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SubjectRe: kernel panics with 4.14.X versions
On Mon, Apr 16, 2018 at 09:10:35PM +0000, Dexuan Cui wrote:
> > From: Jan Kara <jack@suse.cz>
> > Sent: Monday, April 16, 2018 07:41
> > ...
> > How easily can you hit this? Are you able to run debug kernels / inspect
> > crash dumps when the issue occurs? Also testing with the latest mainline
> > kernel (4.16) would be welcome whether this isn't just an issue with the
> > backport of fsnotify fixes from Miklos.
>
> It's not easy for us to reproduce the fsnotify() lockup issue, and actually
> we still don't have an easy & reliable way to reproduce it.
>
> According to our tests, v4.16 doesn't have the issue.
> And v4.15 doesn't have the issue either, if I recall correctly.
> I only know the issue happens to v4.14.x and 4.13.x kernels

Any chance to run 'git bisect' between 4.14 and 4.15 to find the fix?

thanks,

greg k-h

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