From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Alexander E. Patrakov" Subject: Re: [RFC v2 3/6] kthread: warn on kill signal if not OOM Date: Thu, 16 Oct 2014 01:46:44 +0600 Message-ID: <543ECF24.3040202@gmail.com> References: <1409899047-13045-1-git-send-email-mcgrof@do-not-panic.com> <20140909011059.GB11706@mtj.dyndns.org> <1410241109.2028.22.camel@jarvis.lan> <1410291346.13298.16.camel@jarvis.lan> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Cc: One Thousand Gnomes , Takashi Iwai , Kay Sievers , Sreekanth Reddy , James Bottomley , Praveen Krishnamoorthy , hare , Nagalakshmi Nandigama , Wu Zhangjin , Tetsuo Handa , "mpt-fusionlinux.pdl" , Tim Gardner , Benjamin Poirier , Santosh Rastapur , Casey Leedom , Hariprasad S , Pierre Fersing , Arjan van de Ven , Abhijit Mahajan , systemd Mailing List , Tom Gundersen Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: systemd-devel-bounces@lists.freedesktop.org Sender: "systemd-devel" List-Id: netdev.vger.kernel.org 16.10.2014 01:41, Anatol Pomozov wrote: > True. module name should be enough. In this case to debug the issue user needs: > - disable failing udev rule (or blacklist module?) > - reboot, it will let the user get into shell > - modprobe the failing module > - use sysrq-trigger to get more information about stuck process Nitpick: this only works only if the "stuck modprobe" bug is 100% reproducible. Which is not a given. So it is better to collect as much information about the bug when it is noticed by systemd. -- Alexander E. Patrakov