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SubjectRe: [PATCH 4.4 00/56] 4.4.98-stable review
On 15 November 2017 at 08:59, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
> On Tue, Nov 14, 2017 at 03:31:18PM -0600, Tom Gall wrote:
>>
>>
>> > On Nov 13, 2017, at 6:55 AM, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
>> >
>> > This is the start of the stable review cycle for the 4.4.98 release.
>> > There are 56 patches in this series, all will be posted as a response
>> > to this one. If anyone has any issues with these being applied, please
>> > let me know.
>> >
>> > Responses should be made by Wed Nov 15 12:55:32 UTC 2017.
>> > Anything received after that time might be too late.
>> >
>> > The whole patch series can be found in one patch at:
>> > kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.4.98-rc1.gz
>> > or in the git tree and branch at:
>> > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.4.y
>> > and the diffstat can be found below.
>> >
>> > thanks,
>> >
>> > greg k-h
>> >
>>
>> Results from Linaro’s test farm. One regression detected on x86. We’re doing some re-runs to see if it’s a solid failure or intermittent. It is however a testcase which hasn’t failed in the past. Also as per usual the HiKey results are reported separate because the platform support isn’t in tree.
>
> I thought I gave you enough \n in the past, did you use all of them up? :(
>
> Anyway, what is the new x86 failure?
>
> Is it this:
>
>> * ltp-syscalls-tests - skip: 164, fail: 4, pass: 957

It's
readahead02 0 TINFO : creating test file of size: 67108864
readahead02 0 TINFO : read_testfile(0)
readahead02 0 TINFO : read_testfile(1)
readahead02 0 TINFO : max ra estimate: 262144
readahead02 0 TINFO : readahead calls made: 256
readahead02 1 TPASS : offset is still at 0 as expected
readahead02 0 TINFO : read_testfile(0) took: 951656 usec
readahead02 0 TINFO : read_testfile(1) took: 921704 usec
readahead02 0 TINFO : read_testfile(0) read: 67108864 bytes
readahead02 0 TINFO : read_testfile(1) read: 51257344 bytes
readahead02 2 TPASS : readahead saved some I/O
readahead02 0 TINFO : cache can hold at least: 86180 kB
readahead02 0 TINFO : read_testfile(0) used cache: 65308 kB
readahead02 0 TINFO : read_testfile(1) used cache: 15332 kB
readahead02 0 TWARN : readahead02.c:351: using less cache than expected

Source of the test:
https://github.com/linux-test-project/ltp/blob/20170929/testcases/kernel/syscalls/readahead/readahead02.c#L351

It's the first time this test failed since we started running it. I'll
ask Naresh to look into it.

>
> If so, any pointers to the specific log messages, and which tests are
> failing? Digging through the web site isn't the easiest...
>
> And kselftests should have gotten less failures this time around, given
> that some of them were patched in this -rc, why didn't that number go
> down?

Do you mean the tests were patched or the kernel code that was
exercised? If it's the former, it won't have effect as we're using the
kselftests sources from 4.13

milosz

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