Re: [LSF/MM TOPIC] FS, MM, and stable trees

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On Thu, Feb 21, 2019 at 07:34:15AM -0800, Luis Chamberlain wrote:
> On Sat, Feb 16, 2019 at 01:28:35PM -0500, Theodore Y. Ts'o wrote:
> > The block/*, loop/* and scsi/* tests in blktests do seem to be in
> > pretty good shape.  The nvme, nvmeof, and srp tests are *definitely*
> > not as mature.
> 
> Can you say more about this later part. What would you like to see more
> of for nvme tests for instance?
> 
> It sounds like a productive session would include tracking our:
> 
>   a) sour spots
>   b) who's already working on these
>   c) gather volutneers for these sour spots

I complained on another LSF/MM topic thread, but there are a lot of
failures where it's not clear whether it's because I guessed
incorrectly about which version of nvme-cli I should be using (debian
stable and head of nvme-cli both are apparently wrong answers), or
kernel bugs or kernel misconfiguration issues on my side.

Current nvme/* failures that I'm still seeing are attached below.

	       		     	       - Ted

nvme/012 (run mkfs and data verification fio job on NVMeOF block device-backed ns) [failed]
    runtime  ...  100.265s
    something found in dmesg:
    [ 1857.188083] run blktests nvme/012 at 2019-02-12 01:11:33
    [ 1857.437322] nvmet: adding nsid 1 to subsystem blktests-subsystem-1
    [ 1857.456187] nvmet: creating controller 1 for subsystem blktests-subsystem-1 for NQN nqn.2014-08.org.nvmexpress:uuid:78dc695a-2c99-4841-968d-c2c16a49a02a.
    [ 1857.458162] nvme nvme0: ANA group 1: optimized.
    [ 1857.458257] nvme nvme0: creating 2 I/O queues.
    [ 1857.460893] nvme nvme0: new ctrl: "blktests-subsystem-1"
    
