From: Jason Gunthorpe <jgg@ziepe.ca>
To: Muhammad Usama Anjum <usama.anjum@collabora.com>,
Joao Martins <joao.m.martins@oracle.com>,
Nicolin Chen <nicolinc@nvidia.com>
Cc: kernel@collabora.com, iommu@lists.linux.dev,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
Kevin Tian <kevin.tian@intel.com>, Shuah Khan <shuah@kernel.org>
Subject: Re: [PATCH] selftests: iommu: add config needed for iommufd_fail_nth
Date: Wed, 27 Mar 2024 08:49:58 -0300 [thread overview]
Message-ID: <20240327114958.GG8419@ziepe.ca> (raw)
In-Reply-To: <56cc8b9e-c1cf-4520-ba45-b1237e8b7b64@collabora.com>
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_hugepages
> After 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
next prev parent reply other threads:[~2024-03-27 11:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-25 9:00 [PATCH] selftests: iommu: add config needed for iommufd_fail_nth Muhammad Usama Anjum
2024-03-25 9:11 ` Muhammad Usama Anjum
2024-04-05 0:10 ` Jason Gunthorpe
2024-04-14 14:39 ` Muhammad Usama Anjum
2024-04-15 16:09 ` Jason Gunthorpe
2024-03-26 13:09 ` Muhammad Usama Anjum
2024-03-26 15:03 ` Jason Gunthorpe
2024-03-27 10:14 ` Muhammad Usama Anjum
2024-03-27 11:49 ` Jason Gunthorpe [this message]
2024-03-27 14:59 ` Joao Martins
2024-03-27 17:49 ` Muhammad Usama Anjum
2024-03-27 18:09 ` Joao Martins
2024-03-27 18:17 ` Muhammad Usama Anjum
2024-03-27 18:33 ` Joao Martins
2024-03-27 18:20 ` Jason Gunthorpe
2024-03-27 18:34 ` Joao Martins
2024-03-27 20:13 ` Muhammad Usama Anjum
2024-04-04 11:48 ` Muhammad Usama Anjum
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