Re: [Xen-devel] [xen-unstable bisection] complete build-i386

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> 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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