    [ 1857.720666] ============================================
    [ 1857.726308] WARNING: possible recursive locking detected
    [ 1857.731784] 5.0.0-rc3-xfstests-00014-g1236f7d60242 #843 Not tainted
    ...
    (See '/results/nodev/nvme/012.dmesg' for the entire message)
nvme/013 (run mkfs and data verification fio job on NVMeOF file-backed ns) [failed]
    runtime  ...  32.634s
    --- tests/nvme/013.out	2019-02-11 18:57:39.000000000 -0500
    +++ /results/nodev/nvme/013.out.bad	2019-02-12 01:13:46.708757206 -0500
    @@ -1,5 +1,9 @@
     Running nvme/013
     91fdba0d-f87b-4c25-b80f-db7be1418b9e
     uuid.91fdba0d-f87b-4c25-b80f-db7be1418b9e
    +fio: io_u error on file /mnt/blktests///verify.0.0: Input/output error: write offset=329326592, buflen=4096
    +fio: io_u error on file /mnt/blktests///verify.0.0: Input/output error: write offset=467435520, buflen=4096
    +fio exited with status 0
    +4;fio-3.2;verify;0;5;0;0;0;0;0;0;0.000000;0.000000;0;0;0.000000;0.000000;1.000000%=0;5.000000%=0;10.000000%=0;20.000000%=0;30.000000%=0;40.000000%=0;50.000000%=0;60.000000%=0;70.000000%=0;80.000000%=0;90.000000%=0;95.000000%=0;99.000000%=0;99.500000%=0;99.900000%=0;99.950000%=0;99.990000%=0;0%=0;0%=0;0%=0;0;0;0.000000;0.000000;0;0;0.000000%;0.000000;0.000000;192672;6182;1546;31166;4;9044;63.332763;57.979218;482;29948;10268.332290;1421.459893;1.000000%=4145;5.000000%=9109;10.000000%=9502;20.000000%=9764;30.000000%=10027;40.000000%=10289;50.000000%=10420;60.000000%=10551;70.000000%=10682;80.000000%=10682;90.000000%=10944;95.000000%=11206;99.000000%=13172;99.500000%=16318;99.900000%=24510;99.950000%=27394;99.990000%=29229;0%=0;0%=0;0%=0;507;30005;10331.973087;1421.131712;6040;8232;100.000000%;6189.741935;267.091495;0;0;0;0;0;0;0.000000;0.000000;0;0;0.000000;0.000000;1.000000%=0;5.000000%=0;10.000000%=0;20.000000%=0;30.000000%=0;40.000000%=0;50.000000%=0;60.000000%=0;70.000000%=0;80.000000%=0;90.000000%=0;95.000000%=0;99.000000%=0;99.500000%=0;99.900000%=0;99.950000%=0;99.990000%=0;0%=0;0%=0;0%=0;0;0;0.000000;0.000000;0;0;0.000000%;0.000000;0.000000;3.991657%;6.484839%;91142;0;1024;0.1%;0.1%;0.1%;0.1%;100.0%;0.0%;0.0%;0.00%;0.00%;0.00%;0.00%;0.00%;0.00%;0.00%;0.01%;0.20%;0.34%;0.25%;0.19%;27.86%;70.89%;0.23%;0.00%;0.00%;0.00%;0.00%;0.00%;0.00%;0.00%;nvme0n1;0;0;0;0;0;0;0;0.00%
    ...
    (Run 'diff -u tests/nvme/013.out /results/nodev/nvme/013.out.bad' to see the entire diff)
nvme/015 (unit test for NVMe flush for file backed ns)       [failed]
    runtime  ...  8.914s
    --- tests/nvme/015.out	2019-02-11 18:57:39.000000000 -0500
    +++ /results/nodev/nvme/015.out.bad	2019-02-12 01:14:05.429328259 -0500
    @@ -1,6 +1,6 @@
     Running nvme/015
     91fdba0d-f87b-4c25-b80f-db7be1418b9e
     uuid.91fdba0d-f87b-4c25-b80f-db7be1418b9e
    -NVMe Flush: success
    +NVME IO command error:INTERNAL: The command was not completed successfully due to an internal error(6006)
     NQN:blktests-subsystem-1 disconnected 1 controller(s)
     Test complete
nvme/016 (create/delete many NVMeOF block device-backed ns and test discovery)
    runtime  ...
nvme/016 (create/delete many NVMeOF block device-backed ns and test discovery) [failed]
    runtime  ...  23.576s
    --- tests/nvme/016.out	2019-02-11 18:57:39.000000000 -0500
    +++ /results/nodev/nvme/016.out.bad	2019-02-12 01:14:29.173378854 -0500
    @@ -1,11 +1,11 @@
     Running nvme/016
     
    -Discovery Log Number of Records 1, Generation counter 1
    +Discovery Log Number of Records 1, Generation counter 5
     =====Discovery Log Entry 0======
     trtype:  loop
     adrfam:  pci
    ...
    (Run 'diff -u tests/nvme/016.out /results/nodev/nvme/016.out.bad' to see the entire diff)
nvme/017 (create/delete many file-ns and test discovery)    
    runtime  ...
nvme/017 (create/delete many file-ns and test discovery)     [failed]
    runtime  ...  23.592s
    --- tests/nvme/017.out	2019-02-11 18:57:39.000000000 -0500
    +++ /results/nodev/nvme/017.out.bad	2019-02-12 01:14:52.880762691 -0500
    @@ -1,11 +1,11 @@
     Running nvme/017
     
    -Discovery Log Number of Records 1, Generation counter 1
    +Discovery Log Number of Records 1, Generation counter 2
     =====Discovery Log Entry 0======
     trtype:  loop
     adrfam:  pci
    ...
    (Run 'diff -u tests/nvme/017.out /results/nodev/nvme/017.out.bad' to see the entire diff)




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