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Re: [Xen-devel] [xen-unstable test] 122968: regressions - FAIL


  • To: Wei Liu <wei.liu2@xxxxxxxxxx>
  • From: Juergen Gross <jgross@xxxxxxxx>
  • Date: Tue, 22 May 2018 14:34:37 +0200
  • Autocrypt: addr=jgross@xxxxxxxx; prefer-encrypt=mutual; keydata= xsBNBFOMcBYBCACgGjqjoGvbEouQZw/ToiBg9W98AlM2QHV+iNHsEs7kxWhKMjrioyspZKOB ycWxw3ie3j9uvg9EOB3aN4xiTv4qbnGiTr3oJhkB1gsb6ToJQZ8uxGq2kaV2KL9650I1SJve dYm8Of8Zd621lSmoKOwlNClALZNew72NjJLEzTalU1OdT7/i1TXkH09XSSI8mEQ/ouNcMvIJ NwQpd369y9bfIhWUiVXEK7MlRgUG6MvIj6Y3Am/BBLUVbDa4+gmzDC9ezlZkTZG2t14zWPvx XP3FAp2pkW0xqG7/377qptDmrk42GlSKN4z76ELnLxussxc7I2hx18NUcbP8+uty4bMxABEB AAHNHkp1ZXJnZW4gR3Jvc3MgPGpncm9zc0BzdXNlLmRlPsLAeQQTAQIAIwUCU4xw6wIbAwcL CQgHAwIBBhUIAgkKCwQWAgMBAh4BAheAAAoJELDendYovxMvi4UH/Ri+OXlObzqMANruTd4N zmVBAZgx1VW6jLc8JZjQuJPSsd/a+bNr3BZeLV6lu4Pf1Yl2Log129EX1KWYiFFvPbIiq5M5 kOXTO8Eas4CaScCvAZ9jCMQCgK3pFqYgirwTgfwnPtxFxO/F3ZcS8jovza5khkSKL9JGq8Nk czDTruQ/oy0WUHdUr9uwEfiD9yPFOGqp4S6cISuzBMvaAiC5YGdUGXuPZKXLpnGSjkZswUzY d9BVSitRL5ldsQCg6GhDoEAeIhUC4SQnT9SOWkoDOSFRXZ+7+WIBGLiWMd+yKDdRG5RyP/8f 3tgGiB6cyuYfPDRGsELGjUaTUq3H2xZgIPfOwE0EU4xwFgEIAMsx+gDjgzAY4H1hPVXgoLK8 B93sTQFN9oC6tsb46VpxyLPfJ3T1A6Z6MVkLoCejKTJ3K9MUsBZhxIJ0hIyvzwI6aYJsnOew cCiCN7FeKJ/oA1RSUemPGUcIJwQuZlTOiY0OcQ5PFkV5YxMUX1F/aTYXROXgTmSaw0aC1Jpo w7Ss1mg4SIP/tR88/d1+HwkJDVW1RSxC1PWzGizwRv8eauImGdpNnseneO2BNWRXTJumAWDD pYxpGSsGHXuZXTPZqOOZpsHtInFyi5KRHSFyk2Xigzvh3b9WqhbgHHHE4PUVw0I5sIQt8hJq 5nH5dPqz4ITtCL9zjiJsExHuHKN3NZsAEQEAAcLAXwQYAQIACQUCU4xwFgIbDAAKCRCw3p3W KL8TL0P4B/9YWver5uD/y/m0KScK2f3Z3mXJhME23vGBbMNlfwbr+meDMrJZ950CuWWnQ+d+ Ahe0w1X7e3wuLVODzjcReQ/v7b4JD3wwHxe+88tgB9byc0NXzlPJWBaWV01yB2/uefVKryAf AHYEd0gCRhx7eESgNBe3+YqWAQawunMlycsqKa09dBDL1PFRosF708ic9346GLHRc6Vj5SRA UTHnQqLetIOXZm3a2eQ1gpQK9MmruO86Vo93p39bS1mqnLLspVrL4rhoyhsOyh0Hd28QCzpJ wKeHTd0MAWAirmewHXWPco8p1Wg+V+5xfZzuQY0f4tQxvOpXpt4gQ1817GQ5/Ed/wsDtBBgB CAAgFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAlrd8NACGwIAgQkQsN6d1ii/Ey92IAQZFggA HRYhBFMtsHpB9jjzHji4HoBcYbtP2GO+BQJa3fDQAAoJEIBcYbtP2GO+TYsA/30H/0V6cr/W V+J/FCayg6uNtm3MJLo4rE+o4sdpjjsGAQCooqffpgA+luTT13YZNV62hAnCLKXH9n3+ZAgJ RtAyDWk1B/0SMDVs1wxufMkKC3Q/1D3BYIvBlrTVKdBYXPxngcRoqV2J77lscEvkLNUGsu/z W2pf7+P3mWWlrPMJdlbax00vevyBeqtqNKjHstHatgMZ2W0CFC4hJ3YEetuRBURYPiGzuJXU pAd7a7BdsqWC4o+GTm5tnGrCyD+4gfDSpkOT53S/GNO07YkPkm/8J4OBoFfgSaCnQ1izwgJQ jIpcG2fPCI2/hxf2oqXPYbKr1v4Z1wthmoyUgGN0LPTIm+B5vdY82wI5qe9uN6UOGyTH2B3p hRQUWqCwu2sqkI3LLbTdrnyDZaixT2T0f4tyF5Lfs+Ha8xVMhIyzNb1byDI5FKCb
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 22 May 2018 12:34:47 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Openpgp: preference=signencrypt

