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Date:      Tue, 3 Jul 2018 20:28:23 +0200
From:      Niclas Zeising <zeising+freebsd@daemonic.se>
To:        "O. Hartmann" <ohartmann@walstatt.org>, FreeBSD Current <freebsd-current@FreeBSD.org>
Subject:   Re: atomic changes break drm-next-kmod?
Message-ID:  <cbd2d2f2-8ce4-871a-9aaf-75738d6c465b@daemonic.se>
In-Reply-To: <20180703170223.266dbf5b@thor.intern.walstatt.dynvpn.de>
References:  <c640afcd-1fa4-a43e-5f36-f0bd11aad63d@protected-networks.net> <20180703170223.266dbf5b@thor.intern.walstatt.dynvpn.de>

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On 07/03/18 17:02, O. Hartmann wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
> 
> Am Tue, 3 Jul 2018 10:19:57 -0400
> Michael Butler <imb@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.

We are looking into why both the drm ports fail.
Regards
-- 
Niclas




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