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