linux-kernel - Re: [PATCH 4.4 000/159] 4.4.203-stable review

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Date:   Thu, 28 Nov 2019 11:35:18 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Jon Hunter <jonathanh@...dia.com>
Cc:     Guenter Roeck <linux@...ck-us.net>, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        shuah@...nel.org, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        stable@...r.kernel.org, linux-tegra <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH 4.4 000/159] 4.4.203-stable review

On Thu, Nov 28, 2019 at 09:26:25AM +0000, Jon Hunter wrote:
> 
> On 25/11/2019 22:45, Jon Hunter wrote:
> > 
> > On 25/11/2019 16:03, Greg Kroah-Hartman wrote:
> >> On Mon, Nov 25, 2019 at 01:22:58PM +0000, Jon Hunter wrote:
> >>>
> >>> On 25/11/2019 09:41, Greg Kroah-Hartman wrote:
> >>>> On Sun, Nov 24, 2019 at 08:31:46PM +0000, Jon Hunter wrote:
> >>>>>
> >>>>> On 23/11/2019 15:46, Guenter Roeck wrote:
> >>>>>> On 11/22/19 6:48 AM, Jon Hunter wrote:
> >>>>>>
> >>>>>> [ ... ]
> >>>>>>
> >>>>>>> Error: arch/arm/boot/dts/omap5-board-common.dtsi:636.1-6 Label or path
> >>>>>>> dwc3 not found
> >>>>>>> FATAL ERROR: Syntax error parsing input tree
> >>>>>>> scripts/Makefile.lib:293: recipe for target
> >>>>>>> 'arch/arm/boot/dts/omap5-igep0050.dtb' failed
> >>>>>>> make[1]: *** [arch/arm/boot/dts/omap5-igep0050.dtb] Error 1
> >>>>>>> arch/arm/Makefile:338: recipe for target 'dtbs' failed
> >>>>>>> make: *** [dtbs] Error 2
> >>>>>>>
> >>>>>>>
> >>>>>>> This is caused by the following commit ...
> >>>>>>>
> >>>>>>> commit d0abc07b3d752cbe2a8d315f662c53c772caed0f
> >>>>>>> Author: H. Nikolaus Schaller <hns@...delico.com>
> >>>>>>> Date:   Fri Sep 28 17:54:00 2018 +0200
> >>>>>>>
> >>>>>>>      ARM: dts: omap5: enable OTG role for DWC3 controller
> >>>>>>>
> >>>>>>
> >>>>>> On top of the breakage caused by this patch, I would also argue
> >>>>>> that it is not a bug fix and should not have been included
> >>>>>> in the first place.
> >>>>>>
> >>>>>> The dwc3 label was added with commit 4c387984618fe ("ARM: dts: omap5:
> >>>>>> Add l4 interconnect hierarchy and ti-sysc data"). Given the size of
> >>>>>> that patch, I highly doubt that a backport to 4.4 would work.
> >>>>
> >>>> Good catch, I have now dropped both of these patches and pushed out a
> >>>> -rc3
> >>>>
> >>>>> FYI ... I am still seeing a build failure because of this with -rc2 ...
> >>>>
> >>>> Can you see if -rc3 is also giving you problems?
> >>>
> >>> Better, but I appear to be seeing some random suspend failures with this
> >>> now on one board. I will try to bisect this.
> >>>
> >>> Test results for stable-v4.4:
> >>>     6 builds:	6 pass, 0 fail
> >>>     12 boots:	12 pass, 0 fail
> >>>     19 tests:	18 pass, 1 fail
> >>>
> >>> Linux version:	4.4.203-rc3-g2576206c30b5
> >>> Boards tested:	tegra124-jetson-tk1, tegra20-ventana,
> >>>                 tegra30-cardhu-a04
> >>
> >> Odd.  If you find anything interesting, please let me know.
> > 
> > Yes will do. Bisect has not found anything yet, so will keeping looking
> > to see if this is a false-positive or not.
> 
> I have been doing some more testing and it appears that I see
> intermittent suspend failures on Tegra124 with linux-4.4.y. Apparently
> this issue has always been there and appears to be fixed in v4.5. I am
> still trying to find a way to fix this. The changes in v4.5 that appear
> to resolve this are too complex for stable (several patches in Tegra clk
> drivers). Anyway, ignore this for now, I will see how we can fix or
> workaround for linux-4.4.y.

Ok, thanks for letting us know and good luck with it.

greg k-h