linux-kernel - Re: Linux 4.9.7

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Date:   Sat, 4 Feb 2017 08:13:31 +0100
From:   Willy Tarreau <w@....eu>
To:     Ed Tomlinson <edt@....ca>
Cc:     Greg KH <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        torvalds@...ux-foundation.org, stable@...r.kernel.org, lwn@....net,
        Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.9.7

On Fri, Feb 03, 2017 at 11:07:08PM -0500, Ed Tomlinson wrote:
> Hi,
> 
> Any reports of 4.9.7 breaking X?
> 
> I run arch and keep it up to date.  With todays updates and 4.9.7 built here
> X will not start kde correctly.  Reverting to 4.9.6 fixes things.  Config is
> the same for both builds. I have three btrfs patches and the BFQ 4.9.0-v8r7
> patchset applied on top of stable git's 4.9.{6|7}.
> 
> Suggestions on what to look for or to try reverting (via git)

You should bisect, stable releases are very easy to bisect and this is
fast (few builds, no config change, not everything to rebuild each time).
It may take as little as 20 mn to figure which patch broke your setup.

Regards,
Willy