From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============6963050068800579728==" MIME-Version: 1.0 From: Sergey Senozhatsky To: lkp@lists.01.org Subject: Re: [printk] fbc14616f4 BUG: kernel reboot-without-warning in test stage Date: Mon, 03 Apr 2017 11:14:06 +0900 Message-ID: <20170403021406.GA483@jagdpanzerIV.localdomain> In-Reply-To: <20170402041351.yk4e4efdgb2rvart@wfg-t540p.sh.intel.com> List-Id: --===============6963050068800579728== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Hello Fengguang, On (04/02/17 12:13), Fengguang Wu wrote: [..] > FYI here is another bisect result. The attached reproduce-* script may > help reproduce the bug. > = > https://github.com/0day-ci/linux/commits/Sergey-Senozhatsky/printk-introd= uce-printing-kernel-thread/20170330-185752 > = > commit fbc14616f483788afabe77d05bfb99883dc66c73 > Author: Sergey Senozhatsky > AuthorDate: Wed Mar 29 18:25:11 2017 +0900 > Commit: 0day robot > CommitDate: Thu Mar 30 18:58:09 2017 +0800 > = > printk: enable printk offloading > = > Initialize the kernel printing thread and enable printk() > offloading. > = > Signed-off-by: Sergey Senozhatsky thanks! I guess it's the same "sysrq emergency restart does not flush logbu= f" test case failure. if so, then the change below can probably fix it: lkml.kernel.org/r/20170331040438.GA366(a)jagdpanzerIV.localdomain -ss --===============6963050068800579728==--