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Date:   Mon, 24 Dec 2018 09:20:46 +0100
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Guenter Roeck <linux@roeck-us.net>
Cc:     Stephen Rothwell <sfr@canb.auug.org.au>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Joel Fernandes <joel@joelfernandes.org>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Andrew Morton <akpm@linux-foundation.org>,
        Sinan Kaya <okaya@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
        Chandan Rajendra <chandan@linux.vnet.ibm.com>,
        Theodore Ts'o <tytso@mit.edu>, Florian Westphal <fw@strlen.de>,
        "David S. Miller" <davem@davemloft.net>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Wen He <wen.he_1@nxp.com>, Peng Ma <peng.ma@nxp.com>,
        Vinod Koul <vkoul@kernel.org>,
        Palmer Dabbelt <palmer@sifive.com>,
        Heinrich Schuchardt <xypron.glpk@gmx.de>,
        Ard Biesheuvel <ard.biesheuvel@linaro.org>,
        Ingo Molnar <mingo@kernel.org>
Subject: Re: linux-next: Tree for Dec 21
Message-ID: <20181224082046.GD19684@kroah.com>
References: <20181221193244.3a6ed685@canb.auug.org.au>
 <20181221162149.GA32500@roeck-us.net>
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On Fri, Dec 21, 2018 at 08:21:49AM -0800, Guenter Roeck wrote:
> ---
> [5]:
> 
> The bisect is old, but still applies. Revering the offending patch fixes the problem.
> 
> # bad: [8c9733fd9806c71e7f2313a280f98cb3051f93df] Add linux-next specific files for 20181123
> # good: [9ff01193a20d391e8dbce4403dd5ef87c7eaaca6] Linux 4.20-rc3
> git bisect start 'HEAD' 'v4.20-rc3'
> # good: [34c2101b4f765edf1b91c2837da9c60fbf9f6912] Merge remote-tracking branch 'spi-nor/spi-nor/next'
> git bisect good 34c2101b4f765edf1b91c2837da9c60fbf9f6912
> # good: [15367a0657fc8027ff3466bf0202bde9f270259b] Merge remote-tracking branch 'kgdb/kgdb-next'
> git bisect good 15367a0657fc8027ff3466bf0202bde9f270259b
> # bad: [d29686ab179c34c5dbaac067a9effbeeb6a8073e] Merge remote-tracking branch 'soundwire/next'
> git bisect bad d29686ab179c34c5dbaac067a9effbeeb6a8073e
> # good: [7cd63670817c236ccaf21ffe9d7b4921afeab130] Merge remote-tracking branch 'tip/auto-latest'
> git bisect good 7cd63670817c236ccaf21ffe9d7b4921afeab130
> # good: [597140853698c0dc174b93eb534406a40e467375] Merge remote-tracking branch 'rcu/rcu/next'
> git bisect good 597140853698c0dc174b93eb534406a40e467375
> # good: [acb97a35ae6d363144f4e3916bff5284a5a03d01] Merge remote-tracking branch 'phy-next/next'
> git bisect good acb97a35ae6d363144f4e3916bff5284a5a03d01
> # bad: [3f45b9087678824f50a34783db5a519f0d4d5e03] Merge remote-tracking branch 'tty/tty-next'
> git bisect bad 3f45b9087678824f50a34783db5a519f0d4d5e03
> # good: [61e169ee7683630ee0276dd5dcb5599976757770] serial: fsl_lpuart: fix the typo: UARTCR1_PE -> UARTCTRL_PE
> git bisect good 61e169ee7683630ee0276dd5dcb5599976757770
> # good: [646097940ad35aa2c1f2012af932d55976a9f255] serial: set suppress_bind_attrs flag only if builtin
> git bisect good 646097940ad35aa2c1f2012af932d55976a9f255
> # bad: [d6e1935819db0c91ce4a5af82466f3ab50d17346] serial: core: Allow processing sysrq at port unlock time
> git bisect bad d6e1935819db0c91ce4a5af82466f3ab50d17346
> # bad: [6d11023c345e369bcb9d5a68b271764e362c1f6e] serial: 8250: Default SERIAL_OF_PLATFORM to SERIAL_8250
> git bisect bad 6d11023c345e369bcb9d5a68b271764e362c1f6e
> # good: [347a28b586802d09604a149c1a1f6de5dccbe6fa] writeback: don't decrement wb->refcnt if !wb->bdi
> git bisect good 347a28b586802d09604a149c1a1f6de5dccbe6fa
> # first bad commit: [6d11023c345e369bcb9d5a68b271764e362c1f6e] serial: 8250: Default SERIAL_OF_PLATFORM to SERIAL_8250

Ok I have now reverted this patch, hopefully that resolves the issue.

thanks, and sorry it took this long to revert.

greg k-h