Re: ❌ FAIL: Test report for kernel 5.7.0-rc5-51f14e2.cki (arm-next)

From: Veronika Kabatova <vkabatov@redhat.com>
To: Will Deacon <will@kernel.org>, Jan Stancek <jstancek@redhat.com>,
	 Memory Management <mm-qe@redhat.com>
Cc: catalin marinas <catalin.marinas@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	CKI Project <cki-project@redhat.com>
Subject: Re: ❌ FAIL: Test report for kernel	5.7.0-rc5-51f14e2.cki (arm-next)
Date: Wed, 13 May 2020 06:19:43 -0400 (EDT)	[thread overview]
Message-ID: <1322199095.22739428.1589365183678.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <20200513060321.GA17433@willie-the-truck>

----- Original Message -----
> From: "Will Deacon" <will@kernel.org>
> To: "CKI Project" <cki-project@redhat.com>
> Cc: "catalin marinas" <catalin.marinas@arm.com>, "Memory Management" <mm-qe@redhat.com>, "Jan Stancek"
> <jstancek@redhat.com>, linux-arm-kernel@lists.infradead.org
> Sent: Wednesday, May 13, 2020 8:12:27 AM
> Subject: Re: ❌ FAIL: Test report for kernel	5.7.0-rc5-51f14e2.cki (arm-next)
> 
> Hi CKI folks,
> 
> On Wed, May 13, 2020 at 03:01:36AM -0000, CKI Project wrote:
> > We ran automated tests on a recent commit from this kernel tree:
> > 
> >        Kernel repo:
> >        https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
> >             Commit: 51f14e2c02e8 - Merge branch 'for-next/core' into
> >             for-kernelci
> > 
> > The results of these automated tests are provided below.
> > 
> >     Overall result: FAILED (see details below)
> >              Merge: OK
> >            Compile: OK
> >              Tests: FAILED
> > 
> > All kernel binaries, config files, and logs are available for download
> > here:
> > 
> >   https://cki-artifacts.s3.us-east-2.amazonaws.com/index.html?prefix=datawarehouse/2020/05/12/564910
> > 
> > One or more kernel tests failed:
> > 
> >     aarch64:
> >      ❌ LTP
> 
> [...]
> 
> >     Host 2:
> >        ✅ Boot test
> >        ✅ Podman system integration test - as root
> >        ✅ Podman system integration test - as user
> >        ❌ LTP
> 
> I'm struggling a bit with this one, please can you confirm that it's not
> an issue on your end? The failures are related to /dev/cpuset:
> 
>   mem.c:760: BROK: mount /dev/cpuset: EBUSY (16)
>   ...
>   safe_macros.c:172: BROK: mem.c:750: mkdir(/dev/cpuset,0777) failed: EEXIST
>   (17)
> 
>   https://cki-artifacts.s3.us-east-2.amazonaws.com/datawarehouse/2020/05/12/564910/LTP/aarch64_2_ltp_mm.fail.log
> 
> But we haven't been anywhere near that in the arm64 tree afaik.
> 

Hi,

I suspect this is an LTP bug:

https://github.com/linux-test-project/ltp/issues/611

The original issue wasn't manifesting with ksm02 test that failed
though.

@Jan or @Li, can you confirm whether this is the case and we should
disable these tests as well? We've found some hidden kernel bugs with
LTP and I can't see any recent similar upstream failures so I'm hesitant
to mark it as a test bug right away.

Thanks,
Veronika

> Cheers,
> 
> Will
> 
> 
> 

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