encountered a regression in current (post-5.0) mainline kernel which I > > > bisected to commit 1aec4211204d ("parport: daisy: use new parport device > > > model"). Running "modprobe parport_pc" hangs up: > > > > Can you please send me your .config so that I can test it from my side. > > Attaching two versions: config-full.gz is the real life config from the > machine where I found the issue and config-mini.gz is a minimized config > I was using while bisecting the issue. (I made a mistake and thought > that I have seen the issue with snapshot before both parport commits so > that I ran a full bisect instead of simply checking the two parport > commits which came in the merge window.) Sorry, I didn't get the chance to look at it yet and have kept it pending for this weekend. But just had a quick look and I was wondering if the machine on which you are trying the modprobe has an actual parallel port or the machine is not having any parallel port. And also will you be able to send me a dmesg please. -- Regards Sudip