>>> On 02.12.10 at 10:04, xen.org <ian.jackson@xxxxxxxxxxxxx> wrote:
> branch xen-unstable
> xen branch xen-unstable
> job build-i386
> test xen-build
>
> Tree: http://hg.uk.xensource.com/xen-unstable.hg
>
> *** Found and reproduced problem changeset ***
>
> Bug is in tree: http://hg.uk.xensource.com/xen-unstable.hg
> Bug introduced: 62bf12040b0f
> Bug not present: 8420b82c22c2
>
>
> changeset: 22452:62bf12040b0f
> user: Keir Fraser <keir@xxxxxxx>
> date: Wed Dec 01 20:10:27 2010 +0000
>
> x86: fix IRQ migration when using directed EOI (broken with c/s 20465)
>
> In directed-EOI mode, there is no chance to do the migration in
> mask_and_ack_level_ioapic_irq(), as the remote IRR bit can't possibly
> be clear after issuing the EOI to the LAPIC. Consequently, there's no
> point to even try. Instead, migration must be done in
> end_level_ioapic_irq(), and it requires masking the interrupt source
> prior to issuing the EOI to the IO-APIC.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
Am I right in understanding that this and the other bisection results
(all pointing to this same c/s) are false positives again (they all have
a "Connection timed out" error somewhere in the middle)?
Jan
> For bisection revision-tuple graph see:
>
> http://www.chiark.greenend.org.uk/~xensrcts/results/bisect.xen-unstable.buil
> d-i386.xen-build.html
> Revision IDs in each graph node refer, respectively, to the Trees above.
>
> ----------------------------------------
> Found failure, as expected, in flight 2943
> Host specification list: host=gall-mite
> Searching for basis pass: 2856.
> (tree in basispass but not in latest:
> git://mariner.uk.xensource.com/qemu-xen-unstable.git)
> Tree: http://hg.uk.xensource.com/xen-unstable.hg
> Latest c443d0215854
> Basis pass aba70e59a90d
> Generating revisions with ./adhoc-revtuple-generator
> http://hg.uk.xensource.com/xen-unstable.hg#aba70e59a90d-c443d0215854
> pulling from http://hg.uk.xensource.com/xen-unstable.hg
> searching for changes
> no changes found
> pulling from http://hg.uk.xensource.com/xen-unstable.hg
> searching for changes
> no changes found
> Loaded 1001 nodes in revision graph
> Searching for test results:
> 2852 pass aba70e59a90d
> 2853 pass aba70e59a90d
> 2869 pass d281061e6ec0
> 2885 pass 8420b82c22c2
> 2930 fail c443d0215854
> 2895 pass 8420b82c22c2
> 2854 pass aba70e59a90d
> 2940 fail c443d0215854
> 2855 pass aba70e59a90d
> 2943 fail c443d0215854
> 2849 pass aba70e59a90d
> 2856 pass aba70e59a90d
> 2888 pass 8420b82c22c2
> 2952 fail ddb6c9c6ebb9
> 2953 fail 62bf12040b0f
> 2926 fail c443d0215854
> 2954 fail 62bf12040b0f
> 2850 pass irrelevant
> 2861 pass 3afb5ecbf69f
> Searching for interesting versions
> 0 revisions at 8420b82c22c2
> No revisions left to test, checking graph state.
>
> *** Found and reproduced problem changeset ***
>
> Bug is in tree: http://hg.uk.xensource.com/xen-unstable.hg
> Bug introduced: 62bf12040b0f
> Bug not present: 8420b82c22c2
>
>
> changeset: 22452:62bf12040b0f
> user: Keir Fraser <keir@xxxxxxx>
> date: Wed Dec 01 20:10:27 2010 +0000
>
> x86: fix IRQ migration when using directed EOI (broken with c/s 20465)
>
> In directed-EOI mode, there is no chance to do the migration in
> mask_and_ack_level_ioapic_irq(), as the remote IRR bit can't possibly
> be clear after issuing the EOI to the LAPIC. Consequently, there's no
> point to even try. Instead, migration must be done in
> end_level_ioapic_irq(), and it requires masking the interrupt source
> prior to issuing the EOI to the IO-APIC.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
>
> Revision graph left in
> /home/xc_osstest/results/bisect.xen-unstable.build-i386.xen-build.{dot,ps,pn
> g,html}.
> ----------------------------------------
> 2954: ALL FAIL
>
> flight 2954 xen-unstable real-bisect [real]
> http://www.chiark.greenend.org.uk/~xensrcts/logs/2954/
>
> tests which did not succeed:
> build-i386 4 xen-build fail
>
> version targeted for testing:
> baseline version:
>
> jobs:
> build-i386 fail
>
> -------------------------------------------------------------------------------
> build-i386:
> 1 hosts-allocate pass
> 2 host-install(2) pass
> 3 host-build-prep pass
> 4 xen-build fail
> xen 22452:62bf12040b0f
>
> ------------------------------------------------------------
> 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
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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