Re: arm qemu test failures due to 'driver-core: platform: probe of-devices only using list of compatibles'

From	Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Newsgroups	linux.kernel
Subject	Re: arm qemu test failures due to 'driver-core: platform: probe of-devices only using list of compatibles'
Date	2016-02-15 12:00 +0100
Message-ID	<r2p2O-8en-7@gated-at.bofh.it> (permalink)
References	<r28bF-5jV-17@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello Guenter,

On Sun, Feb 14, 2016 at 08:50:10AM -0800, Guenter Roeck wrote:
> Uwe,
> 
> Your patch 'driver-core: platform: probe of-devices only using list of
> compatibles' causes the following qemu tests to crash in -next.
> 
> arm:vexpress-a9:vexpress_defconfig:vexpress-v2p-ca9
> arm:vexpress-a15:vexpress_defconfig:vexpress-v2p-ca15-tc1
> arm:vexpress-a9:multi_v7_defconfig:vexpress-v2p-ca9
> arm:vexpress-a15:multi_v7_defconfig:vexpress-v2p-ca15-tc1
> 
> Crash log:
> 
> VFS: Cannot open root device "mmcblk0" or unknown-block(0,0): error -6
> Please append a correct "root=" boot option; here are the available partitions:
> 1f00          131072 mtdblock0  (driver?)
> 1f01           32768 mtdblock1  (driver?)
> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

Can you provide a complete boot log? This might already reveal which
device is failing. It might not be the mmci device but something it
depends on (clock, bus parent, irq).

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

Thread

arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-14 18:00 +0100
  Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-14 21:00 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-14 21:10 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 09:20 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 10:00 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 10:20 +0100
            Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 11:10 +0100
              Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 11:20 +0100
                Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 11:20 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-14 22:10 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 08:50 +0100
  Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 12:00 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Robin Murphy <robin.murphy@arm.com> - 2016-02-15 14:20 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 15:50 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 17:30 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-02-15 17:50 +0100
            Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 18:20 +0100
              Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-02-15 22:10 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 16:50 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 17:20 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 18:10 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 19:20 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Sudeep Holla <sudeep.holla@arm.com> - 2016-02-15 19:50 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Sudeep Holla <sudeep.holla@arm.com> - 2016-02-15 18:50 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 19:10 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Sudeep Holla <sudeep.holla@arm.com> - 2016-02-15 19:20 +0100

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