On Wed, Mar 27, 2024 at 03:14:25PM +0500, Muhammad Usama Anjum wrote:
On 3/26/24 8:03 PM, Jason Gunthorpe wrote:
On Tue, Mar 26, 2024 at 06:09:34PM +0500, Muhammad Usama Anjum wrote:
Even after applying this config patch and following snippet (which doesn't terminate the program if mmap doesn't allocate exactly as the hint), I'm finding failed tests.
@@ -1746,7 +1748,7 @@ FIXTURE_SETUP(iommufd_dirty_tracking) assert((uintptr_t)self->buffer % HUGEPAGE_SIZE == 0); vrc = mmap(self->buffer, variant->buffer_size, PROT_READ | PROT_WRITE, mmap_flags, -1, 0);
assert(vrc == self->buffer);
assert(vrc == self->buffer);// ???On x86: # Totals: pass:176 fail:4 xfail:0 xpass:0 skip:0 error:0 On ARM64: # Totals: pass:166 fail:14 xfail:0 xpass:0 skip:0 error:0
The log files are attached.
You probably don't have enough transparent huge pages available to the process
echo 1024 > /proc/sys/vm/nr_hugepagesAfter making huge pages available, the iommufd test always passed on x86. But there are still failures on arm64. I'm looking into the failures.
Oh that is really strange. Joao? Nicolin?
# RUN iommufd_dirty_tracking.domain_dirty128k.get_dirty_bitmap ... # iommufd_utils.h:374:get_dirty_bitmap:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty128k.get_dirty_bitmap not ok 139 iommufd_dirty_tracking.domain_dirty128k.get_dirty_bitmap
# RUN iommufd_dirty_tracking.domain_dirty128k.get_dirty_bitmap_no_clear ... # iommufd_utils.h:374:get_dirty_bitmap_no_clear:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap_no_clear: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty128k.get_dirty_bitmap_no_clear not ok 140 iommufd_dirty_tracking.domain_dirty128k.get_dirty_bitmap_no_clear
# RUN iommufd_dirty_tracking.domain_dirty256k.get_dirty_bitmap ... # iommufd_utils.h:374:get_dirty_bitmap:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty256k.get_dirty_bitmap not ok 144 iommufd_dirty_tracking.domain_dirty256k.get_dirty_bitmap
# RUN iommufd_dirty_tracking.domain_dirty256k.get_dirty_bitmap_no_clear ... # iommufd_utils.h:374:get_dirty_bitmap_no_clear:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap_no_clear: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty256k.get_dirty_bitmap_no_clear not ok 145 iommufd_dirty_tracking.domain_dirty256k.get_dirty_bitmap_no_clear
# RUN iommufd_dirty_tracking.domain_dirty640k.get_dirty_bitmap ... # iommufd_utils.h:374:get_dirty_bitmap:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty640k.get_dirty_bitmap not ok 149 iommufd_dirty_tracking.domain_dirty640k.get_dirty_bitmap
# RUN iommufd_dirty_tracking.domain_dirty640k.get_dirty_bitmap_no_clear ... # iommufd_utils.h:374:get_dirty_bitmap_no_clear:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap_no_clear: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty640k.get_dirty_bitmap_no_clear not ok 150 iommufd_dirty_tracking.domain_dirty640k.get_dirty_bitmap_no_clear
# RUN iommufd_dirty_tracking.domain_dirty128M_huge.get_dirty_bitmap ... # iommufd_utils.h:374:get_dirty_bitmap:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty128M_huge.get_dirty_bitmap not ok 159 iommufd_dirty_tracking.domain_dirty128M_huge.get_dirty_bitmap
# RUN iommufd_dirty_tracking.domain_dirty128M_huge.get_dirty_bitmap_no_clear ... # iommufd_utils.h:374:get_dirty_bitmap_no_clear:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap_no_clear: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty128M_huge.get_dirty_bitmap_no_clear not ok 160 iommufd_dirty_tracking.domain_dirty128M_huge.get_dirty_bitmap_no_clear
# RUN iommufd_dirty_tracking.domain_dirty256M.get_dirty_bitmap ... # iommufd_utils.h:374:get_dirty_bitmap:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty256M.get_dirty_bitmap not ok 164 iommufd_dirty_tracking.domain_dirty256M.get_dirty_bitmap
# RUN iommufd_dirty_tracking.domain_dirty256M.get_dirty_bitmap_no_clear ... # iommufd_utils.h:374:get_dirty_bitmap_no_clear:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap_no_clear: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty256M.get_dirty_bitmap_no_clear not ok 165 iommufd_dirty_tracking.domain_dirty256M.get_dirty_bitmap_no_clear
# RUN iommufd_dirty_tracking.domain_dirty256M_huge.get_dirty_bitmap ... # iommufd_utils.h:374:get_dirty_bitmap:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty256M_huge.get_dirty_bitmap not ok 169 iommufd_dirty_tracking.domain_dirty256M_huge.get_dirty_bitmap
# RUN iommufd_dirty_tracking.domain_dirty256M_huge.get_dirty_bitmap_no_clear ... # iommufd_utils.h:374:get_dirty_bitmap_no_clear:Expected j < npte (1) == test_bit(i + j, (unsigned long *)bitmap) (0) # get_dirty_bitmap_no_clear: Test terminated by assertion # FAIL iommufd_dirty_tracking.domain_dirty256M_huge.get_dirty_bitmap_no_clear not ok 170 iommufd_dirty_tracking.domain_dirty256M_huge.get_dirty_bitmap_no_clear