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[Xen-devel] [xen-unstable-smoke test] 148436: regressions - FAIL

flight 148436 xen-unstable-smoke real [real]

Regressions :-(

Tests which did not succeed and are blocking,
including tests which could not be run:
 test-amd64-amd64-xl-qemuu-debianhvm-amd64 18 guest-start/debianhvm.repeat fail 
REGR. vs. 148408

Tests which did not succeed, but are not blocking:
 test-amd64-amd64-libvirt     18 guest-start/debian.repeat    fail  like 148393
 test-amd64-amd64-libvirt     13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-xsm      13 migrate-support-check        fail   never pass
 test-arm64-arm64-xl-xsm      14 saverestore-support-check    fail   never pass
 test-armhf-armhf-xl          13 migrate-support-check        fail   never pass
 test-armhf-armhf-xl          14 saverestore-support-check    fail   never pass

version targeted for testing:
 xen                  a9b6dacf88fe99fbb69a2ee505833851ffdc9cec
baseline version:
 xen                  e19d3a942e4b6f6c5b19287a4a6f5020bdab2936

Last test of basis   148408  2020-03-11 03:01:39 Z    0 days
Testing same since   148436  2020-03-11 13:00:35 Z    0 days    1 attempts

People who touched revisions under test:
  Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  Juergen Gross <jgross@xxxxxxxx>

 build-arm64-xsm                                              pass    
 build-amd64                                                  pass    
 build-armhf                                                  pass    
 build-amd64-libvirt                                          pass    
 test-armhf-armhf-xl                                          pass    
 test-arm64-arm64-xl-xsm                                      pass    
 test-amd64-amd64-xl-qemuu-debianhvm-amd64                    fail    
 test-amd64-amd64-libvirt                                     fail    

sg-report-flight on osstest.test-lab.xenproject.org
logs: /home/logs/logs
images: /home/logs/images

Logs, config files, etc. are available at

Explanation of these reports, and of osstest in general, is at

Test harness code can be found at

Not pushing.

commit a9b6dacf88fe99fbb69a2ee505833851ffdc9cec
Author: Juergen Gross <jgross@xxxxxxxx>
Date:   Wed Mar 11 13:18:49 2020 +0100

    rcu: fix rcu_lock_domain()
    rcu_lock_domain() misuses the domain structure as rcu lock, which is
    working only as long as rcu_read_lock() isn't evaluating the lock.
    Fix that by adding a rcu lock to struct domain and use that for
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

commit 53ddfc80a84a6e4b46531ada092f66839661ee8a
Author: Juergen Gross <jgross@xxxxxxxx>
Date:   Wed Mar 11 13:17:41 2020 +0100

    rcu: use rcu softirq for forcing quiescent state
    As rcu callbacks are processed in __do_softirq() there is no need to
    use the scheduling softirq for forcing quiescent state. Any other
    softirq would do the job and the scheduling one is the most expensive.
    So use the already existing rcu softirq for that purpose. For telling
    apart why the rcu softirq was raised add a flag for the current usage.
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
(qemu changes not included)

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