[Xen-devel] linux 4.19 does not build on armhf Re: [linux-4.19 test] 135420: regressions - FAIL

[Ian Jackson <ian.jackson@xxxxxxxxxx>]

osstest service owner writes ("[linux-4.19 test] 135420: regressions - FAIL"):
> flight 135420 linux-4.19 real [real]
> http://logs.test-lab.xenproject.org/osstest/logs/135420/
> 
> Regressions :-(
> 
> Tests which did not succeed and are blocking,
> including tests which could not be run:
>  build-armhf-pvops             6 kernel-build             fail REGR. vs. 
> 129313

http://logs.test-lab.xenproject.org/osstest/logs/135420/build-armhf-pvops/6.ts-kernel-build.log

  drivers/firmware/qcom_scm.c: In function ‘qcom_scm_assign_mem’:
  drivers/firmware/qcom_scm.c:469:47: error: passing argument 3 of 
‘dma_alloc_coherent’ from incompatible pointer type 
[-Werror=incompatible-pointer-types]
    ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_phys, GFP_KERNEL);
                                                 ^
  In file included from drivers/firmware/qcom_scm.c:21:0:
  ./include/linux/dma-mapping.h:560:21: note: expected ‘dma_addr_t * {aka 
long long unsigned int *}’ but argument is of type ‘phys_addr_t * {aka 
unsigned int *}’
   static inline void *dma_alloc_coherent(struct device *dev, size_t size,
                       ^~~~~~~~~~~~~~~~~~
  cc1: some warnings being treated as errors
  scripts/Makefile.build:303: recipe for target 'drivers/firmware/qcom_scm.o' 
failed
  make[2]: *** [drivers/firmware/qcom_scm.o] Error 1
  scripts/Makefile.build:544: recipe for target 'drivers/firmware' failed
  make[1]: *** [drivers/firmware] Error 2
  make[1]: *** Waiting for unfinished jobs....

I think this build failure is probably a regression; rather it is due
to the stretch update which brings in a new compiler.

However, I would prefer to avoid a force push because this build
failure means that the armhf tests didn't run.

>  test-amd64-amd64-xl-qcow2    17 guest-localmigrate/x10   fail REGR. vs. 
> 129313

This is a known regression with the stretch upgrade and is nothing to
do with linux-4.19 (or Xen, I think).

>  test-amd64-amd64-libvirt-vhd 17 guest-start/debian.repeat fail REGR. vs. 
> 129313

This is another bug, which looks like it is actually a bug in Linux
4.19.  I will send another mail about it.

Ian.

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