On 22/05/18 12:28, Wei Liu wrote:
> On Tue, May 22, 2018 at 07:20:32AM +0200, Juergen Gross wrote:
>> On 22/05/18 01:59, osstest service owner wrote:
>>> flight 122968 xen-unstable real [real]
>>> http://logs.test-lab.xenproject.org/osstest/logs/122968/
>>>
>>> Regressions :-(
>>>
>>> Tests which did not succeed and are blocking,
>>> including tests which could not be run:
>>>  test-amd64-amd64-xl-qemut-stubdom-debianhvm-amd64-xsm 16 
>>> guest-localmigrate/x10 fail REGR. vs. 122804
>>
>> This seems to be a kernel issue:
>>
>> [  349.264490] Freezing user space processes ... (elapsed 0.004 seconds)
>> done.
>> [  349.277385] Freezing remaining freezable tasks ...
>> [  369.285006] Freezing of tasks failed after 20.002 seconds (1 tasks
>> refusing to freeze, wq_busy=0):
>> [  369.293150] jbd2/xvda5-8    D 0000000000000000     0   115      2
>> 0x00000000
>> [  369.299858]  ffff8800001fd590 0000000000000046 0000000000013200
>> ffff88002ea3ffd8
>> [  369.307084]  0000000000013200 ffff8800001fd590 ffff88002f813ab0
>> ffff88002fbd7140
>> [  369.314260]  0000000000000002 ffffffff811df230 ffff88002ea3fc80
>> ffff880029f64398
>> [  369.321462] Call Trace:
>> [  369.323726]  [<ffffffff811df230>] ? generic_block_bmap+0x50/0x50
>> [  369.329144]  [<ffffffff815217e9>] ? io_schedule+0x99/0x120
>> [  369.334118]  [<ffffffff811df23a>] ? sleep_on_buffer+0xa/0x10
>> [  369.339259]  [<ffffffff81521b6c>] ? __wait_on_bit+0x5c/0x90
>> [  369.344304]  [<ffffffff811df230>] ? generic_block_bmap+0x50/0x50
>> [  369.349782]  [<ffffffff81521c17>] ? out_of_line_wait_on_bit+0x77/0x90
>> [  369.355718]  [<ffffffff810abc90>] ? autoremove_wake_function+0x30/0x30
>> [  369.361624]  [<ffffffffa01605aa>] ?
>> jbd2_journal_commit_transaction+0x182a/0x1a30 [jbd2]
>> [  369.368948]  [<ffffffffa0163e42>] ? kjournald2+0xb2/0x240 [jbd2]
>> [  369.374387]  [<ffffffff810abc60>] ? prepare_to_wait_event+0xf0/0xf0
>> [  369.380082]  [<ffffffffa0163d90>] ? commit_timeout+0x10/0x10 [jbd2]
>> [  369.385805]  [<ffffffff8108b13d>] ? kthread+0xbd/0xe0
>> [  369.390470]  [<ffffffff8108b080>] ? kthread_create_on_node+0x180/0x180
>> [  369.396412]  [<ffffffff81524c58>] ? ret_from_fork+0x58/0x90
>> [  369.401489]  [<ffffffff8108b080>] ? kthread_create_on_node+0x180/0x180
>> [  369.407450]
>> [  369.408916] Restarting kernel threads ... done.
>> [  369.413308] xen:manage: do_suspend: freeze kernel threads failed -16
>> [  369.420958] Restarting tasks ... done.
>>
>> Which kernel version is that?
> 
> Debian Jessie's stock kernel: 3.16.x

Hmm, you seem to have hit this problem before:

https://lists.xen.org/archives/html/xen-devel/2017-10/msg02235.html

Back then you blamed the rather new 4.9 kernel...


Juergen

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