Messages in this thread | | | Subject | Re: [PATCH v2] console: use first console if stdout-path device doesn't appear | From | Larry Finger <> | Date | Mon, 31 Oct 2016 10:58:17 -0500 |
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On 10/31/2016 07:14 AM, Paul Burton wrote: > If a device tree specified a preferred device for kernel console output > via the stdout-path or linux,stdout-path chosen node properties there's > no guarantee that it will have specified a device for which we have a > driver. It may also be the case that we do have a driver but it doesn't > call of_console_check() to register as a preferred console (eg. offb > driver as used on powermac systems). In these cases try to ensure that > we provide some console output by enabling the first usable registered > console, which we keep track of with the of_fallback_console variable. > > Tested in QEMU with a PowerPC pseries_defconfig kernel.
The patch fails to fix my real PowerPC. I still get a kernel panic for an attempt to kill init. This first test was done with 4.9-rc2. I am in the process of updating to -rc3 to see if that changes anything. Later today when that build finishes, I will report those results.
Larry
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