Re: atomic changes break drm-next-kmod?

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Am Tue, 3 Jul 2018 10:19:57 -0400
Michael Butler <imb_at_protected-networks.net> schrieb:

> It seems recent changes (SVN r335873?) may have broken drm-next-kmod ..
> 
> --- i915_drv.o ---
> In file included from i915_drv.c:30:
> In file included from
> /usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/linuxkpi/gplv2/include/linux/acpi.h:26:
> In file included from
> /usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/linuxkpi/gplv2/include/linux/device.h:4:
> In file included from
> /usr/src/sys/compat/linuxkpi/common/include/linux/device.h:35:
> In file included from
> /usr/src/sys/compat/linuxkpi/common/include/linux/types.h:37:
> In file included from /usr/src/sys/sys/systm.h:44:
> ./machine/atomic.h:450:29: error: invalid operand for instruction
> ATOMIC_ASM(clear,    long,  "andq %1,%0",  "ir", ~v);
>                             ^
> <inline asm>:1:7: note: instantiated into assembly here
>         andq $9223372036854775807,40672(%r14)
>              ^~~~~~~~~~~~~~~~~~~~~
> 1 error generated.
> *** [i915_drv.o] Error code 1
> 
> make[3]: stopped in
> /usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/i915
> --- i915_gem.o ---
> In file included from i915_gem.c:28:
> In file included from
> /usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/include/drm/drmP.h:38:
> In file included from /usr/src/sys/sys/malloc.h:42:
> In file included from /usr/src/sys/sys/systm.h:44:
> ./machine/atomic.h:449:29: error: invalid operand for instruction
> ATOMIC_ASM(set,      long,  "orq %1,%0",   "ir",  v);
>                             ^
> <inline asm>:1:6: note: instantiated into assembly here
>         orq $-9223372036854775808,40672(%r14)
>             ^~~~~~~~~~~~~~~~~~~~~~
> 1 error generated.
> *** [i915_gem.o] Error code 1
> 
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It breaks also graphics/drm-stable-kmod (see PR 229484,
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229484, same error as you described
above) and also emulators/virtualbox-ose-kmod. As long as CURRENT revision is < r335873,
those kmod compile well.
- -- 
O. Hartmann

Ich widerspreche der Nutzung oder Übermittlung meiner Daten für
Werbezwecke oder für die Markt- oder Meinungsforschung (§ 28 Abs. 4 BDSG).
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