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Date: Wed, 1 Nov 2017 13:05:21 +0100 From: Stefan Wahren <stefan.wahren@...e.com> To: Peter Robinson <pbrobinson@...il.com>, Matt Hart <matt@...tface.org> Cc: Marcel Holtmann <marcel@...tmann.org>, linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com, linux-rpi-kernel@...ts.infradead.org, Loic Poulain <loic.poulain@...il.com>, linux-arm-kernel@...ts.infradead.org, Eric Anholt <eric@...olt.net> Subject: Re: [GIT PULL 1/2] bcm2835-dt-fixes-2017-10-06 Hi Matt, hi Peter, Am 01.11.2017 um 10:37 schrieb Peter Robinson: > On Tue, Oct 31, 2017 at 5:00 PM, Matt Hart <matt@...tface.org> wrote: >> On 6 October 2017 at 23:14, Florian Fainelli <f.fainelli@...il.com> wrote: >>> On 10/06/2017 03:05 PM, Eric Anholt wrote: >>>> Hi Florian. Here's a patch that's gone through a couple of revisions >>>> on the list, that seriously fixes up the default serial behavior -- >>>> previously, without the right config.txt/cmdline bits, you'd often end >>>> up with a hang with no output before booting completed. It would be >>>> great to get it into 4.14. >>>> >>>> The following changes since commit 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e: >>>> >>>> Linux 4.14-rc1 (2017-09-16 15:47:51 -0700) >>>> >>>> are available in the git repository at: >>>> >>>> git://github.com/anholt/linux tags/bcm2835-dt-fixes-2017-10-06 >>>> >>>> for you to fetch changes up to f08f58a2bf68900a84e782b8c7ad701c0654173c: >>>> >>>> ARM: dts: bcm283x: Fix console path on RPi3 (2017-10-06 13:04:56 -0700) >>>> >>>> ---------------------------------------------------------------- >>>> This pull request brings in a fix for default serial console setup on >>>> RPi3, so it now comes up with no config.txt/cmdline.txt settings in >>>> the firmware. >>>> >>>> ---------------------------------------------------------------- >>> Merged, thanks Eric >>> >>> -- >>> Florian >> Hi all, >> >> I realise this patch has been in mainline for a more than a week, but >> I've only recently had time to bisect broken rpi-3 boots in kernelci >> and found f08f58a2bf68900a84e782b8c7ad701c0654173c as the cause. >> >> Kernelci boots the rpi3 using uboot, with console=ttyS0 in the command >> line which now fails: >> https://kernelci.org/boot/id/59f787f059b5147794ef1dcf/ >> >> Is there an alias I can use for both before and after this patch? >> >> Mainline boots fine if I use console=ttyS1 or drop the console arg >> altogether, but as we don't currently support different boot args per >> tree, and we don't have the manpower to track this patch in all the >> trees we test, we will have to switch to only boot testing mainline >> from now on. > Yes, I've seen the same in Fedora with that patch. > > could you please describe the issue more in detail. Does u-boot or Linux hang? Does u-boot select the wrong UART? Is there a pinmux conflict? Which u-boot version do you use? Best regards Stefan
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