Comment 72 for bug 1401788

(In reply to Mika Kuoppala from comment #69)
> The current igt to explore this bug is at:
> http://cgit.freedesktop.org/~miku/intel-gpu-tools/log/?h=79053
>
> Please test rendercoords with the new patch attached.
Firstly,I have tried to patch the [PATCH] sna/kgem: Gen8 blt broken when dest base offset has bit 4 set, but failed,it isn't a kernel patch ,right?
And then with the new igt patch attached,case can run,and shows as follows:

IGT-Version: 1.8-gaa63fc7 (x86_64) (Linux: 3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ x86_64)
Aperture size is 4096 MiB
Total RAM is 3795 MiB
Subtest input-checking: SUCCESS (0.000s)
Subtest usage-restrictions: SUCCESS (0.000s)
Subtest invalid-null-pointer: SUCCESS (0.000s)
Subtest invalid-gtt-mapping: SUCCESS (0.002s)
Subtest forked-access: SUCCESS (0.001s)
Subtest forbidden-operations: SUCCESS (0.000s)
Testing unsynchronized mappings...
Subtest create-destroy-unsync: SUCCESS (5.002s)
Subtest unsync-overlap: SUCCESS (0.000s)
Subtest unsync-unmap: SUCCESS (0.001s)
Subtest unsync-unmap-cycles: SUCCESS (1.744s)
Subtest unsync-unmap-after-close: SUCCESS (0.002s)
Using 2x2730 1MiB buffers
Verifying initialisation...
Cyclic blits cpu->gpu, forward...
Cyclic blits gpu->cpu, backward...
Random blits...
Subtest coherency-unsync: SUCCESS (445.795s)
Subtest dmabuf-unsync: SUCCESS (0.027s)
Subtest forked-unsync-normal: SUCCESS (0.402s)
Subtest forked-unsync-interruptible: SUCCESS (0.547s)
Subtest forked-unsync-swapping-normal: SUCCESS (0.475s)
Subtest forked-unsync-swapping-interruptible: SUCCESS (0.351s)
Subtest forked-unsync-multifd-normal: SUCCESS (0.366s)
Subtest forked-unsync-multifd-interruptible: SUCCESS (0.609s)
Subtest forked-unsync-swapping-multifd-normal: SUCCESS (0.412s)
Subtest forked-unsync-swapping-multifd-interruptible: SUCCESS (0.282s)
Subtest forked-unsync-mempressure-normal: SUCCESS (19.652s)
Subtest forked-unsync-mempressure-interruptible: SUCCESS (19.636s)
Subtest forked-unsync-swapping-mempressure-normal: SUCCESS (2.384s)
Subtest forked-unsync-swapping-mempressure-interruptible: SUCCESS (2.317s)
Subtest forked-unsync-multifd-mempressure-normal: SUCCESS (19.518s)
Subtest forked-unsync-multifd-mempressure-interruptible: SUCCESS (19.516s)
Subtest forked-unsync-swapping-multifd-mempressure-normal: SUCCESS (2.355s)
Subtest forked-unsync-swapping-multifd-mempressure-interruptible: SUCCESS (2.211s)
Subtest swapping-unsync-normal: SUCCESS (1792.547s)
Estimated that we need 4298117120 bytes for the test, but only have 3903848448 bytes available (RAM)
Test requirement not met in function minor_evictions, file eviction_common.c:80:
Test requirement: intel_check_memory(total_surfaces, surface_size, CHECK_RAM)
Subtest minor-unsync-normal: SKIP (0.284s)
Estimated that we need 4613746688 bytes for the test, but only have 3903848448 bytes available (RAM)
Test requirement not met in function major_evictions, file eviction_common.c:115:
Test requirement: intel_check_memory(nr_surfaces, surface_size, CHECK_RAM)
Subtest major-unsync-normal: SKIP (0.001s)