Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel test crashed

From	Dave Jones <davej@codemonkey.org.uk>
Newsgroups	linux.kernel
Subject	Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel test crashed
Date	2016-07-26 23:20 +0200
Message-ID	<rZhVE-7bN-13@gated-at.bofh.it> (permalink)
References	<rYdho-8bU-39@gated-at.bofh.it> <rYTzZ-8r9-45@gated-at.bofh.it> <rZbGy-36b-13@gated-at.bofh.it> <rZc9z-3vF-13@gated-at.bofh.it> <rZcjf-3yU-17@gated-at.bofh.it>
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On Tue, Jul 26, 2016 at 11:13:44PM +0800, Fengguang Wu wrote:
 
 > >> The "BUG: kernel test crashed" means the VM reboots by itself while
 > >> the trinity test is running. If the error message is "BUG: kernel boot
 > >> crashed" it'd mean VM abnormally reboots before any test is launched.
 > >
 > >Is it possible to include a url pointing to a page of documentation
 > >holding this information in your emails or alternatively a url pointing
 > >to some source code.  Just so other people don't have to ask you this
 > >question.
 > 
 > Yes that's the right directions to follow. We'll make the reports more
 > understandable and the test/bisects more reliable.
 > 
 > In particular, I suspect this false report might be related to QEMU
 > watchdog. The wild guess is, if trinity touches the watchdog device by
 > accident, it may result in the VM reset w/o any symptom.
 
See ignore_files() in pathnames.c
Adding an entry to the blacklist there is easy enough to prove/disprove this.

	Dave

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Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel  test crashed Fengguang Wu <fengguang.wu@intel.com> - 2016-07-26 16:40 +0200
  Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel test crashed ebiederm@xmission.com (Eric W. Biederman) - 2016-07-26 17:10 +0200
    Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel  test crashed Fengguang Wu <fengguang.wu@intel.com> - 2016-07-26 17:20 +0200
      Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel test crashed ebiederm@xmission.com (Eric W. Biederman) - 2016-07-26 22:10 +0200
        Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel  test crashed Dave Jones <davej@codemonkey.org.uk> - 2016-07-26 23:20 +0200
      Re: [LKP] More information please. Re: [fs] 54cc07a761: BUG: kernel  test crashed Dave Jones <davej@codemonkey.org.uk> - 2016-07-26 23:20 +0200

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