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xen-devel
[Xen-devel] [xen-4.0-testing test] 8852: regressions - FAIL
flight 8852 xen-4.0-testing real [real]
http://www.chiark.greenend.org.uk/~xensrcts/logs/8852/
Regressions :-(
Tests which did not succeed and are blocking:
test-amd64-i386-xl-win-vcpus1 5 xen-boot fail REGR. vs. 8801
Tests which did not succeed, but are not blocking,
including regressions (tests previously passed) regarded as allowable:
test-amd64-amd64-xl-pcipt-intel 8 debian-fixup fail never pass
test-i386-i386-xl 15 guest-stop fail never pass
test-amd64-i386-xl-multivcpu 15 guest-stop fail never pass
test-amd64-amd64-xl 15 guest-stop fail never pass
test-amd64-i386-xl 15 guest-stop fail never pass
test-amd64-i386-xl-credit2 15 guest-stop fail never pass
test-amd64-amd64-xl-sedf 5 xen-boot fail like 8788
test-amd64-i386-rhel6hvm-intel 7 redhat-install fail never pass
test-amd64-i386-rhel6hvm-amd 7 redhat-install fail never pass
test-amd64-i386-win-vcpus1 16 leak-check/check fail never pass
test-amd64-i386-win 16 leak-check/check fail never pass
test-amd64-amd64-win 16 leak-check/check fail never pass
test-i386-i386-win 16 leak-check/check fail never pass
test-amd64-amd64-xl-win 7 windows-install fail never pass
test-i386-i386-xl-win 7 windows-install fail never pass
version targeted for testing:
xen b44346a6975c
baseline version:
xen 0383662ea34c
------------------------------------------------------------
People who touched revisions under test:
Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
------------------------------------------------------------
jobs:
build-amd64 pass
build-i386 pass
build-amd64-oldkern pass
build-i386-oldkern pass
build-amd64-pvops pass
build-i386-pvops pass
test-amd64-amd64-xl fail
test-amd64-i386-xl fail
test-i386-i386-xl fail
test-amd64-i386-rhel6hvm-amd fail
test-amd64-i386-xl-credit2 fail
test-amd64-amd64-xl-pcipt-intel fail
test-amd64-i386-rhel6hvm-intel fail
test-amd64-i386-xl-multivcpu fail
test-amd64-amd64-pair pass
test-amd64-i386-pair pass
test-i386-i386-pair pass
test-amd64-amd64-pv pass
test-amd64-i386-pv pass
test-i386-i386-pv pass
test-amd64-amd64-xl-sedf fail
test-amd64-i386-win-vcpus1 fail
test-amd64-i386-xl-win-vcpus1 fail
test-amd64-amd64-win fail
test-amd64-i386-win fail
test-i386-i386-win fail
test-amd64-amd64-xl-win fail
test-i386-i386-xl-win fail
------------------------------------------------------------
sg-report-flight on woking.cam.xci-test.com
logs: /home/xc_osstest/logs
images: /home/xc_osstest/images
Logs, config files, etc. are available at
http://www.chiark.greenend.org.uk/~xensrcts/logs
Test harness code can be found at
http://xenbits.xensource.com/gitweb?p=osstest.git;a=summary
Not pushing.
------------------------------------------------------------
changeset: 21533:b44346a6975c
tag: tip
user: Keir Fraser <keir@xxxxxxx>
date: Wed Sep 07 10:41:49 2011 +0100
Added signature for changeset 8d012bc20d30
changeset: 21532:b7b51fd533d3
user: Keir Fraser <keir@xxxxxxx>
date: Wed Sep 07 10:41:41 2011 +0100
Added tag 4.0.3-rc2 for changeset 8d012bc20d30
changeset: 21531:8d012bc20d30
tag: 4.0.3-rc2
user: Keir Fraser <keir@xxxxxxx>
date: Wed Sep 07 10:41:35 2011 +0100
Update Xen version to 4.0.3-rc2
changeset: 21530:0383662ea34c
user: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
date: Wed Aug 31 15:37:57 2011 +0100
IRQ: manually EOI migrating line interrupts
When migrating IO-APIC line level interrupts between PCPUs, the
migration code rewrites the IO-APIC entry to point to the new
CPU/Vector before EOI'ing it.
The EOI process says that EOI'ing the Local APIC will cause a
broadcast with the vector number, which the IO-APIC must listen to to
clear the IRR and Status bits.
In the case of migrating, the IO-APIC has already been
reprogrammed so the EOI broadcast with the old vector fails to match
the new vector, leaving the IO-APIC with an outstanding vector,
preventing any more use of that line interrupt. This causes a lockup
especially when your root device is using PCI INTA (megaraid_sas
driver *ehem*)
However, the problem is mostly hidden because send_cleanup_vector()
causes a cleanup of all moving vectors on the current PCPU in such a
way which does not cause the problem, and if the problem has occured,
the writes it makes to the IO-APIC clears the IRR and Status bits
which unlocks the problem.
This fix is distinctly a temporary hack, waiting on a cleanup of the
irq code. It checks for the edge case where we have moved the irq,
and manually EOI's the old vector with the IO-APIC which correctly
clears the IRR and Status bits. Also, it protects the code which
updates irq_cfg by disabling interrupts.
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
xen-unstable changeset: 23805:7048810180de
xen-unstable date: Wed Aug 31 15:19:24 2011 +0100
(qemu changes not included)
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